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1 | 1 | /* |
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2 | 2 | * |
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3 | 3 | * Copyright (C) 2006 MeVis Research GmbH All Rights Reserved. |
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4 | 4 | * |
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5 | 5 | * This library is free software; you can redistribute it and/or |
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6 | 6 | * modify it under the terms of the GNU Lesser General Public |
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7 | 7 | * License as published by the Free Software Foundation; either |
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8 | 8 | * version 2.1 of the License, or (at your option) any later version. |
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9 | 9 | * |
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10 | 10 | * This library is distributed in the hope that it will be useful, |
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11 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 | 13 | * Lesser General Public License for more details. |
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14 | 14 | * |
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15 | 15 | * Further, this software is distributed without any warranty that it is |
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16 | 16 | * free of the rightful claim of any third person regarding infringement |
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17 | 17 | * or the like. Any license provided herein, whether implied or |
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18 | 18 | * otherwise, applies only to this software file. Patent licenses, if |
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19 | 19 | * any, provided herein do not apply to combinations of this program with |
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20 | 20 | * other software, or any other product whatsoever. |
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21 | 21 | * |
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22 | 22 | * You should have received a copy of the GNU Lesser General Public |
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23 | 23 | * License along with this library; if not, write to the Free Software |
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24 | 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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25 | 25 | * |
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26 | 26 | * Contact information: MeVis Research GmbH, Universitaetsallee 29, |
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27 | 27 | * 28359 Bremen, Germany or: |
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28 | 28 | * |
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29 | 29 | * http://www.mevis.de |
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30 | 30 | * |
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31 | 31 | */ |
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32 | 32 | |
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33 | 33 | //---------------------------------------------------------------------------------- |
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34 | 34 | /*! |
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35 | 35 | // \file PythonQtImporter.h |
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36 | 36 | // \author Florian Link |
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37 | 37 | // \author Last changed by $Author: florian $ |
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38 | 38 | // \date 2006-05 |
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39 | 39 | */ |
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40 | 40 | // This module was inspired by the zipimport.c module of the original |
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41 | 41 | // Python distribution. Most of the functions are identical or slightly |
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42 | 42 | // modified to do all the loading of Python files via an external file interface. |
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43 | 43 | // In contrast to zipimport.c, this module also writes *.pyc files |
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44 | 44 | // automatically if it has write access/is not inside of a zip file. |
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45 | 45 | //---------------------------------------------------------------------------------- |
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46 | 46 | |
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47 | 47 | #include "PythonQtImporter.h" |
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48 | 48 | #include "PythonQtImportFileInterface.h" |
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49 | 49 | #include "PythonQt.h" |
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50 | #include "PythonQtConversion.h" | |
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50 | 51 | #include <QFile> |
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51 | 52 | #include <QFileInfo> |
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52 | 53 | |
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53 | 54 | #define IS_SOURCE 0x0 |
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54 | 55 | #define IS_BYTECODE 0x1 |
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55 | 56 | #define IS_PACKAGE 0x2 |
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56 | 57 | |
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57 | 58 | struct st_mlab_searchorder { |
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58 | 59 | char suffix[14]; |
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59 | 60 | int type; |
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60 | 61 | }; |
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61 | 62 | |
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62 | 63 | /* mlab_searchorder defines how we search for a module in the Zip |
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63 | 64 | archive: we first search for a package __init__, then for |
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64 | 65 | non-package .pyc, .pyo and .py entries. The .pyc and .pyo entries |
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65 | 66 | are swapped by initmlabimport() if we run in optimized mode. Also, |
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66 | 67 | '/' is replaced by SEP there. */ |
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67 | 68 | struct st_mlab_searchorder mlab_searchorder[] = { |
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68 | 69 | {"/__init__.pyc", IS_PACKAGE | IS_BYTECODE}, |
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69 | 70 | {"/__init__.pyo", IS_PACKAGE | IS_BYTECODE}, |
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70 | 71 | {"/__init__.py", IS_PACKAGE | IS_SOURCE}, |
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71 | 72 | {".pyc", IS_BYTECODE}, |
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72 | 73 | {".pyo", IS_BYTECODE}, |
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73 | 74 | {".py", IS_SOURCE}, |
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74 | 75 | {"", 0} |
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75 | 76 | }; |
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76 | 77 | |
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77 | 78 | extern PyTypeObject PythonQtImporter_Type; |
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78 | 79 | PyObject *PythonQtImportError; |
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79 | 80 | |
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80 | 81 | QString PythonQtImport::getSubName(const QString& str) |
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81 | 82 | { |
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82 | 83 | int idx = str.lastIndexOf('.'); |
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83 | 84 | if (idx!=-1) { |
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84 | 85 | return str.mid(idx+1); |
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85 | 86 | } else { |
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86 | 87 | return str; |
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87 | 88 | } |
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88 | 89 | } |
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89 | 90 | |
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90 |
PythonQtImport:: |
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91 | PythonQtImport::ModuleInfo PythonQtImport::getModuleInfo(PythonQtImporter* self, const QString& fullname) | |
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91 | 92 | { |
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93 | ModuleInfo info; | |
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92 | 94 | QString subname; |
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93 | 95 | struct st_mlab_searchorder *zso; |
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94 | 96 | |
