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import os
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import time
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import datetime
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import urllib
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import urllib2
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from rhodecode.lib.vcs.backends.base import BaseRepository
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from .workdir import MercurialWorkdir
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from .changeset import MercurialChangeset
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from .inmemory import MercurialInMemoryChangeset
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from rhodecode.lib.vcs.exceptions import BranchDoesNotExistError, \
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ChangesetDoesNotExistError, EmptyRepositoryError, RepositoryError, \
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VCSError, TagAlreadyExistError, TagDoesNotExistError
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from rhodecode.lib.vcs.utils import author_email, author_name, date_fromtimestamp, \
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makedate, safe_unicode
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from rhodecode.lib.vcs.utils.lazy import LazyProperty
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from rhodecode.lib.vcs.utils.ordered_dict import OrderedDict
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from rhodecode.lib.vcs.utils.paths import abspath
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from rhodecode.lib.vcs.utils.hgcompat import ui, nullid, match, patch, diffopts, clone, \
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get_contact, pull, localrepository, RepoLookupError, Abort, RepoError, hex
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class MercurialRepository(BaseRepository):
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"""
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Mercurial repository backend
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"""
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DEFAULT_BRANCH_NAME = 'default'
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scm = 'hg'
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def __init__(self, repo_path, create=False, baseui=None, src_url=None,
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update_after_clone=False):
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"""
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Raises RepositoryError if repository could not be find at the given
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``repo_path``.
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:param repo_path: local path of the repository
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:param create=False: if set to True, would try to create repository if
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it does not exist rather than raising exception
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:param baseui=None: user data
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:param src_url=None: would try to clone repository from given location
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:param update_after_clone=False: sets update of working copy after
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making a clone
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"""
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if not isinstance(repo_path, str):
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raise VCSError('Mercurial backend requires repository path to '
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'be instance of <str> got %s instead' %
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type(repo_path))
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self.path = abspath(repo_path)
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self.baseui = baseui or ui.ui()
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# We've set path and ui, now we can set _repo itself
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self._repo = self._get_repo(create, src_url, update_after_clone)
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@property
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def _empty(self):
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"""
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Checks if repository is empty without any changesets
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"""
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# TODO: Following raises errors when using InMemoryChangeset...
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# return len(self._repo.changelog) == 0
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return len(self.revisions) == 0
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@LazyProperty
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def revisions(self):
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"""
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Returns list of revisions' ids, in ascending order. Being lazy
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attribute allows external tools to inject shas from cache.
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"""
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return self._get_all_revisions()
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@LazyProperty
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def name(self):
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return os.path.basename(self.path)
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@LazyProperty
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def branches(self):
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return self._get_branches()
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def _get_branches(self, closed=False):
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"""
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Get's branches for this repository
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Returns only not closed branches by default
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:param closed: return also closed branches for mercurial
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"""
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if self._empty:
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return {}
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def _branchtags(localrepo):
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"""
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Patched version of mercurial branchtags to not return the closed
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branches
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:param localrepo: locarepository instance
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"""
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bt = {}
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bt_closed = {}
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for bn, heads in localrepo.branchmap().iteritems():
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tip = heads[-1]
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if 'close' in localrepo.changelog.read(tip)[5]:
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bt_closed[bn] = tip
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else:
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bt[bn] = tip
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if closed:
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bt.update(bt_closed)
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return bt
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sortkey = lambda ctx: ctx[0] # sort by name
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_branches = [(safe_unicode(n), hex(h),) for n, h in
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_branchtags(self._repo).items()]
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return OrderedDict(sorted(_branches, key=sortkey, reverse=False))
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@LazyProperty
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def tags(self):
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"""
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Get's tags for this repository
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"""
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return self._get_tags()
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def _get_tags(self):
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if self._empty:
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return {}
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sortkey = lambda ctx: ctx[0] # sort by name
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_tags = [(safe_unicode(n), hex(h),) for n, h in
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self._repo.tags().items()]
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return OrderedDict(sorted(_tags, key=sortkey, reverse=True))
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def tag(self, name, user, revision=None, message=None, date=None,
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**kwargs):
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"""
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Creates and returns a tag for the given ``revision``.
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:param name: name for new tag
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:param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
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:param revision: changeset id for which new tag would be created
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:param message: message of the tag's commit
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:param date: date of tag's commit
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:raises TagAlreadyExistError: if tag with same name already exists
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"""
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if name in self.tags:
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raise TagAlreadyExistError("Tag %s already exists" % name)
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changeset = self.get_changeset(revision)
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local = kwargs.setdefault('local', False)
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if message is None:
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message = "Added tag %s for changeset %s" % (name,
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changeset.short_id)
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if date is None:
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date = datetime.datetime.now().ctime()
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try:
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self._repo.tag(name, changeset._ctx.node(), message, local, user,
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date)
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except Abort, e:
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raise RepositoryError(e.message)
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# Reinitialize tags
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self.tags = self._get_tags()
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tag_id = self.tags[name]
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return self.get_changeset(revision=tag_id)
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def remove_tag(self, name, user, message=None, date=None):
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"""
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Removes tag with the given ``name``.
