mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-09-10 01:03:07 +02:00
567 lines
22 KiB
Python
567 lines
22 KiB
Python
![]() |
from __future__ import absolute_import
|
||
|
|
||
|
import errno
|
||
|
import logging
|
||
|
import operator
|
||
|
import os
|
||
|
import shutil
|
||
|
from optparse import SUPPRESS_HELP
|
||
|
|
||
|
from pip._vendor import pkg_resources
|
||
|
|
||
|
from pip._internal.cache import WheelCache
|
||
|
from pip._internal.cli import cmdoptions
|
||
|
from pip._internal.cli.base_command import RequirementCommand
|
||
|
from pip._internal.cli.status_codes import ERROR
|
||
|
from pip._internal.exceptions import (
|
||
|
CommandError, InstallationError, PreviousBuildDirError,
|
||
|
)
|
||
|
from pip._internal.locations import distutils_scheme, virtualenv_no_global
|
||
|
from pip._internal.operations.check import check_install_conflicts
|
||
|
from pip._internal.operations.prepare import RequirementPreparer
|
||
|
from pip._internal.req import RequirementSet, install_given_reqs
|
||
|
from pip._internal.req.req_tracker import RequirementTracker
|
||
|
from pip._internal.resolve import Resolver
|
||
|
from pip._internal.utils.filesystem import check_path_owner
|
||
|
from pip._internal.utils.misc import (
|
||
|
ensure_dir, get_installed_version,
|
||
|
protect_pip_from_modification_on_windows,
|
||
|
)
|
||
|
from pip._internal.utils.temp_dir import TempDirectory
|
||
|
from pip._internal.wheel import WheelBuilder
|
||
|
|
||
|
logger = logging.getLogger(__name__)
|
||
|
|
||
|
|
||
|
class InstallCommand(RequirementCommand):
|
||
|
"""
|
||
|
Install packages from:
|
||
|
|
||
|
- PyPI (and other indexes) using requirement specifiers.
|
||
|
- VCS project urls.
|
||
|
- Local project directories.
|
||
|
- Local or remote source archives.
|
||
|
|
||
|
pip also supports installing from "requirements files", which provide
|
||
|
an easy way to specify a whole environment to be installed.
|
||
|
"""
|
||
|
name = 'install'
|
||
|
|
||
|
usage = """
|
||
|
%prog [options] <requirement specifier> [package-index-options] ...
|
||
|
%prog [options] -r <requirements file> [package-index-options] ...
|
||
|
%prog [options] [-e] <vcs project url> ...
|
||
|
%prog [options] [-e] <local project path> ...
|
||
|
%prog [options] <archive url/path> ..."""
|
||
|
|
||
|
summary = 'Install packages.'
|
||
|
|
||
|
def __init__(self, *args, **kw):
|
||
|
super(InstallCommand, self).__init__(*args, **kw)
|
||
|
|
||
|
cmd_opts = self.cmd_opts
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.requirements())
|
||
|
cmd_opts.add_option(cmdoptions.constraints())
|
||
|
cmd_opts.add_option(cmdoptions.no_deps())
|
||
|
cmd_opts.add_option(cmdoptions.pre())
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.editable())
|
||
|
cmd_opts.add_option(
|
||
|
'-t', '--target',
|
||
|
dest='target_dir',
|
||
|
metavar='dir',
|
||
|
default=None,
|
||
|
help='Install packages into <dir>. '
|
||
|
'By default this will not replace existing files/folders in '
|
||
|
'<dir>. Use --upgrade to replace existing packages in <dir> '
|
||
|
'with new versions.'
