Python pip._vendor.packaging.specifiers.BaseSpecifier() Examples

The following are 26 code examples of pip._vendor.packaging.specifiers.BaseSpecifier(). 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._vendor.packaging.specifiers , or try the search function .
Example #1
Source File: package_finder.py    From rules_pip with MIT License 6 votes vote down vote up 
def find_best_candidate(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
        hashes=None,        # type: Optional[Hashes]
    ):
        # type: (...) -> BestCandidateResult
        """Find matches for the given project and specifier.

        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.

        :return: A `BestCandidateResult` instance.
        """
        candidates = self.find_all_candidates(project_name)
        candidate_evaluator = self.make_candidate_evaluator(
            project_name=project_name,
            specifier=specifier,
            hashes=hashes,
        )
        return candidate_evaluator.compute_best_candidate(candidates)
Example #2
Source File: index.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
        hashes=None,        # type: Optional[Hashes]
    ):
        # type: (...) -> FoundCandidates
        """Find matches for the given project and specifier.

        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.

        :return: A `FoundCandidates` instance.
        """
        candidates = self.find_all_candidates(project_name)
        candidate_evaluator = self.make_candidate_evaluator(
            project_name=project_name,
            specifier=specifier,
            hashes=hashes,
        )
        return candidate_evaluator.make_found_candidates(candidates)
Example #3
Source File: index.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 6 votes vote down vote up 
def make_candidate_evaluator(
        self,
        project_name,    # type: str
        specifier=None,  # type: Optional[specifiers.BaseSpecifier]
        hashes=None,     # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object to use.
        """
        candidate_prefs = self._candidate_prefs
        return CandidateEvaluator.create(
            project_name=project_name,
            target_python=self._target_python,
            prefer_binary=candidate_prefs.prefer_binary,
            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
            specifier=specifier,
            hashes=hashes,
        )
Example #4
Source File: index.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 6 votes vote down vote up 
def __init__(
        self,
        project_name,         # type: str
        supported_tags,       # type: List[Pep425Tag]
        specifier,            # type: specifiers.BaseSpecifier
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        hashes=None,                  # type: Optional[Hashes]
    ):
        # type: (...) -> None
        """
        :param supported_tags: The PEP 425 tags supported by the target
            Python in order of preference (most preferred first).
        """
        self._allow_all_prereleases = allow_all_prereleases
        self._hashes = hashes
        self._prefer_binary = prefer_binary
        self._project_name = project_name
        self._specifier = specifier
        self._supported_tags = supported_tags
Example #5
Source File: index.py    From Carnets with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
    ):
        """Find matches for the given project and specifier.

        If given, `specifier` should implement `filter` to allow version
        filtering (e.g. ``packaging.specifiers.SpecifierSet``).

        Returns a `FoundCandidates` instance.
        """
        if specifier is None:
            specifier = specifiers.SpecifierSet()
        return FoundCandidates.from_specifier(
            self.find_all_candidates(project_name),
            specifier=specifier,
            prereleases=(self.allow_all_prereleases or None),
            evaluator=self.candidate_evaluator,
        )
Example #6
Source File: index.py    From Carnets with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def from_specifier(
        cls,
        candidates,     # type: List[InstallationCandidate]
        specifier,      # type: specifiers.BaseSpecifier
        prereleases,    # type: Optional[bool]
        evaluator,      # type: CandidateEvaluator
    ):
        # type: (...) -> FoundCandidates
        versions = {
            str(v) for v in specifier.filter(
                # We turn the version object into a str here because otherwise
                # when we're debundled but setuptools isn't, Python will see
                # packaging.version.Version and
                # pkg_resources._vendor.packaging.version.Version as different
                # types. This way we'll use a str as a common data interchange
                # format. If we stop using the pkg_resources provided specifier
                # and start using our own, we can drop the cast to str().
                (str(c.version) for c in candidates),
                prereleases=prereleases,
            )
        }
        return cls(candidates, versions, evaluator)
Example #7
Source File: index.py    From CogAlg with MIT License 6 votes vote down vote up 
def find_best_candidate(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
        hashes=None,        # type: Optional[Hashes]
    ):
        # type: (...) -> BestCandidateResult
        """Find matches for the given project and specifier.

        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.

