pip/pip/req/req_install.py

1123 lines
42 KiB
Python

import os
import re
import shutil
import sys
import tempfile
import zipfile
from distutils.util import change_root
from email.parser import FeedParser
import pip.wheel
from pip._vendor import pkg_resources, six
from pip.backwardcompat import (
urllib, ConfigParser, string_types, get_python_version,
)
from pip.download import is_url, url_to_path, path_to_url, is_archive_file
from pip.exceptions import (
InstallationError, UninstallationError, UnsupportedWheel,
)
from pip.index import Link
from pip.locations import (
bin_py, running_under_virtualenv, PIP_DELETE_MARKER_FILENAME, bin_user,
)
from pip.log import logger
from pip.util import (
display_path, rmtree, ask_path_exists, backup_dir, is_installable_dir,
dist_in_usersite, dist_in_site_packages, egg_link_path, make_path_relative,
call_subprocess, is_prerelease, read_text_file, FakeFile, _make_build_dir,
)
from pip.req.req_uninstall import UninstallPathSet
from pip.vcs import vcs
from pip.wheel import move_wheel_files, Wheel, wheel_ext
class InstallRequirement(object):
def __init__(self, req, comes_from, source_dir=None, editable=False,
url=None, as_egg=False, update=True, prereleases=None,
editable_options=None, from_bundle=False, pycompile=True):
self.extras = ()
if isinstance(req, string_types):
req = pkg_resources.Requirement.parse(req)
self.extras = req.extras
self.req = req
self.comes_from = comes_from
self.source_dir = source_dir
self.editable = editable
if editable_options is None:
editable_options = {}
self.editable_options = editable_options
self.url = url
self.as_egg = as_egg
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
# This hold the pkg_resources.Distribution object if this requirement
# conflicts with another installed distribution:
self.conflicts_with = None
self._temp_build_dir = None
self._is_bundle = None
# True if the editable should be updated:
self.update = update
# Set to True after successful installation
self.install_succeeded = None
# UninstallPathSet of uninstalled distribution (for possible rollback)
self.uninstalled = None
self.use_user_site = False
self.target_dir = None
self.from_bundle = from_bundle
self.pycompile = pycompile
# True if pre-releases are acceptable
if prereleases:
self.prereleases = True
elif self.req is not None:
self.prereleases = any([
is_prerelease(x[1]) and x[0] != "!=" for x in self.req.specs
])
else:
self.prereleases = False
@classmethod
def from_editable(cls, editable_req, comes_from=None, default_vcs=None):
name, url, extras_override = parse_editable(editable_req, default_vcs)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
res = cls(name, comes_from, source_dir=source_dir,
editable=True,
url=url,
editable_options=extras_override,
prereleases=True)
if extras_override is not None:
res.extras = extras_override
return res
@classmethod
def from_line(cls, name, comes_from=None, prereleases=None):
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
url = None
name = name.strip()
req = None
path = os.path.normpath(os.path.abspath(name))
link = None
if is_url(name):
link = Link(name)
elif (os.path.isdir(path)
and (os.path.sep in name or name.startswith('.'))):
if not is_installable_dir(path):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' not "
"found." % name
)
link = Link(path_to_url(name))
elif is_archive_file(path):
if not os.path.isfile(path):
logger.warn(
'Requirement %r looks like a filename, but the file does '
'not exist',
name
)
link = Link(path_to_url(name))
