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

  • Committer: Liam Young
  • Date: 2016-03-30 09:07:46 UTC
  • mfrom: (63.1.4 trunk)
  • Revision ID: liam.young@canonical.com-20160330090746-rwwe91yjqi9j9ry3
[gnuoy, r=james-page] Add pause/resume actions

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hooks/charmhelpers/fetch/giturl.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, CalledProcessError
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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('GitPython does not support Python 3')
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try:
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    from git import Repo
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except ImportError:
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    from charmhelpers.fetch import apt_install
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    apt_install("python-git")
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    from git import Repo
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from git.exc import GitCommandError  # noqa E402
 
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if filter_installed_packages(['git']) != []:
 
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    apt_install(['git'])
 
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    if filter_installed_packages(['git']) != []:
 
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        raise NotImplementedError('Unable to install git')
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class GitUrlFetchHandler(BaseFetchHandler):
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    def can_handle(self, source):
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        url_parts = self.parse_url(source)
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        # TODO (mattyw) no support for ssh git@ yet
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        if url_parts.scheme not in ('http', 'https', 'git'):
 
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        if url_parts.scheme not in ('http', 'https', 'git', ''):
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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, '.git'))
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        else:
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            return True
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    def clone(self, source, dest, branch, depth=None):
 
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    def clone(self, source, dest, branch="master", depth=None):
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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 depth:
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            Repo.clone_from(source, dest, branch=branch, depth=depth)
 
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        if os.path.exists(dest):
 
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            cmd = ['git', '-C', dest, 'pull', source, branch]
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        else:
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            Repo.clone_from(source, dest, branch=branch)
 
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            cmd = ['git', 'clone', source, dest, '--branch', branch]
 
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            if depth:
 
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                cmd.extend(['--depth', depth])
 
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        check_call(cmd)
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    def install(self, source, branch="master", dest=None, depth=None):
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        url_parts = self.parse_url(source)
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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:
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            self.clone(source, dest_dir, branch, depth)
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        except GitCommandError as e:
 
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        except CalledProcessError as e:
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            raise UnhandledSource(e)
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        except OSError as e:
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            raise UnhandledSource(e.strerror)