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Edit File : download.py \| Size : 7.63 KB
from __future__ import absolute_import import logging import os from pip.exceptions import CommandError from pip.index import FormatControl from pip.req import RequirementSet from pip.basecommand import RequirementCommand from pip import cmdoptions from pip.utils import ensure_dir, normalize_path from pip.utils.build import BuildDirectory from pip.utils.filesystem import check_path_owner logger = logging.getLogger(__name__) class DownloadCommand(RequirementCommand): """ Download packages from: - PyPI (and other indexes) using requirement specifiers. - VCS project urls. - Local project directories. - Local or remote source archives. pip also supports downloading from "requirements files", which provide an easy way to specify a whole environment to be downloaded. """ name = 'download' 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 = 'Download packages.' def __init__(self, args, kw): super(DownloadCommand, self).__init__(args, **kw) cmd_opts = self.cmd_opts cmd_opts.add_option(cmdoptions.constraints()) cmd_opts.add_option(cmdoptions.editable()) cmd_opts.add_option(cmdoptions.requirements()) cmd_opts.add_option(cmdoptions.build_dir()) cmd_opts.add_option(cmdoptions.no_deps()) cmd_opts.add_option(cmdoptions.global_options()) cmd_opts.add_option(cmdoptions.no_binary()) cmd_opts.add_option(cmdoptions.only_binary()) cmd_opts.add_option(cmdoptions.src()) cmd_opts.add_option(cmdoptions.pre()) cmd_opts.add_option(cmdoptions.no_clean()) cmd_opts.add_option(cmdoptions.require_hashes()) cmd_opts.add_option( '-d', '--dest', '--destination-dir', '--destination-directory', dest='download_dir', metavar='dir', default=os.curdir, help=("Download packages into <dir>."), ) cmd_opts.add_option( '--platform', dest='platform', metavar='platform', default=None, help=("Only download wheels compatible with <platform>. " "Defaults to the platform of the running system."), ) cmd_opts.add_option( '--python-version', dest='python_version', metavar='python_version', default=None, help=("Only download wheels compatible with Python " "interpreter version <version>. If not specified, then the " "current system interpreter minor version is used. A major " "version (e.g. '2') can be specified to match all " "minor revs of that major version. A minor version " "(e.g. '34') can also be specified."), ) cmd_opts.add_option( '--implementation', dest='implementation', metavar='implementation', default=None, help=("Only download wheels compatible with Python " "implementation <implementation>, e.g. 'pp', 'jy', 'cp', " " or 'ip'. If not specified, then the current " "interpreter implementation is used. Use 'py' to force " "implementation-agnostic wheels."), ) cmd_opts.add_option( '--abi', dest='abi', metavar='abi', default=None, help=("Only download wheels compatible with Python " "abi <abi>, e.g. 'pypy_41'. If not specified, then the " "current interpreter abi tag is used. Generally " "you will need to specify --implementation, " "--platform, and --python-version when using " "this option."), ) index_opts = cmdoptions.make_option_group( cmdoptions.non_deprecated_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): options.ignore_installed = True if options.python_version: python_versions = [options.python_version] else: python_versions = None dist_restriction_set = any([ options.python_version, options.platform, options.abi, options.implementation, ]) binary_only = FormatControl(set(), set([':all:'])) if dist_restriction_set and options.format_control != binary_only: raise CommandError( "--only-binary=:all: must be set and --no-binary must not " "be set (or must be set to :none:) when restricting platform " "and interpreter constraints using --python-version, " "--platform, --abi, or --implementation." ) options.src_dir = os.path.abspath(options.src_dir) options.download_dir = normalize_path(options.download_dir) ensure_dir(options.download_dir) 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)) 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 BuildDirectory(options.build_dir, delete=build_delete) as build_dir: requirement_set = RequirementSet( build_dir=build_dir, src_dir=options.src_dir, download_dir=options.download_dir, ignore_installed=True, ignore_dependencies=options.ignore_dependencies, session=session, isolated=options.isolated_mode, require_hashes=options.require_hashes ) self.populate_requirement_set( requirement_set, args, options, finder, session, self.name, None ) if not requirement_set.has_requirements: return requirement_set.prepare_files(finder) downloaded = ' '.join([ req.name for req in requirement_set.successfully_downloaded ]) if downloaded: logger.info( 'Successfully downloaded %s', downloaded ) # Clean up if not options.no_clean: requirement_set.cleanup_files() return requirement_set Back

Edit File : download.py | Size : 7.63 KB

from __future__ import absolute_import

import logging
import os

from pip.exceptions import CommandError
from pip.index import FormatControl
from pip.req import RequirementSet
from pip.basecommand import RequirementCommand
from pip import cmdoptions
from pip.utils import ensure_dir, normalize_path
from pip.utils.build import BuildDirectory
from pip.utils.filesystem import check_path_owner

logger = logging.getLogger(__name__)

class DownloadCommand(RequirementCommand):
    """
    Download packages from:

- PyPI (and other indexes) using requirement specifiers.
    - VCS project urls.
    - Local project directories.
    - Local or remote source archives.

pip also supports downloading from "requirements files", which provide
    an easy way to specify a whole environment to be downloaded.
    """
    name = 'download'

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 = 'Download packages.'

def __init__(self, *args, **kw):
        super(DownloadCommand, self).__init__(*args, **kw)

cmd_opts = self.cmd_opts

cmd_opts.add_option(cmdoptions.constraints())
        cmd_opts.add_option(cmdoptions.editable())
        cmd_opts.add_option(cmdoptions.requirements())
        cmd_opts.add_option(cmdoptions.build_dir())
        cmd_opts.add_option(cmdoptions.no_deps())
        cmd_opts.add_option(cmdoptions.global_options())
        cmd_opts.add_option(cmdoptions.no_binary())
        cmd_opts.add_option(cmdoptions.only_binary())
        cmd_opts.add_option(cmdoptions.src())
        cmd_opts.add_option(cmdoptions.pre())
        cmd_opts.add_option(cmdoptions.no_clean())
        cmd_opts.add_option(cmdoptions.require_hashes())

cmd_opts.add_option(
            '-d', '--dest', '--destination-dir', '--destination-directory',
            dest='download_dir',
            metavar='dir',
            default=os.curdir,
            help=("Download packages into <dir>."),
        )

cmd_opts.add_option(
            '--platform',
            dest='platform',
            metavar='platform',
            default=None,
            help=("Only download wheels compatible with <platform>. "
                  "Defaults to the platform of the running system."),
        )

cmd_opts.add_option(
            '--python-version',
            dest='python_version',
            metavar='python_version',
            default=None,
            help=("Only download wheels compatible with Python "
                  "interpreter version <version>. If not specified, then the "
                  "current system interpreter minor version is used. A major "
                  "version (e.g. '2') can be specified to match all "
                  "minor revs of that major version.  A minor version "
                  "(e.g. '34') can also be specified."),
        )

cmd_opts.add_option(
            '--implementation',
            dest='implementation',
            metavar='implementation',
            default=None,
            help=("Only download wheels compatible with Python "
                  "implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
                  " or 'ip'. If not specified, then the current "
                  "interpreter implementation is used.  Use 'py' to force "
                  "implementation-agnostic wheels."),
        )

cmd_opts.add_option(
            '--abi',
            dest='abi',
            metavar='abi',
            default=None,
            help=("Only download wheels compatible with Python "
                  "abi <abi>, e.g. 'pypy_41'.  If not specified, then the "
                  "current interpreter abi tag is used.  Generally "
                  "you will need to specify --implementation, "
                  "--platform, and --python-version when using "
                  "this option."),
        )

index_opts = cmdoptions.make_option_group(
            cmdoptions.non_deprecated_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):
        options.ignore_installed = True

if options.python_version:
            python_versions = [options.python_version]
        else:
            python_versions = None

dist_restriction_set = any([
            options.python_version,
            options.platform,
            options.abi,
            options.implementation,
        ])
        binary_only = FormatControl(set(), set([':all:']))
        if dist_restriction_set and options.format_control != binary_only:
            raise CommandError(
                "--only-binary=:all: must be set and --no-binary must not "
                "be set (or must be set to :none:) when restricting platform "
                "and interpreter constraints using --python-version, "
                "--platform, --abi, or --implementation."
            )

options.src_dir = os.path.abspath(options.src_dir)
        options.download_dir = normalize_path(options.download_dir)

ensure_dir(options.download_dir)

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))
            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 BuildDirectory(options.build_dir,
                                delete=build_delete) as build_dir:

requirement_set = RequirementSet(
                    build_dir=build_dir,
                    src_dir=options.src_dir,
                    download_dir=options.download_dir,
                    ignore_installed=True,
                    ignore_dependencies=options.ignore_dependencies,
                    session=session,
                    isolated=options.isolated_mode,
                    require_hashes=options.require_hashes
                )
                self.populate_requirement_set(
                    requirement_set,
                    args,
                    options,
                    finder,
                    session,
                    self.name,
                    None
                )

if not requirement_set.has_requirements:
                    return

requirement_set.prepare_files(finder)

downloaded = ' '.join([
                    req.name for req in requirement_set.successfully_downloaded
                ])
                if downloaded:
                    logger.info(
                        'Successfully downloaded %s', downloaded
                    )

# Clean up
                if not options.no_clean:
                    requirement_set.cleanup_files()

return requirement_set

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