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Prevent custom plugins from messing with sys.stdout and sys.stderr

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Kovid Goyal 2012-02-05 09:53:34 +05:30
parent 4297aa3c86
commit 8677789312
1 changed files with 4 additions and 0 deletions
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4
src/calibre/customize/ui.py
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@ -504,6 +504,7 @@ def initialize_plugins():
for p in conflicts: for p in conflicts:
remove_plugin(p) remove_plugin(p)
external_plugins = config['plugins'] external_plugins = config['plugins']
ostdout, ostderr = sys.stdout, sys.stderr
for zfp in list(external_plugins) + builtin_plugins: for zfp in list(external_plugins) + builtin_plugins:
try: try:
if not isinstance(zfp, type): if not isinstance(zfp, type):
@ -522,6 +523,9 @@ def initialize_plugins():
print 'Failed to initialize plugin:', repr(zfp) print 'Failed to initialize plugin:', repr(zfp)
if DEBUG: if DEBUG:
traceback.print_exc() traceback.print_exc()
# Prevent a custom plugin from overriding stdout/stderr as this breaks
# ipython
sys.stdout, sys.stderr = ostdout, ostderr
_initialized_plugins.sort(cmp=lambda x,y:cmp(x.priority, y.priority), reverse=True) _initialized_plugins.sort(cmp=lambda x,y:cmp(x.priority, y.priority), reverse=True)
reread_filetype_plugins() reread_filetype_plugins()
reread_metadata_plugins() reread_metadata_plugins()