Python pip._vendor.packaging.markers.Marker() Examples

The following are 12 code examples of pip._vendor.packaging.markers.Marker(). 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.markers , or try the search function .
Example #1
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def __and__(self, other: Optional[PackageMarker]) -> "Marker":
        """Intersect the two markers."""
        if other is None or self == other:
            return self
        lhs = f"({self})" if "or" in self._markers else str(self)
        rhs = f"({other})" if "or" in other._markers else str(other)
        marker_str = f"{lhs} and {rhs}"
        return type(self)(marker_str)
Example #2
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def __rand__(self, other: Optional[PackageMarker]) -> "Marker":
        if other is None or self == other:
            return self
        rhs = f"({self})" if "or" in self._markers else str(self)
        lhs = f"({other})" if "or" in other._markers else str(other)
        marker_str = f"{lhs} and {rhs}"
        return type(self)(marker_str)
Example #3
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def __or__(self, other: Optional[PackageMarker]) -> "Marker":
        """Union the two markers."""
        if None in (self, other):
            return None
        if self == other:
            return self
        marker_str = f"{self} or {other}"
        return type(self)(marker_str)
Example #4
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def __ror__(self, other: Optional[PackageMarker]) -> "Marker":
        if None in (self, other):
            return None
        if self == other:
            return self
        marker_str = f"{other} or {self}"
        return type(self)(marker_str)
Example #5
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def __eq__(self, other: Any) -> bool:
        if not isinstance(other, PackageMarker):
            return False
        return str(self) == str(other)
Example #6
Source File: markers.py    From pdm with MIT License 5 votes vote down vote up 
def split_marker_extras(
    marker: PackageMarker,
) -> Tuple[Sequence[str], Optional[Marker]]:
    """An element can be stripped from the marker only if all parts are connected
    with `and` operater. The rest part are returned as a string or `None` if all are
    stripped.

    :param marker: the input marker string
    :returns: an iterable of (op, value) pairs together with the stripped part.
    """
    if "or" in marker._markers:
        if "and" in marker._markers or any(
            not isinstance(p, tuple) or p[0].value != "extra"
            for p in marker._markers
            if p != "or"
        ):
            return [], marker
    result = []
    bare_markers = [m for m in marker._markers if m not in ("and", "or")]
    for m in bare_markers[:]:
        if not isinstance(m, tuple):
            continue
        if m[0].value == "extra":
            if m[1].value == "==":
                result.append(m[2].value)
            elif m[1].value == "in":
                result.extend(v.strip() for v in m[2].value.split(","))
            bare_markers.remove(m)
    new_markers = join_list_with(bare_markers, "and")
    if not new_markers:
        return result, None
    marker._markers = new_markers
    return result, marker
Example #7
Source File: req_install.py    From kobo-predict with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
def match_markers(self):
        if self.markers is not None:
            return Marker(self.markers).evaluate()
        else:
            return True
Example #8
Source File: constructors.py    From pex with Apache License 2.0 5 votes vote down vote up 
def __init__(
            self,
            requirement,  # type: Optional[Requirement]
            link,         # type: Optional[Link]
            markers,      # type: Optional[Marker]
            extras,       # type: Set[str]
    ):
        self.requirement = requirement
        self.link = link
        self.markers = markers
        self.extras = extras
Example #9
Source File: req_install.py    From Financial-Portfolio-Flask with MIT License 5 votes vote down vote up 
def match_markers(self):
        if self.markers is not None:
            return Marker(self.markers).evaluate()
        else:
            return True
Example #10
Source File: constructors.py    From rules_pip with MIT License 5 votes vote down vote up 
def __init__(
            self,
            requirement,  # type: Optional[Requirement]
            link,         # type: Optional[Link]
            markers,      # type: Optional[Marker]
            extras,       # type: Set[str]
    ):
        self.requirement = requirement
        self.link = link
        self.markers = markers
        self.extras = extras
Example #11
Source File: req_install.py    From syntheticmass with Apache License 2.0 5 votes vote down vote up 
def match_markers(self):
        if self.markers is not None:
            return Marker(self.markers).evaluate()
        else:
            return True
Example #12
Source File: constructors.py    From CogAlg with MIT License 5 votes vote down vote up 
def __init__(
            self,
            requirement,  # type: Optional[Requirement]
            link,         # type: Optional[Link]
            markers,      # type: Optional[Marker]
            extras,       # type: Set[str]
    ):
        self.requirement = requirement
        self.link = link
        self.markers = markers
        self.extras = extras