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68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import re
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from typing import Tuple
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RE_VERSION_WITH_EPOCH = re.compile(r'^\d+:(.+)$')
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RE_VERSION_WITH_RELEASE = re.compile(r'^(.+)-\d+$')
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def map_str_version(version: str) -> Tuple[str, ...]:
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return tuple(part.zfill(8) for part in version.split("."))
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def normalize_version(version: str) -> Tuple[int, Tuple[str, ...], int]:
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raw_version = version.strip()
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epoch = 0
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if RE_VERSION_WITH_EPOCH.match(raw_version):
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epoch_version = raw_version.split(":", maxsplit=1)
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epoch = int(epoch_version[0])
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raw_version = epoch_version[1]
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release = 1
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if RE_VERSION_WITH_RELEASE.match(raw_version):
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version_release = raw_version.rsplit("-", maxsplit=1)
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raw_version = version_release[0]
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release = int(version_release[1])
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if not raw_version.split(".")[0].isdigit():
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# this is required to properly compare versions starting with a number against versions starting with alpha
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raw_version = f"0.{raw_version}"
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return epoch, map_str_version(raw_version), release
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def match_required_version(current_version: str, operator: str, required_version: str) -> bool:
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final_required, final_current = required_version.strip(), current_version.strip()
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required_has_epoch = bool(RE_VERSION_WITH_EPOCH.match(final_required))
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current_no_epoch = RE_VERSION_WITH_EPOCH.split(final_current)
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current_has_epoch = len(current_no_epoch) > 1
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if required_has_epoch and not current_has_epoch:
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final_current = f'0:{final_current}'
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elif current_has_epoch and not required_has_epoch:
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final_current = current_no_epoch[1]
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required_has_release = bool(RE_VERSION_WITH_RELEASE.match(final_required))
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current_no_release = RE_VERSION_WITH_RELEASE.split(final_current)
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current_has_release = len(current_no_release) > 1
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if required_has_release and not current_has_release:
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final_current = f'{final_current}-1'
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elif current_has_release and not required_has_release:
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final_current = current_no_release[1]
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final_required, final_current = map_str_version(final_required), map_str_version(final_current)
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if operator == '==' or operator == '=':
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return final_current == final_required
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elif operator == '>':
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return final_current > final_required
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elif operator == '>=':
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return final_current >= final_required
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elif operator == '<':
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return final_current < final_required
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elif operator == '<=':
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return final_current <= final_required
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