|
||
|
)
|
||
|
cmd_opts.add_option(cmdoptions.platform())
|
||
|
cmd_opts.add_option(cmdoptions.python_version())
|
||
|
cmd_opts.add_option(cmdoptions.implementation())
|
||
|
cmd_opts.add_option(cmdoptions.abi())
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
'--user',
|
||
|
dest='use_user_site',
|
||
|
action='store_true',
|
||
|
help="Install to the Python user install directory for your "
|
||
|
"platform. Typically ~/.local/, or %APPDATA%\\Python on "
|
||
|
"Windows. (See the Python documentation for site.USER_BASE "
|
||
|
"for full details.)")
|
||
|
cmd_opts.add_option(
|
||
|
'--no-user',
|
||
|
dest='use_user_site',
|
||
|
action='store_false',
|
||
|
help=SUPPRESS_HELP)
|
||
|
cmd_opts.add_option(
|
||
|
'--root',
|
||
|
dest='root_path',
|
||
|
metavar='dir',
|
||
|
default=None,
|
||
|
help="Install everything relative to this alternate root "
|
||
|
"directory.")
|
||
|
cmd_opts.add_option(
|
||
|
'--prefix',
|
||
|
dest='prefix_path',
|
||
|
metavar='dir',
|
||
|
default=None,
|
||
|
help="Installation prefix where lib, bin and other top-level "
|
||
|
"folders are placed")
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.build_dir())
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.src())
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
'-U', '--upgrade',
|
||
|
dest='upgrade',
|
||
|
action='store_true',
|
||
|
help='Upgrade all specified packages to the newest available '
|
||
|
'version. The handling of dependencies depends on the '
|
||
|
'upgrade-strategy used.'
|
||
|
)
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
'--upgrade-strategy',
|
||
|
dest='upgrade_strategy',
|
||
|
default='only-if-needed',
|
||
|
choices=['only-if-needed', 'eager'],
|
||
|
help='Determines how dependency upgrading should be handled '
|
||
|
'[default: %default]. '
|
||
|
'"eager" - dependencies are upgraded regardless of '
|
||
|
'whether the currently installed version satisfies the '
|
||
|
'requirements of the upgraded package(s). '
|
||
|
'"only-if-needed" - are upgraded only when they do not '
|
||
|
'satisfy the requirements of the upgraded package(s).'
|
||
|
)
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
'--force-reinstall',
|
||
|
dest='force_reinstall',
|
||
|
action='store_true',
|
||
|
help='Reinstall all packages even if they are already '
|
||
|
'up-to-date.')
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
'-I', '--ignore-installed',
|
||
|
dest='ignore_installed',
|
||
|
action='store_true',
|
||
|
help='Ignore the installed packages (reinstalling instead).')
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.ignore_requires_python())
|
||
|
cmd_opts.add_option(cmdoptions.no_build_isolation())
|
||
|
cmd_opts.add_option(cmdoptions.use_pep517())
|
||
|
cmd_opts.add_option(cmdoptions.no_use_pep517())
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.install_options())
|
||
|
cmd_opts.add_option(cmdoptions.global_options())
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
"--compile",
|
||
|
action="store_true",
|
||
|
dest="compile",
|
||
|
default=True,
|
||
|
help="Compile Python source files to bytecode",
|
||
|
)
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
"--no-compile",
|
||
|
action="store_false",
|
||
|
dest="compile",
|
||
|
help="Do not compile Python source files to bytecode",
