mirror of https://github.com/pypa/pip
85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
from collections import defaultdict
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from logging import getLogger
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from pip._vendor.resolvelib.reporters import BaseReporter
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import Any, DefaultDict
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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):
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# type: () -> None
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self.backtracks_by_package = defaultdict(int) # type: DefaultDict[str, int]
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self._messages_at_backtrack = {
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1: (
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"pip is looking at multiple versions of this package 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 looking at multiple versions of this package 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. If you want to abort this run, you can press "
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"Ctrl + C to do so. To improve how pip performs, tell us what "
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"happened here: https://pip.pypa.io/surveys/backtracking"
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)
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}
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def backtracking(self, candidate):
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# type: (Candidate) -> None
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self.backtracks_by_package[candidate.name] += 1
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count = self.backtracks_by_package[candidate.name]
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if count not in self._messages_at_backtrack:
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return
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message = self._messages_at_backtrack[count]
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logger.info("INFO: %s", message)
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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):
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# type: () -> None
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logger.info("Reporter.starting()")
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def starting_round(self, index):
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# type: (int) -> None
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logger.info("Reporter.starting_round(%r)", index)
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def ending_round(self, index, state):
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# type: (int, Any) -> None
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logger.info("Reporter.ending_round(%r, state)", index)
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def ending(self, state):
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# type: (Any) -> None
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logger.info("Reporter.ending(%r)", state)
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def adding_requirement(self, requirement, parent):
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# type: (Requirement, Candidate) -> None
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logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent)
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def backtracking(self, candidate):
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# type: (Candidate) -> None
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logger.info("Reporter.backtracking(%r)", candidate)
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def pinning(self, candidate):
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# type: (Candidate) -> None
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logger.info("Reporter.pinning(%r)", candidate)
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