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95 | 97 | subname = getSubName(fullname); |
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96 | 98 | QString path = *self->_path + "/" + subname; |
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97 | 99 | |
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98 | 100 | QString test; |
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99 | 101 | for (zso = mlab_searchorder; *zso->suffix; zso++) { |
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100 | 102 | test = path + zso->suffix; |
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101 | 103 | if (PythonQt::importInterface()->exists(test)) { |
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102 | if (zso->type & IS_PACKAGE) | |
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103 | return MI_PACKAGE; | |
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104 | else | |
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105 |
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104 | info.fullPath = test; | |
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105 | info.moduleName = subname; | |
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106 | info.type = (zso->type & IS_PACKAGE)?MI_PACKAGE:MI_MODULE; | |
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107 | return info; | |
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106 | 108 | } |
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107 | 109 | } |
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108 | if (PythonQt::importInterface()->exists(path+".so")) { | |
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109 | return MI_SHAREDLIBRARY; | |
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110 | // test if it is a shared library | |
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111 | foreach(const QString& suffix, PythonQt::priv()->sharedLibrarySuffixes()) { | |
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112 | test = path+suffix; | |
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113 | if (PythonQt::importInterface()->exists(test)) { | |
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114 | info.fullPath = test; | |
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115 | info.moduleName = subname; | |
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116 | info.type = MI_SHAREDLIBRARY; | |
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117 | } | |
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110 | 118 | } |
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111 | return MI_NOT_FOUND; | |
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119 | return info; | |
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112 | 120 | } |
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113 | 121 | |
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114 | 122 | |
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115 | 123 | /* PythonQtImporter.__init__ |
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116 | 124 | Just store the path argument (or reject if it is in the ignorePaths list |
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117 | 125 | */ |
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118 | 126 | int PythonQtImporter_init(PythonQtImporter *self, PyObject *args, PyObject * /*kwds*/) |
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119 | 127 | { |
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120 | 128 | self->_path = NULL; |
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121 | 129 | |
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122 | 130 | const char* cpath; |
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123 | 131 | if (!PyArg_ParseTuple(args, "s", |
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124 | 132 | &cpath)) |
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125 | 133 | return -1; |
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126 | 134 | |
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127 | 135 | QString path(cpath); |
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128 | 136 | if (PythonQt::importInterface()->exists(path)) { |
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129 | 137 | const QStringList& ignorePaths = PythonQt::self()->getImporterIgnorePaths(); |
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130 | 138 | foreach(QString ignorePath, ignorePaths) { |
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131 | 139 | if (path.startsWith(ignorePath)) { |
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132 | 140 | PyErr_SetString(PythonQtImportError, |
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133 | 141 | "path ignored"); |
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134 | 142 | return -1; |
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135 | 143 | } |
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136 | 144 | } |
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137 | 145 | |
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138 | 146 | self->_path = new QString(path); |
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139 | 147 | return 0; |
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140 | 148 | } else { |
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141 | 149 | PyErr_SetString(PythonQtImportError, |
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142 | 150 | "path does not exist error"); |
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143 | 151 | return -1; |
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144 | 152 | } |
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145 | 153 | } |
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146 | 154 | |
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147 | 155 | void |
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148 | 156 | PythonQtImporter_dealloc(PythonQtImporter *self) |
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149 | 157 | { |
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150 | 158 | // free the stored path |
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151 | 159 | if (self->_path) delete self->_path; |
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152 | 160 | // free ourself |
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153 | 161 | self->ob_type->tp_free((PyObject *)self); |
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154 | 162 | } |
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155 | 163 | |
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156 | 164 | |
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157 | 165 | /* Check whether we can satisfy the import of the module named by |
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158 | 166 | 'fullname'. Return self if we can, None if we can't. */ |
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159 | 167 | PyObject * |
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160 | 168 | PythonQtImporter_find_module(PyObject *obj, PyObject *args) |
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161 | 169 | { |
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162 | 170 | PythonQtImporter *self = (PythonQtImporter *)obj; |
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163 | 171 | PyObject *path = NULL; |
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164 | 172 | char *fullname; |
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165 | 173 | |
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166 | 174 | if (!PyArg_ParseTuple(args, "s|O:PythonQtImporter.find_module", |
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167 | 175 | &fullname, &path)) |
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168 | 176 | return NULL; |
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169 | 177 | |
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170 | qDebug() << "looking for " << fullname << " at " << *self->_path; | |
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178 | //qDebug() << "looking for " << fullname << " at " << *self->_path; | |
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171 | 179 | |
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172 | // mlabDebugConst("MLABPython", "FindModule " << fullname << " in " << *self->_path); | |
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173 | ||
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174 | PythonQtImport::module_info info = PythonQtImport::getModuleInfo(self, fullname); | |
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175 | if (info == PythonQtImport::MI_MODULE || info == PythonQtImport::MI_PACKAGE || | |
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176 | info== PythonQtImport::MI_SHAREDLIBRARY) { | |
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180 | PythonQtImport::ModuleInfo info = PythonQtImport::getModuleInfo(self, fullname); | |
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181 | if (info.type != PythonQtImport::MI_NOT_FOUND) { | |
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177 | 182 | Py_INCREF(self); |
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178 | 183 | return (PyObject *)self; |