|
||
|
)
|
||
|
|
||
|
cmd_opts.add_option(
|
||
|
"--no-warn-script-location",
|
||
|
action="store_false",
|
||
|
dest="warn_script_location",
|
||
|
default=True,
|
||
|
help="Do not warn when installing scripts outside PATH",
|
||
|
)
|
||
|
cmd_opts.add_option(
|
||
|
"--no-warn-conflicts",
|
||
|
action="store_false",
|
||
|
dest="warn_about_conflicts",
|
||
|
default=True,
|
||
|
help="Do not warn about broken dependencies",
|
||
|
)
|
||
|
|
||
|
cmd_opts.add_option(cmdoptions.no_binary())
|
||
|
cmd_opts.add_option(cmdoptions.only_binary())
|
||
|
cmd_opts.add_option(cmdoptions.prefer_binary())
|
||
|
cmd_opts.add_option(cmdoptions.no_clean())
|
||
|
cmd_opts.add_option(cmdoptions.require_hashes())
|
||
|
cmd_opts.add_option(cmdoptions.progress_bar())
|
||
|
|
||
|
index_opts = cmdoptions.make_option_group(
|
||
|
cmdoptions.index_group,
|
||
|
self.parser,
|
||
|
)
|
||
|
|
||
|
self.parser.insert_option_group(0, index_opts)
|
||
|
self.parser.insert_option_group(0, cmd_opts)
|
||
|
|
||
|
def run(self, options, args):
|
||
|
cmdoptions.check_install_build_global(options)
|
||
|
upgrade_strategy = "to-satisfy-only"
|
||
|
if options.upgrade:
|
||
|
upgrade_strategy = options.upgrade_strategy
|
||
|
|
||
|
if options.build_dir:
|
||
|
options.build_dir = os.path.abspath(options.build_dir)
|
||
|
|
||
|
cmdoptions.check_dist_restriction(options, check_target=True)
|
||
|
|
||
|
if options.python_version:
|
||
|
python_versions = [options.python_version]
|
||
|
else:
|
||
|
python_versions = None
|
||
|
|
||
|
options.src_dir = os.path.abspath(options.src_dir)
|
||
|
install_options = options.install_options or []
|
||
|
if options.use_user_site:
|
||
|
if options.prefix_path:
|
||
|
raise CommandError(
|
||
|
"Can not combine '--user' and '--prefix' as they imply "
|
||
|
"different installation locations"
|
||
|
)
|
||
|
if virtualenv_no_global():
|
||
|
raise InstallationError(
|
||
|
"Can not perform a '--user' install. User site-packages "
|
||
|
"are not visible in this virtualenv."
|
||
|
)
|
||
|
install_options.append('--user')
|
||
|
install_options.append('--prefix=')
|
||
|
|
||
|
target_temp_dir = TempDirectory(kind="target")
|
||
|
if options.target_dir:
|
||
|
options.ignore_installed = True
|
||
|
options.target_dir = os.path.abspath(options.target_dir)
|
||
|
if (os.path.exists(options.target_dir) and not
|
||
|
os.path.isdir(options.target_dir)):
|
||
|
raise CommandError(
|
||
|
"Target path exists but is not a directory, will not "
|
||
|
"continue."
|
||
|
)
|
||
|
|
||
|
# Create a target directory for using with the target option
|
||
|
target_temp_dir.create()
|
||
|
install_options.append('--home=' + target_temp_dir.path)
|
||
|
|
||
|
global_options = options.global_options or []
|
||
|
|
||
|
with self._build_session(options) as session:
|
||
|
finder = self._build_package_finder(
|
||
|
options=options,
|
||
|
session=session,
|
||
|
platform=options.platform,
|
||
|
python_versions=python_versions,
|
||
|
abi=options.abi,
|
||
|
implementation=options.implementation,
|
||
|
)
|
||
|
build_delete = (not (options.no_clean or options.build_dir))
|
||
|
wheel_cache = WheelCache(options.cache_dir, options.format_control)
|
||
|
|
||
|
if options.cache_dir and not check_path_owner(options.cache_dir):
|
||
|
logger.warning(
|
||