# If the line has an egg= definition, but isn't editable, pull the
# requirement out. Otherwise, assume the name is the req for the non
# URL/path/archive case.
if link and req is None:
url = link.url_without_fragment
# when fragment is None, this will become an 'unnamed' requirement
req = link.egg_fragment
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', url):
url = path_to_url(os.path.normpath(os.path.abspath(link.path)))
# fail early for invalid or unsupported wheels
if link.ext == wheel_ext:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
if not wheel.supported():
raise UnsupportedWheel(
"%s is not a supported wheel on this platform." %
wheel.filename
)
else:
req = name
return cls(req, comes_from, url=url, prereleases=prereleases)
def __str__(self):
if self.req:
s = str(self.req)
if self.url:
s += ' from %s' % self.url
else:
s = self.url
if self.satisfied_by is not None:
s += ' in %s' % display_path(self.satisfied_by.location)
if self.comes_from:
if isinstance(self.comes_from, string_types):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += ' (from %s)' % comes_from
return s
def from_path(self):
if self.req is None:
return None
s = str(self.req)
if self.comes_from:
if isinstance(self.comes_from, string_types):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
if comes_from:
s += '->' + comes_from
return s
def build_location(self, build_dir, unpack=True):
if self._temp_build_dir is not None:
return self._temp_build_dir
if self.req is None:
self._temp_build_dir = tempfile.mkdtemp('-build', 'pip-')
self._ideal_build_dir = build_dir
return self._temp_build_dir
if self.editable:
name = self.name.lower()
else:
name = self.name
# FIXME: Is there a better place to create the build_dir? (hg and bzr
# need this)
if not os.path.exists(build_dir):
_make_build_dir(build_dir)
return os.path.join(build_dir, name)
def correct_build_location(self):
"""If the build location was a temporary directory, this will move it
to a new more permanent location"""
if self.source_dir is not None:
return
assert self.req is not None
assert self._temp_build_dir
old_location = self._temp_build_dir
new_build_dir = self._ideal_build_dir
del self._ideal_build_dir
if self.editable:
name = self.name.lower()
else:
name = self.name
new_location = os.path.join(new_build_dir, name)
if not os.path.exists(new_build_dir):
logger.debug('Creating directory %s' % new_build_dir)
_make_build_dir(new_build_dir)
if os.path.exists(new_location):
raise InstallationError(
'A package already exists in %s; please remove it to continue'
% display_path(new_location))
logger.debug(
'Moving package %s from %s to new location %s' %
(self, display_path(old_location), display_path(new_location))
)
shutil.move(old_location, new_location)
self._temp_build_dir = new_location
self.source_dir = new_location
self._egg_info_path = None
@property
def name(self):
if self.req is None:
return None
return self.req.project_name
@property
def url_name(self):
if self.req is None:
return None
return urllib.quote(self.req.unsafe_name)
@property
def setup_py(self):
try:
import setuptools
# Small hack to make flake8 not complain about an unused import
setuptools
except ImportError:
# Setuptools is not available
raise InstallationError(
"setuptools must be installed to install from a source "
"distribution"
)
setup_file = 'setup.py'
if self.editable_options and 'subdirectory' in self.editable_options:
setup_py = os.path.join(self.source_dir,
self.editable_options['subdirectory'],
setup_file)
else:
setup_py = os.path.join(self.source_dir, setup_file)
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(setup_py, six.text_type):
setup_py = setup_py.encode(sys.getfilesystemencoding())
return setup_py
def run_egg_info(self, force_root_egg_info=False):
assert self.source_dir
if self.name:
logger.notify(
'Running setup.py (path:%s) egg_info for package %s' %
