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class LaunchpadBranch(object):
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"""Provide bzr and lp API access to a Launchpad branch."""
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def __init__(self, lp_branch, bzr_url, bzr_branch=None, check_update=True):
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:param lp_branch: The Launchpad branch.
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:param bzr_url: The URL of the Bazaar branch.
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:param bzr_branch: An instance of the Bazaar branch.
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self.bzr_url = bzr_url
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self._bzr = bzr_branch
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self._push_bzr = None
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self._check_update = check_update
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"""Return the bzr branch for this branch."""
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if self._bzr is None:
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self._bzr = branch.Branch.open(self.bzr_url)
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"""Return the push branch for this branch."""
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if self._push_bzr is None:
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self._push_bzr = branch.Branch.open(self.lp.bzr_identity)
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return self._push_bzr
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def plausible_launchpad_url(url):
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"""Is 'url' something that could conceivably be pushed to LP?
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:param url: A URL that may refer to a Launchpad branch.
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if url.startswith('lp:'):
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regex = re.compile('([a-z]*\+)*(bzr\+ssh|http)'
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'://bazaar.*.launchpad.net')
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return bool(regex.match(url))
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def candidate_urls(bzr_branch):
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"""Iterate through related URLs that might be Launchpad URLs.
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:param bzr_branch: A Bazaar branch to find URLs from.
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:return: a generator of URL strings.
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url = bzr_branch.get_public_branch()
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url = bzr_branch.get_push_location()
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yield bzr_branch.base
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def tweak_url(url, launchpad):
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"""Adjust a URL to work with staging, if needed."""
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if str(launchpad._root_uri) != STAGING_SERVICE_ROOT:
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return url.replace('bazaar.launchpad.net',
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'bazaar.staging.launchpad.net')
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def from_bzr(cls, launchpad, bzr_branch):
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"""Find a Launchpad branch from a bzr branch."""
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for url in cls.candidate_urls(bzr_branch):
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url = cls.tweak_url(url, launchpad)
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if not cls.plausible_launchpad_url(url):
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lp_branch = launchpad.branches.getByUrl(url=url)
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if lp_branch is not None:
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lp_branch = cls.create_now(launchpad, bzr_branch)
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return cls(lp_branch, bzr_branch.base, bzr_branch, check_update)
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def create_now(cls, launchpad, bzr_branch):
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"""Create a Bazaar branch on Launchpad for the supplied branch."""
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url = cls.tweak_url(bzr_branch.get_push_location(), launchpad)
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if not cls.plausible_launchpad_url(url):
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raise errors.BzrError('%s is not registered on Launchpad' %
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bzr_branch.create_clone_on_transport(transport.get_transport(url))
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lp_branch = launchpad.branches.getByUrl(url=url)
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if lp_branch is None:
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raise errors.BzrError('%s is not registered on Launchpad' % url)
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def get_dev_focus(self):
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"""Return the 'LaunchpadBranch' for the dev focus of this one."""
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if lp_branch.project is None:
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raise errors.BzrError('%s has no product.' %
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lp_branch.bzr_identity)
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dev_focus = lp_branch.project.development_focus.branch
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if dev_focus is None:
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raise errors.BzrError('%s has no development focus.' %
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lp_branch.bzr_identity)
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return LaunchpadBranch(dev_focus, dev_focus.bzr_identity)
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"""Update the Launchpad copy of this branch."""
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if not self._check_update:
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if self.lp.last_scanned_id is not None:
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if self.bzr.last_revision() == self.lp.last_scanned_id:
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trace.note('%s is already up-to-date.' %
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self.lp.bzr_identity)
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graph = self.bzr.repository.get_graph()
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if not graph.is_ancestor(self.lp.last_scanned_id,
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self.bzr.last_revision()):
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raise errors.DivergedBranches(self.bzr, self.push_bzr)
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trace.note('Pushing to %s' % self.lp.bzr_identity)
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self.bzr.push(self.push_bzr)
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def find_lca_tree(self, other):
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"""Find the revision tree for the LCA of this branch and other.
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:param other: Another LaunchpadBranch
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:return: The RevisionTree of the LCA of this branch and other.
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graph = self.bzr.repository.get_graph(other.bzr.repository)
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lca = graph.find_unique_lca(self.bzr.last_revision(),
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other.bzr.last_revision())
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return self.bzr.repository.revision_tree(lca)
262
115
def load_branch(launchpad, branch):
263
116
"""Return the launchpadlib Branch object corresponding to 'branch'.
added
removed
bzrlib/plugins/launchpad/lp_api.py
