Changeset - e50e6384c529
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0 6 0
Mads Kiilerich - 11 years ago 2014-07-18 19:22:01
madski@unity3d.com
compare: handle revset revision errors more gracefully
6 files changed with 70 insertions and 50 deletions:
0 comments (0 inline, 0 general)
kallithea/controllers/changeset.py
Show inline comments
 
@@ -22,387 +22,384 @@ This file was forked by the Kallithea pr
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Apr 25, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import logging
 
import traceback
 
from collections import defaultdict
 
from webob.exc import HTTPForbidden, HTTPBadRequest, HTTPNotFound
 

	
 
from pylons import tmpl_context as c, url, request, response
 
from pylons.i18n.translation import _
 
from pylons.controllers.util import redirect
 
from kallithea.lib.utils import jsonify
 

	
 
from kallithea.lib.vcs.exceptions import RepositoryError, \
 
    ChangesetDoesNotExistError
 

	
 
from kallithea.lib.compat import json
 
import kallithea.lib.helpers as h
 
from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator,\
 
    NotAnonymous
 
from kallithea.lib.base import BaseRepoController, render
 
from kallithea.lib.utils import action_logger
 
from kallithea.lib.compat import OrderedDict
 
from kallithea.lib import diffs
 
from kallithea.model.db import ChangesetComment, ChangesetStatus
 
from kallithea.model.comment import ChangesetCommentsModel
 
from kallithea.model.changeset_status import ChangesetStatusModel
 
from kallithea.model.meta import Session
 
from kallithea.model.repo import RepoModel
 
from kallithea.lib.diffs import LimitedDiffContainer
 
from kallithea.lib.exceptions import StatusChangeOnClosedPullRequestError
 
from kallithea.lib.vcs.backends.base import EmptyChangeset
 
from kallithea.lib.utils2 import safe_unicode, safe_str
 
from kallithea.lib.graphmod import graph_data
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
def _update_with_GET(params, GET):
 
    for k in ['diff1', 'diff2', 'diff']:
 
        params[k] += GET.getall(k)
 

	
 

	
 
def anchor_url(revision, path, GET):
 
    fid = h.FID(revision, path)
 
    return h.url.current(anchor=fid, **dict(GET))
 

	
 

	
 
def get_ignore_ws(fid, GET):
 
    ig_ws_global = GET.get('ignorews')
 
    ig_ws = filter(lambda k: k.startswith('WS'), GET.getall(fid))
 
    if ig_ws:
 
        try:
 
            return int(ig_ws[0].split(':')[-1])
 
        except Exception:
 
            pass
 
    return ig_ws_global
 

	
 

	
 
def _ignorews_url(GET, fileid=None):
 
    fileid = str(fileid) if fileid else None
 
    params = defaultdict(list)
 
    _update_with_GET(params, GET)
 
    lbl = _('Show white space')
 
    ig_ws = get_ignore_ws(fileid, GET)
 
    ln_ctx = get_line_ctx(fileid, GET)
 
    # global option
 
    if fileid is None:
 
        if ig_ws is None:
 
            params['ignorews'] += [1]
 
            lbl = _('Ignore white space')
 
        ctx_key = 'context'
 
        ctx_val = ln_ctx
 
    # per file options
 
    else:
 
        if ig_ws is None:
 
            params[fileid] += ['WS:1']
 
            lbl = _('Ignore white space')
 

	
 
        ctx_key = fileid
 
        ctx_val = 'C:%s' % ln_ctx
 
    # if we have passed in ln_ctx pass it along to our params
 
    if ln_ctx:
 
        params[ctx_key] += [ctx_val]
 

	
 
    params['anchor'] = fileid
 
    img = h.image(h.url('/images/icons/text_strikethrough.png'), lbl, class_='icon')
 
    return h.link_to(img, h.url.current(**params), title=lbl, class_='tooltip')
 

	
 

	
 
def get_line_ctx(fid, GET):
 
    ln_ctx_global = GET.get('context')
 
    if fid:
 
        ln_ctx = filter(lambda k: k.startswith('C'), GET.getall(fid))
 
    else:
 
        _ln_ctx = filter(lambda k: k.startswith('C'), GET)
 
        ln_ctx = GET.get(_ln_ctx[0]) if _ln_ctx  else ln_ctx_global
 
        if ln_ctx:
 
            ln_ctx = [ln_ctx]
 

	
 
    if ln_ctx:
 
        retval = ln_ctx[0].split(':')[-1]
 
    else:
 
        retval = ln_ctx_global
 

	
 
    try:
 
        return int(retval)
 
    except Exception:
 
        return 3
 

	
 

	
 
def _context_url(GET, fileid=None):
 
    """
 
    Generates url for context lines
 

	
 
    :param fileid:
 
    """
 

	
 
    fileid = str(fileid) if fileid else None
 
    ig_ws = get_ignore_ws(fileid, GET)
 
    ln_ctx = (get_line_ctx(fileid, GET) or 3) * 2
 

	
 
    params = defaultdict(list)
 
    _update_with_GET(params, GET)
 

	
 
    # global option
 
    if fileid is None:
 
        if ln_ctx > 0:
 
            params['context'] += [ln_ctx]
 

	
 
        if ig_ws:
 
            ig_ws_key = 'ignorews'
 
            ig_ws_val = 1
 

	
 
    # per file option
 
    else:
 
        params[fileid] += ['C:%s' % ln_ctx]
 
        ig_ws_key = fileid
 
        ig_ws_val = 'WS:%s' % 1
 

	
 
    if ig_ws:
 
        params[ig_ws_key] += [ig_ws_val]
 

	
 
    lbl = _('increase diff context to %(num)s lines') % {'num': ln_ctx}
 

	
 
    params['anchor'] = fileid
 
    img = h.image(h.url('/images/icons/table_add.png'), lbl, class_='icon')
 
    return h.link_to(img, h.url.current(**params), title=lbl, class_='tooltip')
 

	
 

	
 
class ChangesetController(BaseRepoController):
 

	
 
    def __before__(self):
 
        super(ChangesetController, self).__before__()
 
        c.affected_files_cut_off = 60
 

	
 
    def __load_data(self):
 
        repo_model = RepoModel()
 
        c.users_array = repo_model.get_users_js()
 
        c.user_groups_array = repo_model.get_user_groups_js()
 

	
 
    def _index(self, revision, method):
 
        c.anchor_url = anchor_url
 
        c.ignorews_url = _ignorews_url
 
        c.context_url = _context_url
 
        c.fulldiff = fulldiff = request.GET.get('fulldiff')
 
        #get ranges of revisions if preset
 
        rev_range = revision.split('...')[:2]
 
        enable_comments = True
 
        try:
 
            if len(rev_range) == 2:
 
                enable_comments = False
 
                rev_start = rev_range[0]
 
                rev_end = rev_range[1]
 
                rev_ranges = c.db_repo_scm_instance.get_changesets(start=rev_start,
 
                                                             end=rev_end)
 
            else:
 
                rev_ranges = [c.db_repo_scm_instance.get_changeset(revision)]
 

	
 
            c.cs_ranges = list(rev_ranges)
 
            if not c.cs_ranges:
 
                raise RepositoryError('Changeset range returned empty result')
 

	
 
        except(ChangesetDoesNotExistError,), e:
 
            log.error(traceback.format_exc())
 
            msg = _('Such revision does not exist for this repository')
 
            h.flash(msg, category='error')
 
            raise HTTPNotFound()
 
        except (Exception,), e:
 
            log.error(traceback.format_exc())
 
            raise HTTPNotFound()
 

	
 
        c.changes = OrderedDict()
 

	
 
        c.lines_added = 0  # count of lines added
 
        c.lines_deleted = 0  # count of lines removes
 

	
 
        c.changeset_statuses = ChangesetStatus.STATUSES
 
        comments = dict()
 
        c.statuses = []
 
        c.inline_comments = []
 
        c.inline_cnt = 0
 

	
 
        # Iterate over ranges (default changeset view is always one changeset)
 
        for changeset in c.cs_ranges:
 
            inlines = []
 
            if method == 'show':
 
                c.statuses.extend([ChangesetStatusModel().get_status(
 
                            c.db_repo.repo_id, changeset.raw_id)])
 

	
 
                # Changeset comments
 
                comments.update((com.comment_id, com)
 
                                for com in ChangesetCommentsModel()
 
                                .get_comments(c.db_repo.repo_id,
 
                                              revision=changeset.raw_id))
 

	
 
                # Status change comments - mostly from pull requests
 
                comments.update((st.changeset_comment_id, st.comment)
 
                                for st in ChangesetStatusModel()
 
                                .get_statuses(c.db_repo.repo_id,
 
                                              changeset.raw_id, with_revisions=True))
 

	
 
                inlines = ChangesetCommentsModel()\
 
                            .get_inline_comments(c.db_repo.repo_id,
 
                                                 revision=changeset.raw_id)
 
                c.inline_comments.extend(inlines)
 

	
 
            c.changes[changeset.raw_id] = []
 

	
 
            cs2 = changeset.raw_id
 
            cs1 = changeset.parents[0].raw_id if changeset.parents else EmptyChangeset().raw_id
 
            context_lcl = get_line_ctx('', request.GET)
 
            ign_whitespace_lcl = ign_whitespace_lcl = get_ignore_ws('', request.GET)
 

	
 
            _diff = c.db_repo_scm_instance.get_diff(cs1, cs2,
 
                ignore_whitespace=ign_whitespace_lcl, context=context_lcl)
 
            diff_limit = self.cut_off_limit if not fulldiff else None
 
            diff_processor = diffs.DiffProcessor(_diff,
 
                                                 vcs=c.db_repo_scm_instance.alias,
 
                                                 format='gitdiff',
 
                                                 diff_limit=diff_limit)
 
            cs_changes = OrderedDict()
 
            if method == 'show':
 
