Changeset - 58905069da21
[Not reviewed]
beta
0 4 0
Marcin Kuzminski - 13 years ago 2013-03-07 13:46:24
marcin@python-works.com
Speed up of last_changeset extraction in VCS, in edge cases for git we can get 10x speed improvement by limiting the history extraction if we only need last changeset
4 files changed with 28 insertions and 18 deletions:
0 comments (0 inline, 0 general)
rhodecode/lib/vcs/backends/base.py
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@@ -20,6 +20,7 @@ from rhodecode.lib.vcs.exceptions import
 
    NodeAlreadyAddedError, NodeAlreadyChangedError, NodeAlreadyExistsError, \
 
    NodeAlreadyRemovedError, NodeDoesNotExistError, NodeNotChangedError, \
 
    RepositoryError
 
import datetime
 

	
 

	
 
class BaseRepository(object):
 
@@ -980,12 +981,12 @@ class EmptyChangeset(BaseChangeset):
 
    """
 

	
 
    def __init__(self, cs='0' * 40, repo=None, requested_revision=None,
 
                 alias=None, revision=-1, message='', author='', date=''):
 
                 alias=None, revision=-1, message='', author='', date=None):
 
        self._empty_cs = cs
 
        self.revision = revision
 
        self.message = message
 
        self.author = author
 
        self.date = date
 
        self.date = date or datetime.datetime.fromtimestamp(0)
 
        self.repository = repo
 
        self.requested_revision = requested_revision
 
        self.alias = alias
rhodecode/lib/vcs/backends/git/changeset.py
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@@ -17,6 +17,7 @@ from rhodecode.lib.vcs.nodes import File
 
from rhodecode.lib.vcs.utils import safe_unicode
 
from rhodecode.lib.vcs.utils import date_fromtimestamp
 
from rhodecode.lib.vcs.utils.lazy import LazyProperty
 
from rhodecode.lib.utils2 import safe_int
 

	
 

	
 
class GitChangeset(BaseChangeset):
 
@@ -275,10 +276,9 @@ class GitChangeset(BaseChangeset):
 
        """
 
        Returns last commit of the file at the given ``path``.
 
        """
 
        node = self.get_node(path)
 
        return node.history[0]
 
        return self.get_file_history(path, limit=1)[0]
 

	
 
    def get_file_history(self, path):
 
    def get_file_history(self, path, limit=None):
 
        """
 
        Returns history of file as reversed list of ``Changeset`` objects for
 
        which file at given ``path`` has been modified.
 
@@ -287,11 +287,16 @@ class GitChangeset(BaseChangeset):
 
        which is generally not good. Should be replaced with algorithm
 
        iterating commits.
 
        """
 

	
 
        self._get_filectx(path)
 

	
 
        cmd = 'log --pretty="format: %%H" -s -p %s -- "%s"' % (
 
                  self.id, path
 
               )
 
        if limit:
 
            cmd = 'log -n %s --pretty="format: %%H" -s -p %s -- "%s"' % (
 
                      safe_int(limit, 0), self.id, path
 
                   )
 
        else:
 
            cmd = 'log --pretty="format: %%H" -s -p %s -- "%s"' % (
 
                      self.id, path
 
                   )
 
        so, se = self.repository.run_git_command(cmd)
 
        ids = re.findall(r'[0-9a-fA-F]{40}', so)
 
        return [self.repository.get_changeset(id) for id in ids]
rhodecode/lib/vcs/backends/hg/changeset.py
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@@ -219,19 +219,23 @@ class MercurialChangeset(BaseChangeset):
 
        """
 
        Returns last commit of the file at the given ``path``.
 
        """
 
        node = self.get_node(path)
 
        return node.history[0]
 
        return self.get_file_history(path, limit=1)[0]
 

	
 
    def get_file_history(self, path):
 
    def get_file_history(self, path, limit=None):
 
        """
 
        Returns history of file as reversed list of ``Changeset`` objects for
 
        which file at given ``path`` has been modified.
 
        """
 
        fctx = self._get_filectx(path)
 
        nodes = [fctx.filectx(x).node() for x in fctx.filelog()]
 
        changesets = [self.repository.get_changeset(hex(node))
 
            for node in reversed(nodes)]
 
        return changesets
 
        hist = []
 
        cnt = 0
 
        for cs in reversed([x for x in fctx.filelog()]):
 
            cnt += 1
 
            hist.append(hex(fctx.filectx(cs).node()))
 
            if limit and cnt == limit:
 
                break
 

	
 
        return [self.repository.get_changeset(node) for node in hist]
 

	
 
    def get_file_annotate(self, path):
 
        """
rhodecode/templates/files/files_browser.html
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@@ -89,8 +89,8 @@
 
                     <td>
 
                         %if node.is_file():
 
                             <div class="tooltip" title="${h.tooltip(node.last_changeset.message)}">
 
                             <pre>${'r%s:%s' % (node.last_changeset.revision,node.last_changeset.short_id)}</pre>
 
                            </div>
 
                              <pre>${'r%s:%s' % (node.last_changeset.revision,node.last_changeset.short_id)}</pre>
 
                             </div>
 
                         %endif
 
                     </td>
 
                     <td>
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