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:param name: name of the tag to be removed
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:param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
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:param message: message of the tag's removal commit
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:param date: date of tag's removal commit
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:raises TagDoesNotExistError: if tag with given name does not exists
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"""
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if name not in self.tags:
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raise TagDoesNotExistError("Tag %s does not exist" % name)
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if message is None:
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message = "Removed tag %s" % name
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if date is None:
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date = datetime.datetime.now().ctime()
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local = False
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try:
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self._repo.tag(name, nullid, message, local, user, date)
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self.tags = self._get_tags()
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except Abort, e:
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raise RepositoryError(e.message)
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@LazyProperty
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def bookmarks(self):
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"""
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Get's bookmarks for this repository
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"""
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return self._get_bookmarks()
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def _get_bookmarks(self):
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if self._empty:
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return {}
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sortkey = lambda ctx: ctx[0] # sort by name
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_bookmarks = [(safe_unicode(n), hex(h),) for n, h in
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self._repo._bookmarks.items()]
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return OrderedDict(sorted(_bookmarks, key=sortkey, reverse=True))
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def _get_all_revisions(self):
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return map(lambda x: hex(x[7]), self._repo.changelog.index)[:-1]
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def get_diff(self, rev1, rev2, path='', ignore_whitespace=False,
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context=3):
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"""
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Returns (git like) *diff*, as plain text. Shows changes introduced by
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``rev2`` since ``rev1``.
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:param rev1: Entry point from which diff is shown. Can be
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``self.EMPTY_CHANGESET`` - in this case, patch showing all
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the changes since empty state of the repository until ``rev2``
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:param rev2: Until which revision changes should be shown.
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:param ignore_whitespace: If set to ``True``, would not show whitespace
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changes. Defaults to ``False``.
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:param context: How many lines before/after changed lines should be
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shown. Defaults to ``3``.
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"""
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if hasattr(rev1, 'raw_id'):
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rev1 = getattr(rev1, 'raw_id')
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if hasattr(rev2, 'raw_id'):
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rev2 = getattr(rev2, 'raw_id')
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# Check if given revisions are present at repository (may raise
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# ChangesetDoesNotExistError)
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if rev1 != self.EMPTY_CHANGESET:
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self.get_changeset(rev1)
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self.get_changeset(rev2)
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if path:
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file_filter = match(self.path, '', [path])
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else:
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file_filter = None
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return ''.join(patch.diff(self._repo, rev1, rev2, match=file_filter,
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opts=diffopts(git=True,
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ignorews=ignore_whitespace,
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context=context)))
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@classmethod
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def _check_url(cls, url):
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"""
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Function will check given url and try to verify if it's a valid
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link. Sometimes it may happened that mercurial will issue basic
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auth request that can cause whole API to hang when used from python
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or other external calls.
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On failures it'll raise urllib2.HTTPError, return code 200 if url
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is valid or True if it's a local path
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"""
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from mercurial.util import url as Url
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# those authnadlers are patched for python 2.6.5 bug an
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# infinit looping when given invalid resources
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from mercurial.url import httpbasicauthhandler, httpdigestauthhandler
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# check first if it's not an local url
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if os.path.isdir(url) or url.startswith('file:'):
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return True
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if('+' in url[:url.find('://')]):
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url = url[url.find('+') + 1:]
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handlers = []
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test_uri, authinfo = Url(url).authinfo()
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if authinfo:
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#create a password manager
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passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
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passmgr.add_password(*authinfo)
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handlers.extend((httpbasicauthhandler(passmgr),
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httpdigestauthhandler(passmgr)))
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o = urllib2.build_opener(*handlers)
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o.addheaders = [('Content-Type', 'application/mercurial-0.1'),
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('Accept', 'application/mercurial-0.1')]
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q = {"cmd": 'between'}
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q.update({'pairs': "%s-%s" % ('0' * 40, '0' * 40)})
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qs = '?%s' % urllib.urlencode(q)
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cu = "%s%s" % (test_uri, qs)
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req = urllib2.Request(cu, None, {})
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try:
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resp = o.open(req)
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return resp.code == 200
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except Exception, e:
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# means it cannot be cloned
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raise urllib2.URLError("[%s] %s" % (url, e))
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def _get_repo(self, create, src_url=None, update_after_clone=False):
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"""
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Function will check for mercurial repository in given path and return
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a localrepo object. If there is no repository in that path it will
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raise an exception unless ``create`` parameter is set to True - in
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that case repository would be created and returned.
