Python pip._internal.req.RequirementSet() Examples

The following are 2 code examples of pip._internal.req.RequirementSet(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pip._internal.req , or try the search function .
Example #1
Source File: pypi.py    From rules_pip with MIT License 5 votes vote down vote up 
def resolve_reqs(self, download_dir, ireq, wheel_cache):
        with get_requirement_tracker() as req_tracker, TempDirectory(
            kind="resolver"
        ) as temp_dir, indent_log():
            preparer = self.command.make_requirement_preparer(
                temp_build_dir=temp_dir,
                options=self.options,
                req_tracker=req_tracker,
                session=self.session,
                finder=self.finder,
                use_user_site=False,
                download_dir=download_dir,
                wheel_download_dir=self._wheel_download_dir,
            )

            reqset = RequirementSet()
            ireq.is_direct = True
            reqset.add_requirement(ireq)

            resolver = self.command.make_resolver(
                preparer=preparer,
                finder=self.finder,
                options=self.options,
                wheel_cache=wheel_cache,
                use_user_site=False,
                ignore_installed=True,
                ignore_requires_python=False,
                force_reinstall=False,
                upgrade_strategy="to-satisfy-only",
            )
            results = resolver._resolve_one(reqset, ireq)
            if not ireq.prepared:
                # If still not prepared, e.g. a constraint, do enough to assign
                # the ireq a name:
                resolver._get_abstract_dist_for(ireq)

            if PIP_VERSION[:2] <= (20, 0):
                reqset.cleanup_files()

        return set(results)
Example #2
Source File: install.py    From pex with Apache License 2.0 4 votes vote down vote up 
def warn_deprecated_install_options(requirement_set, options):
    # type: (RequirementSet, Optional[List[str]]) -> None
    """If any location-changing --install-option arguments were passed for
    requirements or on the command-line, then show a deprecation warning.
    """
    def format_options(option_names):
        # type: (Iterable[str]) -> List[str]
        return ["--{}".format(name.replace("_", "-")) for name in option_names]

    requirements = (
        requirement_set.unnamed_requirements +
        list(requirement_set.requirements.values())
    )

    offenders = []

    for requirement in requirements:
        install_options = requirement.options.get("install_options", [])
        location_options = parse_distutils_args(install_options)
        if location_options:
            offenders.append(
                "{!r} from {}".format(
                    format_options(location_options.keys()), requirement
                )
            )

    if options:
        location_options = parse_distutils_args(options)
        if location_options:
            offenders.append(
                "{!r} from command line".format(
                    format_options(location_options.keys())
                )
            )

    if not offenders:
        return

    deprecated(
        reason=(
            "Location-changing options found in --install-option: {}. "
            "This configuration may cause unexpected behavior and is "
            "unsupported.".format(
                "; ".join(offenders)
            )
        ),
        replacement=(
            "using pip-level options like --user, --prefix, --root, and "
            "--target"
        ),
        gone_in="20.2",
        issue=7309,
    )