                _parsed = diff_processor.prepare()
 
                c.limited_diff = False
 
                if isinstance(_parsed, LimitedDiffContainer):
 
                    c.limited_diff = True
 
                for f in _parsed:
 
                    st = f['stats']
 
                    c.lines_added += st['added']
 
                    c.lines_deleted += st['deleted']
 
                    fid = h.FID(changeset.raw_id, f['filename'])
 
                    diff = diff_processor.as_html(enable_comments=enable_comments,
 
                                                  parsed_lines=[f])
 
                    cs_changes[fid] = [cs1, cs2, f['operation'], f['filename'],
 
                                       diff, st]
 
            else:
 
                # downloads/raw we only need RAW diff nothing else
 
                diff = diff_processor.as_raw()
 
                cs_changes[''] = [None, None, None, None, diff, None]
 
            c.changes[changeset.raw_id] = cs_changes
 

	
 
        #sort comments in creation order
 
        c.comments = [com for com_id, com in sorted(comments.items())]
 

	
 
        # count inline comments
 
        for __, lines in c.inline_comments:
 
            for comments in lines.values():
 
                c.inline_cnt += len(comments)
 

	
 
        if len(c.cs_ranges) == 1:
 
            c.changeset = c.cs_ranges[0]
 
            c.parent_tmpl = ''.join(['# Parent  %s\n' % x.raw_id
 
                                     for x in c.changeset.parents])
 
        if method == 'download':
 
            response.content_type = 'text/plain'
 
            response.content_disposition = 'attachment; filename=%s.diff' \
 
                                            % revision[:12]
 
            return diff
 
        elif method == 'patch':
 
            response.content_type = 'text/plain'
 
            c.diff = safe_unicode(diff)
 
            return render('changeset/patch_changeset.html')
 
        elif method == 'raw':
 
            response.content_type = 'text/plain'
 
            return diff
 
        elif method == 'show':
 
            self.__load_data()
 
            if len(c.cs_ranges) == 1:
 
                return render('changeset/changeset.html')
 
            else:
 
                c.cs_ranges_org = None
 
                revs = [ctx.revision for ctx in reversed(c.cs_ranges)]
 
                c.jsdata = json.dumps(graph_data(c.db_repo_scm_instance, revs))
 
                return render('changeset/changeset_range.html')
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def index(self, revision, method='show'):
 
        return self._index(revision, method=method)
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def changeset_raw(self, revision):
 
        return self._index(revision, method='raw')
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def changeset_patch(self, revision):
 
        return self._index(revision, method='patch')
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def changeset_download(self, revision):
 
        return self._index(revision, method='download')
 

	
 
    @LoginRequired()
 
    @NotAnonymous()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    @jsonify
 
    def comment(self, repo_name, revision):
 
        status = request.POST.get('changeset_status')
 
        text = request.POST.get('text')
 
        if status:
 
            text = text or (_('Status change -> %s')
 
                            % ChangesetStatus.get_status_lbl(status))
 

	
 
        c.co = comm = ChangesetCommentsModel().create(
 
            text=text,
 
            repo=c.db_repo.repo_id,
 
            user=c.authuser.user_id,
 
            revision=revision,
 
            f_path=request.POST.get('f_path'),
 
            line_no=request.POST.get('line'),
 
            status_change=(ChangesetStatus.get_status_lbl(status)
 
                           if status else None)
 
        )
 

	
 
        # get status if set !
 
        if status:
 
            # if latest status was from pull request and it's closed
 
            # disallow changing status !
 
            # dont_allow_on_closed_pull_request = True !
 

	
 
            try:
 
                ChangesetStatusModel().set_status(
 
                    c.db_repo.repo_id,
 
                    status,
 
                    c.authuser.user_id,
 
                    comm,
 
                    revision=revision,
 
                    dont_allow_on_closed_pull_request=True
 
                )
 
            except StatusChangeOnClosedPullRequestError:
 
                log.error(traceback.format_exc())
 
                msg = _('Changing status on a changeset associated with '
 
                        'a closed pull request is not allowed')
 
                h.flash(msg, category='warning')
 
                return redirect(h.url('changeset_home', repo_name=repo_name,
 
                                      revision=revision))
 
        action_logger(self.authuser,
 
                      'user_commented_revision:%s' % revision,
 
                      c.db_repo, self.ip_addr, self.sa)
 

	
 
        Session().commit()
 

	
 
        if not request.environ.get('HTTP_X_PARTIAL_XHR'):
 
            return redirect(h.url('changeset_home', repo_name=repo_name,
 
                                  revision=revision))
 
        #only ajax below
 
        data = {
 
           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),
 
        }
 
        if comm:
 
            data.update(comm.get_dict())
 
            data.update({'rendered_text':
 
                         render('changeset/changeset_comment_block.html')})
 

	
kallithea/controllers/compare.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# GNU General Public License for more details.
 
#
 
# You should have received a copy of the GNU General Public License
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
"""
 
kallithea.controllers.compare
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

	
 
compare controller for pylons showing differences between two
 
repos, branches, bookmarks or tips
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: May 6, 2012
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 

	
 
import logging
 
import traceback
 
import re
 

	
 
from webob.exc import HTTPNotFound, HTTPBadRequest
 
from pylons import request, response, session, tmpl_context as c, url
 
from pylons.controllers.util import abort, redirect
 
from pylons.i18n.translation import _
 

	
 
from kallithea.lib.vcs.exceptions import EmptyRepositoryError, RepositoryError
 
from kallithea.lib.vcs.utils import safe_str
 
from kallithea.lib.vcs.utils.hgcompat import unionrepo
 
from kallithea.lib import helpers as h
 
from kallithea.lib.base import BaseRepoController, render
 
from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 
from kallithea.lib import diffs
 
from kallithea.model.db import Repository
 
from kallithea.lib.diffs import LimitedDiffContainer
 
from kallithea.controllers.changeset import anchor_url, _ignorews_url,\
 
    _context_url, get_line_ctx, get_ignore_ws
 
from kallithea.lib.graphmod import graph_data
 
from kallithea.lib.compat import json
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class CompareController(BaseRepoController):
 

	
 
    def __before__(self):
 
        super(CompareController, self).__before__()
 

	
 
    @staticmethod
 
    def __get_rev(ref, repo):
 
        """
 
        Safe way to get changeset. If error occurs show error.
 
        """
 
        rev = ref[1] # default and used for git
 
        if repo.scm_instance.alias == 'hg':
 
            # lookup up the exact node id
 
            _revset_predicates = {
 
                    'branch': 'branch',
 
                    'book': 'bookmark',
 
                    'tag': 'tag',
 
                    'rev': 'id',
 
                }
 
            rev_spec = "max(%s(%%s))" % _revset_predicates[ref[0]]
 
            revs = repo.scm_instance._repo.revs(rev_spec, safe_str(ref[1]))
 
            if revs:
 
                rev = revs[-1]
 
            # else: TODO: just report 'not found'
 

	
 
        try:
 
            return repo.scm_instance.get_changeset(rev).raw_id
 
        except EmptyRepositoryError, e:
 
            h.flash(h.literal(_('There are no changesets yet')),
 
                    category='error')
 
            raise HTTPNotFound()
 
        except RepositoryError, e:
 
            log.error(traceback.format_exc())
 
            h.flash(safe_str(e), category='error')
 
            raise HTTPBadRequest()
 

	
 
    @staticmethod
 
    def _get_changesets(alias, org_repo, org_rev, other_repo, other_rev):
 
        """
 
        Returns lists of changesets that can be merged from org_repo@org_rev
 
        to other_repo@other_rev
 
        ... and the other way
 
        ... and the ancestor that would be used for merge
 

	
 
        :param org_repo: repo object, that is most likely the orginal repo we forked from
 
        :param org_rev: the revision we want our compare to be made
 
        :param other_repo: repo object, mostl likely the fork of org_repo. It hass
 
            all changesets that we need to obtain
 
        :param other_rev: revision we want out compare to be made on other_repo
 
        """
 
        ancestor = None
 
        if org_rev == other_rev:
 
            org_changesets = []
 
            other_changesets = []
 
            ancestor = org_rev
 

	
 
        elif alias == 'hg':
 
            #case two independent repos
 
            if org_repo != other_repo:
 
                hgrepo = unionrepo.unionrepository(other_repo.baseui,
 
                                                   other_repo.path,
 
                                                   org_repo.path)
 
                # all ancestors of other_rev will be in other_repo and
 
                # rev numbers from hgrepo can be used in other_repo - org_rev ancestors cannot
 

	
 
            #no remote compare do it on the same repository
 
            else:
 
                hgrepo = other_repo._repo
 

	
 
            ancestors = hgrepo.revs("ancestor(id(%s), id(%s))", org_rev, other_rev)
 
            if ancestors:
 
                # pick arbitrary ancestor - but there is usually only one
 
                ancestor = hgrepo[ancestors[0]].hex()
 

	
 
            other_revs = hgrepo.revs("ancestors(id(%s)) and not ancestors(id(%s)) and not id(%s)",
 
                                     other_rev, org_rev, org_rev)
 
            other_changesets = [other_repo.get_changeset(rev) for rev in other_revs]
 
            org_revs = hgrepo.revs("ancestors(id(%s)) and not ancestors(id(%s)) and not id(%s)",
 
                                   org_rev, other_rev, other_rev)
 

	
 
            org_changesets = [org_repo.get_changeset(hgrepo[rev].hex()) for rev in org_revs]
 

	
 
        elif alias == 'git':
 
            if org_repo != other_repo:
 
                from dulwich.repo import Repo
 
                from dulwich.client import SubprocessGitClient
 

	
 
                gitrepo = Repo(org_repo.path)
 
                SubprocessGitClient(thin_packs=False).fetch(other_repo.path, gitrepo)
 

	
 
                gitrepo_remote = Repo(other_repo.path)
 
                SubprocessGitClient(thin_packs=False).fetch(org_repo.path, gitrepo_remote)
 

	
 
                revs = []
 
                for x in gitrepo_remote.get_walker(include=[other_rev],
 
                                                   exclude=[org_rev]):
 
                    revs.append(x.commit.id)
 