|
"The directory '%s' or its parent directory is not owned "
|
||
|
"by the current user and caching wheels has been "
|
||
|
"disabled. check the permissions and owner of that "
|
||
|
"directory. If executing pip with sudo, you may want "
|
||
|
"sudo's -H flag.",
|
||
|
options.cache_dir,
|
||
|
)
|
||
|
options.cache_dir = None
|
||
|
|
||
|
with RequirementTracker() as req_tracker, TempDirectory(
|
||
|
options.build_dir, delete=build_delete, kind="install"
|
||
|
) as directory:
|
||
|
requirement_set = RequirementSet(
|
||
|
require_hashes=options.require_hashes,
|
||
|
check_supported_wheels=not options.target_dir,
|
||
|
)
|
||
|
|
||
|
try:
|
||
|
self.populate_requirement_set(
|
||
|
requirement_set, args, options, finder, session,
|
||
|
self.name, wheel_cache
|
||
|
)
|
||
|
preparer = RequirementPreparer(
|
||
|
build_dir=directory.path,
|
||
|
src_dir=options.src_dir,
|
||
|
download_dir=None,
|
||
|
wheel_download_dir=None,
|
||
|
progress_bar=options.progress_bar,
|
||
|
build_isolation=options.build_isolation,
|
||
|
req_tracker=req_tracker,
|
||
|
)
|
||
|
|
||
|
resolver = Resolver(
|
||
|
preparer=preparer,
|
||
|
finder=finder,
|
||
|
session=session,
|
||
|
wheel_cache=wheel_cache,
|
||
|
use_user_site=options.use_user_site,
|
||
|
upgrade_strategy=upgrade_strategy,
|
||
|
force_reinstall=options.force_reinstall,
|
||
|
ignore_dependencies=options.ignore_dependencies,
|
||
|
ignore_requires_python=options.ignore_requires_python,
|
||
|
ignore_installed=options.ignore_installed,
|
||
|
isolated=options.isolated_mode,
|
||
|
use_pep517=options.use_pep517
|
||
|
)
|
||
|
resolver.resolve(requirement_set)
|
||
|
|
||
|
protect_pip_from_modification_on_windows(
|
||
|
modifying_pip=requirement_set.has_requirement("pip")
|
||
|
)
|
||
|
|
||
|
# Consider legacy and PEP517-using requirements separately
|
||
|
legacy_requirements = []
|
||
|
pep517_requirements = []
|
||
|
for req in requirement_set.requirements.values():
|
||
|
if req.use_pep517:
|
||
|
pep517_requirements.append(req)
|
||
|
else:
|
||
|
legacy_requirements.append(req)
|
||
|
|
||
|
# We don't build wheels for legacy requirements if we
|
||
|
# don't have wheel installed or we don't have a cache dir
|
||
|
try:
|
||
|
import wheel # noqa: F401
|
||
|
build_legacy = bool(options.cache_dir)
|
||
|
except ImportError:
|
||
|
build_legacy = False
|
||
|
|
||
|
wb = WheelBuilder(
|
||
|
finder, preparer, wheel_cache,
|
||
|
build_options=[], global_options=[],
|
||
|
)
|
||
|
|
||
|
# Always build PEP 517 requirements
|
||
|
build_failures = wb.build(
|
||
|
pep517_requirements,
|
||
|
session=session, autobuilding=True
|
||
|
)
|
||
|
|
||
|
if build_legacy:
|
||
|
# We don't care about failures building legacy
|
||
|
# requirements, as we'll fall through to a direct
|
||
|
# install for those.
|
||
|
wb.build(
|
||
|
legacy_requirements,
|
||
|
session=session, autobuilding=True
|
||
|
)
|
||
|
|
||
|
# If we're using PEP 517, we cannot do a direct install
|
||
|
# so we fail here.
|
||
|
if build_failures:
|
||
|
raise InstallationError(
|
||
|
"Could not build wheels for {} which use"
|
||
|
" PEP 517 and cannot be installed directly".format(
|
||
|
", ".join(r.name for r in build_failures)))
|
||
|
|
||
|
to_install = resolver.get_installation_order(
|
||
|
requirement_set
|
||
|
)
