Backport of #21095 Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
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@ -24,7 +24,7 @@ import (
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// https://www.python.org/dev/peps/pep-0503/#normalized-names
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// https://www.python.org/dev/peps/pep-0503/#normalized-names
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var normalizer = strings.NewReplacer(".", "-", "_", "-")
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var normalizer = strings.NewReplacer(".", "-", "_", "-")
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var nameMatcher = regexp.MustCompile(`\A[a-z0-9\.\-_]+\z`)
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var nameMatcher = regexp.MustCompile(`\A[a-zA-Z0-9\.\-_]+\z`)
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// https://www.python.org/dev/peps/pep-0440/#appendix-b-parsing-version-strings-with-regular-expressions
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// https://www.python.org/dev/peps/pep-0440/#appendix-b-parsing-version-strings-with-regular-expressions
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var versionMatcher = regexp.MustCompile(`^([1-9][0-9]*!)?(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))*((a|b|rc)(0|[1-9][0-9]*))?(\.post(0|[1-9][0-9]*))?(\.dev(0|[1-9][0-9]*))?$`)
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var versionMatcher = regexp.MustCompile(`^([1-9][0-9]*!)?(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))*((a|b|rc)(0|[1-9][0-9]*))?(\.post(0|[1-9][0-9]*))?(\.dev(0|[1-9][0-9]*))?$`)
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