diff options
Diffstat (limited to 'lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/vcs/__init__.py')
| -rw-r--r-- | lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/vcs/__init__.py | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/vcs/__init__.py b/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/vcs/__init__.py deleted file mode 100644 index a2137e9..0000000 --- a/lib/python2.7/site-packages/pip-1.1-py2.7.egg/pip/vcs/__init__.py +++ /dev/null @@ -1,244 +0,0 @@ -"""Handles all VCS (version control) support""" - -import os -import shutil - -from pip.backwardcompat import urlparse, urllib -from pip.log import logger -from pip.util import (display_path, backup_dir, find_command, - ask, rmtree, ask_path_exists) - - -__all__ = ['vcs', 'get_src_requirement'] - - -class VcsSupport(object): - _registry = {} - schemes = ['ssh', 'git', 'hg', 'bzr', 'sftp', 'svn'] - - def __init__(self): - # Register more schemes with urlparse for various version control systems - urlparse.uses_netloc.extend(self.schemes) - urlparse.uses_fragment.extend(self.schemes) - super(VcsSupport, self).__init__() - - def __iter__(self): - return self._registry.__iter__() - - @property - def backends(self): - return list(self._registry.values()) - - @property - def dirnames(self): - return [backend.dirname for backend in self.backends] - - @property - def all_schemes(self): - schemes = [] - for backend in self.backends: - schemes.extend(backend.schemes) - return schemes - - def register(self, cls): - if not hasattr(cls, 'name'): - logger.warn('Cannot register VCS %s' % cls.__name__) - return - if cls.name not in self._registry: - self._registry[cls.name] = cls - - def unregister(self, cls=None, name=None): - if name in self._registry: - del self._registry[name] - elif cls in self._registry.values(): - del self._registry[cls.name] - else: - logger.warn('Cannot unregister because no class or name given') - - def get_backend_name(self, location): - """ - Return the name of the version control backend if found at given - location, e.g. vcs.get_backend_name('/path/to/vcs/checkout') - """ - for vc_type in self._registry.values(): - path = os.path.join(location, vc_type.dirname) - if os.path.exists(path): - return vc_type.name - return None - - def get_backend(self, name): - name = name.lower() - if name in self._registry: - return self._registry[name] - - def get_backend_from_location(self, location): - vc_type = self.get_backend_name(location) - if vc_type: - return self.get_backend(vc_type) - return None - - -vcs = VcsSupport() - - -class VersionControl(object): - name = '' - dirname = '' - - def __init__(self, url=None, *args, **kwargs): - self.url = url - self._cmd = None - super(VersionControl, self).__init__(*args, **kwargs) - - def _filter(self, line): - return (logger.INFO, line) - - def _is_local_repository(self, repo): - """ - posix absolute paths start with os.path.sep, - win32 ones ones start with drive (like c:\\folder) - """ - drive, tail = os.path.splitdrive(repo) - return repo.startswith(os.path.sep) or drive - - @property - def cmd(self): - if self._cmd is not None: - return self._cmd - command = find_command(self.name) - logger.info('Found command %r at %r' % (self.name, command)) - self._cmd = command - return command - - def get_url_rev(self): - """ - Returns the correct repository URL and revision by parsing the given - repository URL - """ - url = self.url.split('+', 1)[1] - scheme, netloc, path, query, frag = urlparse.urlsplit(url) - rev = None - if '@' in path: - path, rev = path.rsplit('@', 1) - url = urlparse.urlunsplit((scheme, netloc, path, query, '')) - return url, rev - - def get_info(self, location): - """ - Returns (url, revision), where both are strings - """ - assert not location.rstrip('/').endswith(self.dirname), 'Bad directory: %s' % location - return self.get_url(location), self.get_revision(location) - - def normalize_url(self, url): - """ - Normalize a URL for comparison by unquoting it and removing any trailing slash. - """ - return urllib.unquote(url).rstrip('/') - - def compare_urls(self, url1, url2): - """ - Compare two repo URLs for identity, ignoring incidental differences. - """ - return (self.normalize_url(url1) == self.normalize_url(url2)) - - def parse_vcs_bundle_file(self, content): - """ - Takes the contents of the bundled text file that explains how to revert - the stripped off version control data of the given package and returns - the URL and revision of it. - """ - raise NotImplementedError - - def obtain(self, dest): - """ - Called when installing or updating an editable package, takes the - source path of the checkout. - """ - raise NotImplementedError - - def switch(self, dest, url, rev_options): - """ - Switch the repo at ``dest`` to point to ``URL``. - """ - raise NotImplemented - - def update(self, dest, rev_options): - """ - Update an already-existing repo to the given ``rev_options``. - """ - raise NotImplementedError - - def check_destination(self, dest, url, rev_options, rev_display): - """ - Prepare a location to receive a checkout/clone. - - Return True if the location is ready for (and requires) a - checkout/clone, False otherwise. - """ - checkout = True - prompt = False - if os.path.exists(dest): - checkout = False - if os.path.exists(os.path.join(dest, self.dirname)): - existing_url = self.get_url(dest) - if self.compare_urls(existing_url, url): - logger.info('%s in %s exists, and has correct URL (%s)' % - (self.repo_name.title(), display_path(dest), - url)) - logger.notify('Updating %s %s%s' % - (display_path(dest), self.repo_name, - rev_display)) - self.update(dest, rev_options) - else: - logger.warn('%s %s in %s exists with URL %s' % - (self.name, self.repo_name, - display_path(dest), existing_url)) - prompt = ('(s)witch, (i)gnore, (w)ipe, (b)ackup ', - ('s', 'i', 'w', 'b')) - else: - logger.warn('Directory %s already exists, ' - 'and is not a %s %s.' % - (dest, self.name, self.repo_name)) - prompt = ('(i)gnore, (w)ipe, (b)ackup ', ('i', 'w', 'b')) - if prompt: - logger.warn('The plan is to install the %s repository %s' % - (self.name, url)) - response = ask_path_exists('What to do? %s' % prompt[0], - prompt[1]) - - if response == 's': - logger.notify('Switching %s %s to %s%s' % - (self.repo_name, display_path(dest), url, - rev_display)) - self.switch(dest, url, rev_options) - elif response == 'i': - # do nothing - pass - elif response == 'w': - logger.warn('Deleting %s' % display_path(dest)) - rmtree(dest) - checkout = True - elif response == 'b': - dest_dir = backup_dir(dest) - logger.warn('Backing up %s to %s' - % (display_path(dest), dest_dir)) - shutil.move(dest, dest_dir) - checkout = True - return checkout - - def unpack(self, location): - if os.path.exists(location): - rmtree(location) - self.obtain(location) - - def get_src_requirement(self, dist, location, find_tags=False): - raise NotImplementedError - - -def get_src_requirement(dist, location, find_tags): - version_control = vcs.get_backend_from_location(location) - if version_control: - return version_control().get_src_requirement(dist, location, find_tags) - logger.warn('cannot determine version of editable source in %s (is not SVN checkout, Git clone, Mercurial clone or Bazaar branch)' % location) - return dist.as_requirement() |