|
||
|
|
||
|
# Consistency Checking of the package set we're installing.
|
||
|
should_warn_about_conflicts = (
|
||
|
not options.ignore_dependencies and
|
||
|
options.warn_about_conflicts
|
||
|
)
|
||
|
if should_warn_about_conflicts:
|
||
|
self._warn_about_conflicts(to_install)
|
||
|
|
||
|
# Don't warn about script install locations if
|
||
|
# --target has been specified
|
||
|
warn_script_location = options.warn_script_location
|
||
|
if options.target_dir:
|
||
|
warn_script_location = False
|
||
|
|
||
|
installed = install_given_reqs(
|
||
|
to_install,
|
||
|
install_options,
|
||
|
global_options,
|
||
|
root=options.root_path,
|
||
|
home=target_temp_dir.path,
|
||
|
prefix=options.prefix_path,
|
||
|
pycompile=options.compile,
|
||
|
warn_script_location=warn_script_location,
|
||
|
use_user_site=options.use_user_site,
|
||
|
)
|
||
|
|
||
|
lib_locations = get_lib_location_guesses(
|
||
|
user=options.use_user_site,
|
||
|
home=target_temp_dir.path,
|
||
|
root=options.root_path,
|
||
|
prefix=options.prefix_path,
|
||
|
isolated=options.isolated_mode,
|
||
|
)
|
||
|
working_set = pkg_resources.WorkingSet(lib_locations)
|
||
|
|
||
|
reqs = sorted(installed, key=operator.attrgetter('name'))
|
||
|
items = []
|
||
|
for req in reqs:
|
||
|
item = req.name
|
||
|
try:
|
||
|
installed_version = get_installed_version(
|
||
|
req.name, working_set=working_set
|
||
|
)
|
||
|
if installed_version:
|
||
|
item += '-' + installed_version
|
||
|
except Exception:
|
||
|
pass
|
||
|
items.append(item)
|
||
|
installed = ' '.join(items)
|
||
|
if installed:
|
||
|
logger.info('Successfully installed %s', installed)
|
||
|
except EnvironmentError as error:
|
||
|
show_traceback = (self.verbosity >= 1)
|
||
|
|
||
|
message = create_env_error_message(
|
||
|
error, show_traceback, options.use_user_site,
|
||
|
)
|
||
|
logger.error(message, exc_info=show_traceback)
|
||
|
|
||
|
return ERROR
|
||
|
except PreviousBuildDirError:
|
||
|
options.no_clean = True
|
||
|
raise
|
||
|
finally:
|
||
|
# Clean up
|
||
|
if not options.no_clean:
|
||
|
requirement_set.cleanup_files()
|
||
|
wheel_cache.cleanup()
|
||
|
|
||
|
if options.target_dir:
|
||
|
self._handle_target_dir(
|
||
|
options.target_dir, target_temp_dir, options.upgrade
|
||
|
)
|
||
|
return requirement_set
|
||
|
|
||
|
def _handle_target_dir(self, target_dir, target_temp_dir, upgrade):
|
||
|
ensure_dir(target_dir)
|
||
|
|
||
|
# Checking both purelib and platlib directories for installed
|
||
|
# packages to be moved to target directory
|
||
|
lib_dir_list = []
|
||
|
|
||
|
with target_temp_dir:
|
||
|
# Checking both purelib and platlib directories for installed
|
||
|
# packages to be moved to target directory
|
||
|
scheme = distutils_scheme('', home=target_temp_dir.path)
|
||
|
purelib_dir = scheme['purelib']
|
||
|
platlib_dir = scheme['platlib']
|
||
|
data_dir = scheme['data']
|
||
|
|
||
|
if os.path.exists(purelib_dir):
|
||
|
lib_dir_list.append(purelib_dir)
|
||
|
if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
|
||
|
lib_dir_list.append(platlib_dir)
|
||
|
if os.path.exists(data_dir):
|
||
|
lib_dir_list.append(data_dir)
|
||
|
|
||
|
for lib_dir in lib_dir_list:
|
||
|
for item in os.listdir(lib_dir):
|