(self.setup_py, self.name)
)
else:
logger.notify(
'Running setup.py (path:%s) egg_info for package from %s' %
(self.setup_py, self.url)
)
logger.indent += 2
try:
# if it's distribute>=0.7, it won't contain an importable
# setuptools, and having an egg-info dir blocks the ability of
# setup.py to find setuptools plugins, so delete the egg-info dir
# if no setuptools. it will get recreated by the run of egg_info
# NOTE: this self.name check only works when installing from a
# specifier (not archive path/urls)
# TODO: take this out later
if (self.name == 'distribute'
and not os.path.isdir(
os.path.join(self.source_dir, 'setuptools'))):
rmtree(os.path.join(self.source_dir, 'distribute.egg-info'))
script = self._run_setup_py
script = script.replace('__SETUP_PY__', repr(self.setup_py))
script = script.replace('__PKG_NAME__', repr(self.name))
egg_info_cmd = [sys.executable, '-c', script, 'egg_info']
# We can't put the .egg-info files at the root, because then the
# source code will be mistaken for an installed egg, causing
# problems
if self.editable or force_root_egg_info:
egg_base_option = []
else:
egg_info_dir = os.path.join(self.source_dir, 'pip-egg-info')
if not os.path.exists(egg_info_dir):
os.makedirs(egg_info_dir)
egg_base_option = ['--egg-base', 'pip-egg-info']
call_subprocess(
egg_info_cmd + egg_base_option,
cwd=self.source_dir,
filter_stdout=self._filter_install,
show_stdout=False,
command_level=logger.VERBOSE_DEBUG,
command_desc='python setup.py egg_info')
finally:
logger.indent -= 2
if not self.req:
self.req = pkg_resources.Requirement.parse(
"%(Name)s==%(Version)s" % self.pkg_info())
self.correct_build_location()
## FIXME: This is a lame hack, entirely for PasteScript which has
## a self-provided entry point that causes this awkwardness
_run_setup_py = """
__file__ = __SETUP_PY__
from setuptools.command import egg_info
import pkg_resources
import os
import tokenize
def replacement_run(self):
self.mkpath(self.egg_info)
installer = self.distribution.fetch_build_egg
for ep in pkg_resources.iter_entry_points('egg_info.writers'):
# require=False is the change we're making:
writer = ep.load(require=False)
if writer:
writer(self, ep.name, os.path.join(self.egg_info,ep.name))
self.find_sources()
egg_info.egg_info.run = replacement_run
exec(compile(
getattr(tokenize, 'open', open)(__file__).read().replace('\\r\\n', '\\n'),
__file__,
'exec'
))
"""
def egg_info_data(self, filename):
if self.satisfied_by is not None:
if not self.satisfied_by.has_metadata(filename):
return None
return self.satisfied_by.get_metadata(filename)
assert self.source_dir
filename = self.egg_info_path(filename)
if not os.path.exists(filename):
return None
data = read_text_file(filename)
return data
def egg_info_path(self, filename):
if self._egg_info_path is None:
if self.editable:
base = self.source_dir
else:
base = os.path.join(self.source_dir, 'pip-egg-info')
filenames = os.listdir(base)
if self.editable:
filenames = []
for root, dirs, files in os.walk(base):
for dir in vcs.dirnames:
if dir in dirs:
dirs.remove(dir)
# Iterate over a copy of ``dirs``, since mutating
# a list while iterating over it can cause trouble.
# (See https://github.com/pypa/pip/pull/462.)
for dir in list(dirs):
# Don't search in anything that looks like a virtualenv
# environment
if (
os.path.exists(
os.path.join(root, dir, 'bin', 'python')
)
or os.path.exists(
os.path.join(
root, dir, 'Scripts', 'Python.exe'
)
)):
dirs.remove(dir)
# Also don't search through tests
if dir == 'test' or dir == 'tests':
dirs.remove(dir)
filenames.extend([os.path.join(root, dir)
for dir in dirs])
filenames = [f for f in filenames if f.endswith('.egg-info')]
if not filenames:
raise InstallationError(
'No files/directories in %s (from %s)' % (base, filename)
)
assert filenames, \
"No files/directories in %s (from %s)" % (base, filename)
