On Sun, 29 Aug 2021 at 00:04, Stefan Ram <r...@zedat.fu-berlin.de> wrote:
> Stestagg <stest...@gmail.com> writes:
> >If you're doing this analysis, I'd be pretty interested in how many of
> >those while loops where 'while True:'
>
> Here, about 40 %.
Thanks! That's an interesting stat. I might have to look more into how
while loops are actually used in other people's code.
>
> Below is a new version that is supposed to also count "if True:"
> and "if 1:" and also removes a bug with the exception handling
> (missing "import sys" and missing "UnicodeDecodeError"). I'm not
> experienced in using the AST module, so there might still be bugs
> in the program!
>
> import ast
> import pathlib
> import sys
> rootname=r'''PATH TO SOURCE DIR (WITHOUT A BACKQUOTE AT THE END)'''
> rootpath=pathlib.Path(rootname)
> rootiterable=rootpath.glob('**/*.py')
> WhileCount = 0
> TrueCount = 0
> ForCount = 0
> for filepath in rootiterable:
> try:
> with filepath.open(encoding="utf-8") as file:
> source=file.read()
> parse=ast.parse(source, filename=str(file))
> for entry in ast.walk(parse):
> if isinstance(entry, ast.While):
> WhileCount+=1
> if ( isinstance( entry.test, ast.Constant ) and
> hasattr( entry.test, "value") and
> ( isinstance( entry.test.value, bool )
> and entry.test.value == True or
> isinstance( entry.test.value, int )
> and entry.test.value != 0 )):
> TrueCount+=1
> print( f"{ForCount=}, {WhileCount=}, {TrueCount=}" )
> elif isinstance(entry, ast.For):
> ForCount+=1
> print( f"{ForCount=}, {WhileCount=}" )
> except ( SyntaxError, UnicodeDecodeError )as inst:
> print( f"skipping {filepath}." )
> print( f"{sys.exc_info()[ 0 ] =}" )
> print( f"{type( inst ) =}" )
> print( f"{inst.args =}" )
> print( f"{inst =}\n" )
> print( f"{ForCount=}, {WhileCount=}, {TrueCount=}" )
>
>
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>
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