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[3.8] bpo-36654: Add examples for using tokenize module programmically (GH-12947) #18187

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Jan 25, 2020
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[3.8] bpo-36654: Add examples for using tokenize module programmically (GH-12947) #18187

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19 changes: 19 additions & 0 deletions Doc/library/tokenize.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -278,3 +278,22 @@ The exact token type names can be displayed using the :option:`-e` option:
4,10-4,11: RPAR ')'
4,11-4,12: NEWLINE '\n'
5,0-5,0: ENDMARKER ''

Example of tokenizing a file programmatically, reading unicode
strings instead of bytes with :func:`generate_tokens`::

import tokenize

with tokenize.open('hello.py') as f:
tokens = tokenize.generate_tokens(f.readline)
for token in tokens:
print(token)

Or reading bytes directly with :func:`.tokenize`::

import tokenize

with open('hello.py', 'rb') as f:
tokens = tokenize.tokenize(f.readline)
for token in tokens:
print(token)