        :return: A `BestCandidateResult` instance.
        """
        candidates = self.find_all_candidates(project_name)
        candidate_evaluator = self.make_candidate_evaluator(
            project_name=project_name,
            specifier=specifier,
            hashes=hashes,
        )
        return candidate_evaluator.compute_best_candidate(candidates)
Example #8
Source File: index.py    From CogAlg with MIT License 6 votes vote down vote up 
def make_candidate_evaluator(
        self,
        project_name,    # type: str
        specifier=None,  # type: Optional[specifiers.BaseSpecifier]
        hashes=None,     # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object to use.
        """
        candidate_prefs = self._candidate_prefs
        return CandidateEvaluator.create(
            project_name=project_name,
            target_python=self._target_python,
            prefer_binary=candidate_prefs.prefer_binary,
            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
            specifier=specifier,
            hashes=hashes,
        )
Example #9
Source File: index.py    From CogAlg with MIT License 6 votes vote down vote up 
def __init__(
        self,
        project_name,         # type: str
        supported_tags,       # type: List[Pep425Tag]
        specifier,            # type: specifiers.BaseSpecifier
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        hashes=None,                  # type: Optional[Hashes]
    ):
        # type: (...) -> None
        """
        :param supported_tags: The PEP 425 tags supported by the target
            Python in order of preference (most preferred first).
        """
        self._allow_all_prereleases = allow_all_prereleases
        self._hashes = hashes
        self._prefer_binary = prefer_binary
        self._project_name = project_name
        self._specifier = specifier
        self._supported_tags = supported_tags
Example #10
Source File: index.py    From coffeegrindsize with MIT License 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
    ):
        """Find matches for the given project and specifier.

        If given, `specifier` should implement `filter` to allow version
        filtering (e.g. ``packaging.specifiers.SpecifierSet``).

        Returns a `FoundCandidates` instance.
        """
        if specifier is None:
            specifier = specifiers.SpecifierSet()
        return FoundCandidates.from_specifier(
            self.find_all_candidates(project_name),
            specifier=specifier,
            prereleases=(self.allow_all_prereleases or None),
            evaluator=self.candidate_evaluator,
        )
Example #11
Source File: index.py    From coffeegrindsize with MIT License 6 votes vote down vote up 
def from_specifier(
        cls,
        candidates,     # type: List[InstallationCandidate]
        specifier,      # type: specifiers.BaseSpecifier
        prereleases,    # type: Optional[bool]
        evaluator,      # type: CandidateEvaluator
    ):
        # type: (...) -> FoundCandidates
        versions = {
            str(v) for v in specifier.filter(
                # We turn the version object into a str here because otherwise
                # when we're debundled but setuptools isn't, Python will see
                # packaging.version.Version and
                # pkg_resources._vendor.packaging.version.Version as different
                # types. This way we'll use a str as a common data interchange
                # format. If we stop using the pkg_resources provided specifier
                # and start using our own, we can drop the cast to str().
                (str(c.version) for c in candidates),
                prereleases=prereleases,
            )
        }
        return cls(candidates, versions, evaluator)
Example #12
Source File: index.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def from_specifier(
        cls,
        candidates,     # type: List[InstallationCandidate]
        specifier,      # type: specifiers.BaseSpecifier
        prereleases,    # type: Optional[bool]
        evaluator,      # type: CandidateEvaluator
    ):
        # type: (...) -> FoundCandidates
        versions = {
            str(v) for v in specifier.filter(
                # We turn the version object into a str here because otherwise
                # when we're debundled but setuptools isn't, Python will see
                # packaging.version.Version and
                # pkg_resources._vendor.packaging.version.Version as different
                # types. This way we'll use a str as a common data interchange
                # format. If we stop using the pkg_resources provided specifier
                # and start using our own, we can drop the cast to str().
                (str(c.version) for c in candidates),
                prereleases=prereleases,
            )
        }
        return cls(candidates, versions, evaluator)
Example #13
Source File: package_finder.py    From rules_pip with MIT License 6 votes vote down vote up 
def make_candidate_evaluator(
        self,
        project_name,    # type: str
        specifier=None,  # type: Optional[specifiers.BaseSpecifier]
        hashes=None,     # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object to use.
        """
        candidate_prefs = self._candidate_prefs
        return CandidateEvaluator.create(
            project_name=project_name,
            target_python=self._target_python,
            prefer_binary=candidate_prefs.prefer_binary,
            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
            specifier=specifier,
            hashes=hashes,
        )
Example #14
Source File: package_finder.py    From rules_pip with MIT License 6 votes vote down vote up 
def __init__(
        self,
        project_name,         # type: str
        supported_tags,       # type: List[Tag]
        specifier,            # type: specifiers.BaseSpecifier
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        hashes=None,                  # type: Optional[Hashes]
    ):
        # type: (...) -> None
        """
        :param supported_tags: The PEP 425 tags supported by the target
            Python in order of preference (most preferred first).
        """
        self._allow_all_prereleases = allow_all_prereleases
        self._hashes = hashes
        self._prefer_binary = prefer_binary
        self._project_name = project_name
        self._specifier = specifier
        self._supported_tags = supported_tags
Example #15
Source File: index.py    From scylla with Apache License 2.0 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
    ):
        """Find matches for the given project and specifier.

