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https://github.com/openSUSE/osc.git
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56a9ab60dc
- only "fix" sys.stdout if it is no tty - make sys.stdout line buffered (to avoid too "many" write calls) - added more detailed explanation why this is needed
43 lines
1.5 KiB
Python
Executable File
43 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python
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# this wrapper exists so it can be put into /usr/bin, but still allows the
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# python module to be called within the source directory during development
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import locale
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import sys
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import os
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from osc import commandline, babysitter
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try:
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# this is a hack to make osc work as expected with utf-8 characters,
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# no matter how site.py is set...
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reload(sys)
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loc = locale.getpreferredencoding()
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if not loc:
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loc = sys.getpreferredencoding()
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sys.setdefaultencoding(loc)
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del sys.setdefaultencoding
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except NameError:
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#reload, neither setdefaultencoding are in python3
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pass
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# avoid buffering output on pipes (bnc#930137)
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# Basically, a "print('foo')" call is translated to a corresponding
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# fwrite call that writes to the stdout stream (cf. string_print
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# (Objects/stringobject.c) and builtin_print (Python/bltinmodule.c));
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# If no pipe is used, stdout is a tty/refers to a terminal =>
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# the stream is line buffered (see _IO_file_doallocate (libio/filedoalloc.c)).
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# If a pipe is used, stdout does not refer to a terminal anymore =>
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# the stream is fully buffered by default (see _IO_file_doallocate).
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# The following fdopen call makes stdout line buffered again (at least on
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# systems that support setvbuf - if setvbuf is not supported, the stream
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# remains fully buffered (see PyFile_SetBufSize (Objects/fileobject.c))).
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if not os.isatty(sys.stdout.fileno()):
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sys.stdout = os.fdopen(sys.stdout.fileno(), sys.stdout.mode, 1)
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osccli = commandline.Osc()
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r = babysitter.run(osccli)
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sys.exit(r)
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