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Name	Size	Perms	Modified	Actions
[ .. / .. ]
__init__.py	0 B	-rw-r--r--	2023-02-03 07:20:04	Edit Del
__pycache__	-	drwxr-xr-x	2023-02-03 07:20:04	Del
base.py	5.1 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
candidates.py	18.52 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
factory.py	27.22 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
found_candidates.py	5.57 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
provider.py	9.68 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
reporter.py	2.47 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
requirements.py	5.33 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del
resolver.py	11.26 KB	-rw-r--r--	2023-02-03 07:20:04	Edit Del

Editing: reporter.py (2.47 KB)

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.backtracks_by_package: DefaultDict[str, int] = defaultdict(int)

        self._messages_at_backtrack = {
            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 backtracking(self, candidate: Candidate) -> None:
        self.backtracks_by_package[candidate.name] += 1

        count = self.backtracks_by_package[candidate.name]
        if count not in self._messages_at_backtrack:
            return

        message = self._messages_at_backtrack[count]
        logger.info("INFO: %s", message.format(package_name=candidate.name))


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 backtracking(self, candidate: Candidate) -> None:
        logger.info("Reporter.backtracking(%r)", candidate)

    def pinning(self, candidate: Candidate) -> None:
        logger.info("Reporter.pinning(%r)", candidate)