236 lines
8.1 KiB
Python
236 lines
8.1 KiB
Python
#!/usr/bin/env python3
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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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"""Generate BlenderSceneGen.h and BlenderScene.cpp from the
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data structures in BlenderScene.h to map from *any* DNA to
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*our* DNA"""
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import sys
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import os
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import re
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inputfile = os.path.join("..","..","code","BlenderScene.h")
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outputfile_gen = os.path.join("..","..","code","BlenderSceneGen.h")
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outputfile_src = os.path.join("..","..","code","BlenderScene.cpp")
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template_gen = "BlenderSceneGen.h.template"
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template_src = "BlenderScene.cpp.template"
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Structure_Convert_decl = """
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template <> void Structure :: Convert<{a}> (
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{a}& dest,
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const FileDatabase& db
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) const
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"""
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Structure_Convert_ptrdecl = """
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ReadFieldPtr<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
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Structure_Convert_arraydecl = """
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ReadFieldArray<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
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Structure_Convert_arraydecl2d = """
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ReadFieldArray2<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
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Structure_Convert_normal = """
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ReadField<{policy}>({destcast}dest.{name_canonical},"{name_dna}",db);"""
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DNA_RegisterConverters_decl = """
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void DNA::RegisterConverters() """
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DNA_RegisterConverters_add = """
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converters["{a}"] = &Structure::Convert<{a}>;"""
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map_policy = {
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"" : "ErrorPolicy_Igno"
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,"IGNO" : "ErrorPolicy_Igno"
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,"WARN" : "ErrorPolicy_Warn"
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,"FAIL" : "ErrorPolicy_Fail"
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}
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#
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def main():
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# -----------------------------------------------------------------------
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# Parse structure definitions from BlenderScene.h
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input = open(inputfile,"rt").read()
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flags = re.ASCII|re.DOTALL|re.MULTILINE
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#stripcoms = re.compile(r"/\*(.*?)*\/",flags)
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getstruct = re.compile(r"struct\s+(\w+?)\s*(:\s*ElemBase)?\s*\{(.*?)^\}\s*;",flags)
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getsmartx = re.compile(r"(std\s*::\s*)?(vector)\s*<\s*(boost\s*::\s*)?shared_(ptr)\s*<\s*(\w+)\s*>\s*>\s*",flags)
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getsmartp = re.compile(r"(boost\s*::\s*)?shared_(ptr)\s*<\s*(\w+)\s*>\s*",flags)
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getsmarta = re.compile(r"(std\s*::\s*)?(vector)\s*<\s*(\w+)\s*>\s*",flags)
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getpolicy = re.compile(r"\s*(WARN|FAIL|IGNO)",flags)
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stripenum = re.compile(r"enum\s+(\w+)\s*{.*?\}\s*;",flags)
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assert getsmartx and getsmartp and getsmarta and getpolicy and stripenum
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enums = set()
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#re.sub(stripcoms," ",input)
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#print(input)
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hits = {}
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while 1:
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match = re.search(getstruct,input)
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if match is None:
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break
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tmp = match.groups()[2]
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while 1:
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match2 = re.search(stripenum,tmp)
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if match2 is None:
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break
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tmp = tmp[match2.end():]
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enums.add(match2.groups()[0])
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hits[match.groups()[0]] = list(
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filter(lambda x:x[:2] != "//" and len(x),
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map(str.strip,
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re.sub(stripenum," ",match.groups()[2]).split(";")
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)))
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input = input[match.end():]
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[print ("Enum: "+e) for e in enums]
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for k,v in hits.items():
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out = []
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for line in v:
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policy = "IGNO"
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py = re.search(getpolicy,line)
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if not py is None:
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policy = py.groups()[0]
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line = re.sub(getpolicy,"",line)
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ty = re.match(getsmartx,line) or re.match(getsmartp,line) or re.match(getsmarta,line)
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if ty is None:
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ty = line.split(None,1)[0]
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else:
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if ty.groups()[1] == "ptr":
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ty = ty.groups()[2] + "*"
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elif ty.groups()[1] == "vector":
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ty = ty.groups()[-1] + ("*" if len(ty.groups()) == 3 else "**")
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#print(line)
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sp = line.split(',')
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out.append((ty,sp[0].split(None)[-1].strip(),policy))
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for m in sp[1:]:
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out.append((ty,m.strip(),policy))
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v[:] = out
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print("Structure {0}".format(k))
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[print("\t"+"\t".join(elem)) for elem in out]
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print("")
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output = open(outputfile_gen,"wt")
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templt = open(template_gen,"rt").read()
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s = ""
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# -----------------------------------------------------------------------
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# Structure::Convert<T> declarations for all supported structures
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for k,v in hits.items():
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s += Structure_Convert_decl.format(a=k)+";\n";
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output.write(templt.replace("<HERE>",s))
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output = open(outputfile_src,"wt")
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templt = open(template_src,"rt").read()
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s = ""
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# -----------------------------------------------------------------------
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# Structure::Convert<T> definitions for all supported structures
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for k,v in hits.items():
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s += "//" + "-"*80 + Structure_Convert_decl.format(a=k)+ "{ \n";
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for type, name, policy in v:
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splits = name.split("[",1)
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name_canonical = splits[0]
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#array_part = "" if len(splits)==1 else "["+splits[1]
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ptr_decl = "*"*type.count("*")
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name_dna = ptr_decl+name_canonical #+array_part
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#required = "false"
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policy = map_policy[policy]
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destcast = "(int&)" if type in enums else ""
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# POINTER
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if ptr_decl:
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s += Structure_Convert_ptrdecl.format(**locals())
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# ARRAY MEMBER
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elif name.count('[')==1:
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s += Structure_Convert_arraydecl.format(**locals())
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elif name.count('[')==2:
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s += Structure_Convert_arraydecl2d.format(**locals())
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# NORMAL MEMBER
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else:
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s += Structure_Convert_normal.format(**locals())
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s += "\n\n\tdb.reader->IncPtr(size);\n}\n\n"
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# -----------------------------------------------------------------------
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# DNA::RegisterConverters - collect all available converter functions
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# in a std::map<name,converter_proc>
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#s += "#if 0\n"
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s += "//" + "-"*80 + DNA_RegisterConverters_decl + "{\n"
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for k,v in hits.items():
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s += DNA_RegisterConverters_add.format(a=k)
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s += "\n}\n"
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#s += "#endif\n"
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output.write(templt.replace("<HERE>",s))
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if __name__ == "__main__":
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sys.exit(main())
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