2012-05-01 20:45:16 +00:00
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#!/usr/bin/env python3.2
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2010-10-30 13:25:24 +00:00
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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2011-06-21 05:01:54 +00:00
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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2010-10-30 13:25:24 +00:00
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#
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# ***** END GPL LICENCE BLOCK *****
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######################################################
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#
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# Name:
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# dna.py
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#
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# Description:
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# Creates a browsable DNA output to HTML.
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#
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# Author:
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# Jeroen Bakker
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#
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# Version:
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# v0.1 (12-05-2009) - migration of original source code to python.
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# Added code to support blender 2.5 branch
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# v0.2 (25-05-2009) - integrated with BlendFileReader.py
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#
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# Input:
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# blender build executable
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#
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# Output:
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# dna.html
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# dna.css (will only be created when not existing)
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#
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# Startup:
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# ./blender -P BlendFileDnaExporter.py
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#
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# Process:
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# 1: write blend file with SDNA info
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# 2: read blend header from blend file
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# 3: seek DNA1 file-block
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# 4: read dna record from blend file
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# 5: close and eventually delete temp blend file
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# 6: export dna to html and css
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# 7: quit blender
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#
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######################################################
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import struct
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import sys
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import getopt # command line arguments handling
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from string import Template # strings completion
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# logs
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import logging
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log = logging.getLogger("BlendFileDnaExporter")
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if '--dna-debug' in sys.argv:
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logging.basicConfig(level=logging.DEBUG)
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else:
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logging.basicConfig(level=logging.INFO)
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class DNACatalogHTML:
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'''
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DNACatalog is a catalog of all information in the DNA1 file-block
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'''
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def __init__(self, catalog, bpy_module = None):
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self.Catalog = catalog
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self.bpy = bpy_module
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def WriteToHTML(self, handle):
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dna_html_template = """
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<!DOCTYPE html PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN http://www.w3.org/TR/html4/loose.dtd>
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="dna.css" media="screen, print" />
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<meta http-equiv="Content-Type" content="text/html"; charset="ISO-8859-1" />
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<title>The mystery of the blend</title>
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</head>
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<body>
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<div class=title>
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Blender ${version}<br/>
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Internal SDNA structures
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</div>
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Architecture: ${bitness} ${endianness}<br/>
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Build revision: <a href="https://svn.blender.org/svnroot/bf-blender/!svn/bc/${revision}/trunk/">${revision}</a><br/>
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File format reference: <a href="mystery_of_the_blend.html">The mystery of the blend</a> by Jeroen Bakker<br/>
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<h1>Index of blender structures</h1>
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<ul class=multicolumn>
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${structs_list}
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</ul>
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${structs_content}
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</body>
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</html>"""
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header = self.Catalog.Header
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bpy = self.bpy
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# ${version} and ${revision}
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if bpy:
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version = '.'.join(map(str, bpy.app.version))
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revision = bpy.app.build_revision[:-1]
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else:
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version = str(header.Version)
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revision = 'Unknown'
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# ${bitness}
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if header.PointerSize == 8:
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bitness = '64 bit'
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else:
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bitness = '32 bit'
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# ${endianness}
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if header.LittleEndianness:
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endianess= 'Little endianness'
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else:
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endianess= 'Big endianness'
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# ${structs_list}
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log.debug("Creating structs index")
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structs_list = ''
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list_item = '<li class="multicolumn">({0}) <a href="#{1}">{1}</a></li>\n'
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structureIndex = 0
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for structure in self.Catalog.Structs:
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structs_list += list_item.format(structureIndex, structure.Type.Name)
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structureIndex+=1
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# ${structs_content}
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log.debug("Creating structs content")
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structs_content = ''
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for structure in self.Catalog.Structs:
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log.debug(structure.Type.Name)
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structs_content += self.Structure(structure)
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d = dict(
