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more work on the python bindings. Daniel

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* python/generator.py python/libxml.c python/libxml_wrap.h:
  more work on the python bindings.
Daniel
This commit is contained in:
Daniel Veillard
2002-01-30 20:52:23 +00:00
parent d2897fde00
commit 96fe095d4b
4 changed files with 131 additions and 21 deletions
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115
python/generator.py
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@ -160,20 +160,82 @@ def function(name, desc, ret, args, file):
skipped_modules = {
'xmlmemory': None,
'DOCBparser': None,
'SAX': None,
'hash': None,
'list': None,
'threads': None,
}
skipped_types = {
'int *': "usually a return type",
'xmlSAXHandlerPtr': "not the proper interface for SAX",
'htmlSAXHandlerPtr': "not the proper interface for SAX",
'xmlParserCtxtPtr': "not the proper interface for the parser",
'htmlParserCtxtPtr': "not the proper interface for the parser",
'xmlRMutexPtr': "thread specific, skipped",
'xmlMutexPtr': "thread specific, skipped",
'xmlGlobalStatePtr': "thread specific, skipped",
'xmlListPtr': "internal representation not suitable for python",
'xmlBufferPtr': "internal representation not suitable for python",
'FILE *': None,
}
py_types = {
'void': (None, None, None),
'int': ('i', None, "int"),
'xmlChar': ('c', None, "int"),
'char *': ('s', None, "charPtr"),
'const char *': ('s', None, "charPtr"),
'xmlChar *': ('s', None, "xmlCharPtr"),
'const xmlChar *': ('s', None, "xmlCharPtr"),
'void': (None, None, None, None),
'int': ('i', None, "int", "int"),
'long': ('i', None, "int", "int"),
'double': ('d', None, "double", "double"),
'unsigned int': ('i', None, "int", "int"),
'xmlChar': ('c', None, "int", "int"),
'unsigned char *': ('s', None, "charPtr", "char *"),
'char *': ('s', None, "charPtr", "char *"),
'const char *': ('s', None, "charPtr", "char *"),
'xmlChar *': ('s', None, "xmlCharPtr", "xmlChar *"),
'const xmlChar *': ('s', None, "xmlCharPtr", "xmlChar *"),
'xmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlDtdPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlDtdPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlDtd *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlDtd *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlAttrPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlAttrPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlAttr *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlAttr *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlEntityPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlEntityPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlEntity *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlEntity *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlElementPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlElementPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlElement *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlElement *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlAttributePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlAttributePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlAttribute *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlAttribute *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlNsPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlNsPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlNs *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const xmlNs *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'xmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'const xmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'xmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'const xmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'htmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'const htmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'htmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'const htmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
'htmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const htmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'htmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
'const htmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
}
unknown_types = {}
def print_function_wrapper(name, output):
def print_function_wrapper(name, output, export, include):
global py_types
global unknown_types
global functions
@ -193,19 +255,30 @@ def print_function_wrapper(name, output):
format_args=""
c_args=""
c_return=""
c_convert=""
for arg in args:
# This should be correct
if arg[1][0:6] == "const ":
arg[1] = arg[1][6:]
c_args = c_args + " %s %s;\n" % (arg[1], arg[0])
if py_types.has_key(arg[1]):
(f, t, n) = py_types[arg[1]]
(f, t, n, c) = py_types[arg[1]]
if f != None:
format = format + f
if t != None:
format_args = format_args + ", &%s" % (t)
format_args = format_args + ", &%s" % (arg[0])
format_args = format_args + ", &pyobj_%s" % (arg[0])
c_args = c_args + " PyObject *pyobj_%s;\n" % (arg[0])
c_convert = c_convert + \
" %s = (%s) Py%s_Get(pyobj_%s);\n" % (arg[0],
arg[1], t, arg[0]);
else:
format_args = format_args + ", &%s" % (arg[0])
if c_call != "":
c_call = c_call + ", ";
c_call = c_call + "%s" % (arg[0])
else:
if skipped_types.has_key(arg[1]):
return 0
if unknown_types.has_key(arg[1]):
lst = unknown_types[arg[1]]
lst.append(name)
@ -219,11 +292,14 @@ def print_function_wrapper(name, output):
c_call = "\n %s(%s);\n" % (name, c_call);
ret_convert = " Py_INCREF(Py_None);\n return(Py_None);\n"
elif py_types.has_key(ret[0]):
(f, t, n) = py_types[ret[0]]
(f, t, n, c) = py_types[ret[0]]
c_return = " %s c_retval;\n" % (ret[0])
c_call = "\n c_retval = %s(%s);\n" % (name, c_call);
ret_convert = " py_retval = libxml_%sWrap(c_retval);\n return(py_retval);\n" % (n)
ret_convert = " py_retval = libxml_%sWrap((%s) c_retval);\n" % (n,c)
ret_convert = ret_convert + " return(py_retval);\n"
else:
if skipped_types.has_key(ret[0]):
return 0
if unknown_types.has_key(ret[0]):
lst = unknown_types[ret[0]]
lst.append(name)
@ -231,6 +307,9 @@ def print_function_wrapper(name, output):
unknown_types[ret[0]] = [name]
return -1
include.write("PyObject * ")
include.write("libxml_%s(PyObject *self, PyObject *args);\n" % (name))
export.write(" { \"%s\", libxml_%s, METH_VARARGS },\n" % (name, name))
output.write("PyObject *\n")
output.write("libxml_%s(PyObject *self, PyObject *args) {\n" % (name))
if ret[0] != 'void':
@ -243,6 +322,8 @@ def print_function_wrapper(name, output):
output.write("\n if (!PyArg_ParseTuple(args, \"%s\"%s))\n" %
(format, format_args))
output.write(" return(NULL);\n")
if c_convert != "":
output.write(c_convert)
output.write(c_call)
output.write(ret_convert)
@ -263,6 +344,10 @@ nb_wrap = 0
failed = 0
skipped = 0
include = open("libxml2-py.h", "w")
include.write("/* Generated */\n\n")
export = open("libxml2-export.c", "w")
export.write("/* Generated */\n\n")
wrapper = open("libxml2-py.c", "w")
wrapper.write("/* Generated */\n\n")
wrapper.write("#include <Python.h>\n")
@ -270,13 +355,15 @@ wrapper.write("#include <libxml/tree.h>\n")
wrapper.write("#include \"libxml_wrap.h\"\n")
wrapper.write("#include \"libxml2-py.h\"\n\n")
for function in functions.keys():
ret = print_function_wrapper(function, wrapper)
ret = print_function_wrapper(function, wrapper, export, include)
if ret < 0:
failed = failed + 1
if ret == 1:
nb_wrap = nb_wrap + 1
if ret == 0:
skipped = skipped + 1
include.close()
export.close()
wrapper.close()
print "Generated %d wrapper functions, %d failed, %d skipped\n" % (nb_wrap,