	
 
                other_changesets = [other_repo.get_changeset(rev) for rev in reversed(revs)]
 
                if other_changesets:
 
                    ancestor = other_changesets[0].parents[0].raw_id
 
                else:
 
                    # no changesets from other repo, ancestor is the other_rev
 
                    ancestor = other_rev
 

	
 
            else:
 
                so, se = org_repo.run_git_command(
 
                    'log --reverse --pretty="format: %%H" -s %s..%s'
 
                        % (org_rev, other_rev)
 
                )
 
                other_changesets = [org_repo.get_changeset(cs)
 
                              for cs in re.findall(r'[0-9a-fA-F]{40}', so)]
 
            org_changesets = []
 

	
 
        else:
 
            raise Exception('Bad alias only git and hg is allowed')
 

	
 
        return other_changesets, org_changesets, ancestor
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def index(self, repo_name):
 
        c.compare_home = True
 
        org_repo = c.db_repo.repo_name
 
        other_repo = request.GET.get('other_repo', org_repo)
 
        c.org_repo = Repository.get_by_repo_name(org_repo)
 
        c.other_repo = Repository.get_by_repo_name(other_repo)
 
        c.org_ref_name = c.other_ref_name = _('Select changeset')
 
        return render('compare/compare_diff.html')
 

	
 
    @LoginRequired()
 
    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
 
                                   'repository.admin')
 
    def compare(self, repo_name, org_ref_type, org_ref_name, other_ref_type, other_ref_name):
 
        # org_ref will be evaluated in org_repo
 
        org_repo = c.db_repo.repo_name
 
        org_ref = (org_ref_type, org_ref_name)
 
        # other_ref will be evaluated in other_repo
 
        other_ref = (other_ref_type, other_ref_name)
 
        other_repo = request.GET.get('other_repo', org_repo)
 
        # If merge is True:
 
        #   Show what org would get if merged with other:
 
        #   List changesets that are ancestors of other but not of org.
 
        #   New changesets in org is thus ignored.
 
        #   Diff will be from common ancestor, and merges of org to other will thus be ignored.
 
        # If merge is False:
 
        #   Make a raw diff from org to other, no matter if related or not.
 
        #   Changesets in one and not in the other will be ignored
 
        merge = bool(request.GET.get('merge'))
 
        # fulldiff disables cut_off_limit
 
        c.fulldiff = request.GET.get('fulldiff')
 
        # partial uses compare_cs.html template directly
 
        partial = request.environ.get('HTTP_X_PARTIAL_XHR')
 
        # as_form puts hidden input field with changeset revisions
 
        c.as_form = partial and request.GET.get('as_form')
 
        # swap url for compare_diff page - never partial and never as_form
 
        c.swap_url = h.url('compare_url',
 
            repo_name=other_repo,
 
            org_ref_type=other_ref_type, org_ref_name=other_ref_name,
 
            other_repo=org_repo,
 
            other_ref_type=org_ref_type, other_ref_name=org_ref_name,
 
            merge=merge or '')
 

	
 
        # set callbacks for generating markup for icons
 
        c.ignorews_url = _ignorews_url
 
        c.context_url = _context_url
 
        ignore_whitespace = request.GET.get('ignorews') == '1'
 
        line_context = request.GET.get('context', 3)
 

	
 
        org_repo = Repository.get_by_repo_name(org_repo)
 
        other_repo = Repository.get_by_repo_name(other_repo)
 

	
 
        if org_repo is None:
 
            msg = 'Could not find org repo %s' % org_repo
 
            log.error(msg)
 
            h.flash(msg, category='error')
 
            return redirect(url('compare_home', repo_name=c.repo_name))
 

	
 
        if other_repo is None:
 
            msg = 'Could not find other repo %s' % other_repo
 
            log.error(msg)
 
            h.flash(msg, category='error')
 
            return redirect(url('compare_home', repo_name=c.repo_name))
 

	
 
        if org_repo.scm_instance.alias != other_repo.scm_instance.alias:
 
            msg = 'compare of two different kind of remote repos not available'
 
            log.error(msg)
 
            h.flash(msg, category='error')
 
            return redirect(url('compare_home', repo_name=c.repo_name))
 

	
 
        c.org_rev = self.__get_rev(ref=org_ref, repo=org_repo)
 
        c.other_rev = self.__get_rev(ref=other_ref, repo=other_repo)
 
        c.org_rev = self._get_ref_rev(org_repo, org_ref_type, org_ref_name)
 
        c.other_rev = self._get_ref_rev(other_repo, other_ref_type, other_ref_name)
 

	
 
        c.compare_home = False
 
        c.org_repo = org_repo
 
        c.other_repo = other_repo
 
        c.org_ref_name = org_ref_name
 
        c.other_ref_name = other_ref_name
 
        c.org_ref_type = org_ref_type
 
        c.other_ref_type = other_ref_type
 

	
 
        c.cs_ranges, c.cs_ranges_org, c.ancestor = self._get_changesets(
 
            org_repo.scm_instance.alias, org_repo.scm_instance, c.org_rev,
 
            other_repo.scm_instance, c.other_rev)
 
        c.statuses = c.db_repo.statuses(
 
            [x.raw_id for x in c.cs_ranges])
 

	
 
        revs = [ctx.revision for ctx in reversed(c.cs_ranges)]
 
        c.jsdata = json.dumps(graph_data(c.other_repo.scm_instance, revs))
 

	
 
        c.statuses = c.db_repo.statuses([x.raw_id for x in
 
                                                   c.cs_ranges])
 

	
 
        if partial:
 
            return render('compare/compare_cs.html')
 
        if merge and c.ancestor:
 
            # case we want a simple diff without incoming changesets,
 
            # previewing what will be merged.
 
            # Make the diff on the other repo (which is known to have other_rev)
 
            log.debug('Using ancestor %s as rev1 instead of %s'
 
                      % (c.ancestor, c.org_rev))
 
            rev1 = c.ancestor
 
            org_repo = other_repo
 
        else: # comparing tips, not necessarily linearly related
 
            if merge:
 
                log.error('Unable to find ancestor revision')
 
            if org_repo != other_repo:
 
                log.error('cannot compare across repos %s and %s', org_repo, other_repo)
 
                raise HTTPNotFound
 
            rev1 = c.org_rev
 

	
 
        diff_limit = self.cut_off_limit if not c.fulldiff else None
 

	
 
        log.debug('running diff between %s and %s in %s'
 
                  % (rev1, c.other_rev, org_repo.scm_instance.path))
 
        txtdiff = org_repo.scm_instance.get_diff(rev1=rev1, rev2=c.other_rev,
 
                                      ignore_whitespace=ignore_whitespace,
 
                                      context=line_context)
 

	
 
        diff_processor = diffs.DiffProcessor(txtdiff or '', format='gitdiff',
 
                                             diff_limit=diff_limit)
 
        _parsed = diff_processor.prepare()
 

	
 
        c.limited_diff = False
 
        if isinstance(_parsed, LimitedDiffContainer):
 
            c.limited_diff = True
 

	
 
        c.files = []
 
        c.changes = {}
 
        c.lines_added = 0
 
        c.lines_deleted = 0
 
        for f in _parsed:
 
            st = f['stats']
 
            if not st['binary']:
 
                c.lines_added += st['added']
 
                c.lines_deleted += st['deleted']
 
            fid = h.FID('', f['filename'])
 
            c.files.append([fid, f['operation'], f['filename'], f['stats']])
 
            htmldiff = diff_processor.as_html(enable_comments=False, parsed_lines=[f])
 
            c.changes[fid] = [f['operation'], f['filename'], htmldiff]
 

	
 
        return render('compare/compare_diff.html')
kallithea/lib/base.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# GNU General Public License for more details.
 
#
 
# You should have received a copy of the GNU General Public License
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

	
 
"""
 
