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Darwin/lib/python3.4/site-packages/pip/vcs/bazaar.py

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+import os
+import tempfile
+import re
+from pip.backwardcompat import urlparse
+from pip.log import logger
+from pip.util import rmtree, display_path, call_subprocess
+from pip.vcs import vcs, VersionControl
+from pip.download import path_to_url
+
+
+class Bazaar(VersionControl):
+    name = 'bzr'
+    dirname = '.bzr'
+    repo_name = 'branch'
+    bundle_file = 'bzr-branch.txt'
+    schemes = ('bzr', 'bzr+http', 'bzr+https', 'bzr+ssh', 'bzr+sftp', 'bzr+ftp', 'bzr+lp')
+    guide = ('# This was a Bazaar branch; to make it a branch again run:\n'
+             'bzr branch -r %(rev)s %(url)s .\n')
+
+    def __init__(self, url=None, *args, **kwargs):
+        super(Bazaar, self).__init__(url, *args, **kwargs)
+        # Python >= 2.7.4, 3.3 doesn't have uses_fragment or non_hierarchical
+        # Register lp but do not expose as a scheme to support bzr+lp.
+        if getattr(urlparse, 'uses_fragment', None):
+            urlparse.uses_fragment.extend(['lp'])
+            urlparse.non_hierarchical.extend(['lp'])
+
+    def parse_vcs_bundle_file(self, content):
+        url = rev = None
+        for line in content.splitlines():
+            if not line.strip() or line.strip().startswith('#'):
+                continue
+            match = re.search(r'^bzr\s*branch\s*-r\s*(\d*)', line)
+            if match:
+                rev = match.group(1).strip()
+            url = line[match.end():].strip().split(None, 1)[0]
+            if url and rev:
+                return url, rev
+        return None, None
+
+    def export(self, location):
+        """Export the Bazaar repository at the url to the destination location"""
+        temp_dir = tempfile.mkdtemp('-export', 'pip-')
+        self.unpack(temp_dir)
+        if os.path.exists(location):
+            # Remove the location to make sure Bazaar can export it correctly
+            rmtree(location)
+        try:
+            call_subprocess([self.cmd, 'export', location], cwd=temp_dir,
+                            filter_stdout=self._filter, show_stdout=False)
+        finally:
+            rmtree(temp_dir)
+
+    def switch(self, dest, url, rev_options):
+        call_subprocess([self.cmd, 'switch', url], cwd=dest)
+
+    def update(self, dest, rev_options):
+        call_subprocess(
+            [self.cmd, 'pull', '-q'] + rev_options, cwd=dest)
+
+    def obtain(self, dest):
+        url, rev = self.get_url_rev()
+        if rev:
+            rev_options = ['-r', rev]
+            rev_display = ' (to revision %s)' % rev
+        else:
+            rev_options = []
+            rev_display = ''
+        if self.check_destination(dest, url, rev_options, rev_display):
+            logger.notify('Checking out %s%s to %s'
+                          % (url, rev_display, display_path(dest)))
+            call_subprocess(
+                [self.cmd, 'branch', '-q'] + rev_options + [url, dest])
+
+    def get_url_rev(self):
+        # hotfix the URL scheme after removing bzr+ from bzr+ssh:// readd it
+        url, rev = super(Bazaar, self).get_url_rev()
+        if url.startswith('ssh://'):
+            url = 'bzr+' + url
+        return url, rev
+
+    def get_url(self, location):
+        urls = call_subprocess(
+            [self.cmd, 'info'], show_stdout=False, cwd=location)
+        for line in urls.splitlines():
+            line = line.strip()
+            for x in ('checkout of branch: ',
+                      'parent branch: '):
+                if line.startswith(x):
+                    repo = line.split(x)[1]
+                    if self._is_local_repository(repo):
+                        return path_to_url(repo)
+                    return repo
+        return None
+
+    def get_revision(self, location):
+        revision = call_subprocess(
+            [self.cmd, 'revno'], show_stdout=False, cwd=location)
+        return revision.splitlines()[-1]
+
+    def get_tag_revs(self, location):
+        tags = call_subprocess(
+            [self.cmd, 'tags'], show_stdout=False, cwd=location)
+        tag_revs = []
+        for line in tags.splitlines():
+            tags_match = re.search(r'([.\w-]+)\s*(.*)$', line)
+            if tags_match:
+                tag = tags_match.group(1)
+                rev = tags_match.group(2)
+                tag_revs.append((rev.strip(), tag.strip()))
+        return dict(tag_revs)
+
+    def get_src_requirement(self, dist, location, find_tags):
+        repo = self.get_url(location)
+        if not repo.lower().startswith('bzr:'):
+            repo = 'bzr+' + repo
+        egg_project_name = dist.egg_name().split('-', 1)[0]
+        if not repo:
+            return None
+        current_rev = self.get_revision(location)
+        tag_revs = self.get_tag_revs(location)
+
+        if current_rev in tag_revs:
+            # It's a tag
+            full_egg_name = '%s-%s' % (egg_project_name, tag_revs[current_rev])
+        else:
+            full_egg_name = '%s-dev_r%s' % (dist.egg_name(), current_rev)
+        return '%s@%s#egg=%s' % (repo, current_rev, full_egg_name)
+
+
+vcs.register(Bazaar)