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PEP 508: Fix grammar for 'not in' operator #2153

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PEP 508: Fix grammar for 'not in' operator #2153

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2b37e4d
update grammer for 'not in' marker_op
Nov 13, 2021
043a291
add test for 'not in' marker_op
Nov 13, 2021
1fb32c8
Merge remote-tracking branch 'upstream/main' into pep508-grammar-fix
hugovk Sep 20, 2023
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4 changes: 3 additions & 1 deletion peps/pep-0508.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -362,7 +362,7 @@ The complete parsley grammar::
version_many = version_one:v1 (wsp* ',' version_one)*:v2 -> [v1] + v2
versionspec = ('(' version_many:v ')' ->v) | version_many
urlspec = '@' wsp* <URI_reference>
marker_op = version_cmp | (wsp* 'in') | (wsp* 'not' wsp+ 'in')
marker_op = version_cmp | (wsp* 'in') | (wsp* 'not' wsp+ 'in') -> 'not in'
python_str_c = (wsp | letter | digit | '(' | ')' | '.' | '{' | '}' |
'-' | '_' | '*' | '#' | ':' | ';' | ',' | '/' | '?' |
'[' | ']' | '!' | '~' | '`' | '@' | '$' | '%' | '^' |
Expand Down Expand Up @@ -491,6 +491,8 @@ A test program - if the grammar is in a string ``grammar``::
"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'",
# Check 'not in' marker_op
"name; os_name not in 'a'",
]

def format_full_version(info):
Expand Down