kallithea.lib.base
 
~~~~~~~~~~~~~~~~~~
 

	
 
The base Controller API
 
Provides the BaseController class for subclassing. And usage in different
 
controllers
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Oct 06, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import logging
 
import time
 
import traceback
 

	
 
from paste.auth.basic import AuthBasicAuthenticator
 
from paste.httpexceptions import HTTPUnauthorized, HTTPForbidden, HTTPNotFound
 
from paste.httpheaders import WWW_AUTHENTICATE, AUTHORIZATION
 
import webob.exc
 
import paste.httpexceptions
 
import paste.auth.basic
 
import paste.httpheaders
 

	
 
from pylons import config, tmpl_context as c, request, session, url
 
from pylons.controllers import WSGIController
 
from pylons.controllers.util import redirect
 
from pylons.templating import render_mako as render  # don't remove this import
 
from pylons.i18n.translation import _
 

	
 
from kallithea import __version__, BACKENDS
 

	
 
from kallithea.lib.utils2 import str2bool, safe_unicode, AttributeDict,\
 
    safe_str, safe_int
 
from kallithea.lib import auth_modules
 
from kallithea.lib.auth import AuthUser, HasPermissionAnyMiddleware, CookieStoreWrapper
 
from kallithea.lib.utils import get_repo_slug
 
from kallithea.lib.exceptions import UserCreationError
 
from kallithea.lib.vcs.exceptions import RepositoryError, EmptyRepositoryError, ChangesetDoesNotExistError
 
from kallithea.model import meta
 

	
 
from kallithea.model.db import Repository, Ui, User, Setting
 
from kallithea.model.notification import NotificationModel
 
from kallithea.model.scm import ScmModel
 
from kallithea.model.meta import Session
 
from kallithea.model.pull_request import PullRequestModel
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
def _filter_proxy(ip):
 
    """
 
    HEADERS can have multiple ips inside the left-most being the original
 
    client, and each successive proxy that passed the request adding the IP
 
    address where it received the request from.
 

	
 
    :param ip:
 
    """
 
    if ',' in ip:
 
        _ips = ip.split(',')
 
        _first_ip = _ips[0].strip()
 
        log.debug('Got multiple IPs %s, using %s' % (','.join(_ips), _first_ip))
 
        return _first_ip
 
    return ip
 

	
 

	
 
def _get_ip_addr(environ):
 
    proxy_key = 'HTTP_X_REAL_IP'
 
    proxy_key2 = 'HTTP_X_FORWARDED_FOR'
 
    def_key = 'REMOTE_ADDR'
 

	
 
    ip = environ.get(proxy_key)
 
    if ip:
 
        return _filter_proxy(ip)
 

	
 
    ip = environ.get(proxy_key2)
 
    if ip:
 
        return _filter_proxy(ip)
 

	
 
    ip = environ.get(def_key, '0.0.0.0')
 
    return _filter_proxy(ip)
 

	
 

	
 
def _get_access_path(environ):
 
    path = environ.get('PATH_INFO')
 
    org_req = environ.get('pylons.original_request')
 
    if org_req:
 
        path = org_req.environ.get('PATH_INFO')
 
    return path
 

	
 

	
 
class BasicAuth(AuthBasicAuthenticator):
 
class BasicAuth(paste.auth.basic.AuthBasicAuthenticator):
 

	
 
    def __init__(self, realm, authfunc, auth_http_code=None):
 
        self.realm = realm
 
        self.authfunc = authfunc
 
        self._rc_auth_http_code = auth_http_code
 

	
 
    def build_authentication(self):
 
        head = WWW_AUTHENTICATE.tuples('Basic realm="%s"' % self.realm)
 
        head = paste.httpheaders.WWW_AUTHENTICATE.tuples('Basic realm="%s"' % self.realm)
 
        if self._rc_auth_http_code and self._rc_auth_http_code == '403':
 
            # return 403 if alternative http return code is specified in
 
            # Kallithea config
 
            return HTTPForbidden(headers=head)
 
        return HTTPUnauthorized(headers=head)
 
            return paste.httpexceptions.HTTPForbidden(headers=head)
 
        return paste.httpexceptions.HTTPUnauthorized(headers=head)
 

	
 
    def authenticate(self, environ):
 
        authorization = AUTHORIZATION(environ)
 
        authorization = paste.httpheaders.AUTHORIZATION(environ)
 
        if not authorization:
 
            return self.build_authentication()
 
        (authmeth, auth) = authorization.split(' ', 1)
 
        if 'basic' != authmeth.lower():
 
            return self.build_authentication()
 
        auth = auth.strip().decode('base64')
 
        _parts = auth.split(':', 1)
 
        if len(_parts) == 2:
 
            username, password = _parts
 
            if self.authfunc(username, password, environ):
 
                return username
 
        return self.build_authentication()
 

	
 
    __call__ = authenticate
 

	
 

	
 
class BaseVCSController(object):
 

	
 
    def __init__(self, application, config):
 
        self.application = application
 
        self.config = config
 
        # base path of repo locations
 
        self.basepath = self.config['base_path']
 
        #authenticate this VCS request using authfunc
 
        self.authenticate = BasicAuth('', auth_modules.authenticate,
 
                                      config.get('auth_ret_code'))
 
        self.ip_addr = '0.0.0.0'
 

	
 
    def _handle_request(self, environ, start_response):
 
        raise NotImplementedError()
 

	
 
    def _get_by_id(self, repo_name):
 
        """
 
        Gets a special pattern _<ID> from clone url and tries to replace it
 
        with a repository_name for support of _<ID> non changable urls
 

	
 
        :param repo_name:
 
        """
 

	
 
        data = repo_name.split('/')
 
        if len(data) >= 2:
 
            from kallithea.lib.utils import get_repo_by_id
 
            by_id_match = get_repo_by_id(repo_name)
 
            if by_id_match:
 
                data[1] = by_id_match
 

	
 
        return '/'.join(data)
 

	
 
    def _invalidate_cache(self, repo_name):
 
        """
 
        Set's cache for this repository for invalidation on next access
 

	
 
        :param repo_name: full repo name, also a cache key
 
        """
 
        ScmModel().mark_for_invalidation(repo_name)
 

	
 
    def _check_permission(self, action, user, repo_name, ip_addr=None):
 
        """
 
        Checks permissions using action (push/pull) user and repository
 
        name
 

	
 
        :param action: push or pull action
 
        :param user: user instance
 
        :param repo_name: repository name
 
        """
 
        # check IP
 
        inherit = user.inherit_default_permissions
 
        ip_allowed = AuthUser.check_ip_allowed(user.user_id, ip_addr,
 
                                               inherit_from_default=inherit)
 
        if ip_allowed:
 
            log.info('Access for IP:%s allowed' % (ip_addr,))
 
        else:
 
            return False
 

	
 
        if action == 'push':
 
            if not HasPermissionAnyMiddleware('repository.write',
 
                                              'repository.admin')(user,
 
                                                                  repo_name):
 
                return False
 

	
 
        else:
 
            #any other action need at least read permission
 
            if not HasPermissionAnyMiddleware('repository.read',
 
                                              'repository.write',
 
                                              'repository.admin')(user,
 
                                                                  repo_name):
 
                return False
 

	
 
        return True
 

	
 
    def _get_ip_addr(self, environ):
 
        return _get_ip_addr(environ)
 

	
 
    def _check_ssl(self, environ, start_response):
 
        """
 
        Checks the SSL check flag and returns False if SSL is not present
 
        and required True otherwise
 
        """
 
        org_proto = environ['wsgi._org_proto']
 
        #check if we have SSL required  ! if not it's a bad request !
 
        require_ssl = str2bool(Ui.get_by_key('push_ssl').ui_value)
 
        if require_ssl and org_proto == 'http':
 
            log.debug('proto is %s and SSL is required BAD REQUEST !'
 
                      % org_proto)
 
            return False
 
        return True
 

	
 
    def _check_locking_state(self, environ, action, repo, user_id):
 
        """
 
        Checks locking on this repository, if locking is enabled and lock is
 
        present returns a tuple of make_lock, locked, locked_by.
 
        make_lock can have 3 states None (do nothing) True, make lock
 
        False release lock, This value is later propagated to hooks, which
 
        do the locking. Think about this as signals passed to hooks what to do.
 

	
 
        """
 
        locked = False  # defines that locked error should be thrown to user
 
        make_lock = None
 
        repo = Repository.get_by_repo_name(repo)
 
        user = User.get(user_id)
 

	
 
        # this is kind of hacky, but due to how mercurial handles client-server
 
        # server see all operation on changeset; bookmarks, phases and
 
        # obsolescence marker in different transaction, we don't want to check
 
        # locking on those
 
        obsolete_call = environ['QUERY_STRING'] in ['cmd=listkeys',]
 
        locked_by = repo.locked
 
        if repo and repo.enable_locking and not obsolete_call:
 
            if action == 'push':
 
                #check if it's already locked !, if it is compare users
 
                user_id, _date = repo.locked
 
                if user.user_id == user_id:
 
                    log.debug('Got push from user %s, now unlocking' % (user))
 
                    # unlock if we have push from user who locked
 
                    make_lock = False
 
                else:
 
                    # we're not the same user who locked, ban with 423 !
 
                    locked = True
 
            if action == 'pull':
 
                if repo.locked[0] and repo.locked[1]:
 
                    locked = True
 
                else:
 
                    log.debug('Setting lock on repo %s by %s' % (repo, user))
 
                    make_lock = True
 

	
 
        else:
 
            log.debug('Repository %s do not have locking enabled' % (repo))
 
        log.debug('FINAL locking values make_lock:%s,locked:%s,locked_by:%s'
 
                  % (make_lock, locked, locked_by))
 
        return make_lock, locked, locked_by
 

	
 
    def __call__(self, environ, start_response):
 
        start = time.time()
 
        try:
 
            return self._handle_request(environ, start_response)
 
        finally:
 
            log = logging.getLogger('kallithea.' + self.__class__.__name__)
 
            log.debug('Request time: %.3fs' % (time.time() - start))
 
            meta.Session.remove()
 

	
 

	
 
class BaseController(WSGIController):
 

	
 
    def __before__(self):
 
        """
 
        __before__ is called before controller methods and after __call__
 
        """
 
        c.kallithea_version = __version__
 
        rc_config = Setting.get_app_settings()
 

	
 
        # Visual options
 
        c.visual = AttributeDict({})
 

	
 