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179 | 184 | } else { |
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180 | 185 | Py_INCREF(Py_None); |
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181 | 186 | return Py_None; |
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182 | 187 | } |
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183 | 188 | } |
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184 | 189 | |
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185 | 190 | /* Load and return the module named by 'fullname'. */ |
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186 | 191 | PyObject * |
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187 | 192 | PythonQtImporter_load_module(PyObject *obj, PyObject *args) |
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188 | 193 | { |
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189 | 194 | PythonQtImporter *self = (PythonQtImporter *)obj; |
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190 | PyObject *code, *mod, *dict; | |
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195 | PyObject *code = NULL, *mod = NULL, *dict = NULL; | |
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191 | 196 | char *fullname; |
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192 | QString modpath; | |
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193 | int ispackage; | |
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194 | 197 | |
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195 | 198 | if (!PyArg_ParseTuple(args, "s:PythonQtImporter.load_module", |
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196 | 199 | &fullname)) |
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197 | 200 | return NULL; |
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198 | 201 | |
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199 |
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200 | if (code == NULL) { | |
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201 | return NULL; | |
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202 | } | |
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203 | ||
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204 | mod = PyImport_AddModule(fullname); | |
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205 | if (mod == NULL) { | |
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206 | Py_DECREF(code); | |
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202 | PythonQtImport::ModuleInfo info = PythonQtImport::getModuleInfo(self, fullname); | |
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203 | if (info.type == PythonQtImport::MI_NOT_FOUND) { | |
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207 | 204 | return NULL; |
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208 | 205 | } |
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209 | dict = PyModule_GetDict(mod); | |
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210 | 206 | |
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211 | if (PyDict_SetItemString(dict, "__loader__", (PyObject *)self) != 0) { | |
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212 | Py_DECREF(code); | |
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213 | Py_DECREF(mod); | |
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214 | return NULL; | |
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215 | } | |
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216 | ||
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217 | if (ispackage) { | |
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218 | PyObject *pkgpath, *fullpath; | |
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219 | QString subname = PythonQtImport::getSubName(fullname); | |
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220 | int err; | |
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221 | ||
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222 | fullpath = PyString_FromFormat("%s%c%s", | |
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223 | self->_path->toLatin1().constData(), | |
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224 | SEP, | |
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225 | subname.toLatin1().constData()); | |
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226 | if (fullpath == NULL) { | |
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227 | Py_DECREF(code); | |
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228 | Py_DECREF(mod); | |
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207 | if (info.type == PythonQtImport::MI_PACKAGE || info.type == PythonQtImport::MI_MODULE) { | |
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208 | QString fullPath; | |
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209 | code = PythonQtImport::getModuleCode(self, fullname, fullPath); | |
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210 | if (code == NULL) { | |
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229 | 211 | return NULL; |
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230 | 212 | } |
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231 | 213 | |
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232 | pkgpath = Py_BuildValue("[O]", fullpath); | |
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233 | Py_DECREF(fullpath); | |
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234 | if (pkgpath == NULL) { | |
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214 | mod = PyImport_AddModule(fullname); | |
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215 | if (mod == NULL) { | |
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235 | 216 | Py_DECREF(code); |
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236 | Py_DECREF(mod); | |
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237 | 217 | return NULL; |
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238 | 218 | } |
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239 | err = PyDict_SetItemString(dict, "__path__", pkgpath); | |
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240 | Py_DECREF(pkgpath); | |
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241 | if (err != 0) { | |
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219 | dict = PyModule_GetDict(mod); | |
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220 | ||
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221 | if (PyDict_SetItemString(dict, "__loader__", (PyObject *)self) != 0) { | |
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242 | 222 | Py_DECREF(code); |
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243 | 223 | Py_DECREF(mod); |
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244 | 224 | return NULL; |
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245 | 225 | } |
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246 | } | |
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247 | mod = PyImport_ExecCodeModuleEx(fullname, code, (char*)modpath.toLatin1().data()); | |
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248 | Py_DECREF(code); | |
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249 | if (Py_VerboseFlag) { | |
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250 | PySys_WriteStderr("import %s # loaded from %s\n", | |
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251 | fullname, modpath.toLatin1().constData()); | |
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226 | ||
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227 | if (info.type == PythonQtImport::MI_PACKAGE) { | |
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228 | PyObject *pkgpath, *fullpath; | |
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229 | QString subname = info.moduleName; | |
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230 | int err; | |
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231 | ||
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232 | fullpath = PyString_FromFormat("%s%c%s", | |
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233 | self->_path->toLatin1().constData(), | |
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234 | SEP, | |
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235 | subname.toLatin1().constData()); | |
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236 | if (fullpath == NULL) { | |
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237 | Py_DECREF(code); | |
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238 | Py_DECREF(mod); | |
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239 | return NULL; | |
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240 | } | |
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241 | ||
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242 | pkgpath = Py_BuildValue("[O]", fullpath); | |
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243 | Py_DECREF(fullpath); | |
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244 | if (pkgpath == NULL) { | |
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245 | Py_DECREF(code); | |
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246 | Py_DECREF(mod); | |
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247 | return NULL; | |
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248 | } | |
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249 | err = PyDict_SetItemString(dict, "__path__", pkgpath); | |
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250 | Py_DECREF(pkgpath); | |
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251 | if (err != 0) { | |
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252 | Py_DECREF(code); | |
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253 | Py_DECREF(mod); | |
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254 | return NULL; | |
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255 | } | |
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256 | } | |
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257 | mod = PyImport_ExecCodeModuleEx(fullname, code, fullPath.toLatin1().data()); | |
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258 | Py_DECREF(code); | |
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259 | if (Py_VerboseFlag) { | |
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260 | PySys_WriteStderr("import %s # loaded from %s\n", | |
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261 | fullname, fullPath.toLatin1().constData()); | |
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262 | } | |
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263 | } else { | |
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264 | PythonQtObjectPtr imp; | |
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265 | imp.setNewRef(PyImport_ImportModule("imp")); | |
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266 | ||
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267 | // Create a PyList with the current path as its single element, | |
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268 | // which is required for find_module (it won't accept a tuple...) | |
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269 | PythonQtObjectPtr pathList; | |
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270 | pathList.setNewRef(PythonQtConv::QStringListToPyList(QStringList() << *self->_path)); | |
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271 | ||
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272 | QVariantList args; | |
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273 | // Pass the module name without the package prefix | |
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274 | args.append(info.moduleName); | |
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275 | // And the path where we know that the shared library is | |
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276 | args.append(QVariant::fromValue(pathList)); | |
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277 | QVariant result = imp.call("find_module", args); | |
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278 | if (result.isValid()) { | |
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279 | // This will return a tuple with (file, pathname, description) | |
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280 | QVariantList list = result.toList(); | |
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281 | if (list.count()==3) { | |
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282 | // We prepend the full module name (including package prefix) | |
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283 | list.prepend(fullname); | |
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284 | // And call "load_module" with (fullname, file, pathname, description) | |
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285 | PythonQtObjectPtr module = imp.call("load_module", list); | |
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286 | mod = module.object(); | |
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287 | if (mod) { | |
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288 | Py_INCREF(mod); | |
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289 | } | |
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290 | ||
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291 | // Finally, we need to close the file again, which find_module opened for us | |
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292 | PythonQtObjectPtr file = list.at(1); | |
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293 | file.call("close"); | |
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294 | } | |
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295 | } | |
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252 | 296 | } |
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253 | 297 | return mod; |
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254 | 298 | } |
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255 | 299 | |
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256 | 300 | |
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257 | 301 | PyObject * |
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258 | 302 | PythonQtImporter_get_data(PyObject* /*obj*/, PyObject* /*args*/) |
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259 | 303 | { |
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260 | 304 | // EXTRA, NOT YET IMPLEMENTED |
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261 | 305 | return NULL; |
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262 | 306 | } |
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263 | 307 | |
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264 | 308 | PyObject * |
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265 | 309 | PythonQtImporter_get_code(PyObject *obj, PyObject *args) |
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266 | 310 | { |
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267 | 311 | PythonQtImporter *self = (PythonQtImporter *)obj; |
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268 | 312 | char *fullname; |
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269 | 313 | |
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270 | 314 | if (!PyArg_ParseTuple(args, "s:PythonQtImporter.get_code", &fullname)) |
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271 | 315 | return NULL; |
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272 | 316 | |
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273 | 317 | QString notused; |
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274 |
return PythonQtImport::getModuleCode(self, fullname, |
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318 | return PythonQtImport::getModuleCode(self, fullname, notused); | |
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275 | 319 | } |
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276 | 320 | |
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277 | 321 | PyObject * |
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278 | 322 | PythonQtImporter_get_source(PyObject * /*obj*/, PyObject * /*args*/) |
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279 | 323 | { |
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280 | 324 | // EXTRA, NOT YET IMPLEMENTED |
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281 | /* | |
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282 | PythonQtImporter *self = (PythonQtImporter *)obj; | |
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283 | PyObject *toc_entry; | |
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284 | char *fullname, *subname, path[MAXPATHLEN+1]; | |
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285 | int len; | |
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286 | enum module_info mi; | |
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287 | ||
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288 | if (!PyArg_ParseTuple(args, "s:PythonQtImporter.get_source", &fullname)) | |
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289 | return NULL; | |
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290 | ||
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291 | mi = get_module_info(self, fullname); | |
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292 | if (mi == MI_ERROR) | |
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293 | return NULL; | |
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294 | if (mi == MI_NOT_FOUND) { | |
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295 | PyErr_Format(PythonQtImportError, "can't find module '%.200s'", | |
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296 | fullname); | |
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297 | return NULL; | |
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298 | } | |
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299 | subname = get_subname(fullname); | |
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300 | ||
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301 | len = make_filename(PyString_AsString(self->prefix), subname, path); | |
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302 | if (len < 0) | |
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303 | return NULL; | |
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304 | ||
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305 | if (mi == MI_PACKAGE) { | |
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306 | path[len] = SEP; | |
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307 | strcpy(path + len + 1, "__init__.py"); | |
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308 | } | |
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309 | else | |
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310 | strcpy(path + len, ".py"); | |
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311 | ||
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312 | toc_entry = PyDict_GetItemString(self->files, path); | |
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313 | if (toc_entry != NULL) | |
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314 | return get_data(PyString_AsString(self->archive), toc_entry); | |
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315 | ||
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316 | Py_INCREF(Py_None); | |
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317 | return Py_None; | |
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318 | */ | |
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319 | 325 | return NULL; |
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320 | 326 | } |
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321 | 327 | |
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322 | 328 | PyDoc_STRVAR(doc_find_module, |
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323 | 329 | "find_module(fullname, path=None) -> self or None.\n\ |
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324 | 330 | \n\ |
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325 | 331 | Search for a module specified by 'fullname'. 'fullname' must be the\n\ |
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326 | 332 | fully qualified (dotted) module name. It returns the PythonQtImporter\n\ |
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327 | 333 | instance itself if the module was found, or None if it wasn't.\n\ |
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328 | 334 | The optional 'path' argument is ignored -- it's there for compatibility\n\ |
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329 | 335 | with the importer protocol."); |
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330 | 336 | |
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331 | 337 | PyDoc_STRVAR(doc_load_module, |
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332 | 338 | "load_module(fullname) -> module.\n\ |
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333 | 339 | \n\ |
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334 | 340 | Load the module specified by 'fullname'. 'fullname' must be the\n\ |
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335 | 341 | fully qualified (dotted) module name. It returns the imported\n\ |
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336 | 342 | module, or raises PythonQtImportError if it wasn't found."); |
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337 | 343 | |
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338 | 344 | PyDoc_STRVAR(doc_get_data, |
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339 | 345 | "get_data(pathname) -> string with file data.\n\ |
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340 | 346 | \n\ |
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341 | 347 | Return the data associated with 'pathname'. Raise IOError if\n\ |
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342 | 348 | the file wasn't found."); |
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343 | 349 | |
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344 | 350 | PyDoc_STRVAR(doc_get_code, |
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345 | 351 | "get_code(fullname) -> code object.\n\ |
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346 | 352 | \n\ |
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347 | 353 | Return the code object for the specified module. Raise PythonQtImportError\n\ |
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348 | 354 | is the module couldn't be found."); |
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349 | 355 | |
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350 | 356 | PyDoc_STRVAR(doc_get_source, |
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351 | 357 | "get_source(fullname) -> source string.\n\ |
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352 | 358 | \n\ |
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353 | 359 | Return the source code for the specified module. Raise PythonQtImportError\n\ |
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354 | 360 | is the module couldn't be found, return None if the archive does\n\ |
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355 | 361 | contain the module, but has no source for it."); |
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356 | 362 | |
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357 | 363 | PyMethodDef PythonQtImporter_methods[] = { |
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358 | 364 | {"find_module", PythonQtImporter_find_module, METH_VARARGS, |
|
359 | 365 | doc_find_module}, |
|
360 | 366 | {"load_module", PythonQtImporter_load_module, METH_VARARGS, |
|
361 | 367 | doc_load_module}, |
|
362 | 368 | {"get_data", PythonQtImporter_get_data, METH_VARARGS, |
|
363 | 369 | doc_get_data}, |
|
364 | 370 | {"get_code", PythonQtImporter_get_code, METH_VARARGS, |
|
365 | 371 | doc_get_code}, |
|
366 | 372 | {"get_source", PythonQtImporter_get_source, METH_VARARGS, |
|
367 | 373 | doc_get_source}, |
|
368 | 374 | {NULL, NULL, 0 , NULL} /* sentinel */ |
|
369 | 375 | }; |
|
370 | 376 | |
|
371 | 377 | |
|
372 | 378 | PyDoc_STRVAR(PythonQtImporter_doc, |
|
373 | 379 | "PythonQtImporter(path) -> PythonQtImporter object\n\ |
|
374 | 380 | \n\ |
|
375 | 381 | Create a new PythonQtImporter instance. 'path' must be a valid path on disk/or inside of a zip file known to MeVisLab\n\ |
|
376 | 382 | . Every path is accepted."); |
|
377 | 383 | |
|
378 | 384 | #define DEFERRED_ADDRESS(ADDR) 0 |
|
379 | 385 | |
|
380 | 386 | PyTypeObject PythonQtImporter_Type = { |
|
381 | 387 | PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type)) |
|
382 | 388 | 0, |
|
383 | 389 | "PythonQtImport.PythonQtImporter", |
|
384 | 390 | sizeof(PythonQtImporter), |
|
385 | 391 | 0, /* tp_itemsize */ |
|
386 | 392 | (destructor)PythonQtImporter_dealloc, /* tp_dealloc */ |
|
387 | 393 | 0, /* tp_print */ |
|
388 | 394 | 0, /* tp_getattr */ |
|
389 | 395 | 0, /* tp_setattr */ |
|
390 | 396 | 0, /* tp_compare */ |
|
391 | 397 | 0, /* tp_repr */ |
|
392 | 398 | 0, /* tp_as_number */ |
|
393 | 399 | 0, /* tp_as_sequence */ |
|
394 | 400 | 0, /* tp_as_mapping */ |
|
395 | 401 | 0, /* tp_hash */ |
|
396 | 402 | 0, /* tp_call */ |
|
397 | 403 | 0, /* tp_str */ |
|
398 | 404 | PyObject_GenericGetAttr, /* tp_getattro */ |
|
399 | 405 | 0, /* tp_setattro */ |
|
400 | 406 | 0, /* tp_as_buffer */ |
|
401 | 407 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE , /* tp_flags */ |
|
402 | 408 | PythonQtImporter_doc, /* tp_doc */ |
|
403 | 409 | 0, /* tp_traverse */ |
|
404 | 410 | 0, /* tp_clear */ |
|
405 | 411 | 0, /* tp_richcompare */ |
|
406 | 412 | 0, /* tp_weaklistoffset */ |
|
407 | 413 | 0, /* tp_iter */ |
|
408 | 414 | 0, /* tp_iternext */ |
|
409 | 415 | PythonQtImporter_methods, /* tp_methods */ |
|
410 | 416 | 0, /* tp_members */ |
|
411 | 417 | 0, /* tp_getset */ |
|
412 | 418 | 0, /* tp_base */ |
|
413 | 419 | 0, /* tp_dict */ |
|
414 | 420 | 0, /* tp_descr_get */ |
|
415 | 421 | 0, /* tp_descr_set */ |
|
416 | 422 | 0, /* tp_dictoffset */ |
|
417 | 423 | (initproc)PythonQtImporter_init, /* tp_init */ |
|
418 | 424 | PyType_GenericAlloc, /* tp_alloc */ |
|
419 | 425 | PyType_GenericNew, /* tp_new */ |
|
420 | 426 | PyObject_Del, /* tp_free */ |
|
421 | 427 | }; |
|
422 | 428 | |
|
423 | 429 | |
|
424 | 430 | /* Given a buffer, return the long that is represented by the first |
|
425 | 431 | 4 bytes, encoded as little endian. This partially reimplements |
|
426 | 432 | marshal.c:r_long() */ |
|
427 | 433 | long |
|
428 | 434 | PythonQtImport::getLong(unsigned char *buf) |
|
429 | 435 | { |
|
430 | 436 | long x; |
|
431 | 437 | x = buf[0]; |
|
432 | 438 | x |= (long)buf[1] << 8; |
|
433 | 439 | x |= (long)buf[2] << 16; |
|
434 | 440 | x |= (long)buf[3] << 24; |
|
435 | 441 | #if SIZEOF_LONG > 4 |
|
436 | 442 | /* Sign extension for 64-bit machines */ |
|
437 | 443 | x |= -(x & 0x80000000L); |
|
438 | 444 | #endif |
|
439 | 445 | return x; |
|
440 | 446 | } |
|
441 | 447 | |
|
442 | 448 | FILE * |
|
443 | 449 | open_exclusive(const QString& filename) |
|
444 | 450 | { |
|
445 | 451 | #if defined(O_EXCL)&&defined(O_CREAT)&&defined(O_WRONLY)&&defined(O_TRUNC) |
|
446 | 452 | /* Use O_EXCL to avoid a race condition when another process tries to |
|
447 | 453 | write the same file. When that happens, our open() call fails, |
|
448 | 454 | which is just fine (since it's only a cache). |
|
449 | 455 | XXX If the file exists and is writable but the directory is not |
|
450 | 456 | writable, the file will never be written. Oh well. |
|
451 | 457 | */ |
|
452 | 458 | QFile::remove(filename); |
|
