cpython/Lib/importall.py

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# Utility module to import all modules in the path, in the hope
# that this will update their ".pyc" files.
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import os
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import sys
# Sabotage 'gl' and 'stdwin' to prevent windows popping up...
for m in 'gl', 'stdwin', 'fl', 'fm':
sys.modules[m] = sys
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exceptions = ['importall']
for dir in sys.path:
print 'Listing', dir
try:
names = os.listdir(dir)
except os.error:
print 'Can\'t list', dir
names = []
names.sort()
for name in names:
head, tail = name[:-3], name[-3:]
if tail == '.py' and head not in exceptions:
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s = 'import ' + head
print s
try:
exec(s + '\n')
except KeyboardInterrupt:
del names[:]
print '\n[interrupt]'
break
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except:
print 'Sorry:', sys.exc_type + ':',
print sys.exc_value