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Viewing changes to hooks/charmhelpers/fetch/bzrurl.py

  • Committer: bbaqar at plumgrid
  • Date: 2016-04-25 09:14:38 UTC
  • mfrom: (30.1.3 plumgrid-director)
  • Revision ID: bbaqar@plumgrid.com-20160425091438-4hk5s00dydf00jem
Merge: Liberty/Mitaka support

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hooks/charmhelpers/fetch/bzrurl.py
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# along with charm-helpers.  If not, see <http://www.gnu.org/licenses/>.
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import os
 
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from subprocess import check_call
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from charmhelpers.fetch import (
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    BaseFetchHandler,
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    UnhandledSource
 
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    UnhandledSource,
 
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    filter_installed_packages,
 
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    apt_install,
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)
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from charmhelpers.core.host import mkdir
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import six
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if six.PY3:
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    raise ImportError('bzrlib does not support Python3')
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try:
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    from bzrlib.branch import Branch
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    from bzrlib import bzrdir, workingtree, errors
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except ImportError:
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    from charmhelpers.fetch import apt_install
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    apt_install("python-bzrlib")
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    from bzrlib.branch import Branch
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    from bzrlib import bzrdir, workingtree, errors
 
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if filter_installed_packages(['bzr']) != []:
 
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    apt_install(['bzr'])
 
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    if filter_installed_packages(['bzr']) != []:
 
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        raise NotImplementedError('Unable to install bzr')
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class BzrUrlFetchHandler(BaseFetchHandler):
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    """Handler for bazaar branches via generic and lp URLs"""
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    def can_handle(self, source):
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        url_parts = self.parse_url(source)
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        if url_parts.scheme not in ('bzr+ssh', 'lp'):
 
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        if url_parts.scheme not in ('bzr+ssh', 'lp', ''):
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            return False
 
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        elif not url_parts.scheme:
 
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            return os.path.exists(os.path.join(source, '.bzr'))
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        else:
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            return True
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    def branch(self, source, dest):
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        url_parts = self.parse_url(source)
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        # If we use lp:branchname scheme we need to load plugins
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        if not self.can_handle(source):
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            raise UnhandledSource("Cannot handle {}".format(source))
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        if url_parts.scheme == "lp":
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            from bzrlib.plugin import load_plugins
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            load_plugins()
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        try:
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            local_branch = bzrdir.BzrDir.create_branch_convenience(dest)
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        except errors.AlreadyControlDirError:
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            local_branch = Branch.open(dest)
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        try:
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            remote_branch = Branch.open(source)
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            remote_branch.push(local_branch)
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            tree = workingtree.WorkingTree.open(dest)
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            tree.update()
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        except Exception as e:
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            raise e
 
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        if os.path.exists(dest):
 
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            check_call(['bzr', 'pull', '--overwrite', '-d', dest, source])
 
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        else:
 
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            check_call(['bzr', 'branch', source, dest])
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    def install(self, source):
 
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    def install(self, source, dest=None):
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        url_parts = self.parse_url(source)
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        branch_name = url_parts.path.strip("/").split("/")[-1]
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        dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
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                                branch_name)
 
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        if dest:
 
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            dest_dir = os.path.join(dest, branch_name)
 
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        else:
 
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            dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
 
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                                    branch_name)
 
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        if not os.path.exists(dest_dir):
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            mkdir(dest_dir, perms=0o755)
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        try: