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