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If ``src_url`` is given, would try to clone repository from the
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location at given clone_point. Additionally it'll make update to
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working copy accordingly to ``update_after_clone`` flag
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"""
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try:
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if src_url:
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url = str(self._get_url(src_url))
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opts = {}
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if not update_after_clone:
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opts.update({'noupdate': True})
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try:
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MercurialRepository._check_url(url)
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clone(self.baseui, url, self.path, **opts)
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# except urllib2.URLError:
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# raise Abort("Got HTTP 404 error")
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except Exception:
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raise
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# Don't try to create if we've already cloned repo
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create = False
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return localrepository(self.baseui, self.path, create=create)
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except (Abort, RepoError), err:
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if create:
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msg = "Cannot create repository at %s. Original error was %s"\
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% (self.path, err)
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else:
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msg = "Not valid repository at %s. Original error was %s"\
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% (self.path, err)
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raise RepositoryError(msg)
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@LazyProperty
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def in_memory_changeset(self):
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return MercurialInMemoryChangeset(self)
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@LazyProperty
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def description(self):
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undefined_description = u'unknown'
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return safe_unicode(self._repo.ui.config('web', 'description',
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undefined_description, untrusted=True))
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@LazyProperty
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def contact(self):
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undefined_contact = u'Unknown'
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return safe_unicode(get_contact(self._repo.ui.config)
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or undefined_contact)
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@LazyProperty
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def last_change(self):
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"""
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Returns last change made on this repository as datetime object
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"""
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return date_fromtimestamp(self._get_mtime(), makedate()[1])
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def _get_mtime(self):
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try:
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return time.mktime(self.get_changeset().date.timetuple())
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except RepositoryError:
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#fallback to filesystem
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cl_path = os.path.join(self.path, '.hg', "00changelog.i")
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st_path = os.path.join(self.path, '.hg', "store")
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if os.path.exists(cl_path):
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return os.stat(cl_path).st_mtime
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else:
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return os.stat(st_path).st_mtime
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def _get_hidden(self):
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return self._repo.ui.configbool("web", "hidden", untrusted=True)
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def _get_revision(self, revision):
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"""
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Get's an ID revision given as str. This will always return a fill
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40 char revision number
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:param revision: str or int or None
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"""
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if self._empty:
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raise EmptyRepositoryError("There are no changesets yet")
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if revision in [-1, 'tip', None]:
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revision = 'tip'
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try:
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revision = hex(self._repo.lookup(revision))
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except (IndexError, ValueError, RepoLookupError, TypeError):
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raise ChangesetDoesNotExistError("Revision %r does not "
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"exist for this repository %s" \
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% (revision, self))
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return revision
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def _get_archives(self, archive_name='tip'):
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allowed = self.baseui.configlist("web", "allow_archive",
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untrusted=True)
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for i in [('zip', '.zip'), ('gz', '.tar.gz'), ('bz2', '.tar.bz2')]:
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if i[0] in allowed or self._repo.ui.configbool("web",
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"allow" + i[0],
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untrusted=True):
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yield {"type": i[0], "extension": i[1], "node": archive_name}
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def _get_url(self, url):
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"""
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Returns normalized url. If schema is not given, would fall
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to filesystem
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(``file:///``) schema.
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"""
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|
url = str(url)
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|
if url != 'default' and not '://' in url:
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url = "file:" + urllib.pathname2url(url)
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return url
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|
def get_changeset(self, revision=None):
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|
"""
|
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|
Returns ``MercurialChangeset`` object representing repository's
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changeset at the given ``revision``.
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"""
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|
revision = self._get_revision(revision)
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|
changeset = MercurialChangeset(repository=self, revision=revision)
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return changeset
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|
def get_changesets(self, start=None, end=None, start_date=None,
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|
end_date=None, branch_name=None, reverse=False):
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|
"""
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|
|
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.branches.keys():
|
|
|
raise BranchDoesNotExistError('Such branch %s does not exists for'
|
|
|
' this repository' % branch_name)
|
|
|
if end_pos is not None:
|
|
|
end_pos += 1
|
|
|
|
|
|
slice_ = reversed(self.revisions[start_pos:end_pos]) if reverse else \
|
|
|
self.revisions[start_pos:end_pos]
|
|
|
|
|
|
for id_ in slice_:
|
|
|
cs = self.get_changeset(id_)
|
|
|
if branch_name and cs.branch != branch_name:
|
|
|
continue
|
|
|
if start_date and cs.date < start_date:
|
|
|
continue
|
|
|
if end_date and cs.date > end_date:
|
|
|
continue
|
|
|
|
|
|
yield cs
|
|
|
|
|
|
def pull(self, url):
|
|
|
"""
|
|
|
Tries to pull changes from external location.
|
|
|
"""
|
|
|
url = self._get_url(url)
|
|
|
try:
|
|
|
pull(self.baseui, self._repo, url)
|
|
|
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, 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
|
|
|
|