        If given, `specifier` should implement `filter` to allow version
        filtering (e.g. ``packaging.specifiers.SpecifierSet``).

        Returns a `FoundCandidates` instance.
        """
        if specifier is None:
            specifier = specifiers.SpecifierSet()
        return FoundCandidates.from_specifier(
            self.find_all_candidates(project_name),
            specifier=specifier,
            prereleases=(self.allow_all_prereleases or None),
            evaluator=self.candidate_evaluator,
        )
Example #16
Source File: index.py    From scylla with Apache License 2.0 6 votes vote down vote up 
def from_specifier(
        cls,
        candidates,     # type: List[InstallationCandidate]
        specifier,      # type: specifiers.BaseSpecifier
        prereleases,    # type: Optional[bool]
        evaluator,      # type: CandidateEvaluator
    ):
        # type: (...) -> FoundCandidates
        versions = {
            str(v) for v in specifier.filter(
                # We turn the version object into a str here because otherwise
                # when we're debundled but setuptools isn't, Python will see
                # packaging.version.Version and
                # pkg_resources._vendor.packaging.version.Version as different
                # types. This way we'll use a str as a common data interchange
                # format. If we stop using the pkg_resources provided specifier
                # and start using our own, we can drop the cast to str().
                (str(c.version) for c in candidates),
                prereleases=prereleases,
            )
        }
        return cls(candidates, versions, evaluator)
Example #17
Source File: package_finder.py    From pex with Apache License 2.0 6 votes vote down vote up 
def find_best_candidate(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
        hashes=None,        # type: Optional[Hashes]
    ):
        # type: (...) -> BestCandidateResult
        """Find matches for the given project and specifier.

        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.

        :return: A `BestCandidateResult` instance.
        """
        candidates = self.find_all_candidates(project_name)
        candidate_evaluator = self.make_candidate_evaluator(
            project_name=project_name,
            specifier=specifier,
            hashes=hashes,
        )
        return candidate_evaluator.compute_best_candidate(candidates)
Example #18
Source File: package_finder.py    From pex with Apache License 2.0 6 votes vote down vote up 
def make_candidate_evaluator(
        self,
        project_name,    # type: str
        specifier=None,  # type: Optional[specifiers.BaseSpecifier]
        hashes=None,     # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object to use.
        """
        candidate_prefs = self._candidate_prefs
        return CandidateEvaluator.create(
            project_name=project_name,
            target_python=self._target_python,
            prefer_binary=candidate_prefs.prefer_binary,
            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
            specifier=specifier,
            hashes=hashes,
        )
Example #19
Source File: package_finder.py    From pex with Apache License 2.0 6 votes vote down vote up 
def __init__(
        self,
        project_name,         # type: str
        supported_tags,       # type: List[Pep425Tag]
        specifier,            # type: specifiers.BaseSpecifier
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        hashes=None,                  # type: Optional[Hashes]
    ):
        # type: (...) -> None
        """
        :param supported_tags: The PEP 425 tags supported by the target
            Python in order of preference (most preferred first).
        """
        self._allow_all_prereleases = allow_all_prereleases
        self._hashes = hashes
        self._prefer_binary = prefer_binary
        self._project_name = project_name
        self._specifier = specifier
        self._supported_tags = supported_tags
Example #20
Source File: index.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
    ):
        """Find matches for the given project and specifier.

        If given, `specifier` should implement `filter` to allow version
        filtering (e.g. ``packaging.specifiers.SpecifierSet``).

        Returns a `FoundCandidates` instance.
        """
        if specifier is None:
            specifier = specifiers.SpecifierSet()
        return FoundCandidates.from_specifier(
            self.find_all_candidates(project_name),
            specifier=specifier,
            prereleases=(self.allow_all_prereleases or None),
            evaluator=self.candidate_evaluator,
        )
Example #21
Source File: index.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def from_specifier(
        cls,
        candidates,     # type: List[InstallationCandidate]
        specifier,      # type: specifiers.BaseSpecifier
        prereleases,    # type: Optional[bool]
        evaluator,      # type: CandidateEvaluator
    ):
        # type: (...) -> FoundCandidates
        versions = {
            str(v) for v in specifier.filter(
                # We turn the version object into a str here because otherwise
                # when we're debundled but setuptools isn't, Python will see
                # packaging.version.Version and
                # pkg_resources._vendor.packaging.version.Version as different
                # types. This way we'll use a str as a common data interchange
                # format. If we stop using the pkg_resources provided specifier
                # and start using our own, we can drop the cast to str().
                (str(c.version) for c in candidates),
                prereleases=prereleases,
            )
        }
        return cls(candidates, versions, evaluator)
Example #22
Source File: index.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
def find_candidates(
        self,
        project_name,       # type: str
        specifier=None,     # type: Optional[specifiers.BaseSpecifier]
    ):
        """Find matches for the given project and specifier.