        ## DB stored
 
        c.visual.show_public_icon = str2bool(rc_config.get('show_public_icon'))
 
        c.visual.show_private_icon = str2bool(rc_config.get('show_private_icon'))
 
        c.visual.stylify_metatags = str2bool(rc_config.get('stylify_metatags'))
 
        c.visual.dashboard_items = safe_int(rc_config.get('dashboard_items', 100))
 
        c.visual.admin_grid_items = safe_int(rc_config.get('admin_grid_items', 100))
 
        c.visual.repository_fields = str2bool(rc_config.get('repository_fields'))
 
        c.visual.show_version = str2bool(rc_config.get('show_version'))
 
        c.visual.use_gravatar = str2bool(rc_config.get('use_gravatar'))
 
        c.visual.gravatar_url = rc_config.get('gravatar_url')
 

	
 
        c.ga_code = rc_config.get('ga_code')
 
        c.site_name = rc_config.get('title')
 
        c.clone_uri_tmpl = rc_config.get('clone_uri_tmpl')
 

	
 
        ## INI stored
 
        c.visual.allow_repo_location_change = str2bool(config.get('allow_repo_location_change', True))
 
        c.visual.allow_custom_hooks_settings = str2bool(config.get('allow_custom_hooks_settings', True))
 

	
 
        c.instance_id = config.get('instance_id')
 
        c.issues_url = config.get('bugtracker', url('issues_url'))
 
        # END CONFIG VARS
 

	
 
        c.repo_name = get_repo_slug(request)  # can be empty
 
        c.backends = BACKENDS.keys()
 
        c.unread_notifications = NotificationModel()\
 
                        .get_unread_cnt_for_user(c.authuser.user_id)
 

	
 
        self.cut_off_limit = safe_int(config.get('cut_off_limit'))
 

	
 
        c.my_pr_count = PullRequestModel().get_pullrequest_cnt_for_user(c.authuser.user_id)
 

	
 
        self.sa = meta.Session
 
        self.scm_model = ScmModel(self.sa)
 

	
 
    def __call__(self, environ, start_response):
 
        """Invoke the Controller"""
 
        # WSGIController.__call__ dispatches to the Controller method
 
        # the request is routed to. This routing information is
 
        # available in environ['pylons.routes_dict']
 
        try:
 
            self.ip_addr = _get_ip_addr(environ)
 
            # make sure that we update permissions each time we call controller
 
            api_key = request.GET.get('api_key')
 

	
 
            if api_key:
 
                # when using API_KEY we are sure user exists.
 
                auth_user = AuthUser(api_key=api_key, ip_addr=self.ip_addr)
 
                authenticated = False
 
            else:
 
                cookie_store = CookieStoreWrapper(session.get('authuser'))
 
                try:
 
                    auth_user = AuthUser(user_id=cookie_store.get('user_id', None),
 
                                         ip_addr=self.ip_addr)
 
                except UserCreationError, e:
 
                    from kallithea.lib import helpers as h
 
                    h.flash(e, 'error')
 
                    # container auth or other auth functions that create users on
 
                    # the fly can throw this exception signaling that there's issue
 
                    # with user creation, explanation should be provided in
 
                    # Exception itself
 
                    auth_user = AuthUser(ip_addr=self.ip_addr)
 

	
 
                authenticated = cookie_store.get('is_authenticated')
 

	
 
            if not auth_user.is_authenticated and auth_user.user_id is not None:
 
                # user is not authenticated and not empty
 
                auth_user.set_authenticated(authenticated)
 
            request.user = auth_user
 
            #set globals for auth user
 
            self.authuser = c.authuser = auth_user
 
            log.info('IP: %s User: %s accessed %s' % (
 
               self.ip_addr, auth_user, safe_unicode(_get_access_path(environ)))
 
            )
 
            return WSGIController.__call__(self, environ, start_response)
 
        finally:
 
            meta.Session.remove()
 

	
 

	
 
class BaseRepoController(BaseController):
 
    """
 
    Base class for controllers responsible for loading all needed data for
 
    repository loaded items are
 

	
 
    c.db_repo_scm_instance: instance of scm repository
 
    c.db_repo: instance of db
 
    c.repository_followers: number of followers
 
    c.repository_forks: number of forks
 
    c.repository_following: weather the current user is following the current repo
 
    """
 

	
 
    def __before__(self):
 
        super(BaseRepoController, self).__before__()
 
        if c.repo_name:  # extracted from routes
 
            _dbr = Repository.get_by_repo_name(c.repo_name)
 
            if not _dbr:
 
                return
 

	
 
            log.debug('Found repository in database %s with state `%s`'
 
                      % (safe_unicode(_dbr), safe_unicode(_dbr.repo_state)))
 
            route = getattr(request.environ.get('routes.route'), 'name', '')
 

	
 
            # allow to delete repos that are somehow damages in filesystem
 
            if route in ['delete_repo']:
 
                return
 

	
 
            if _dbr.repo_state in [Repository.STATE_PENDING]:
 
                if route in ['repo_creating_home']:
 
                    return
 
                check_url = url('repo_creating_home', repo_name=c.repo_name)
 
                return redirect(check_url)
 

	
 
            dbr = c.db_repo = _dbr
 
            c.db_repo_scm_instance = c.db_repo.scm_instance
 
            if c.db_repo_scm_instance is None:
 
                log.error('%s this repository is present in database but it '
 
                          'cannot be created as an scm instance', c.repo_name)
 
                from kallithea.lib import helpers as h
 
                h.flash(h.literal(_('Repository not found in the filesystem')),
 
                        category='error')
 
                raise HTTPNotFound()
 
                raise paste.httpexceptions.HTTPNotFound()
 

	
 
            # some globals counter for menu
 
            c.repository_followers = self.scm_model.get_followers(dbr)
 
            c.repository_forks = self.scm_model.get_forks(dbr)
 
            c.repository_pull_requests = self.scm_model.get_pull_requests(dbr)
 
            c.repository_following = self.scm_model.is_following_repo(
 
                                    c.repo_name, self.authuser.user_id)
 

	
 
    @staticmethod
 
    def _get_ref_rev(repo, ref_type, ref_name):
 
        """
 
        Safe way to get changeset. If error occurs show error.
 
        """
 
        from kallithea.lib import helpers as h
 
        try:
 
            return repo.scm_instance.get_ref_revision(ref_type, ref_name)
 
        except EmptyRepositoryError as e:
 
            h.flash(h.literal(_('There are no changesets yet')),
 
                    category='error')
 
            raise webob.exc.HTTPNotFound()
 
        except ChangesetDoesNotExistError as e:
 
            h.flash(h.literal(_('Changeset not found')),
 
                    category='error')
 
            raise webob.exc.HTTPNotFound()
 
        except RepositoryError as e:
 
            log.error(traceback.format_exc())
 
            h.flash(safe_str(e), category='error')
 
            raise webob.exc.HTTPBadRequest()
kallithea/lib/vcs/backends/git/repository.py
Show inline comments
 
@@ -124,384 +124,391 @@ class GitRepository(BaseRepository):
 

	
 
        _str_cmd = False
 
        if isinstance(cmd, basestring):
 
            cmd = [cmd]
 
            _str_cmd = True
 

	
 
        gitenv = os.environ
 
        # need to clean fix GIT_DIR !
 
        if 'GIT_DIR' in gitenv:
 
            del gitenv['GIT_DIR']
 
        gitenv['GIT_CONFIG_NOGLOBAL'] = '1'
 

	
 
        _git_path = settings.GIT_EXECUTABLE_PATH
 
        cmd = [_git_path] + _copts + cmd
 
        if _str_cmd:
 
            cmd = ' '.join(cmd)
 

	
 
        try:
 
            _opts = dict(
 
                env=gitenv,
 
                shell=True,
 
            )
 
            _opts.update(opts)
 
            p = subprocessio.SubprocessIOChunker(cmd, **_opts)
 
        except (EnvironmentError, OSError), err:
 
            tb_err = ("Couldn't run git command (%s).\n"
 
                      "Original error was:%s\n" % (cmd, err))
 
            log.error(tb_err)
 
            if safe_call:
 
                return '', err
 
            else:
 
                raise RepositoryError(tb_err)
 

	
 
        return ''.join(p.output), ''.join(p.error)
 

	
 
    def run_git_command(self, cmd):
 
        opts = {}
 
        if os.path.isdir(self.path):
 
            opts['cwd'] = self.path
 
        return self._run_git_command(cmd, **opts)
 

	
 
    @classmethod
 
    def _check_url(cls, url):
 
        """
 
        Function will check given url and try to verify if it's a valid
 
        link. Sometimes it may happened that git will issue basic
 
        auth request that can cause whole API to hang when used from python
 
        or other external calls.
 

	
 
        On failures it'll raise urllib2.HTTPError, exception is also thrown
 
        when the return code is non 200
 
        """
 

	
 
        # check first if it's not an local url
 
        if os.path.isdir(url) or url.startswith('file:'):
 
            return True
 

	
 
        if '+' in url[:url.find('://')]:
 
            url = url[url.find('+') + 1:]
 

	
 
        handlers = []
 
        url_obj = hg_url(url)
 
        test_uri, authinfo = url_obj.authinfo()
 
        url_obj.passwd = '*****'
 
        cleaned_uri = str(url_obj)
 

	
 
        if not test_uri.endswith('info/refs'):
 
            test_uri = test_uri.rstrip('/') + '/info/refs'
 

	
 
        if authinfo:
 
            #create a password manager
 
            passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
 
            passmgr.add_password(*authinfo)
 

	
 
            handlers.extend((httpbasicauthhandler(passmgr),
 
                             httpdigestauthhandler(passmgr)))
 

	
 
        o = urllib2.build_opener(*handlers)
 
        o.addheaders = [('User-Agent', 'git/1.7.8.0')]  # fake some git
 

	
 
        q = {"service": 'git-upload-pack'}
 
        qs = '?%s' % urllib.urlencode(q)
 
        cu = "%s%s" % (test_uri, qs)
 
        req = urllib2.Request(cu, None, {})
 

	
 
        try:
 
            resp = o.open(req)
 
            if resp.code != 200:
 
                raise Exception('Return Code is not 200')
 
        except Exception, e:
 
            # means it cannot be cloned
 
            raise urllib2.URLError("[%s] org_exc: %s" % (cleaned_uri, e))
 

	
 
        # now detect if it's proper git repo
 
        gitdata = resp.read()
 
        if not 'service=git-upload-pack' in gitdata:
 
            raise urllib2.URLError(
 
                "url [%s] does not look like an git" % (cleaned_uri))
 

	
 
        return True
 

	
 
    def _get_repo(self, create, src_url=None, update_after_clone=False,
 
