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pythonw in py3k sets std{in,out,err} to None...
pythonw in py3k sets std{in,out,err} to None The print statement works without error, even though the stdio file objects are instances of None. Since they are instances of None, however, the encoding attribute will not exist, so protect blind attribute access of std{in,out,err} by using a new function, get_stream_enc.

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check_sources.py
54 lines | 1.3 KiB | text/x-python | PythonLexer
#!/usr/bin/env python
"""Utility to look for hard tabs and \r characters in all sources.
Usage:
./check_sources.py
It prints summaries and if chosen, line-by-line info of where \\t or \\r
characters can be found in our source tree.
"""
# Config
# If true, all lines that have tabs are printed, with line number
full_report_tabs = True
# If true, all lines that have tabs are printed, with line number
full_report_rets = False
# Code begins
from IPython.external.path import path
rets = []
tabs = []
for f in path('..').walkfiles('*.py'):
errs = ''
cont = f.bytes()
if '\t' in cont:
errs+='t'
tabs.append(f)
if '\r' in cont:
errs+='r'
rets.append(f)
if errs:
print "%3s" % errs, f
if 't' in errs and full_report_tabs:
for ln,line in enumerate(f.lines()):
if '\t' in line:
print 'TAB:',ln,':',line,
if 'r' in errs and full_report_rets:
for ln,line in enumerate(open(f.abspath(),'rb')):
if '\r' in line:
print 'RET:',ln,':',line,
# Summary at the end, to call cleanup tools if necessary
if tabs:
print 'Hard tabs found. These can be cleaned with untabify:'
for f in tabs: print f,
if rets:
print 'Carriage returns (\\r) found in:'
for f in rets: print f,