:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

from tg import request, session, tmpl_context as c

from tg.i18n import ugettext as _

from webob.exc import HTTPFound, HTTPNotFound, HTTPBadRequest

import kallithea.lib.helpers as h

from kallithea.config.routing import url

from kallithea.lib.auth import LoginRequired, HasRepoPermissionLevelDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.graphmod import graph_data

from kallithea.lib.page import RepoPage

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

    ChangesetError, NodeDoesNotExistError, EmptyRepositoryError

from kallithea.lib.utils2 import safe_int, safe_str

log = logging.getLogger(__name__)

class ChangelogController(BaseRepoController):

    def _before(self, *args, **kwargs):

        super(ChangelogController, self)._before(*args, **kwargs)

        c.affected_files_cut_off = 60

    @staticmethod

    def __get_cs(rev, repo):

        """

        Safe way to get changeset. If error occur fail with error message.

        :param rev: revision to fetch

        :param repo: repo instance

        """

        try:

            return c.db_repo_scm_instance.get_changeset(rev)

        except EmptyRepositoryError as e:

            h.flash(h.literal(_('There are no changesets yet')),

                    category='error')

        except RepositoryError as e:

            log.error(traceback.format_exc())

            h.flash(safe_str(e), category='error')

        raise HTTPBadRequest()

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 18, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import traceback

import calendar

import logging

import itertools

from time import mktime

from datetime import timedelta, date

from tg import tmpl_context as c, request

from tg.i18n import ugettext as _

from webob.exc import HTTPBadRequest

from beaker.cache import cache_region, region_invalidate

from kallithea.lib.vcs.exceptions import ChangesetError, EmptyRepositoryError, \

    NodeDoesNotExistError

from kallithea.config.conf import ALL_READMES, ALL_EXTS, LANGUAGES_EXTENSIONS_MAP

from kallithea.model.db import Statistics, CacheInvalidation, User

from kallithea.lib.auth import LoginRequired, HasRepoPermissionLevelDecorator, \

    NotAnonymous

from kallithea.lib.base import BaseRepoController, render, jsonify

from kallithea.lib.vcs.backends.base import EmptyChangeset

from kallithea.lib.markup_renderer import MarkupRenderer

from kallithea.lib.celerylib.tasks import get_commits_stats

from kallithea.lib.compat import json

from kallithea.lib.vcs.nodes import FileNode

log = logging.getLogger(__name__)

README_FILES = [''.join([x[0][0], x[1][0]]) for x in

                    sorted(list(itertools.product(ALL_READMES, ALL_EXTS)),

                           key=lambda y:y[0][1] + y[1][1])]

class SummaryController(BaseRepoController):

    def __get_readme_data(self, db_repo):

        repo_name = db_repo.repo_name

        log.debug('Looking for README file')

        @cache_region('long_term', '_get_readme_from_cache')

        def _get_readme_from_cache(key, kind):

            readme_data = None

            readme_file = None

            try:

                # gets the landing revision! or tip if fails

                cs = db_repo.get_landing_changeset()

                if isinstance(cs, EmptyChangeset):

                    raise EmptyRepositoryError()

                renderer = MarkupRenderer()

                        log.debug('Found README file `%s` rendering...',

                                  readme_file)

                        readme_data = renderer.render(readme.content,

                                                      filename=f)

                        break

                    except NodeDoesNotExistError:

                        continue

            except ChangesetError:

                log.error(traceback.format_exc())

                pass

            except EmptyRepositoryError:

                pass

            return readme_data, readme_file

        kind = 'README'

        valid = CacheInvalidation.test_and_set_valid(repo_name, kind)

        if not valid:

            region_invalidate(_get_readme_from_cache, None, '_get_readme_from_cache', repo_name, kind)

        return _get_readme_from_cache(repo_name, kind)

    @LoginRequired()

    @HasRepoPermissionLevelDecorator('read')

    def index(self, repo_name):

        if request.authuser.is_default_user:

            username = ''

        else:

            username = safe_str(request.authuser.username)

        _def_clone_uri = _def_clone_uri_by_id = c.clone_uri_tmpl

        if '{repo}' in _def_clone_uri:

            _def_clone_uri_by_id = _def_clone_uri.replace('{repo}', '_{repoid}')

        elif '{repoid}' in _def_clone_uri:

            _def_clone_uri_by_id = _def_clone_uri.replace('_{repoid}', '{repo}')

        c.clone_repo_url = c.db_repo.clone_url(user=username,

                                                uri_tmpl=_def_clone_uri)

        c.clone_repo_url_id = c.db_repo.clone_url(user=username,

                                                uri_tmpl=_def_clone_uri_by_id)

        if c.db_repo.enable_statistics:

            c.show_stats = True

        else:

            c.show_stats = False

        stats = Statistics.query() \

            .filter(Statistics.repository == c.db_repo) \