# if we have more than one match, we pick the toplevel one. This
# can easily be the case if there is a dist folder which contains
# an extracted tarball for testing purposes.
if len(filenames) > 1:
filenames.sort(
key=lambda x: x.count(os.path.sep)
+ (os.path.altsep and x.count(os.path.altsep) or 0)
)
self._egg_info_path = os.path.join(base, filenames[0])
return os.path.join(self._egg_info_path, filename)
def egg_info_lines(self, filename):
data = self.egg_info_data(filename)
if not data:
return []
result = []
for line in data.splitlines():
line = line.strip()
if not line or line.startswith('#'):
continue
result.append(line)
return result
def pkg_info(self):
p = FeedParser()
data = self.egg_info_data('PKG-INFO')
if not data:
logger.warn(
'No PKG-INFO file found in %s' %
display_path(self.egg_info_path('PKG-INFO'))
)
p.feed(data or '')
return p.close()
@property
def dependency_links(self):
return self.egg_info_lines('dependency_links.txt')
_requirements_section_re = re.compile(r'\[(.*?)\]')
def requirements(self, extras=()):
in_extra = None
for line in self.egg_info_lines('requires.txt'):
match = self._requirements_section_re.match(line.lower())
if match:
in_extra = match.group(1)
continue
if in_extra and in_extra not in extras:
logger.debug('skipping extra %s' % in_extra)
# Skip requirement for an extra we aren't requiring
continue
yield line
@property
def absolute_versions(self):
for qualifier, version in self.req.specs:
if qualifier == '==':
yield version
@property
def installed_version(self):
return self.pkg_info()['version']
def assert_source_matches_version(self):
assert self.source_dir
version = self.installed_version
if version not in self.req:
logger.warn(
'Requested %s, but installing version %s' %
(self, self.installed_version)
)
else:
logger.debug(
'Source in %s has version %s, which satisfies requirement %s' %
(display_path(self.source_dir), version, self)
)
def update_editable(self, obtain=True):
if not self.url:
logger.info(
"Cannot update repository at %s; repository location is "
"unknown" % self.source_dir
)
return
assert self.editable
assert self.source_dir
if self.url.startswith('file:'):
# Static paths don't get updated
return
assert '+' in self.url, "bad url: %r" % self.url
if not self.update:
return
vc_type, url = self.url.split('+', 1)
backend = vcs.get_backend(vc_type)
if backend:
vcs_backend = backend(self.url)
if obtain:
vcs_backend.obtain(self.source_dir)
else:
vcs_backend.export(self.source_dir)
else:
assert 0, (
'Unexpected version control type (in %s): %s'
% (self.url, vc_type))
def uninstall(self, auto_confirm=False):
"""
Uninstall the distribution currently satisfying this requirement.
Prompts before removing or modifying files unless
``auto_confirm`` is True.
Refuses to delete or modify files outside of ``sys.prefix`` -
thus uninstallation within a virtual environment can only
modify that virtual environment, even if the virtualenv is
linked to global site-packages.
"""
if not self.check_if_exists():
raise UninstallationError(
"Cannot uninstall requirement %s, not installed" % (self.name,)
)
dist = self.satisfied_by or self.conflicts_with
paths_to_remove = UninstallPathSet(dist)
pip_egg_info_path = os.path.join(dist.location,
dist.egg_name()) + '.egg-info'
dist_info_path = os.path.join(dist.location,
'-'.join(dist.egg_name().split('-')[:2])
) + '.dist-info'
# Workaround - http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618367
debian_egg_info_path = pip_egg_info_path.replace(
'-py%s' % pkg_resources.PY_MAJOR, '')
easy_install_egg = dist.egg_name() + '.egg'
develop_egg_link = egg_link_path(dist)
pip_egg_info_exists = os.path.exists(pip_egg_info_path)
debian_egg_info_exists = os.path.exists(debian_egg_info_path)
dist_info_exists = os.path.exists(dist_info_path)
if pip_egg_info_exists or debian_egg_info_exists:
# package installed by pip
if pip_egg_info_exists:
egg_info_path = pip_egg_info_path
else:
egg_info_path = debian_egg_info_path
paths_to_remove.add(egg_info_path)
if dist.has_metadata('installed-files.txt'):
for installed_file in dist.get_metadata(
'installed-files.txt').splitlines():
path = os.path.normpath(
os.path.join(egg_info_path, installed_file)
)
paths_to_remove.add(path)
# FIXME: need a test for this elif block
# occurs with --single-version-externally-managed/--record outside
# of pip
elif dist.has_metadata('top_level.txt'):
if dist.has_metadata('namespace_packages.txt'):
namespaces = dist.get_metadata('namespace_packages.txt')
else:
namespaces = []
for top_level_pkg in [
p for p
in dist.get_metadata('top_level.txt').splitlines()
if p and p not in namespaces]:
path = os.path.join(dist.location, top_level_pkg)
paths_to_remove.add(path)
paths_to_remove.add(path + '.py')
paths_to_remove.add(path + '.pyc')
elif dist.location.endswith(easy_install_egg):
# package installed by easy_install
paths_to_remove.add(dist.location)
easy_install_pth = os.path.join(os.path.dirname(dist.location),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
elif develop_egg_link:
# develop egg
fh = open(develop_egg_link, 'r')
link_pointer = os.path.normcase(fh.readline().strip())
fh.close()
assert (link_pointer == dist.location), (
'Egg-link %s does not match installed location of %s '
'(at %s)' % (link_pointer, self.name, dist.location)
)
paths_to_remove.add(develop_egg_link)
easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, dist.location)
elif dist_info_exists:
for path in pip.wheel.uninstallation_paths(dist):
paths_to_remove.add(path)
# find distutils scripts= scripts
if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
for script in dist.metadata_listdir('scripts'):
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
paths_to_remove.add(os.path.join(bin_dir, script))
if sys.platform == 'win32':
paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
# find console_scripts
if dist.has_metadata('entry_points.txt'):
config = ConfigParser.SafeConfigParser()
config.readfp(
FakeFile(dist.get_metadata_lines('entry_points.txt'))
)
if config.has_section('console_scripts'):
for name, value in config.items('console_scripts'):
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
paths_to_remove.add(os.path.join(bin_dir, name))
if sys.platform == 'win32':
paths_to_remove.add(
os.path.join(bin_dir, name) + '.exe'
)
paths_to_remove.add(
os.path.join(bin_dir, name) + '.exe.manifest'
)
paths_to_remove.add(
os.path.join(bin_dir, name) + '-script.py'
)
paths_to_remove.remove(auto_confirm)
self.uninstalled = paths_to_remove
def rollback_uninstall(self):
if self.uninstalled:
self.uninstalled.rollback()
else:
logger.error("Can't rollback %s, nothing uninstalled."
% (self.project_name,))
def commit_uninstall(self):
if self.uninstalled:
self.uninstalled.commit()
else:
logger.error("Can't commit %s, nothing uninstalled."
% (self.project_name,))
def archive(self, build_dir):
assert self.source_dir
create_archive = True
archive_name = '%s-%s.zip' % (self.name, self.installed_version)
archive_path = os.path.join(build_dir, archive_name)
if os.path.exists(archive_path):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup ' %
display_path(archive_path), ('i', 'w', 'b'))
if response == 'i':
create_archive = False
elif response == 'w':
logger.warn('Deleting %s' % display_path(archive_path))
os.remove(archive_path)
elif response == 'b':
dest_file = backup_dir(archive_path)
logger.warn(
'Backing up %s to %s' %
(display_path(archive_path), display_path(dest_file))
)
shutil.move(archive_path, dest_file)
if create_archive:
zip = zipfile.ZipFile(archive_path, 'w', zipfile.ZIP_DEFLATED)
dir = os.path.normcase(os.path.abspath(self.source_dir))
for dirpath, dirnames, filenames in os.walk(dir):
if 'pip-egg-info' in dirnames:
dirnames.remove('pip-egg-info')
for dirname in dirnames:
dirname = os.path.join(dirpath, dirname)
name = self._clean_zip_name(dirname, dir)
zipdir = zipfile.ZipInfo(self.name + '/' + name + '/')