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version = version,
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revision = revision,
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bitness = bitness,
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endianness = endianess,
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structs_list = structs_list,
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structs_content = structs_content
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)
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dna_html = Template(dna_html_template).substitute(d)
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dna_html = self.format(dna_html)
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handle.write(dna_html)
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def Structure(self, structure):
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struct_table_template = """
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<table><a name="${struct_name}"></a>
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<caption><a href="#${struct_name}">${struct_name}</a></caption>
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<thead>
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<tr>
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<th>reference</th>
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<th>structure</th>
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<th>type</th>
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<th>name</th>
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<th>offset</th>
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<th>size</th>
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</tr>
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</thead>
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<tbody>
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${fields}
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</tbody>
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</table>
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<label>Total size: ${size} bytes</label><br/>
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<label>(<a href="#top">top</a>)</label><br/>"""
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d = dict(
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struct_name = structure.Type.Name,
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fields = self.StructureFields(structure, None, 0),
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size = str(structure.Type.Size)
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)
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struct_table = Template(struct_table_template).substitute(d)
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return struct_table
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def StructureFields(self, structure, parentReference, offset):
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fields = ''
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for field in structure.Fields:
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fields += self.StructureField(field, structure, parentReference, offset)
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offset += field.Size(self.Catalog.Header)
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return fields
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def StructureField(self, field, structure, parentReference, offset):
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structure_field_template = """
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<tr>
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<td>${reference}</td>
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<td>${struct}</td>
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<td>${type}</td>
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<td>${name}</td>
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<td>${offset}</td>
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<td>${size}</td>
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</tr>"""
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2012-02-02 21:07:56 +00:00
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if field.Type.Structure is None or field.Name.IsPointer():
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2010-10-30 13:25:24 +00:00
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# ${reference}
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reference = field.Name.AsReference(parentReference)
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# ${struct}
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2012-02-02 21:07:56 +00:00
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if parentReference is not None:
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2010-10-30 13:25:24 +00:00
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struct = '<a href="#{0}">{0}</a>'.format(structure.Type.Name)
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else:
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struct = structure.Type.Name
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# ${type}
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type = field.Type.Name
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# ${name}
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name = field.Name.Name
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# ${offset}
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# offset already set
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# ${size}
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size = field.Size(self.Catalog.Header)
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d = dict(
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reference = reference,
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struct = struct,
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type = type,
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name = name,
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offset = offset,
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size = size
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)
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structure_field = Template(structure_field_template).substitute(d)
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2012-02-02 21:07:56 +00:00
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elif field.Type.Structure is not None:
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2010-10-30 13:25:24 +00:00
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reference = field.Name.AsReference(parentReference)
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structure_field = self.StructureFields(field.Type.Structure, reference, offset)
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return structure_field
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def indent(self, input, dent, startswith = ''):
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output = ''
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if dent < 0:
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for line in input.split('\n'):
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dent = abs(dent)
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output += line[dent:] + '\n' # unindent of a desired amount
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elif dent == 0:
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for line in input.split('\n'):
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output += line.lstrip() + '\n' # remove indentation completely
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elif dent > 0:
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for line in input.split('\n'):
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output += ' '* dent + line + '\n'
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return output
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def format(self, input):
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diff = {
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'\n<!DOCTYPE':'<!DOCTYPE',
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'\n</ul>' :'</ul>',
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'<a name' :'\n<a name',
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'<tr>\n' :'<tr>',
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'<tr>' :' <tr>',
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'</th>\n' :'</th>',
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'</td>\n' :'</td>',
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'<tbody>\n' :'<tbody>'
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}
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output = self.indent(input, 0)
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for key, value in diff.items():
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output = output.replace(key, value)
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return output
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def WriteToCSS(self, handle):
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'''
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Write the Cascading stylesheet template to the handle
