PEP508依赖项规范的分析器。
pep508-parser的Python项目详细描述
PEP508分析器
PEP508依赖项规范的分析器。
示例
#!/usr/bin/env python3frompep508_parserimportparsertests=["A","A.B-C_D","aa","name","name<=1","name>=3","name>=3,<2","name@http://foo.com","name [fred,bar] @ http://foo.com ; python_version=='2.7'","name[quux, strange];python_version<'2.7' and platform_version=='2'","name; os_name=='a' or os_name=='b'",# Should parse as (a and b) or c"name; os_name=='a' and os_name=='b' or os_name=='c'",# Overriding precedence -> a and (b or c)"name; os_name=='a' and (os_name=='b' or os_name=='c')",# should parse as a or (b and c)"name; os_name=='a' or os_name=='b' and os_name=='c'",# Overriding precedence -> (a or b) and c"name; (os_name=='a' or os_name=='b') and os_name=='c'",]defmain():fortestintests:parsed=parser.parse(test)print("{} -> {}".format(test,parsed))if__name__=='__main__':main()
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