453 | 459 | |
|
454 | 460 | int fd; |
|
455 | 461 | int flags = O_EXCL|O_CREAT|O_WRONLY|O_TRUNC; |
|
456 | 462 | #ifdef O_BINARY |
|
457 | 463 | flags |= O_BINARY; /* necessary for Windows */ |
|
458 | 464 | #endif |
|
459 | 465 | #ifdef WIN32 |
|
460 | 466 | fd = _wopen(filename.ucs2(), flags, 0666); |
|
461 | 467 | #else |
|
462 | 468 | fd = open(filename.local8Bit(), flags, 0666); |
|
463 | 469 | #endif |
|
464 | 470 | if (fd < 0) |
|
465 | 471 | return NULL; |
|
466 | 472 | return fdopen(fd, "wb"); |
|
467 | 473 | #else |
|
468 | 474 | /* Best we can do -- on Windows this can't happen anyway */ |
|
469 | 475 | return fopen(filename.toLocal8Bit().constData(), "wb"); |
|
470 | 476 | #endif |
|
471 | 477 | } |
|
472 | 478 | |
|
473 | 479 | |
|
474 | 480 | void PythonQtImport::writeCompiledModule(PyCodeObject *co, const QString& filename, long mtime) |
|
475 | 481 | { |
|
476 | 482 | FILE *fp; |
|
477 | 483 | // we do not want to write Qt resources to disk, do we? |
|
478 | 484 | if (filename.startsWith(":")) { |
|
479 | 485 | return; |
|
480 | 486 | } |
|
481 | 487 | fp = open_exclusive(filename); |
|
482 | 488 | if (fp == NULL) { |
|
483 | 489 | if (Py_VerboseFlag) |
|
484 | 490 | PySys_WriteStderr( |
|
485 | 491 | "# can't create %s\n", filename.toLatin1().constData()); |
|
486 | 492 | return; |
|
487 | 493 | } |
|
488 | 494 | #if PY_VERSION_HEX < 0x02040000 |
|
489 | 495 | PyMarshal_WriteLongToFile(PyImport_GetMagicNumber(), fp); |
|
490 | 496 | #else |
|
491 | 497 | PyMarshal_WriteLongToFile(PyImport_GetMagicNumber(), fp, Py_MARSHAL_VERSION); |
|
492 | 498 | #endif |
|
493 | 499 | /* First write a 0 for mtime */ |
|
494 | 500 | #if PY_VERSION_HEX < 0x02040000 |
|
495 | 501 | PyMarshal_WriteLongToFile(0L, fp); |
|
496 | 502 | #else |
|
497 | 503 | PyMarshal_WriteLongToFile(0L, fp, Py_MARSHAL_VERSION); |
|
498 | 504 | #endif |
|
499 | 505 | #if PY_VERSION_HEX < 0x02040000 |
|
500 | 506 | PyMarshal_WriteObjectToFile((PyObject *)co, fp); |
|
501 | 507 | #else |
|
502 | 508 | PyMarshal_WriteObjectToFile((PyObject *)co, fp, Py_MARSHAL_VERSION); |
|
503 | 509 | #endif |
|
504 | 510 | if (ferror(fp)) { |
|
505 | 511 | if (Py_VerboseFlag) |
|
506 | 512 | PySys_WriteStderr("# can't write %s\n", filename.toLatin1().constData()); |
|
507 | 513 | /* Don't keep partial file */ |
|
508 | 514 | fclose(fp); |
|
509 | 515 | QFile::remove(filename); |
|
510 | 516 | return; |
|
511 | 517 | } |
|
512 | 518 | /* Now write the true mtime */ |
|
513 | 519 | fseek(fp, 4L, 0); |
|
514 | 520 | #if PY_VERSION_HEX < 0x02040000 |
|
515 | 521 | PyMarshal_WriteLongToFile(mtime, fp); |
|
516 | 522 | #else |
|
517 | 523 | PyMarshal_WriteLongToFile(mtime, fp, Py_MARSHAL_VERSION); |
|
518 | 524 | #endif |
|
519 | 525 | fflush(fp); |
|
520 | 526 | fclose(fp); |
|
521 | 527 | if (Py_VerboseFlag) |
|
522 | 528 | PySys_WriteStderr("# wrote %s\n", filename.toLatin1().constData()); |
|
523 | 529 | //#ifdef macintosh |
|
524 | 530 | // PyMac_setfiletype(cpathname, 'Pyth', 'PYC '); |
|
525 | 531 | //#endif |
|
526 | 532 | } |
|
527 | 533 | |
|
528 | 534 | /* Given the contents of a .py[co] file in a buffer, unmarshal the data |
|
529 | 535 | and return the code object. Return None if it the magic word doesn't |
|
530 | 536 | match (we do this instead of raising an exception as we fall back |
|
531 | 537 | to .py if available and we don't want to mask other errors). |
|
532 | 538 | Returns a new reference. */ |
|
533 | 539 | PyObject * |
|
534 | 540 | PythonQtImport::unmarshalCode(const QString& path, const QByteArray& data, time_t mtime) |
|
535 | 541 | { |
|
536 | 542 | PyObject *code; |
|
537 | 543 | // ugly cast, but Python API is not const safe |
|
538 | 544 | char *buf = (char*) data.constData(); |
|
539 | 545 | int size = data.size(); |
|
540 | 546 | |
|
541 | 547 | if (size <= 9) { |
|
542 | 548 | PySys_WriteStderr("# %s has bad pyc data\n", |
|
543 | 549 | path.toLatin1().constData()); |
|
544 | 550 | Py_INCREF(Py_None); |
|
545 | 551 | return Py_None; |
|
546 | 552 | } |
|
547 | 553 | |
|
548 | 554 | if (getLong((unsigned char *)buf) != PyImport_GetMagicNumber()) { |
|
549 | 555 | if (Py_VerboseFlag) |
|
550 | 556 | PySys_WriteStderr("# %s has bad magic\n", |
|
551 | 557 | path.toLatin1().constData()); |
|
552 | 558 | Py_INCREF(Py_None); |
|
553 | 559 | return Py_None; |
|
554 | 560 | } |
|
555 | 561 | |
|
556 | 562 | if (mtime != 0 && !(getLong((unsigned char *)buf + 4) == mtime)) { |
|
557 | 563 | if (Py_VerboseFlag) |
|
558 | 564 | PySys_WriteStderr("# %s has bad mtime\n", |
|
559 | 565 | path.toLatin1().constData()); |
|
560 | 566 | Py_INCREF(Py_None); |
|
561 | 567 | return Py_None; |
|
562 | 568 | } |
|
563 | 569 | |
|
564 | 570 | code = PyMarshal_ReadObjectFromString(buf + 8, size - 8); |
|
565 | 571 | if (code == NULL) |
|
566 | 572 | return NULL; |
|
567 | 573 | if (!PyCode_Check(code)) { |
|
568 | 574 | Py_DECREF(code); |
|
569 | 575 | PyErr_Format(PyExc_TypeError, |
|
570 | 576 | "compiled module %.200s is not a code object", |
|
571 | 577 | path.toLatin1().constData()); |
|
572 | 578 | return NULL; |
|
573 | 579 | } |
|
574 | 580 | return code; |
|
575 | 581 | } |
|
576 | 582 | |
|
577 | 583 | |
|
578 | 584 | /* Given a string buffer containing Python source code, compile it |
|
579 | 585 | return and return a code object as a new reference. */ |
|
580 | 586 | PyObject * |
|
581 | 587 | PythonQtImport::compileSource(const QString& path, const QByteArray& data) |
|
582 | 588 | { |
|
583 | 589 | PyObject *code; |
|
584 | 590 | QByteArray data1 = data; |
|
585 | 591 | // in qt4, data is null terminated |
|
586 | 592 | // data1.resize(data.size()+1); |
|
587 | 593 | // data1.data()[data.size()-1] = 0; |
|
588 | 594 | code = Py_CompileString(data.data(), path.toLatin1().constData(), |
|
589 | 595 | Py_file_input); |
|
590 | 596 | return code; |
|
591 | 597 | } |
|
592 | 598 | |
|
593 | 599 | |
|
594 | 600 | /* Return the code object for the module named by 'fullname' from the |
|
595 | 601 | Zip archive as a new reference. */ |
|
596 | 602 | PyObject * |
|
597 | 603 | PythonQtImport::getCodeFromData(const QString& path, int isbytecode,int /*ispackage*/, time_t mtime) |
|
598 | 604 | { |
|
599 | 605 | PyObject *code; |
|
600 | 606 | |
|
601 | 607 | QByteArray qdata; |
|
602 | 608 | if (!isbytecode) { |
|
603 | 609 | // mlabDebugConst("MLABPython", "reading source " << path); |
|
604 | 610 | bool ok; |
|
605 | 611 | qdata = PythonQt::importInterface()->readSourceFile(path, ok); |
|
606 | 612 | if (!ok) { |
|
607 | 613 | // mlabErrorConst("PythonQtImporter","File could not be verified" << path); |
|
608 | 614 | return NULL; |
|
609 | 615 | } |
|
610 | 616 | if (qdata == " ") { |
|
611 | 617 | qdata.clear(); |
|
612 | 618 | } |
|
613 | 619 | } else { |
|
614 | 620 | qdata = PythonQt::importInterface()->readFileAsBytes(path); |
|
615 | 621 | } |
|
616 | 622 | |
|
617 | 623 | if (isbytecode) { |
|
618 | 624 | // mlabDebugConst("MLABPython", "reading bytecode " << path); |
|
619 | 625 | code = unmarshalCode(path, qdata, mtime); |
|
620 | 626 | } |
|
621 | 627 | else { |
|
622 | 628 | // mlabDebugConst("MLABPython", "compiling source " << path); |
|
623 | 629 | code = compileSource(path, qdata); |
|
624 | 630 | if (code) { |
|
625 | 631 | // save a pyc file if possible |
|
626 | 632 | QDateTime time; |
|
627 | 633 | time = PythonQt::importInterface()->lastModifiedDate(path); |
|
628 | 634 | writeCompiledModule((PyCodeObject*)code, path+"c", time.toTime_t()); |
|
629 | 635 | } |
|
630 | 636 | } |
|
631 | 637 | return code; |
|
632 | 638 | } |
|
633 | 639 | |
|
634 | 640 | time_t |
|
635 | 641 | PythonQtImport::getMTimeOfSource(const QString& path) |
|
636 | 642 | { |
|
637 | 643 | time_t mtime = 0; |
|
638 | 644 | QString path2 = path; |
|
639 | 645 | path2.truncate(path.length()-1); |
|
640 | 646 | |
|
641 | 647 | if (PythonQt::importInterface()->exists(path2)) { |
|
642 | 648 | mtime = PythonQt::importInterface()->lastModifiedDate(path2).toTime_t(); |
|
643 | 649 | } |
|
644 | 650 | |
|
645 | 651 | return mtime; |
|
646 | 652 | } |
|
647 | 653 | |
|
648 | 654 | /* Get the code object associated with the module specified by |
|
649 | 655 | 'fullname'. */ |
|
650 | 656 | PyObject * |
|
651 |
PythonQtImport::getModuleCode(PythonQtImporter *self, char |
|
|
652 | int *p_ispackage, QString& modpath) | |
|
657 | PythonQtImport::getModuleCode(PythonQtImporter *self, const char* fullname, QString& modpath) | |
|
653 | 658 | { |
|
654 | 659 | QString subname; |
|
655 | 660 | struct st_mlab_searchorder *zso; |
|
656 | 661 | |
|
657 | 662 | subname = getSubName(fullname); |
|
658 | 663 | QString path = *self->_path + "/" + subname; |
|
659 | 664 | |
|
660 | 665 | QString test; |
|
661 | 666 | for (zso = mlab_searchorder; *zso->suffix; zso++) { |
|
662 | 667 | PyObject *code = NULL; |
|
663 | 668 | test = path + zso->suffix; |
|
664 | 669 | |
|
665 | 670 | if (Py_VerboseFlag > 1) |
|
666 | 671 | PySys_WriteStderr("# trying %s\n", |
|
667 | 672 | test.toLatin1().constData()); |
|
668 | 673 | if (PythonQt::importInterface()->exists(test)) { |
|
669 | 674 | time_t mtime = 0; |
|
670 | 675 | int ispackage = zso->type & IS_PACKAGE; |
|
671 | 676 | int isbytecode = zso->type & IS_BYTECODE; |
|
672 | 677 | |
|
673 | if (isbytecode) | |
