-# -*- encoding: utf-8 -*-
-
-__author__ = "Łukasz Rekucki"
-__date__ = "$2009-09-25 09:35:06$"
-__doc__ = "Module documentation."
-
-import wlrepo
-import mercurial.error
-
-class MercurialDocument(wlrepo.Document):
-
- def data(self, entry):
- path = self._library._sanitize_string(self.id + u'.' + entry)
- try:
- return self._library._filectx(path, \
- self._revision.hgrev()).data().decode('utf-8')
- except mercurial.error.LookupError, e:
- fl = [x.decode('utf-8') for x in self._revision._changectx]
- raise wlrepo.EntryNotFound(self._revision, path.decode('utf-8'), fl)
-
- def quickwrite(self, entry, data, msg, user=None):
- user = user or self.owner
-
- if isinstance(data, unicode):
- data = data.encode('utf-8')
-
- user = self._library._sanitize_string(user)
- msg = self._library._sanitize_string(msg)
- entry = self._library._sanitize_string(entry)
-
- if user is None:
- raise ValueError("Can't determine user.")
-
- def write(l, r):
- f = l._fileopen(r(entry), "w+")
- f.write(data)
- f.close()
- l._fileadd(r(entry))
-
- return self.invoke_and_commit(write, lambda d: (msg, \
- self._library._sanitize_string(self.owner)) )
-
- def invoke_and_commit(self, ops, commit_info):
- lock = self._library.lock()
- try:
- self._library._checkout(self._revision.hgrev())
-
- def entry_path(entry):
- return self._library._sanitize_string(self.id + u'.' + entry)
-
- ops(self._library, entry_path)
- message, user = commit_info(self)
-
- message = self._library._sanitize_string(message)
- user = self._library._sanitize_string(user)
-
- self._library._commit(message, user)
- try:
- return self._library.document(docid=self.id, user=user)
- except Exception, e:
- # rollback the last commit
- self._library._rollback()
- raise e
- finally:
- lock.release()
-
- # def commit(self, message, user):
- # """Make a new commit."""
- # self.invoke_and_commit(message, user, lambda *a: True)
-
- def ismain(self):
- return self._revision.user_name is None
-
- def shared(self):
- if self.ismain():
- return self
-
- return self._library.document(docid=self.id)
-
- def latest(self):
- return self._library.document(docid=self.id, user=self.owner)
-
- def take(self, user):
- fullid = self._library.fulldocid(self.id, user)
-
- def take_action(library, resolve):
- # branch from latest
- library._create_branch(fullid, parent=self._revision)
-
- if not self._library.has_revision(fullid):
- self.invoke_and_commit(take_action, \
- lambda d: ("$AUTO$ File checkout.", user) )
-
- return self._library.document_for_rev(fullid)
-
- def update(self, user):
- """Update parts of the document."""
- lock = self.library.lock()
- try:
- if self.ismain():
- # main revision of the document
- return (True, False)
-
- if self._revision.has_children():
- print 'Update failed: has children.'
- # can't update non-latest revision
- return (False, False)
-
- sv = self.shared()
-
- if self.parentof(sv):
- return (True, False)
-
- if sv.ancestorof(self):
- return (True, False)
-
-
- return self._revision.merge_with(sv._revision, user=user)
- finally:
- lock.release()
-
- def share(self, message):
- lock = self.library.lock()
- try:
- if self.ismain():
- return (True, False) # always shared
-
- user = self._revision.user_name
- main = self.shared()._revision
- local = self._revision
-
- # Case 1:
- # * local
- # |
- # * <- can also be here!
- # /|
- # / |
- # main * *
- # | |
- # The local branch has been recently updated,
- # so we don't need to update yet again, but we need to
- # merge down to default branch, even if there was
- # no commit's since last update
-
- if main.ancestorof(local):
- print "case 1"
- success, changed = main.merge_with(local, user=user, message=message)
- # Case 2:
- #
- # main * * local
- # |\ |
- # | \|
- # | *
- # | |
- #
- # Default has no changes, to update from this branch
- # since the last merge of local to default.
- elif local.has_common_ancestor(main):
- print "case 2"
- if not local.parentof(main):
- success, changed = main.merge_with(local, user=user, message=message)
-
- # Case 3:
- # main *
- # |
- # * <- this case overlaps with previos one
- # |\
- # | \
- # | * local
- # | |
- #
- # There was a recent merge to the defaul branch and
- # no changes to local branch recently.
- #
- # Use the fact, that user is prepared to see changes, to
- # update his branch if there are any
- elif local.ancestorof(main):
- print "case 3"
- if not local.parentof(main):
- success, changed = local.merge_with(main, user=user, \
- message='$AUTO$ Local branch update during share.')
-
- else:
- print "case 4"
- success, changed = local.merge_with(main, user=user, \
- message='$AUTO$ Local branch update during share.')
-
- if not success:
- return False
-
- if changed:
- local = local.latest()
-
- success, changed = main.merge_with(local, user=user,\
- message=message)
-
- return success, changed
- finally:
- lock.release()
-
- def __unicode__(self):
- return u"Document(%s:%s)" % (self.name, self.owner)
-
- def __str__(self):
- return self.__unicode__().encode('utf-8')
-
- def __eq__(self, other):
- return (self._revision == other._revision) and (self.name == other.name)
-
fnp / redakcja.git / blobdiff