||
|
if lib_dir == data_dir:
|
||
|
ddir = os.path.join(data_dir, item)
|
||
|
if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
|
||
|
continue
|
||
|
target_item_dir = os.path.join(target_dir, item)
|
||
|
if os.path.exists(target_item_dir):
|
||
|
if not upgrade:
|
||
|
logger.warning(
|
||
|
'Target directory %s already exists. Specify '
|
||
|
'--upgrade to force replacement.',
|
||
|
target_item_dir
|
||
|
)
|
||
|
continue
|
||
|
if os.path.islink(target_item_dir):
|
||
|
logger.warning(
|
||
|
'Target directory %s already exists and is '
|
||
|
'a link. Pip will not automatically replace '
|
||
|
'links, please remove if replacement is '
|
||
|
'desired.',
|
||
|
target_item_dir
|
||
|
)
|
||
|
continue
|
||
|
if os.path.isdir(target_item_dir):
|
||
|
shutil.rmtree(target_item_dir)
|
||
|
else:
|
||
|
os.remove(target_item_dir)
|
||
|
|
||
|
shutil.move(
|
||
|
os.path.join(lib_dir, item),
|
||
|
target_item_dir
|
||
|
)
|
||
|
|
||
|
def _warn_about_conflicts(self, to_install):
|
||
|
try:
|
||
|
package_set, _dep_info = check_install_conflicts(to_install)
|
||
|
except Exception:
|
||
|
logger.error("Error checking for conflicts.", exc_info=True)
|
||
|
return
|
||
|
missing, conflicting = _dep_info
|
||
|
|
||
|
# NOTE: There is some duplication here from pip check
|
||
|
for project_name in missing:
|
||
|
version = package_set[project_name][0]
|
||
|
for dependency in missing[project_name]:
|
||
|
logger.critical(
|
||
|
"%s %s requires %s, which is not installed.",
|
||
|
project_name, version, dependency[1],
|
||
|
)
|
||
|
|
||
|
for project_name in conflicting:
|
||
|
version = package_set[project_name][0]
|
||
|
for dep_name, dep_version, req in conflicting[project_name]:
|
||
|
logger.critical(
|
||
|
"%s %s has requirement %s, but you'll have %s %s which is "
|
||
|
"incompatible.",
|
||
|
project_name, version, req, dep_name, dep_version,
|
||
|
)
|
||
|
|
||
|
|
||
|
def get_lib_location_guesses(*args, **kwargs):
|
||
|
scheme = distutils_scheme('', *args, **kwargs)
|
||
|
return [scheme['purelib'], scheme['platlib']]
|
||
|
|
||
|
|
||
|
def create_env_error_message(error, show_traceback, using_user_site):
|
||
|
"""Format an error message for an EnvironmentError
|
||
|
|
||
|
It may occur anytime during the execution of the install command.
|
||
|
"""
|
||
|
parts = []
|
||
|
|
||
|
# Mention the error if we are not going to show a traceback
|
||
|
parts.append("Could not install packages due to an EnvironmentError")
|
||
|
if not show_traceback:
|
||
|
parts.append(": ")
|
||
|
parts.append(str(error))
|
||
|
else:
|
||
|
parts.append(".")
|
||
|
|
||
|
# Spilt the error indication from a helper message (if any)
|
||
|
parts[-1] += "\n"
|
||
|
|
||
|
# Suggest useful actions to the user:
|
||
|
# (1) using user site-packages or (2) verifying the permissions
|
||
|
if error.errno == errno.EACCES:
|
||
|
user_option_part = "Consider using the `--user` option"
|
||
|
permissions_part = "Check the permissions"
|
||
|
|
||
|
if not using_user_site:
|
||
|
parts.extend([
|
||
|
user_option_part, " or ",
|
||
|
permissions_part.lower(),
|
||
|
])
|
||
|
else:
|
||
|
parts.append(permissions_part)
|
||
|
parts.append(".\n")
|
||
|
|
||
|
return "".join(parts).strip() + "\n"
|