|
678 | if (isbytecode) { | |
|
674 | 679 | mtime = getMTimeOfSource(test); |
|
675 | if (p_ispackage != NULL) | |
|
676 | *p_ispackage = ispackage; | |
|
680 | } | |
|
677 | 681 | code = getCodeFromData(test, isbytecode, ispackage, mtime); |
|
678 | 682 | if (code == Py_None) { |
|
679 | 683 | Py_DECREF(code); |
|
680 | 684 | continue; |
|
681 | 685 | } |
|
682 | if (code != NULL) | |
|
686 | if (code != NULL) { | |
|
683 | 687 | modpath = test; |
|
688 | } | |
|
684 | 689 | return code; |
|
685 | 690 | } |
|
686 | 691 | } |
|
687 | 692 | PyErr_Format(PythonQtImportError, "can't find module '%.200s'", fullname); |
|
688 | 693 | |
|
689 | 694 | return NULL; |
|
690 | 695 | } |
|
691 | 696 | |
|
692 | 697 | QString PythonQtImport::replaceExtension(const QString& str, const QString& ext) |
|
693 | 698 | { |
|
694 | 699 | QString r; |
|
695 | 700 | int i = str.lastIndexOf('.'); |
|
696 | 701 | if (i!=-1) { |
|
697 | 702 | r = str.mid(0,i) + "." + ext; |
|
698 | 703 | } else { |
|
699 | 704 | r = str + "." + ext; |
|
700 | 705 | } |
|
701 | 706 | return r; |
|
702 | 707 | } |
|
703 | 708 | |
|
704 | 709 | PyObject* PythonQtImport::getCodeFromPyc(const QString& file) |
|
705 | 710 | { |
|
706 | 711 | PyObject* code; |
|
707 | 712 | const static QString pycStr("pyc"); |
|
708 | 713 | QString pyc = replaceExtension(file, pycStr); |
|
709 | 714 | if (PythonQt::importInterface()->exists(pyc)) { |
|
710 | 715 | time_t mtime = 0; |
|
711 | 716 | mtime = getMTimeOfSource(pyc); |
|
712 | 717 | code = getCodeFromData(pyc, true, false, mtime); |
|
713 | 718 | if (code != Py_None && code != NULL) { |
|
714 | 719 | return code; |
|
715 | 720 | } |
|
716 | 721 | if (code) { |
|
717 | 722 | Py_DECREF(code); |
|
718 | 723 | } |
|
719 | 724 | } |
|
720 | 725 | code = getCodeFromData(file,false,false,0); |
|
721 | 726 | return code; |
|
722 | 727 | } |
|
723 | 728 | |
|
724 | 729 | /* Module init */ |
|
725 | 730 | |
|
726 | 731 | PyDoc_STRVAR(mlabimport_doc, |
|
727 | 732 | "Imports python files into PythonQt, completely replaces internal python import"); |
|
728 | 733 | |
|
729 | 734 | void PythonQtImport::init() |
|
730 | 735 | { |
|
731 | 736 | static bool first = true; |
|
732 | 737 | if (!first) { |
|
733 | 738 | return; |
|
734 | 739 | } |
|
735 | 740 | first = false; |
|
736 | 741 | |
|
737 | 742 | PyObject *mod; |
|
738 | 743 | |
|
739 | 744 | if (PyType_Ready(&PythonQtImporter_Type) < 0) |
|
740 | 745 | return; |
|
741 | 746 | |
|
742 | 747 | /* Correct directory separator */ |
|
743 | 748 | mlab_searchorder[0].suffix[0] = SEP; |
|
744 | 749 | mlab_searchorder[1].suffix[0] = SEP; |
|
745 | 750 | mlab_searchorder[2].suffix[0] = SEP; |
|
746 | 751 | if (Py_OptimizeFlag) { |
|
747 | 752 | /* Reverse *.pyc and *.pyo */ |
|
748 | 753 | struct st_mlab_searchorder tmp; |
|
749 | 754 | tmp = mlab_searchorder[0]; |
|
750 | 755 | mlab_searchorder[0] = mlab_searchorder[1]; |
|
751 | 756 | mlab_searchorder[1] = tmp; |
|
752 | 757 | tmp = mlab_searchorder[3]; |
|
753 | 758 | mlab_searchorder[3] = mlab_searchorder[4]; |
|
754 | 759 | mlab_searchorder[4] = tmp; |
|
755 | 760 | } |
|
756 | 761 | |
|
757 | 762 | mod = Py_InitModule4("PythonQtImport", NULL, mlabimport_doc, |
|
758 | 763 | NULL, PYTHON_API_VERSION); |
|
759 | 764 | |
|
760 | 765 | PythonQtImportError = PyErr_NewException("PythonQtImport.PythonQtImportError", |
|
761 | 766 | PyExc_ImportError, NULL); |
|
762 | 767 | if (PythonQtImportError == NULL) |
|
763 | 768 | return; |
|
764 | 769 | |
|
765 | 770 | Py_INCREF(PythonQtImportError); |
|
766 | 771 | if (PyModule_AddObject(mod, "PythonQtImportError", |
|
767 | 772 | PythonQtImportError) < 0) |
|
768 | 773 | return; |
|
769 | 774 | |
|
770 | 775 | Py_INCREF(&PythonQtImporter_Type); |
|
771 | 776 | if (PyModule_AddObject(mod, "PythonQtImporter", |
|
772 | 777 | (PyObject *)&PythonQtImporter_Type) < 0) |
|
773 | 778 | return; |
|
774 | 779 | |
|
775 | 780 | // set our importer into the path_hooks to handle all path on sys.path |
|
776 | 781 | PyObject* classobj = PyDict_GetItemString(PyModule_GetDict(mod), "PythonQtImporter"); |
|
777 | 782 | PyObject* path_hooks = PySys_GetObject("path_hooks"); |
|
778 | 783 | PyList_Append(path_hooks, classobj); |
|
779 | 784 | |
|
780 | 785 | #ifndef WIN32 |
|
781 | 786 | // reload the encodings module, because it might fail to custom import requirements (e.g. encryption). |
|
782 | 787 | PyObject* modules = PyImport_GetModuleDict(); |
|
783 | 788 | PyObject* encodingsModule = PyDict_GetItemString(modules, "encodings"); |
|
784 | 789 | if (encodingsModule != NULL) { |
|
785 | 790 | PyImport_ReloadModule(encodingsModule); |
|
786 | 791 | } |
|
787 | 792 | #endif |
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788 | 793 | } |
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1 | 1 | #ifndef _PYTHONQTIMPORTER_ |
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2 | 2 | #define _PYTHONQTIMPORTER_ |
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3 | 3 | |
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4 | 4 | /* |
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5 | 5 | * |
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6 | 6 | * Copyright (C) 2006 MeVis Research GmbH All Rights Reserved. |
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7 | 7 | * |
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8 | 8 | * This library is free software; you can redistribute it and/or |
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9 | 9 | * modify it under the terms of the GNU Lesser General Public |
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10 | 10 | * License as published by the Free Software Foundation; either |
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11 | 11 | * version 2.1 of the License, or (at your option) any later version. |
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12 | 12 | * |
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13 | 13 | * This library is distributed in the hope that it will be useful, |
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14 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | 16 | * Lesser General Public License for more details. |
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17 | 17 | * |
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18 | 18 | * Further, this software is distributed without any warranty that it is |
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19 | 19 | * free of the rightful claim of any third person regarding infringement |
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20 | 20 | * or the like. Any license provided herein, whether implied or |
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21 | 21 | * otherwise, applies only to this software file. Patent licenses, if |
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22 | 22 | * any, provided herein do not apply to combinations of this program with |
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23 | 23 | * other software, or any other product whatsoever. |
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24 | 24 | * |
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25 | 25 | * You should have received a copy of the GNU Lesser General Public |
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26 | 26 | * License along with this library; if not, write to the Free Software |
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27 | 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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28 | 28 | * |
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29 | 29 | * Contact information: MeVis Research GmbH, Universitaetsallee 29, |
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30 | 30 | * 28359 Bremen, Germany or: |
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31 | 31 | * |
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32 | 32 | * http://www.mevis.de |
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33 | 33 | * |
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34 | 34 | */ |
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35 | 35 | |
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36 | 36 | //---------------------------------------------------------------------------------- |
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37 | 37 | /*! |
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38 | 38 | // \file PythonQtImporter.h |
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39 | 39 | // \author Florian Link |
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40 | 40 | // \author Last changed by $Author: stk $ |
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41 | 41 | // \date 2004-06 |
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42 | 42 | */ |
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43 | 43 | //---------------------------------------------------------------------------------- |
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44 | 44 | |
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45 | 45 | #include "Python.h" |
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46 | 46 | #include "structmember.h" |
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47 | 47 | #include "osdefs.h" |