                  bare=False):
 
        if create and os.path.exists(self.path):
 
            raise RepositoryError("Location already exist")
 
        if src_url and not create:
 
            raise RepositoryError("Create should be set to True if src_url is "
 
                                  "given (clone operation creates repository)")
 
        try:
 
            if create and src_url:
 
                GitRepository._check_url(src_url)
 
                self.clone(src_url, update_after_clone, bare)
 
                return Repo(self.path)
 
            elif create:
 
                os.makedirs(self.path)
 
                if bare:
 
                    return Repo.init_bare(self.path)
 
                else:
 
                    return Repo.init(self.path)
 
            else:
 
                return self._repo
 
        except (NotGitRepository, OSError), err:
 
            raise RepositoryError(err)
 

	
 
    def _get_all_revisions(self):
 
        # we must check if this repo is not empty, since later command
 
        # fails if it is. And it's cheaper to ask than throw the subprocess
 
        # errors
 
        try:
 
            self._repo.head()
 
        except KeyError:
 
            return []
 

	
 
        rev_filter = _git_path = settings.GIT_REV_FILTER
 
        cmd = 'rev-list %s --reverse --date-order' % (rev_filter)
 
        try:
 
            so, se = self.run_git_command(cmd)
 
        except RepositoryError:
 
            # Can be raised for empty repositories
 
            return []
 
        return so.splitlines()
 

	
 
    def _get_all_revisions2(self):
 
        #alternate implementation using dulwich
 
        includes = [x[1][0] for x in self._parsed_refs.iteritems()
 
                    if x[1][1] != 'T']
 
        return [c.commit.id for c in self._repo.get_walker(include=includes)]
 

	
 
    def _get_revision(self, revision):
 
        """
 
        For git backend we always return integer here. This way we ensure
 
        that changset's revision attribute would become integer.
 
        """
 

	
 
        is_null = lambda o: len(o) == revision.count('0')
 

	
 
        if self._empty:
 
            raise EmptyRepositoryError("There are no changesets yet")
 

	
 
        if revision in (None, '', 'tip', 'HEAD', 'head', -1):
 
            return self.revisions[-1]
 

	
 
        is_bstr = isinstance(revision, (str, unicode))
 
        if ((is_bstr and revision.isdigit() and len(revision) < 12)
 
            or isinstance(revision, int) or is_null(revision)):
 
            try:
 
                revision = self.revisions[int(revision)]
 
            except Exception:
 
                msg = ("Revision %s does not exist for %s" % (revision, self))
 
                raise ChangesetDoesNotExistError(msg)
 

	
 
        elif is_bstr:
 
            # get by branch/tag name
 
            _ref_revision = self._parsed_refs.get(revision)
 
            if _ref_revision:  # and _ref_revision[1] in ['H', 'RH', 'T']:
 
                return _ref_revision[0]
 

	
 
            _tags_shas = self.tags.values()
 
            # maybe it's a tag ? we don't have them in self.revisions
 
            if revision in _tags_shas:
 
                return _tags_shas[_tags_shas.index(revision)]
 

	
 
            elif not SHA_PATTERN.match(revision) or revision not in self.revisions:
 
                msg = ("Revision %s does not exist for %s" % (revision, self))
 
                raise ChangesetDoesNotExistError(msg)
 

	
 
        # Ensure we return full id
 
        if not SHA_PATTERN.match(str(revision)):
 
            raise ChangesetDoesNotExistError("Given revision %s not recognized"
 
                % revision)
 
        return revision
 

	
 
    def get_ref_revision(self, ref_type, ref_name):
 
        """
 
        Returns ``MercurialChangeset`` object representing repository's
 
        changeset at the given ``revision``.
 
        """
 
        return self._get_revision(ref_name)
 

	
 
    def _get_archives(self, archive_name='tip'):
 

	
 
        for i in [('zip', '.zip'), ('gz', '.tar.gz'), ('bz2', '.tar.bz2')]:
 
                yield {"type": i[0], "extension": i[1], "node": archive_name}
 

	
 
    def _get_url(self, url):
 
        """
 
        Returns normalized url. If schema is not given, would fall to
 
        filesystem (``file:///``) schema.
 
        """
 
        url = str(url)
 
        if url != 'default' and not '://' in url:
 
            url = ':///'.join(('file', url))
 
        return url
 

	
 
    def get_hook_location(self):
 
        """
 
        returns absolute path to location where hooks are stored
 
        """
 
        loc = os.path.join(self.path, 'hooks')
 
        if not self.bare:
 
            loc = os.path.join(self.path, '.git', 'hooks')
 
        return loc
 

	
 
    @LazyProperty
 
    def name(self):
 
        return os.path.basename(self.path)
 

	
 
    @LazyProperty
 
    def last_change(self):
 
        """
 
        Returns last change made on this repository as datetime object
 
        """
 
        return date_fromtimestamp(self._get_mtime(), makedate()[1])
 

	
 
    def _get_mtime(self):
 
        try:
 
            return time.mktime(self.get_changeset().date.timetuple())
 
        except RepositoryError:
 
            idx_loc = '' if self.bare else '.git'
 
            # fallback to filesystem
 
            in_path = os.path.join(self.path, idx_loc, "index")
 
            he_path = os.path.join(self.path, idx_loc, "HEAD")
 
            if os.path.exists(in_path):
 
                return os.stat(in_path).st_mtime
 
            else:
 
                return os.stat(he_path).st_mtime
 

	
 
    @LazyProperty
 
    def description(self):
 
        undefined_description = u'unknown'
 
        _desc = self._repo.get_description()
 
        return safe_unicode(_desc or undefined_description)
 

	
 
    @LazyProperty
 
    def contact(self):
 
        undefined_contact = u'Unknown'
 
        return undefined_contact
 

	
 
    @property
 
    def branches(self):
 
        if not self.revisions:
 
            return {}
 
        sortkey = lambda ctx: ctx[0]
 
        _branches = [(x[0], x[1][0])
 
                     for x in self._parsed_refs.iteritems() if x[1][1] == 'H']
 
        return OrderedDict(sorted(_branches, key=sortkey, reverse=False))
 

	
 
    @LazyProperty
 
    def closed_branches(self):
 
        return {}
 

	
 
    @LazyProperty
 
    def tags(self):
 
        return self._get_tags()
 

	
 
    def _get_tags(self):
 
        if not self.revisions:
 
            return {}
 

	
 
        sortkey = lambda ctx: ctx[0]
 
        _tags = [(x[0], x[1][0])
 
                 for x in self._parsed_refs.iteritems() if x[1][1] == 'T']
 
        return OrderedDict(sorted(_tags, key=sortkey, reverse=True))
 

	
 
    def tag(self, name, user, revision=None, message=None, date=None,
 
            **kwargs):
 
        """
 
        Creates and returns a tag for the given ``revision``.
 

	
 
        :param name: name for new tag
 
        :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
 
        :param revision: changeset id for which new tag would be created
 
        :param message: message of the tag's commit
 
        :param date: date of tag's commit
 

	
 
        :raises TagAlreadyExistError: if tag with same name already exists
 
        """
 
        if name in self.tags:
 
            raise TagAlreadyExistError("Tag %s already exists" % name)
 
        changeset = self.get_changeset(revision)
 
        message = message or "Added tag %s for commit %s" % (name,
 
            changeset.raw_id)
 
        self._repo.refs["refs/tags/%s" % name] = changeset._commit.id
 

	
 
        self._parsed_refs = self._get_parsed_refs()
 
        self.tags = self._get_tags()
 
        return changeset
 

	
 
    def remove_tag(self, name, user, message=None, date=None):
 
        """
 
        Removes tag with the given ``name``.
 

	
 
        :param name: name of the tag to be removed
 
        :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
 
        :param message: message of the tag's removal commit
 
        :param date: date of tag's removal commit
 

	
 
        :raises TagDoesNotExistError: if tag with given name does not exists
 
        """
 
        if name not in self.tags:
 
            raise TagDoesNotExistError("Tag %s does not exist" % name)
 
        tagpath = posixpath.join(self._repo.refs.path, 'refs', 'tags', name)
 
        try:
 
            os.remove(tagpath)
 
            self._parsed_refs = self._get_parsed_refs()
 
            self.tags = self._get_tags()
 
        except OSError, e:
 
            raise RepositoryError(e.strerror)
 

	
 
    @LazyProperty
 
    def bookmarks(self):
 
        """
 
        Gets bookmarks for this repository
 
        """
 
        return {}
 

	
 
    @LazyProperty
 
    def _parsed_refs(self):
 
        return self._get_parsed_refs()
 

	
 
    def _get_parsed_refs(self):
 
        # cache the property
 
        _repo = self._repo
 
        refs = _repo.get_refs()
 
        keys = [('refs/heads/', 'H'),
 
                ('refs/remotes/origin/', 'RH'),
 
                ('refs/tags/', 'T')]
 
        _refs = {}
 
        for ref, sha in refs.iteritems():
 
            for k, type_ in keys:
 
                if ref.startswith(k):
 
                    _key = ref[len(k):]
 
                    if type_ == 'T':
 
                        obj = _repo.get_object(sha)
 
                        if isinstance(obj, Tag):
 
                            sha = _repo.get_object(sha).object[1]
 
                    _refs[_key] = [sha, type_]
 
                    break
 
        return _refs
 

	
 
    def _heads(self, reverse=False):
 
        refs = self._repo.get_refs()
 
        heads = {}
 

	
 
        for key, val in refs.items():
 
            for ref_key in ['refs/heads/', 'refs/remotes/origin/']:
 
                if key.startswith(ref_key):
 
                    n = key[len(ref_key):]
 
                    if n not in ['HEAD']:
 
                        heads[n] = val
 

	
 
        return heads if reverse else dict((y, x) for x, y in heads.iteritems())
 

	
 
    def get_changeset(self, revision=None):
 
        """
 
        Returns ``GitChangeset`` object representing commit from git repository
 
        at the given revision or head (most recent commit) if None given.
 
        """
 
        if isinstance(revision, GitChangeset):
 
            return revision
 
        revision = self._get_revision(revision)
 
        changeset = GitChangeset(repository=self, revision=revision)
 
        return changeset
 

	
 
    def get_changesets(self, start=None, end=None, start_date=None,
 
           end_date=None, branch_name=None, reverse=False):
 
        """
 
        Returns iterator of ``GitChangeset`` objects from start to end (both
 
        are inclusive), in ascending date order (unless ``reverse`` is set).
 

	
 