zipdir.external_attr = 0x1ED << 16 # 0o755
zip.writestr(zipdir, '')
for filename in filenames:
if filename == PIP_DELETE_MARKER_FILENAME:
continue
filename = os.path.join(dirpath, filename)
name = self._clean_zip_name(filename, dir)
zip.write(filename, self.name + '/' + name)
zip.close()
logger.indent -= 2
logger.notify('Saved %s' % display_path(archive_path))
def _clean_zip_name(self, name, prefix):
assert name.startswith(prefix + os.path.sep), (
"name %r doesn't start with prefix %r" % (name, prefix)
)
name = name[len(prefix) + 1:]
name = name.replace(os.path.sep, '/')
return name
def install(self, install_options, global_options=(), root=None):
if self.editable:
self.install_editable(install_options, global_options)
return
if self.is_wheel:
version = pip.wheel.wheel_version(self.source_dir)
pip.wheel.check_compatibility(version, self.name)
self.move_wheel_files(self.source_dir, root=root)
self.install_succeeded = True
return
temp_location = tempfile.mkdtemp('-record', 'pip-')
record_filename = os.path.join(temp_location, 'install-record.txt')
try:
install_args = [sys.executable]
install_args.append('-c')
install_args.append(
"import setuptools, tokenize;__file__=%r;"
"exec(compile(getattr(tokenize, 'open', open)(__file__).read()"
".replace('\\r\\n', '\\n'), __file__, 'exec'))" % self.setup_py
)
install_args += list(global_options) + \
['install', '--record', record_filename]
if not self.as_egg:
install_args += ['--single-version-externally-managed']
if root is not None:
install_args += ['--root', root]
if self.pycompile:
install_args += ["--compile"]
else:
install_args += ["--no-compile"]
if running_under_virtualenv():
## FIXME: I'm not sure if this is a reasonable location;
## probably not but we can't put it in the default location, as
# that is a virtualenv symlink that isn't writable
install_args += ['--install-headers',
os.path.join(sys.prefix, 'include', 'site',
'python' + get_python_version())]
logger.notify('Running setup.py install for %s' % self.name)
logger.indent += 2
try:
call_subprocess(
install_args + install_options,
cwd=self.source_dir,
filter_stdout=self._filter_install,
show_stdout=False,
)
finally:
logger.indent -= 2
if not os.path.exists(record_filename):
logger.notify('Record file %s not found' % record_filename)
return
self.install_succeeded = True
if self.as_egg:
# there's no --always-unzip option we can pass to install
# command so we unable to save the installed-files.txt
return
def prepend_root(path):
if root is None or not os.path.isabs(path):
return path
else:
return change_root(root, path)
f = open(record_filename)
for line in f:
line = line.strip()
if line.endswith('.egg-info'):
egg_info_dir = prepend_root(line)
break
else:
logger.warn(
'Could not find .egg-info directory in install record for '
'%s' % self
)
f.close()
## FIXME: put the record somewhere
## FIXME: should this be an error?
return
f.close()
new_lines = []
f = open(record_filename)
for line in f:
filename = line.strip()
if os.path.isdir(filename):
filename += os.path.sep
new_lines.append(
make_path_relative(prepend_root(filename), egg_info_dir)
)
f.close()
f = open(os.path.join(egg_info_dir, 'installed-files.txt'), 'w')
f.write('\n'.join(new_lines) + '\n')
f.close()
finally:
if os.path.exists(record_filename):
os.remove(record_filename)
os.rmdir(temp_location)
def remove_temporary_source(self):
"""Remove the source files from this requirement, if they are marked
for deletion"""
if self.is_bundle or os.path.exists(self.delete_marker_filename):
logger.info('Removing source in %s' % self.source_dir)
if self.source_dir:
rmtree(self.source_dir)
self.source_dir = None
if self._temp_build_dir and os.path.exists(self._temp_build_dir):
rmtree(self._temp_build_dir)
self._temp_build_dir = None
def install_editable(self, install_options, global_options=()):
logger.notify('Running setup.py develop for %s' % self.name)
logger.indent += 2
try:
## FIXME: should we do --install-headers here too?
call_subprocess(
[
sys.executable,
'-c',
"import setuptools, tokenize; __file__=%r; exec(compile("
"getattr(tokenize, 'open', open)(__file__).read().replace"
"('\\r\\n', '\\n'), __file__, 'exec'))" % self.setup_py
]
+ list(global_options)
+ ['develop', '--no-deps']
+ list(install_options),
cwd=self.source_dir, filter_stdout=self._filter_install,
show_stdout=False)
finally:
logger.indent -= 2
self.install_succeeded = True
def _filter_install(self, line):
level = logger.NOTIFY
for regex in [
r'^running .*',
r'^writing .*',
'^creating .*',
'^[Cc]opying .*',
r'^reading .*',
r"^removing .*\.egg-info' \(and everything under it\)$",
r'^byte-compiling ',
# Not sure what this warning is, but it seems harmless:
r"^warning: manifest_maker: standard file '-c' not found$"]:
if re.search(regex, line.strip()):
level = logger.INFO
break
return (level, line)
def check_if_exists(self):
"""Find an installed distribution that satisfies or conflicts
with this requirement, and set self.satisfied_by or
self.conflicts_with appropriately."""
if self.req is None:
return False
try:
# DISTRIBUTE TO SETUPTOOLS UPGRADE HACK (1 of 3 parts)
# if we've already set distribute as a conflict to setuptools
# then this check has already run before. we don't want it to
# run again, and return False, since it would block the uninstall
# TODO: remove this later
if (self.req.project_name == 'setuptools'
and self.conflicts_with
and self.conflicts_with.project_name == 'distribute'):
return True
else:
self.satisfied_by = pkg_resources.get_distribution(self.req)
except pkg_resources.DistributionNotFound:
return False
except pkg_resources.VersionConflict:
existing_dist = pkg_resources.get_distribution(
self.req.project_name
)
if self.use_user_site:
if dist_in_usersite(existing_dist):
self.conflicts_with = existing_dist
elif (running_under_virtualenv()
and dist_in_site_packages(existing_dist)):
raise InstallationError(
"Will not install to the user site because it will "
"lack sys.path precedence to %s in %s" %
(existing_dist.project_name, existing_dist.location)
)
else:
self.conflicts_with = existing_dist
return True
@property
def is_wheel(self):
return self.url and '.whl' in self.url
@property
def is_bundle(self):
if self._is_bundle is not None:
return self._is_bundle
base = self._temp_build_dir
if not base:
## FIXME: this doesn't seem right:
return False
self._is_bundle = (
os.path.exists(os.path.join(base, 'pip-manifest.txt'))
or os.path.exists(os.path.join(base, 'pyinstall-manifest.txt'))
)
return self._is_bundle
def bundle_requirements(self):
for dest_dir in self._bundle_editable_dirs:
package = os.path.basename(dest_dir)
## FIXME: svnism:
for vcs_backend in vcs.backends:
url = rev = None
vcs_bundle_file = os.path.join(
dest_dir, vcs_backend.bundle_file)
if os.path.exists(vcs_bundle_file):
vc_type = vcs_backend.name
fp = open(vcs_bundle_file)
content = fp.read()
fp.close()
url, rev = vcs_backend().parse_vcs_bundle_file(content)
break
if url:
url = '%s+%s@%s' % (vc_type, url, rev)
else:
url = None
yield InstallRequirement(
package, self, editable=True, url=url,
update=False, source_dir=dest_dir, from_bundle=True)
for dest_dir in self._bundle_build_dirs:
package = os.path.basename(dest_dir)
yield InstallRequirement(
package,
self,
source_dir=dest_dir,
from_bundle=True,
)
def move_bundle_files(self, dest_build_dir, dest_src_dir):
base = self._temp_build_dir
assert base
src_dir = os.path.join(base, 'src')
build_dir = os.path.join(base, 'build')
bundle_build_dirs = []
bundle_editable_dirs = []
for source_dir, dest_dir, dir_collection in [
(src_dir, dest_src_dir, bundle_editable_dirs),
(build_dir, dest_build_dir, bundle_build_dirs)]:
if os.path.exists(source_dir):
for dirname in os.listdir(source_dir):
dest = os.path.join(dest_dir, dirname)
dir_collection.append(dest)
if os.path.exists(dest):
logger.warn(
'The directory %s (containing package %s) already '
'exists; cannot move source from bundle %s' %
(dest, dirname, self)
)
continue
if not os.path.exists(dest_dir):
logger.info('Creating directory %s' % dest_dir)
os.makedirs(dest_dir)
shutil.move(os.path.join(source_dir, dirname), dest)
if not os.listdir(source_dir):
os.rmdir(source_dir)
self._temp_build_dir = None
self._bundle_build_dirs = bundle_build_dirs
self._bundle_editable_dirs = bundle_editable_dirs
def move_wheel_files(self, wheeldir, root=None):
move_wheel_files(
self.name, self.req, wheeldir,
user=self.use_user_site,
home=self.target_dir,
root=root,
pycompile=self.pycompile,
)
@property
def delete_marker_filename(self):
assert self.source_dir
return os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)
def _strip_postfix(req):
"""
Strip req postfix ( -dev, 0.2, etc )
"""