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48 | 48 | #include "marshal.h" |
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49 | 49 | #include "compile.h" |
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50 | 50 | #include <time.h> |
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51 | 51 | |
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52 | 52 | #include <qobject.h> |
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53 | 53 | #include <qstring.h> |
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54 | 54 | |
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55 | 55 | |
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56 | 56 | //! defines a python object that stores a Qt slot info |
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57 | 57 | typedef struct _PythonQtImporter { |
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58 | 58 | PyObject_HEAD |
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59 | 59 | QString* _path; |
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60 | 60 | } PythonQtImporter; |
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61 | 61 | |
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62 | 62 | |
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63 | 63 | //! implements importing of python files into PythonQt |
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64 | 64 | /*! also compiles/marshalls/unmarshalls py/pyc files and handles time stamps correctly |
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65 | 65 | */ |
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66 | 66 | class PythonQtImport |
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67 | 67 | { |
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68 | 68 | public: |
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69 | enum module_info { | |
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70 | MI_ERROR, | |
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71 |
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72 |
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73 |
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74 |
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69 | ||
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70 | enum ModuleType { | |
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71 | MI_NOT_FOUND, | |
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72 | MI_MODULE, | |
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73 | MI_PACKAGE, | |
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74 | MI_SHAREDLIBRARY | |
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75 | }; | |
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76 | ||
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77 | struct ModuleInfo { | |
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78 | ModuleInfo() { | |
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79 | type = MI_NOT_FOUND; | |
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80 | } | |
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81 | QString fullPath; //!< the full path to the found file | |
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82 | QString moduleName; //!< the module name without the package prefix | |
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83 | ModuleType type; | |
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75 | 84 | }; |
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76 | 85 | |
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77 | 86 | //! initialize |
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78 | 87 | static void init(); |
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79 | 88 | |
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80 | 89 | //! writes the python code to disk, marshalling and writing the time stamp |
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81 | 90 | static void writeCompiledModule(PyCodeObject *co, const QString& filename, long mtime); |
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82 | 91 | |
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83 | 92 | /*! Given the contents of a .py[co] file in a buffer, unmarshal the data |
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84 | 93 | and return the code object. Return None if it the magic word doesn't |
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85 | 94 | match (we do this instead of raising an exception as we fall back |
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86 | 95 | to .py if available and we don't want to mask other errors). |
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87 | 96 | Returns a new reference. */ |
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88 | 97 | static PyObject *unmarshalCode(const QString& path, const QByteArray& data, time_t mtime); |
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89 | 98 | |
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90 | 99 | //! Given a string buffer containing Python source code, compile it |
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91 | 100 | //! return and return a code object as a new reference. |
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92 | 101 | static PyObject *compileSource(const QString& path, const QByteArray& data); |
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93 | 102 | |
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94 | 103 | //! Return the code object for the module named by 'fullname' from the |
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95 | 104 | //! Zip archive as a new reference. |
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96 | 105 | static PyObject *getCodeFromData(const QString& path, int isbytecode = 0, int ispackage = 0, |
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97 | 106 | time_t mtime = 0); |
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98 | 107 | |
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99 | 108 | //! Get the code object associated with the module specified by |
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100 | 109 | //! 'fullname'. |
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101 |
static PyObject * getModuleCode(PythonQtImporter *self, |
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102 |
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110 | static PyObject * getModuleCode(PythonQtImporter *self, | |
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111 | const char* fullname, QString& modpath); | |
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103 | 112 | |
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104 | 113 | |
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105 | 114 | //! gets the compiled code for the given *.py file if there is a valid pyc file, otherwise compiles the file and writes the pyc |
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106 | 115 | static PyObject* getCodeFromPyc(const QString& file); |
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107 | 116 | |
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108 | 117 | //! Return if module exists and is a package or a module |
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109 |
static |
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118 | static ModuleInfo getModuleInfo(PythonQtImporter* self, const QString& fullname); | |
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110 | 119 | |
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111 | 120 | //! get the last name of a dot chain (first.second.last) |
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112 | 121 | static QString getSubName(const QString& str); |
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113 | 122 | |
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114 | 123 | //! Given a buffer, return the long that is represented by the first |
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115 | 124 | //! 4 bytes, encoded as little endian. This partially reimplements |
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116 | 125 | //! marshal.c:r_long() |
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117 | 126 | static long getLong(unsigned char *buf); |
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118 | 127 | |
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119 | 128 | //! get time stamp of file |
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120 | 129 | static time_t getMTimeOfSource(const QString& path); |
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121 | 130 | |
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122 | 131 | //! replace extension of file |
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123 | 132 | static QString replaceExtension(const QString& str, const QString& ext); |
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124 | 133 | |
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125 | 134 | }; |
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126 | 135 | |
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127 | 136 | #endif |
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128 | 137 |
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