        :param start: changeset ID, as str; first returned changeset
kallithea/lib/vcs/backends/hg/changeset.py
Show inline comments
 
import os
 
import posixpath
 

	
 
from kallithea.lib.vcs.conf import settings
 
from kallithea.lib.vcs.backends.base import BaseChangeset
 
from kallithea.lib.vcs.exceptions import (
 
    ChangesetDoesNotExistError, ChangesetError, ImproperArchiveTypeError,
 
    NodeDoesNotExistError, VCSError
 
)
 
from kallithea.lib.vcs.nodes import (
 
    AddedFileNodesGenerator, ChangedFileNodesGenerator, DirNode, FileNode,
 
    NodeKind, RemovedFileNodesGenerator, RootNode, SubModuleNode
 
)
 
from kallithea.lib.vcs.utils import safe_str, safe_unicode, date_fromtimestamp
 
from kallithea.lib.vcs.utils.lazy import LazyProperty
 
from kallithea.lib.vcs.utils.paths import get_dirs_for_path
 
from kallithea.lib.vcs.utils.hgcompat import archival, hex
 

	
 

	
 
class MercurialChangeset(BaseChangeset):
 
    """
 
    Represents state of the repository at the single revision.
 
    """
 

	
 
    def __init__(self, repository, revision):
 
        self.repository = repository
 
        assert isinstance(revision, basestring), repr(revision)
 
        self.raw_id = revision
 
        self._ctx = repository._repo[revision]
 
        self.revision = self._ctx._rev
 
        self.nodes = {}
 

	
 
    @LazyProperty
 
    def tags(self):
 
        return map(safe_unicode, self._ctx.tags())
 

	
 
    @LazyProperty
 
    def branch(self):
 
        return  safe_unicode(self._ctx.branch())
 

	
 
    @LazyProperty
 
    def closesbranch(self):
 
        return  self._ctx.closesbranch()
 

	
 
    @LazyProperty
 
    def bookmarks(self):
 
        return map(safe_unicode, self._ctx.bookmarks())
 

	
 
    @LazyProperty
 
    def message(self):
 
        return safe_unicode(self._ctx.description())
 

	
 
    @LazyProperty
 
    def committer(self):
 
        return safe_unicode(self.author)
 

	
 
    @LazyProperty
 
    def author(self):
 
        return safe_unicode(self._ctx.user())
 

	
 
    @LazyProperty
 
    def date(self):
 
        return date_fromtimestamp(*self._ctx.date())
 

	
 
    @LazyProperty
 
    def _timestamp(self):
 
        return self._ctx.date()[0]
 

	
 
    @LazyProperty
 
    def status(self):
 
        """
 
        Returns modified, added, removed, deleted files for current changeset
 
        """
 
        return self.repository._repo.status(self._ctx.p1().node(),
 
                                            self._ctx.node())
 

	
 
    @LazyProperty
 
    def _file_paths(self):
 
        return list(self._ctx)
 

	
 
    @LazyProperty
 
    def _dir_paths(self):
 
        p = list(set(get_dirs_for_path(*self._file_paths)))
 
        p.insert(0, '')
 
        return p
 

	
 
    @LazyProperty
 
    def _paths(self):
 
        return self._dir_paths + self._file_paths
 

	
 
    @LazyProperty
 
    def id(self):
 
        if self.last:
 
            return u'tip'
 
        return self.short_id
 

	
 
    @LazyProperty
 
    def short_id(self):
 
        return self.raw_id[:12]
 

	
 
    @LazyProperty
 
    def parents(self):
 
        """
 
        Returns list of parents changesets.
 
        """
 
        return [self.repository.get_changeset(parent.rev())
 
                for parent in self._ctx.parents() if parent.rev() >= 0]
 

	
 
    @LazyProperty
 
    def children(self):
 
        """
 
        Returns list of children changesets.
 
        """
 
        return [self.repository.get_changeset(child.rev())
 
                for child in self._ctx.children() if child.rev() >= 0]
 

	
 
    def next(self, branch=None):
 

	
 
        if branch and self.branch != branch:
 
            raise VCSError('Branch option used on changeset not belonging '
 
                           'to that branch')
 

	
 
        def _next(changeset, branch):
 
            try:
 
                next_ = changeset.revision + 1
 
                next_rev = changeset.repository.revisions[next_]
 
            except IndexError:
 
                raise ChangesetDoesNotExistError
 
            cs = changeset.repository.get_changeset(next_rev)
 

	
 
            if branch and branch != cs.branch:
 
                return _next(cs, branch)
 

	
 
            return cs
 

	
 
        return _next(self, branch)
 

	
 
    def prev(self, branch=None):
 
        if branch and self.branch != branch:
 
            raise VCSError('Branch option used on changeset not belonging '
 
                           'to that branch')
 

	
 
        def _prev(changeset, branch):
 
            try:
 
                prev_ = changeset.revision - 1
 
                if prev_ < 0:
 
                    raise IndexError
 
                prev_rev = changeset.repository.revisions[prev_]
 
            except IndexError:
 
                raise ChangesetDoesNotExistError
 

	
 
            cs = changeset.repository.get_changeset(prev_rev)
 

	
 
            if branch and branch != cs.branch:
 
                return _prev(cs, branch)
 

	
 
            return cs
 

	
 
        return _prev(self, branch)
 

	
 
    def diff(self, ignore_whitespace=True, context=3):
 
        return ''.join(self._ctx.diff(git=True,
 
                                      ignore_whitespace=ignore_whitespace,
 
                                      context=context))
 

	
 
    def _fix_path(self, path):
 
        """
 
        Paths are stored without trailing slash so we need to get rid off it if
 
        needed. Also mercurial keeps filenodes as str so we need to decode
 
        from unicode to str
 
        """
 
        if path.endswith('/'):
 
            path = path.rstrip('/')
 

	
 
        return safe_str(path)
 

	
 
    def _get_kind(self, path):
 
        path = self._fix_path(path)
 
        if path in self._file_paths:
 
            return NodeKind.FILE
 
        elif path in self._dir_paths:
 
            return NodeKind.DIR
 
        else:
 
            raise ChangesetError("Node does not exist at the given path '%s'"
 
                % (path))
 

	
 
    def _get_filectx(self, path):
 
        path = self._fix_path(path)
 
        if self._get_kind(path) != NodeKind.FILE:
 
            raise ChangesetError("File does not exist for revision %s at "
 
                " '%s'" % (self.raw_id, path))
 
        return self._ctx.filectx(path)
 

	
 
    def _extract_submodules(self):
 
        """
 
        returns a dictionary with submodule information from substate file
 
        of hg repository
 
        """
 
        return self._ctx.substate
 

	
 
    def get_file_mode(self, path):
 
        """
 
        Returns stat mode of the file at the given ``path``.
 
        """
 
        fctx = self._get_filectx(path)
 
        if 'x' in fctx.flags():
 
            return 0100755
 
        else:
 
            return 0100644
 

	
 
    def get_file_content(self, path):
 
        """
 
        Returns content of the file at given ``path``.
 
        """
 
        fctx = self._get_filectx(path)
 
        return fctx.data()
 

	
 
    def get_file_size(self, path):
 
        """
kallithea/lib/vcs/backends/hg/repository.py
Show inline comments
 
@@ -260,338 +260,366 @@ class MercurialRepository(BaseRepository
 
        :param rev1: Entry point from which diff is shown. Can be
 
          ``self.EMPTY_CHANGESET`` - in this case, patch showing all
 
          the changes since empty state of the repository until ``rev2``
 
        :param rev2: Until which revision changes should be shown.
 
        :param ignore_whitespace: If set to ``True``, would not show whitespace
 
          changes. Defaults to ``False``.
 
        :param context: How many lines before/after changed lines should be
 
          shown. Defaults to ``3``.
 
        """
 
        if hasattr(rev1, 'raw_id'):
 
            rev1 = getattr(rev1, 'raw_id')
 

	
 
        if hasattr(rev2, 'raw_id'):
 
            rev2 = getattr(rev2, 'raw_id')
 

	
 
        # Check if given revisions are present at repository (may raise
 
        # ChangesetDoesNotExistError)
 
        if rev1 != self.EMPTY_CHANGESET:
 
            self.get_changeset(rev1)
 
        self.get_changeset(rev2)
 
        if path:
 
            file_filter = match(self.path, '', [path])
 
        else:
 
            file_filter = None
 

	
 
        return ''.join(patch.diff(self._repo, rev1, rev2, match=file_filter,
 
                          opts=diffopts(git=True,
 
                                        ignorews=ignore_whitespace,
 
                                        context=context)))
 

	
 
    @classmethod
 
    def _check_url(cls, url, repoui=None):
 
        """
 
        Function will check given url and try to verify if it's a valid
 
        link. Sometimes it may happened that mercurial will issue basic
 
        auth request that can cause whole API to hang when used from python
 
        or other external calls.
 

	
 
        On failures it'll raise urllib2.HTTPError, exception is also thrown
 
        when the return code is non 200
 
        """
 
        # check first if it's not an local url
 
        if os.path.isdir(url) or url.startswith('file:'):
 
            return True
 

	
 
        if '+' in url[:url.find('://')]:
 
            url = url[url.find('+') + 1:]
 

	
 
        handlers = []
 
        url_obj = hg_url(url)
 
        test_uri, authinfo = url_obj.authinfo()
 
        url_obj.passwd = '*****'
 
        cleaned_uri = str(url_obj)
 

	
 
        if authinfo:
 
            #create a password manager
 
            passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
 
            passmgr.add_password(*authinfo)
 

	
 
            handlers.extend((httpbasicauthhandler(passmgr),
 
                             httpdigestauthhandler(passmgr)))
 

	
 
        o = urllib2.build_opener(*handlers)
 
        o.addheaders = [('Content-Type', 'application/mercurial-0.1'),
 
                        ('Accept', 'application/mercurial-0.1')]
 

	
 
        q = {"cmd": 'between'}
 
        q.update({'pairs': "%s-%s" % ('0' * 40, '0' * 40)})
 
        qs = '?%s' % urllib.urlencode(q)
 
        cu = "%s%s" % (test_uri, qs)
 
        req = urllib2.Request(cu, None, {})
 

	
 
        try:
 
            resp = o.open(req)
 
            if resp.code != 200:
 
                raise Exception('Return Code is not 200')
 
        except Exception, e:
 
            # means it cannot be cloned
 
            raise urllib2.URLError("[%s] org_exc: %s" % (cleaned_uri, e))
 

	
 
        # now check if it's a proper hg repo
 
        try:
 
            repo_id = httppeer(repoui or ui.ui(), url).lookup('tip')
 
        except Exception, e:
 
            raise urllib2.URLError(
 
                "url [%s] does not look like an hg repo org_exc: %s"
 
                % (cleaned_uri, e))
 

	
 
        return True
 

	
 
    def _get_repo(self, create, src_url=None, update_after_clone=False):
 
