Mercurial > hg > orthanc-volview
annotate Resources/EmbedStaticAssets.py @ 19:9d35ffe3e321 default tip
added CITATION.cff
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 06 Apr 2024 17:34:19 +0200 |
| parents | ec47d2182ac6 |
| children |
| rev | line source |
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| 0 | 1 #!/usr/bin/python3 |
| 2 | |
| 15 | 3 # SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium |
| 0 | 4 # SPDX-License-Identifier: GPL-3.0-or-later |
| 5 | |
| 6 # Kitware's VolView plugin for Orthanc | |
| 15 | 7 # Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium |
| 0 | 8 # |
| 9 # This program is free software: you can redistribute it and/or | |
| 10 # modify it under the terms of the GNU General Public License as | |
| 11 # published by the Free Software Foundation, either version 3 of the | |
| 12 # License, or (at your option) any later version. | |
| 13 # | |
| 14 # This program is distributed in the hope that it will be useful, but | |
| 15 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 # General Public License for more details. | |
| 18 # | |
| 19 # You should have received a copy of the GNU General Public License | |
| 20 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 | |
| 22 | |
| 23 import gzip | |
| 24 import hashlib | |
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25 import io |
| 0 | 26 import os |
| 27 import sys | |
| 28 | |
| 29 if len(sys.argv) != 3: | |
| 30 raise Exception('Usage: %s [source folder] [target C++]' % sys.argv[0]) | |
| 31 | |
| 32 SOURCE = sys.argv[1] | |
| 33 TARGET = sys.argv[2] | |
| 34 | |
| 35 if not os.path.isdir(SOURCE): | |
| 36 raise Exception('Nonexistent source folder: %s' % SOURCE) | |
| 37 | |
| 38 | |
| 39 def EncodeFileAsCString(f, variable, content): | |
| 40 f.write('static const uint8_t %s[%d] = \n "' % (variable, len(content) + 1)) | |
| 41 | |
| 42 column = 0 | |
| 43 | |
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44 for c in content: |
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45 |
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46 if sys.version_info < (3, 0): |
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47 # Python 2.7 |
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48 i = ord(c) |
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49 else: |
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50 # Python 3.x |
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51 i = c |
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52 |
| 0 | 53 if i < 32 or i >= 127 or i == ord('?'): |
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54 f.write('\\{0:03o}'.format(i)) |
| 0 | 55 elif i in [ ord('"'), ord('\\') ]: |
| 56 f.write('\\' + chr(i)) | |
| 57 else: | |
| 58 f.write(chr(i)) | |
| 59 | |
| 60 column += 1 | |
| 61 if column >= 120: | |
| 62 f.write('"\n "') | |
| 63 column = 0 | |
| 64 | |
| 65 f.write('";\n\n') | |
| 66 | |
| 67 | |
| 68 def WriteChecksum(f, variable, content): | |
| 69 md5 = hashlib.md5(content).hexdigest() | |
| 70 g.write('static const char* %s = "%s";\n\n' % (variable, md5)) | |
| 71 | |
| 72 | |
| 73 with open(TARGET, 'w') as g: | |
| 74 g.write(''' | |
| 75 #include <stdint.h> | |
| 76 #include <Compression/GzipCompressor.h> | |
| 77 #include <OrthancException.h> | |
| 78 #include <Toolbox.h> | |
| 79 | |
| 80 static void Uncompress(std::string& target, const void* data, size_t size, const std::string& md5Expected) | |
| 81 { | |
| 82 Orthanc::GzipCompressor compressor; | |
| 83 compressor.Uncompress(target, data, size); | |
| 84 std::string md5Actual; | |
| 85 Orthanc::Toolbox::ComputeMD5(md5Actual, target); | |
| 86 if (md5Actual != md5Expected) | |
| 87 { | |
| 88 throw Orthanc::OrthancException(Orthanc::ErrorCode_CorruptedFile); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 ''') | |
| 93 | |
| 94 index = {} | |
| 95 count = 0 | |
| 96 | |
| 97 for root, dirs, files in os.walk(SOURCE): | |
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98 files.sort() |
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99 dirs.sort() |
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100 |
| 0 | 101 for f in files: |
| 102 fullPath = os.path.join(root, f) | |
| 103 relativePath = os.path.relpath(os.path.join(root, f), SOURCE) | |
| 104 variable = 'data_%06d' % count | |
| 105 | |
| 106 with open(fullPath, 'rb') as source: | |
| 107 content = source.read() | |
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108 |
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109 if sys.version_info < (3, 0): |
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110 # Python 2.7 |
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111 fileobj = io.BytesIO() |
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112 gzip.GzipFile(fileobj=fileobj, mode='w', mtime=0).write(content) |
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113 compressed = fileobj.getvalue() |
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114 else: |
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115 # Python 3.x |
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116 compressed = gzip.compress(content, mtime=0) |
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117 |
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118 EncodeFileAsCString(g, variable, compressed) |
| 0 | 119 WriteChecksum(g, variable + '_md5', content) |
| 120 | |
| 121 index[relativePath] = variable | |
| 122 | |
| 123 count += 1 | |
| 124 | |
| 125 g.write('void ReadStaticAsset(std::string& target, const std::string& path)\n') | |
| 126 g.write('{\n') | |
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parents:
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127 for (path, variable) in sorted(index.items()): |
| 0 | 128 g.write(' if (path == "%s")\n' % path) |
| 129 g.write(' {\n') | |
| 130 g.write(' Uncompress(target, %s, sizeof(%s) - 1, %s_md5);\n' % (variable, variable, variable)) | |
| 131 g.write(' return;\n') | |
| 132 g.write(' }\n\n') | |
| 133 | |
| 134 g.write(' throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, "Unknown VolView resource: " + path);\n') | |
| 135 g.write('}\n') |