## FIXME: use package_to_requirement?
match = re.search(r'^(.*?)(?:-dev|-\d.*)$', req)
if match:
# Strip off -dev, -0.2, etc.
req = match.group(1)
return req
def _build_req_from_url(url):
parts = [p for p in url.split('#', 1)[0].split('/') if p]
req = None
if parts[-2] in ('tags', 'branches', 'tag', 'branch'):
req = parts[-3]
elif parts[-1] == 'trunk':
req = parts[-2]
return req
def _build_editable_options(req):
"""
This method generates a dictionary of the query string
parameters contained in a given editable URL.
"""
regexp = re.compile(r"[\?#&](?P<name>[^&=]+)=(?P<value>[^&=]+)")
matched = regexp.findall(req)
if matched:
ret = dict()
for option in matched:
(name, value) = option
if name in ret:
raise Exception("%s option already defined" % name)
ret[name] = value
return ret
return None
def parse_editable(editable_req, default_vcs=None):
"""Parses svn+http://blahblah@rev#egg=Foobar into a requirement
(Foobar) and a URL"""
url = editable_req
extras = None
# If a file path is specified with extras, strip off the extras.
m = re.match(r'^(.+)(\[[^\]]+\])$', url)
if m:
url_no_extras = m.group(1)
extras = m.group(2)
else:
url_no_extras = url
if os.path.isdir(url_no_extras):
if not os.path.exists(os.path.join(url_no_extras, 'setup.py')):
raise InstallationError(
"Directory %r is not installable. File 'setup.py' not found." %
url_no_extras
)
# Treating it as code that has already been checked out
url_no_extras = path_to_url(url_no_extras)
if url_no_extras.lower().startswith('file:'):
if extras:
return (
None,
url_no_extras,
pkg_resources.Requirement.parse(
'__placeholder__' + extras
).extras,
)
else:
return None, url_no_extras, None
for version_control in vcs:
if url.lower().startswith('%s:' % version_control):
url = '%s+%s' % (version_control, url)
break
if '+' not in url:
if default_vcs:
url = default_vcs + '+' + url
else:
raise InstallationError(
'%s should either be a path to a local project or a VCS url '
'beginning with svn+, git+, hg+, or bzr+' %
editable_req
)
vc_type = url.split('+', 1)[0].lower()
if not vcs.get_backend(vc_type):
error_message = 'For --editable=%s only ' % editable_req + \
', '.join([backend.name + '+URL' for backend in vcs.backends]) + \
' is currently supported'
raise InstallationError(error_message)
try:
options = _build_editable_options(editable_req)
except Exception as exc:
raise InstallationError(
'--editable=%s error in editable options:%s' % (editable_req, exc)
)
if not options or 'egg' not in options:
req = _build_req_from_url(editable_req)
if not req:
raise InstallationError(
'--editable=%s is not the right format; it must have '
'#egg=Package' % editable_req
)
else:
req = options['egg']
package = _strip_postfix(req)
return package, url, options