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It is expected that the handle is a Filehandle
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'''
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css = """
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@CHARSET "ISO-8859-1";
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body {
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font-family: verdana;
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font-size: small;
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}
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div.title {
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font-size: large;
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text-align: center;
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}
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h1 {
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page-break-before: always;
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}
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h1, h2 {
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background-color: #D3D3D3;
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color:#404040;
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margin-right: 3%;
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padding-left: 40px;
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}
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h1:hover{
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background-color: #EBEBEB;
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}
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h3 {
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padding-left: 40px;
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}
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table {
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border-width: 1px;
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border-style: solid;
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border-color: #000000;
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border-collapse: collapse;
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width: 94%;
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margin: 20px 3% 10px;
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}
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caption {
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margin-bottom: 5px;
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}
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th {
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background-color: #000000;
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color:#ffffff;
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padding-left:5px;
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padding-right:5px;
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}
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tr {
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}
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td {
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border-width: 1px;
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border-style: solid;
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border-color: #a0a0a0;
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padding-left:5px;
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padding-right:5px;
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}
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label {
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float:right;
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margin-right: 3%;
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}
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ul.multicolumn {
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list-style:none;
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float:left;
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padding-right:0px;
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margin-right:0px;
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}
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li.multicolumn {
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float:left;
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width:200px;
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margin-right:0px;
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}
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a {
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color:#a000a0;
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text-decoration:none;
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}
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a:hover {
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color:#a000a0;
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text-decoration:underline;
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}
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|
"""
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css = self.indent(css, 0)
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handle.write(css)
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|
|
def usage():
|
2011-10-19 21:55:27 +00:00
|
|
|
print("\nUsage: \n\tblender2.5 --background -noaudio --python BlendFileDnaExporter_25.py [-- [options]]")
|
2010-10-30 13:25:24 +00:00
|
|
|
print("Options:")
|
|
|
|
|
print("\t--dna-keep-blend: doesn't delete the produced blend file DNA export to html")
|
|
|
|
|
print("\t--dna-debug: sets the logging level to DEBUG (lots of additional info)")
|
2010-11-01 13:27:33 +00:00
|
|
|
print("\t--dna-versioned saves version informations in the html and blend filenames")
|
|
|
|
|
print("\t--dna-overwrite-css overwrite dna.css, useful when modifying css in the script")
|
2010-10-30 13:25:24 +00:00
|
|
|
print("Examples:")
|
2011-10-19 21:55:27 +00:00
|
|
|
print("\tdefault: % blender2.5 --background -noaudio --python BlendFileDnaExporter_25.py")
|
|
|
|
|
print("\twith options: % blender2.5 --background -noaudio --python BlendFileDnaExporter_25.py -- --dna-keep-blend --dna-debug\n")
|
2010-10-30 13:25:24 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
######################################################
|
|
|
|
|
# Main
|
|
|
|
|
######################################################
|
|
|
|
|
|
|
|
|
|
def main():
|
|
|
|
|
|
|
|
|
|
import os, os.path
|
|
|
|
|
|
|
|
|
|
try:
|
|
|
|
|
bpy = __import__('bpy')
|
|
|
|
|
|
|
|
|
|
# Files
|
|
|
|
|
if '--dna-versioned' in sys.argv:
|
|
|
|
|
blender_version = '_'.join(map(str, bpy.app.version))
|
|
|
|
|
filename = 'dna-{0}-{1}_endian-{2}-r{3}'.format(sys.arch, sys.byteorder, blender_version, bpy.app.build_revision[2:-1])
|
|
|
|
|
else:
|
|
|
|
|
filename = 'dna'
|
|
|
|
|
dir = os.path.dirname(__file__)
|
|
|
|
|
Path_Blend = os.path.join(dir, filename + '.blend') # temporary blend file
|
|
|
|
|
Path_HTML = os.path.join(dir, filename + '.html') # output html file
|
|
|
|
|
Path_CSS = os.path.join(dir, 'dna.css') # output css file
|
|
|
|
|
|
|
|
|
|
# create a blend file for dna parsing
|
|
|
|
|
if not os.path.exists(Path_Blend):
|
|
|
|
|
log.info("1: write temp blend file with SDNA info")
|
|
|
|
|
log.info(" saving to: " + Path_Blend)
|
|
|
|
|
try:
|
|
|
|
|
bpy.ops.wm.save_as_mainfile(filepath = Path_Blend, copy = True, compress = False)
|
|
|
|
|
except:
|
|
|
|
|
log.error("Filename {0} does not exist and can't be created... quitting".format(Path_Blend))
|
|
|
|
|
return
|
|
|
|
|
else:
|
|
|
|
|
log.info("1: found blend file with SDNA info")
|
|
|
|
|
log.info(" " + Path_Blend)
|
|
|
|
|
|
|
|
|
|
# read blend header from blend file
|
|
|
|
|
log.info("2: read file:")
|
|
|
|
|
|
|
|
|
|
if not dir in sys.path:
|
|
|
|
|
sys.path.append(dir)
|
|
|
|
|
import BlendFileReader
|
|
|
|
|
|
|
|
|
|
handle = BlendFileReader.openBlendFile(Path_Blend)
|
|
|
|
|
blendfile = BlendFileReader.BlendFile(handle)
|
|
|
|
|
catalog = DNACatalogHTML(blendfile.Catalog, bpy)
|
|
|
|
|
|
|
|
|
|
# close temp file
|
|
|
|
|
handle.close()
|
|
|
|
|
|
|
|
|
|
# deleting or not?
|
|
|
|
|
if '--dna-keep-blend' in sys.argv:
|
|
|
|
|
# keep the blend, useful for studying hexdumps
|
|
|
|
|
log.info("5: closing blend file:")
|
|
|
|
|
log.info(" {0}".format(Path_Blend))
|
|
|
|
|
else:
|
|
|
|
|
# delete the blend
|
|
|
|
|
log.info("5: close and delete temp blend:")
|
|
|
|
|
log.info(" {0}".format(Path_Blend))
|
|
|
|
|
os.remove(Path_Blend)
|
|
|
|
|
|
|
|
|
|
# export dna to xhtml
|
|
|
|
|
log.info("6: export sdna to xhtml file")
|
|
|
|
|
handleHTML = open(Path_HTML, "w")
|
|
|
|
|
catalog.WriteToHTML(handleHTML)
|
|
|
|
|
handleHTML.close()
|
|
|
|
|
|
|
|
|
|
# only write the css when doesn't exist or at explicit request
|
|
|
|
|
if not os.path.exists(Path_CSS) or '--dna-overwrite-css' in sys.argv:
|
|
|
|
|
handleCSS = open(Path_CSS, "w")
|
|
|
|
|
catalog.WriteToCSS(handleCSS)
|
|
|
|
|
handleCSS.close()
|
|
|
|
|
|
|
|
|
|
# quit blender
|
|
|
|
|
if not bpy.app.background:
|
|
|
|
|
log.info("7: quit blender")
|
|
|
|
|
bpy.ops.wm.exit_blender()
|
|
|
|
|
|
|
|
|
|
except ImportError:
|
|
|
|
|
log.warning(" skipping, not running in Blender")
|
|
|
|
|
usage()
|
|
|
|
|
sys.exit(2)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
|
main()
|
