gstreamer/codegen/mkskel.py

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#!/usr/bin/env python
# -*- Mode: Python; py-indent-offset: 4 -*-
import sys, os, getopt
module_init_template = \
'/* -*- Mode: C; c-basic-offset: 4 -*- */\n' + \
'#ifdef HAVE_CONFIG_H\n' + \
'# include "config.h"\n' + \
'#endif\n' + \
'#include <Python.h>\n' + \
'#include <pygtk.h>\n' + \
'\n' + \
'/* include any extra headers needed here */\n' + \
'\n' + \
'void %(prefix)s_register_classes(PyObject *d);\n' + \
'extern PyMethodDef %(prefix)s_functions[];\n' + \
'\n' + \
'DL_EXPORT(void)\n' + \
'init%(module)s(void)\n' + \
'{\n' + \
' PyObject *m, *d;\n' + \
'\n' + \
' /* perform any initialisation required by the library here */\n' + \
'\n' + \
' m = Py_InitModule("%(module)s", %(prefix)s_functions);\n' + \
' d = PyModule_GetDict(m);\n' + \
'\n' + \
' init_pygtk();\n' + \
'\n' + \
' %(prefix)s_register_classes(d);\n' + \
'\n' + \
' /* add anything else to the module dictionary (such as constants) */\n' +\
'\n' + \
' if (PyErr_Occurred())\n' + \
' Py_FatalError("could not initialise module %(module)s");\n' + \
'}\n'
override_template = \
'/* -*- Mode: C; c-basic-offset: 4 -*- */\n' + \
'%%%%\n' + \
'headers\n' + \
'/* include any required headers here */\n' + \
'%%%%\n' + \
'init\n' + \
' /* include any code here that needs to be executed before the\n' + \
' * extension classes get initialised */\n' + \
'%%%%\n' + \
'\n' + \
'/* you should add appropriate ignore, ignore-glob and\n' + \
' * override sections here */\n'
def open_with_backup(file):
if os.path.exists(file):
try:
os.rename(file, file+'~')
except OSError:
# fail silently if we can't make a backup
pass
return open(file, 'w')
def write_skels(fileprefix, prefix, module):
fp = open_with_backup(fileprefix+'module.c')
fp.write(module_init_template % { 'prefix': prefix, 'module': module })
fp.close()
fp = open_with_backup(fileprefix+'.override')
fp.write(override_template % { 'prefix': prefix, 'module': module })
fp.close()
if __name__ == '__main__':
opts, args = getopt.getopt(sys.argv[1:], 'f:p:m:h',
['file-prefix=', 'prefix=', 'module=', 'help'])
fileprefix = None
prefix = None
module = None
for opt, arg in opts:
if opt in ('-f', '--file-prefix'):
fileprefix = arg
elif opt in ('-p', '--prefix'):
prefix = arg
elif opt in ('-m', '--module'):
module = arg
elif opt in ('-h', '--help'):
print 'usage: mkskel.py -f fileprefix -p prefix -m module'
sys.exit(0)
if not fileprefix or not prefix or not module:
print 'usage: mkskel.py -f fileprefix -p prefix -m module'
sys.exit(1)
write_skels(fileprefix, prefix, module)