mirror of
https://github.com/pypa/pip
synced 2023-12-13 21:30:23 +01:00
81 lines
3 KiB
Python
81 lines
3 KiB
Python
from collections import defaultdict
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from logging import getLogger
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from typing import Any, DefaultDict
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from pip._vendor.resolvelib.reporters import BaseReporter
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from .base import Candidate, Requirement
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logger = getLogger(__name__)
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class PipReporter(BaseReporter):
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def __init__(self) -> None:
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self.reject_count_by_package: DefaultDict[str, int] = defaultdict(int)
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self._messages_at_reject_count = {
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1: (
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"pip is looking at multiple versions of {package_name} to "
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"determine which version is compatible with other "
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"requirements. This could take a while."
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),
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8: (
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"pip is still looking at multiple versions of {package_name} to "
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"determine which version is compatible with other "
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"requirements. This could take a while."
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),
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13: (
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"This is taking longer than usual. You might need to provide "
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"the dependency resolver with stricter constraints to reduce "
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"runtime. See https://pip.pypa.io/warnings/backtracking for "
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"guidance. If you want to abort this run, press Ctrl + C."
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),
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}
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def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None:
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self.reject_count_by_package[candidate.name] += 1
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count = self.reject_count_by_package[candidate.name]
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if count not in self._messages_at_reject_count:
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return
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message = self._messages_at_reject_count[count]
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logger.info("INFO: %s", message.format(package_name=candidate.name))
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msg = "Will try a different candidate, due to conflict:"
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for req_info in criterion.information:
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req, parent = req_info.requirement, req_info.parent
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# Inspired by Factory.get_installation_error
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msg += "\n "
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if parent:
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msg += f"{parent.name} {parent.version} depends on "
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else:
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msg += "The user requested "
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msg += req.format_for_error()
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logger.debug(msg)
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class PipDebuggingReporter(BaseReporter):
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"""A reporter that does an info log for every event it sees."""
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def starting(self) -> None:
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logger.info("Reporter.starting()")
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def starting_round(self, index: int) -> None:
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logger.info("Reporter.starting_round(%r)", index)
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def ending_round(self, index: int, state: Any) -> None:
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logger.info("Reporter.ending_round(%r, state)", index)
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def ending(self, state: Any) -> None:
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logger.info("Reporter.ending(%r)", state)
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def adding_requirement(self, requirement: Requirement, parent: Candidate) -> None:
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logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent)
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def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None:
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logger.info("Reporter.rejecting_candidate(%r, %r)", criterion, candidate)
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def pinning(self, candidate: Candidate) -> None:
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logger.info("Reporter.pinning(%r)", candidate)
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