        If given, `specifier` should implement `filter` to allow version
        filtering (e.g. ``packaging.specifiers.SpecifierSet``).

        Returns a `FoundCandidates` instance.
        """
        if specifier is None:
            specifier = specifiers.SpecifierSet()
        return FoundCandidates.from_specifier(
            self.find_all_candidates(project_name),
            specifier=specifier,
            prereleases=(self.allow_all_prereleases or None),
            evaluator=self.candidate_evaluator,
        )
Example #23
Source File: package_finder.py    From rules_pip with MIT License 5 votes vote down vote up 
def create(
        cls,
        project_name,         # type: str
        target_python=None,   # type: Optional[TargetPython]
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        specifier=None,       # type: Optional[specifiers.BaseSpecifier]
        hashes=None,          # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object.

        :param target_python: The target Python interpreter to use when
            checking compatibility. If None (the default), a TargetPython
            object will be constructed from the running Python.
        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.
        :param hashes: An optional collection of allowed hashes.
        """
        if target_python is None:
            target_python = TargetPython()
        if specifier is None:
            specifier = specifiers.SpecifierSet()

        supported_tags = target_python.get_tags()

        return cls(
            project_name=project_name,
            supported_tags=supported_tags,
            specifier=specifier,
            prefer_binary=prefer_binary,
            allow_all_prereleases=allow_all_prereleases,
            hashes=hashes,
        )
Example #24
Source File: index.py    From CogAlg with MIT License 5 votes vote down vote up 
def create(
        cls,
        project_name,         # type: str
        target_python=None,   # type: Optional[TargetPython]
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        specifier=None,       # type: Optional[specifiers.BaseSpecifier]
        hashes=None,          # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object.

        :param target_python: The target Python interpreter to use when
            checking compatibility. If None (the default), a TargetPython
            object will be constructed from the running Python.
        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.
        :param hashes: An optional collection of allowed hashes.
        """
        if target_python is None:
            target_python = TargetPython()
        if specifier is None:
            specifier = specifiers.SpecifierSet()

        supported_tags = target_python.get_tags()

        return cls(
            project_name=project_name,
            supported_tags=supported_tags,
            specifier=specifier,
            prefer_binary=prefer_binary,
            allow_all_prereleases=allow_all_prereleases,
            hashes=hashes,
        )
Example #25
Source File: package_finder.py    From pex with Apache License 2.0 5 votes vote down vote up 
def create(
        cls,
        project_name,         # type: str
        target_python=None,   # type: Optional[TargetPython]
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        specifier=None,       # type: Optional[specifiers.BaseSpecifier]
        hashes=None,          # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object.

        :param target_python: The target Python interpreter to use when
            checking compatibility. If None (the default), a TargetPython
            object will be constructed from the running Python.
        :param specifier: An optional object implementing `filter`
            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
            versions.
        :param hashes: An optional collection of allowed hashes.
        """
        if target_python is None:
            target_python = TargetPython()
        if specifier is None:
            specifier = specifiers.SpecifierSet()

        supported_tags = target_python.get_tags()

        return cls(
            project_name=project_name,
            supported_tags=supported_tags,
            specifier=specifier,
            prefer_binary=prefer_binary,
            allow_all_prereleases=allow_all_prereleases,
            hashes=hashes,
        )
Example #26
Source File: index.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 5 votes vote down vote up 
def create(
        cls,
        project_name,         # type: str
        target_python=None,   # type: Optional[TargetPython]
        prefer_binary=False,  # type: bool
        allow_all_prereleases=False,  # type: bool
        specifier=None,       # type: Optional[specifiers.BaseSpecifier]
        hashes=None,          # type: Optional[Hashes]
    ):
        # type: (...) -> CandidateEvaluator
        """Create a CandidateEvaluator object.

        :param target_python: The target Python interpreter to use when
            checking compatibility. If None (the default), a TargetPython
            object will be constructed from the running Python.
        :param hashes: An optional collection of allowed hashes.
        """
        if target_python is None:
            target_python = TargetPython()
        if specifier is None:
            specifier = specifiers.SpecifierSet()

        supported_tags = target_python.get_tags()

        return cls(
            project_name=project_name,
            supported_tags=supported_tags,
            specifier=specifier,
            prefer_binary=prefer_binary,
            allow_all_prereleases=allow_all_prereleases,
            hashes=hashes,
        )