Current File : //usr/lib/python2.7/site-packages/pip/vcs/subversion.py
from __future__ import absolute_import
import logging
import os
import re
from pip._vendor.six.moves.urllib import parse as urllib_parse
from pip.index import Link
from pip.utils import rmtree, display_path
from pip.utils.logging import indent_log
from pip.vcs import vcs, VersionControl
_svn_xml_url_re = re.compile('url="([^"]+)"')
_svn_rev_re = re.compile('committed-rev="(\d+)"')
_svn_url_re = re.compile(r'URL: (.+)')
_svn_revision_re = re.compile(r'Revision: (.+)')
_svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"')
_svn_info_xml_url_re = re.compile(r'<url>(.*)</url>')
logger = logging.getLogger(__name__)
class Subversion(VersionControl):
name = 'svn'
dirname = '.svn'
repo_name = 'checkout'
schemes = ('svn', 'svn+ssh', 'svn+http', 'svn+https', 'svn+svn')
def get_info(self, location):
"""Returns (url, revision), where both are strings"""
assert not location.rstrip('/').endswith(self.dirname), \
'Bad directory: %s' % location
output = self.run_command(
['info', location],
show_stdout=False,
extra_environ={'LANG': 'C'},
)
match = _svn_url_re.search(output)
if not match:
logger.warning(
'Cannot determine URL of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return None, None
url = match.group(1).strip()
match = _svn_revision_re.search(output)
if not match:
logger.warning(
'Cannot determine revision of svn checkout %s',
display_path(location),
)
logger.debug('Output that cannot be parsed: \n%s', output)
return url, None
return url, match.group(1)
def export(self, location):
"""Export the svn repository at the url to the destination location"""
url, rev = self.get_url_rev()
rev_options = get_rev_options(url, rev)
url = self.remove_auth_from_url(url)
logger.info('Exporting svn repository %s to %s', url, location)
with indent_log():
if os.path.exists(location):
# Subversion doesn't like to check out over an existing
# directory --force fixes this, but was only added in svn 1.5
rmtree(location)
self.run_command(
['export'] + rev_options + [url, location],
show_stdout=False)
def switch(self, dest, url, rev_options):
self.run_command(['switch'] + rev_options + [url, dest])
def update(self, dest, rev_options):
self.run_command(['update'] + rev_options + [dest])
def obtain(self, dest):
url, rev = self.get_url_rev()
rev_options = get_rev_options(url, rev)
url = self.remove_auth_from_url(url)
if rev:
rev_display = ' (to revision %s)' % rev
else:
rev_display = ''
if self.check_destination(dest, url, rev_options, rev_display):
logger.info(
'Checking out %s%s to %s',
url,
rev_display,
display_path(dest),
)
self.run_command(['checkout', '-q'] + rev_options + [url, dest])
def get_location(self, dist, dependency_links):
for url in dependency_links:
egg_fragment = Link(url).egg_fragment
if not egg_fragment:
continue
if '-' in egg_fragment:
# FIXME: will this work when a package has - in the name?
key = '-'.join(egg_fragment.split('-')[:-1]).lower()
else:
key = egg_fragment
if key == dist.key:
return url.split('#', 1)[0]
return None
def get_revision(self, location):
"""
Return the maximum revision for all files under a given location
"""
# Note: taken from setuptools.command.egg_info
revision = 0
for base, dirs, files in os.walk(location):
if self.dirname not in dirs:
dirs[:] = []
continue # no sense walking uncontrolled subdirs
dirs.remove(self.dirname)
entries_fn = os.path.join(base, self.dirname, 'entries')
if not os.path.exists(entries_fn):
# FIXME: should we warn?
continue
dirurl, localrev = self._get_svn_url_rev(base)
if base == location:
base_url = dirurl + '/' # save the root url
elif not dirurl or not dirurl.startswith(base_url):
dirs[:] = []
continue # not part of the same svn tree, skip it
revision = max(revision, localrev)
return revision
def get_url_rev(self):
# hotfix the URL scheme after removing svn+ from svn+ssh:// readd it
url, rev = super(Subversion, self).get_url_rev()
if url.startswith('ssh://'):
url = 'svn+' + url
return url, rev
def get_url(self, location):
# In cases where the source is in a subdirectory, not alongside
# setup.py we have to look up in the location until we find a real
# setup.py
orig_location = location
while not os.path.exists(os.path.join(location, 'setup.py')):
last_location = location
location = os.path.dirname(location)
if location == last_location:
# We've traversed up to the root of the filesystem without
# finding setup.py
logger.warning(
"Could not find setup.py for directory %s (tried all "
"parent directories)",
orig_location,
)
return None
return self._get_svn_url_rev(location)[0]
def _get_svn_url_rev(self, location):
from pip.exceptions import InstallationError
entries_path = os.path.join(location, self.dirname, 'entries')
if os.path.exists(entries_path):
with open(entries_path) as f:
data = f.read()
else: # subversion >= 1.7 does not have the 'entries' file
data = ''
if (data.startswith('8') or
data.startswith('9') or
data.startswith('10')):
data = list(map(str.splitlines, data.split('\n\x0c\n')))
del data[0][0] # get rid of the '8'
url = data[0][3]
revs = [int(d[9]) for d in data if len(d) > 9 and d[9]] + [0]
elif data.startswith('<?xml'):
match = _svn_xml_url_re.search(data)
if not match:
raise ValueError('Badly formatted data: %r' % data)
url = match.group(1) # get repository URL
revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0]
else:
try:
# subversion >= 1.7
xml = self.run_command(
['info', '--xml', location],
show_stdout=False,
)
url = _svn_info_xml_url_re.search(xml).group(1)
revs = [
int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)
]
except InstallationError:
url, revs = None, []
if revs:
rev = max(revs)
else:
rev = 0
return url, rev
def get_src_requirement(self, dist, location):
repo = self.get_url(location)
if repo is None:
return None
# FIXME: why not project name?
egg_project_name = dist.egg_name().split('-', 1)[0]
rev = self.get_revision(location)
return 'svn+%s@%s#egg=%s' % (repo, rev, egg_project_name)
def check_version(self, dest, rev_options):
"""Always assume the versions don't match"""
return False
@staticmethod
def remove_auth_from_url(url):
# Return a copy of url with 'username:password@' removed.
# username/pass params are passed to subversion through flags
# and are not recognized in the url.
# parsed url
purl = urllib_parse.urlsplit(url)
stripped_netloc = \
purl.netloc.split('@')[-1]
# stripped url
url_pieces = (
purl.scheme, stripped_netloc, purl.path, purl.query, purl.fragment
)
surl = urllib_parse.urlunsplit(url_pieces)
return surl
def get_rev_options(url, rev):
if rev:
rev_options = ['-r', rev]
else:
rev_options = []
r = urllib_parse.urlsplit(url)
if hasattr(r, 'username'):
# >= Python-2.5
username, password = r.username, r.password
else:
netloc = r[1]
if '@' in netloc:
auth = netloc.split('@')[0]
if ':' in auth:
username, password = auth.split(':', 1)
else:
username, password = auth, None
else:
username, password = None, None
if username:
rev_options += ['--username', username]
if password:
rev_options += ['--password', password]
return rev_options
vcs.register(Subversion)
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