        """
 
        Function will check for mercurial repository in given path and return
 
        a localrepo object. If there is no repository in that path it will
 
        raise an exception unless ``create`` parameter is set to True - in
 
        that case repository would be created and returned.
 
        If ``src_url`` is given, would try to clone repository from the
 
        location at given clone_point. Additionally it'll make update to
 
        working copy accordingly to ``update_after_clone`` flag
 
        """
 

	
 
        try:
 
            if src_url:
 
                url = str(self._get_url(src_url))
 
                opts = {}
 
                if not update_after_clone:
 
                    opts.update({'noupdate': True})
 
                try:
 
                    MercurialRepository._check_url(url, self.baseui)
 
                    clone(self.baseui, url, self.path, **opts)
 
#                except urllib2.URLError:
 
#                    raise Abort("Got HTTP 404 error")
 
                except Exception:
 
                    raise
 

	
 
                # Don't try to create if we've already cloned repo
 
                create = False
 
            return localrepository(self.baseui, self.path, create=create)
 
        except (Abort, RepoError), err:
 
            if create:
 
                msg = "Cannot create repository at %s. Original error was %s"\
 
                    % (self.path, err)
 
            else:
 
                msg = "Not valid repository at %s. Original error was %s"\
 
                    % (self.path, err)
 
            raise RepositoryError(msg)
 

	
 
    @LazyProperty
 
    def in_memory_changeset(self):
 
        return MercurialInMemoryChangeset(self)
 

	
 
    @LazyProperty
 
    def description(self):
 
        undefined_description = u'unknown'
 
        _desc = self._repo.ui.config('web', 'description', None, untrusted=True)
 
        return safe_unicode(_desc or undefined_description)
 

	
 
    @LazyProperty
 
    def contact(self):
 
        undefined_contact = u'Unknown'
 
        return safe_unicode(get_contact(self._repo.ui.config)
 
                            or undefined_contact)
 

	
 
    @LazyProperty
 
    def last_change(self):
 
        """
 
        Returns last change made on this repository as datetime object
 
        """
 
        return date_fromtimestamp(self._get_mtime(), makedate()[1])
 

	
 
    def _get_mtime(self):
 
        try:
 
            return time.mktime(self.get_changeset().date.timetuple())
 
        except RepositoryError:
 
            #fallback to filesystem
 
            cl_path = os.path.join(self.path, '.hg', "00changelog.i")
 
            st_path = os.path.join(self.path, '.hg', "store")
 
            if os.path.exists(cl_path):
 
                return os.stat(cl_path).st_mtime
 
            else:
 
                return os.stat(st_path).st_mtime
 

	
 
    def _get_hidden(self):
 
        return self._repo.ui.configbool("web", "hidden", untrusted=True)
 

	
 
    def _get_revision(self, revision):
 
        """
 
        Gets an ID revision given as str. This will always return a fill
 
        40 char revision number
 

	
 
        :param revision: str or int or None
 
        """
 
        if isinstance(revision, unicode):
 
            revision = safe_str(revision)
 

	
 
        if self._empty:
 
            raise EmptyRepositoryError("There are no changesets yet")
 

	
 
        if revision in [-1, 'tip', None]:
 
            revision = 'tip'
 

	
 
        try:
 
            revision = hex(self._repo.lookup(revision))
 
        except (LookupError, ):
 
            msg = ("Ambiguous identifier `%s` for %s" % (revision, self))
 
            raise ChangesetDoesNotExistError(msg)
 
        except (IndexError, ValueError, RepoLookupError, TypeError):
 
            msg = ("Revision %s does not exist for %s" % (revision, self))
 
            raise ChangesetDoesNotExistError(msg)
 

	
 
        return revision
 

	
 
    def get_ref_revision(self, ref_type, ref_name):
 
        """
 
        Returns revision number for the given reference.
 
        """
 
        # lookup up the exact node id
 
        _revset_predicates = {
 
                'branch': 'branch',
 
                'book': 'bookmark',
 
                'tag': 'tag',
 
                'rev': 'id',
 
            }
 
        rev_spec = "max(%s(%%s))" % _revset_predicates[ref_type]
 
        try:
 
            revs = self._repo.revs(rev_spec, safe_str(ref_name))
 
        except (LookupError, ):
 
            msg = ("Ambiguous identifier %s:%s for %s" % (ref_type, ref_name, self.name))
 
            raise ChangesetDoesNotExistError(msg)
 
        except (IndexError, ValueError, RepoLookupError, TypeError):
 
            msg = ("Revision %s:%s does not exist for %s" % (ref_type, ref_name, self.name))
 
            raise ChangesetDoesNotExistError(msg)
 
        if revs:
 
            revision = revs[-1]
 
        else:
 
            # TODO: just report 'not found'?
 
            revision = ref_name
 

	
 
        return self._get_revision(revision)
 

	
 
    def _get_archives(self, archive_name='tip'):
 
        allowed = self.baseui.configlist("web", "allow_archive",
 
                                         untrusted=True)
 
        for i in [('zip', '.zip'), ('gz', '.tar.gz'), ('bz2', '.tar.bz2')]:
 
            if i[0] in allowed or self._repo.ui.configbool("web",
 
                                                           "allow" + i[0],
 
                                                           untrusted=True):
 
                yield {"type": i[0], "extension": i[1], "node": archive_name}
 

	
 
    def _get_url(self, url):
 
        """
 
        Returns normalized url. If schema is not given, would fall
 
        to filesystem
 
        (``file:///``) schema.
 
        """
 
        url = str(url)
 
        if url != 'default' and not '://' in url:
 
            url = "file:" + urllib.pathname2url(url)
 
        return url
 

	
 
    def get_hook_location(self):
 
        """
 
        returns absolute path to location where hooks are stored
 
        """
 
        return os.path.join(self.path, '.hg', '.hgrc')
 

	
 
    def get_changeset(self, revision=None):
 
        """
 
        Returns ``MercurialChangeset`` object representing repository's
 
        changeset at the given ``revision``.
 
        """
 
        revision = self._get_revision(revision)
 
        changeset = MercurialChangeset(repository=self, revision=revision)
 
        return changeset
 

	
 
    def get_changesets(self, start=None, end=None, start_date=None,
 
                       end_date=None, branch_name=None, reverse=False):
 
        """
 
        Returns iterator of ``MercurialChangeset`` objects from start to end
 
        (both are inclusive)
 

	
 
        :param start: None, str, int or mercurial lookup format
 
        :param end:  None, str, int or mercurial lookup format
 
        :param start_date:
 
        :param end_date:
 
        :param branch_name:
 
        :param reversed: return changesets in reversed order
 
        """
 

	
 
        start_raw_id = self._get_revision(start)
 
        start_pos = self.revisions.index(start_raw_id) if start else None
 
        end_raw_id = self._get_revision(end)
 
        end_pos = self.revisions.index(end_raw_id) if end else None
 

	
 
        if None not in [start, end] and start_pos > end_pos:
 
            raise RepositoryError("Start revision '%s' cannot be "
 
                                  "after end revision '%s'" % (start, end))
 

	
 
        if branch_name and branch_name not in self.allbranches.keys():
 
            msg = ("Branch %s not found in %s" % (branch_name, self))
 
            raise BranchDoesNotExistError(msg)
 
        if end_pos is not None:
 
            end_pos += 1
 
        #filter branches
 
        filter_ = []
 
        if branch_name:
 
            filter_.append('branch("%s")' % (branch_name))
 

	
 
        if start_date and not end_date:
 
            filter_.append('date(">%s")' % start_date)
 
        if end_date and not start_date:
 
            filter_.append('date("<%s")' % end_date)
 
        if start_date and end_date:
 
            filter_.append('date(">%s") and date("<%s")' % (start_date, end_date))
 
        if filter_:
 
            revisions = scmutil.revrange(self._repo, filter_)
 
        else:
 
            revisions = self.revisions
 

	
 
        revs = revisions[start_pos:end_pos]
 
        if reverse:
 
            revs = reversed(revs)
 

	
 
        return CollectionGenerator(self, revs)
 

	
 
    def pull(self, url):
 
        """
 
        Tries to pull changes from external location.
 
        """
 
        url = self._get_url(url)
 
        try:
 
            other = peer(self._repo, {}, url)
 
            self._repo.pull(other, heads=None, force=None)
 
        except Abort, err:
 
            # Propagate error but with vcs's type
 
            raise RepositoryError(str(err))
 

	
 
    @LazyProperty
 
    def workdir(self):
 
        """
 
        Returns ``Workdir`` instance for this repository.
 
        """
 
        return MercurialWorkdir(self)
 

	
 
    def get_config_value(self, section, name=None, config_file=None):
 
        """
 
        Returns configuration value for a given [``section``] and ``name``.
 

	
 
        :param section: Section we want to retrieve value from
 
        :param name: Name of configuration we want to retrieve
 
        :param config_file: A path to file which should be used to retrieve
 
          configuration from (might also be a list of file paths)
 
        """
 
        if config_file is None:
 
            config_file = []
 
        elif isinstance(config_file, basestring):
 
            config_file = [config_file]
 

	
 
        config = self._repo.ui
 
        for path in config_file:
 
            config.readconfig(path)
 
        return config.config(section, name)
 

	
 
    def get_user_name(self, config_file=None):
 
        """
 
        Returns user's name from global configuration file.
 

	
 
        :param config_file: A path to file which should be used to retrieve
 
          configuration from (might also be a list of file paths)
 
        """
 
        username = self.get_config_value('ui', 'username')
 
        if username:
 
            return author_name(username)
 
        return None
 

	
 
    def get_user_email(self, config_file=None):
 
        """
 
        Returns user's email from global configuration file.
 

	
 
        :param config_file: A path to file which should be used to retrieve
 
          configuration from (might also be a list of file paths)
 
        """
 
        username = self.get_config_value('ui', 'username')
 
        if username:
 
            return author_email(username)
 
        return None
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