262 lines
8.5 KiB
Python
262 lines
8.5 KiB
Python
#!/usr/bin/env python
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# -*- Coding: UTF-8 -*-
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# ---------------------------------------------------------------------------
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# Open Asset Import Library (ASSIMP)
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# ---------------------------------------------------------------------------
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#
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# Copyright (c) 2006-2010, ASSIMP Development Team
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#
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# All rights reserved.
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#
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# Redistribution and use of this software in source and binary forms,
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# with or without modification, are permitted provided that the following
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# conditions are met:
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#
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# * Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the
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# following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the
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# following disclaimer in the documentation and/or other
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# materials provided with the distribution.
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#
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# * Neither the name of the ASSIMP team, nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior
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# written permission of the ASSIMP Development Team.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# ---------------------------------------------------------------------------
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"""Update PyAssimp's data structures to keep up with the
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C/C++ headers."""
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import os
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import re
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#==[regexps]=================================================
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# Clean desc
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REdefine = re.compile(r''
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r'(?P<desc>)' # /** *desc */
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r'#\s*define\s(?P<name>[^(\n]+?)\s(?P<code>.+)$' # #define name value
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, re.MULTILINE)
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# Get structs
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REstructs = re.compile(r''
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#r'//\s?[\-]*\s(?P<desc>.*?)\*/\s' # /** *desc */
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#r'//\s?[\-]*(?P<desc>.*?)\*/(?:.*?)' # garbage
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r'//\s?[\-]*\s(?P<desc>.*?)\*/\W*?' # /** *desc */
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r'struct\s(?:ASSIMP_API\s)?(?P<name>[a-z][a-z0-9_]\w+\b)' # struct name
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r'[^{]*?\{' # {
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r'(?P<code>.*?)' # code
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r'\}\s*(PACK_STRUCT)?;' # };
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, re.IGNORECASE + re.DOTALL + re.MULTILINE)
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# Clean desc
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REdesc = re.compile(r''
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r'^\s*?([*]|/\*\*)(?P<line>.*?)' # * line
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, re.IGNORECASE + re.DOTALL + re.MULTILINE)
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# Remove #ifdef __cplusplus
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RErmifdef = re.compile(r''
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r'#ifdef __cplusplus' # #ifdef __cplusplus
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r'(?P<code>.*)' # code
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r'#endif(\s*//\s*!?\s*__cplusplus)*' # #endif
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, re.IGNORECASE + re.DOTALL)
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# Replace comments
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RErpcom = re.compile(r''
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r'[ ]*(/\*\*\s|\*/|\B\*\s|//!)' # /**
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r'(?P<line>.*?)' # * line
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, re.IGNORECASE + re.DOTALL)
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# Restructure
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def GetType(type, prefix='c_'):
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t = type
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while t.endswith('*'):
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t = t[:-1]
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types = {'unsigned int':'uint', 'unsigned char':'ubyte', 'size_t':'uint',}
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if t in types:
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t = types[t]
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t = prefix + t
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while type.endswith('*'):
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t = "POINTER(" + t + ")"
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type = type[:-1]
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return t
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def restructure( match ):
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type = match.group("type")
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if match.group("struct") == "":
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type = GetType(type)
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elif match.group("struct") == "C_ENUM ":
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type = "c_uint"
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else:
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type = GetType(type[2:], '')
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if match.group("index"):
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type = type + "*" + match.group("index")
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result = ""
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for name in match.group("name").split(','):
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result += "(\"" + name.strip() + "\", "+ type + "),"
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return result
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RErestruc = re.compile(r''
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r'(?P<struct>C_STRUCT\s|C_ENUM\s|)' # [C_STRUCT]
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r'(?P<type>\w+\s?\w+?[*]*)\s' # type
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#r'(?P<name>\w+)' # name
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r'(?P<name>\w+|[a-z0-9_, ]+)' # name
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r'(:?\[(?P<index>\w+)\])?;' # []; (optional)
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, re.DOTALL)
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#==[template]================================================
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template = """
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class $NAME$(Structure):
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\"\"\"
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$DESCRIPTION$
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\"\"\"
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$DEFINES$
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_fields_ = [
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$FIELDS$
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]
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"""
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templateSR = """
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class $NAME$(Structure):
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\"\"\"
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$DESCRIPTION$
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\"\"\"
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$DEFINES$
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$NAME$._fields_ = [
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$FIELDS$
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]
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"""
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#============================================================
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def Structify(fileName):
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file = open(fileName, 'r')
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text = file.read()
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result = []
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# Get defines.
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defs = REdefine.findall(text)
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# Create defines
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defines = "\n"
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for define in defs:
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# Clean desc
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desc = REdesc.sub('', define[0])
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# Replace comments
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desc = RErpcom.sub('#\g<line>', desc)
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defines += desc
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defines += " "*4 + define[1] + " = " + define[2] + "\n"
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# Get structs
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rs = REstructs.finditer(text)
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fileName = os.path.basename(fileName)
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print fileName
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for r in rs:
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name = r.group('name')[2:]
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desc = r.group('desc')
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# Skip some structs
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if name == "FileIO" or name == "File" or name == "locateFromAssimpHeap":
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continue
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text = r.group('code')
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# Clean desc
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desc = REdesc.sub('', desc)
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desc = "See '"+ fileName +"' for details." #TODO
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# Remove #ifdef __cplusplus
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text = RErmifdef.sub('', text)
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# Whether the struct contains more than just POD
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primitive = text.find('C_STRUCT') == -1
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# Restructure
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text = RErestruc.sub(restructure, text)
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# Replace comments
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text = RErpcom.sub('#\g<line>', text)
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# Whether it's selfreferencing: ex. struct Node { Node* parent; };
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selfreferencing = text.find('POINTER('+name+')') != -1
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complex = name == "Scene"
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# Create description
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description = ""
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for line in desc.split('\n'):
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description += " "*4 + line.strip() + "\n"
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description = description.rstrip()
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# Create fields
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fields = ""
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for line in text.split('\n'):
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fields += " "*12 + line.strip() + "\n"
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fields = fields.strip()
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if selfreferencing:
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templ = templateSR
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else:
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templ = template
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# Put it all together
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text = templ.replace('$NAME$', name)
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text = text.replace('$DESCRIPTION$', description)
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text = text.replace('$FIELDS$', fields)
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if ((name.lower() == fileName.split('.')[0][2:].lower()) and (name != 'Material')) or name == "String":
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text = text.replace('$DEFINES$', defines)
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else:
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text = text.replace('$DEFINES$', '')
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result.append((primitive, selfreferencing, complex, text))
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return result
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text = "#-*- coding: UTF-8 -*-\n\n"
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text += "from ctypes import POINTER, c_int, c_uint, c_char, c_float, Structure, c_char_p, c_double, c_ubyte\n\n"
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structs1 = ""
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structs2 = ""
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structs3 = ""
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structs4 = ""
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path = '../include/'
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files = os.listdir (path)
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#files = ["aiScene.h", "aiTypes.h"]
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for fileName in files:
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if fileName.endswith('.h'):
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for struct in Structify(os.path.join(path, fileName)):
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primitive, sr, complex, struct = struct
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if primitive:
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structs1 += struct
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elif sr:
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structs2 += struct
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elif complex:
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structs4 += struct
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else:
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structs3 += struct
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text += structs1 + structs2 + structs3 + structs4
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file = open('structs.txt', 'w')
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file.write(text)
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file.close()
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