1 | """compile.py - compile Python C-extension |
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2 | |
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3 | Commandline usage: |
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4 | python compile.py <filename> |
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5 | |
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6 | Usage from within Python: |
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7 | import compile |
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8 | compile.compile(<filename>,..) |
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9 | |
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10 | Ole Nielsen, Oct 2001 |
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11 | """ |
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12 | |
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13 | |
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14 | def compile(FNs=None, CC=None, LD = None, SFLAG = None, verbose = 1): |
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15 | """compile(FNs=None, CC=None, LD = None, SFLAG = None): |
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16 | |
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17 | Compile FN(s) using compiler CC (e.g. mpicc), |
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18 | Loader LD and shared flag SFLAG. |
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19 | If CC is absent use default compiler dependent on platform |
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20 | if LD is absent CC is used. |
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21 | if SFLAG is absent platform default is used |
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22 | FNs can be either one filename or a list of filenames |
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23 | In the latter case, the first will be used to name so file. |
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24 | """ |
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25 | |
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26 | |
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27 | ###########################jhdsgfjgdjfg |
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28 | |
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29 | import os, string, sys, types |
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30 | from os import sep |
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31 | |
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32 | # Input check |
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33 | # |
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34 | assert not FNs is None, "No filename provided" |
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35 | |
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36 | if not type(FNs) == types.ListType: |
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37 | FNs = [FNs] |
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38 | |
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39 | |
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40 | libext = 'so' #Default extension (Unix) |
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41 | libs = '' |
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42 | version = sys.version[:3] |
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43 | |
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44 | # Determine platform and compiler |
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45 | # |
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46 | if sys.platform == 'sunos5': #Solaris |
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47 | if CC: |
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48 | compiler = CC |
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49 | else: |
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50 | compiler = 'gcc' |
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51 | if LD: |
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52 | loader = LD |
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53 | else: |
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54 | loader = compiler |
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55 | if SFLAG: |
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56 | sharedflag = SFLAG |
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57 | else: |
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58 | sharedflag = 'G' |
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59 | |
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60 | elif sys.platform == 'osf1V5': #Compaq AlphaServer |
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61 | if CC: |
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62 | compiler = CC |
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63 | else: |
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64 | compiler = 'cc' |
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65 | if LD: |
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66 | loader = LD |
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67 | else: |
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68 | loader = compiler |
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69 | if SFLAG: |
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70 | sharedflag = SFLAG |
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71 | else: |
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72 | sharedflag = 'shared' |
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73 | |
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74 | elif sys.platform == 'linux2': #Linux |
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75 | if CC: |
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76 | compiler = CC |
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77 | else: |
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78 | compiler = 'gcc' |
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79 | if LD: |
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80 | loader = LD |
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81 | else: |
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82 | loader = compiler |
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83 | if SFLAG: |
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84 | sharedflag = SFLAG |
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85 | else: |
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86 | sharedflag = 'shared' |
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87 | |
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88 | elif sys.platform == 'darwin': #Mac OS X: |
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89 | if CC: |
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90 | compiler = CC |
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91 | else: |
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92 | compiler = 'cc' |
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93 | if LD: |
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94 | loader = LD |
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95 | else: |
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96 | loader = compiler |
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97 | if SFLAG: |
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98 | sharedflag = SFLAG |
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99 | else: |
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100 | sharedflag = 'bundle -flat_namespace -undefined suppress' |
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101 | |
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102 | elif sys.platform == 'cygwin': #Cygwin (compilation same as linux) |
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103 | if CC: |
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104 | compiler = CC |
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105 | else: |
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106 | compiler = 'gcc' |
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107 | if LD: |
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108 | loader = LD |
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109 | else: |
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110 | loader = compiler |
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111 | if SFLAG: |
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112 | sharedflag = SFLAG |
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113 | else: |
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114 | sharedflag = 'shared' |
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115 | libext = 'dll' |
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116 | libs = '/lib/python%s/config/libpython%s.dll.a' %(version,version) |
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117 | |
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118 | elif sys.platform == 'win32': #Windows |
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119 | if CC: |
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120 | compiler = CC |
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121 | else: |
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122 | compiler = 'gcc' |
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123 | if LD: |
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124 | loader = LD |
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125 | else: |
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126 | loader = compiler |
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127 | if SFLAG: |
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128 | sharedflag = SFLAG |
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129 | else: |
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130 | sharedflag = 'shared' |
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131 | libext = 'dll' |
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132 | |
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133 | v = version.replace('.','') |
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134 | dllfilename = 'python%s.dll' %(v) |
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135 | libs = os.path.join(sys.exec_prefix,dllfilename) |
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136 | |
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137 | |
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138 | else: |
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139 | if verbose: print "Unrecognised platform %s - revert to default"\ |
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140 | %sys.platform |
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141 | |
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142 | if CC: |
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143 | compiler = CC |
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144 | else: |
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145 | compiler = 'cc' |
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146 | if LD: |
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147 | loader = LD |
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148 | else: |
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149 | loader = 'ld' |
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150 | if SFLAG: |
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151 | sharedflag = SFLAG |
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152 | else: |
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153 | sharedflag = 'G' |
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154 | |
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155 | |
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156 | # Find location of include files |
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157 | # |
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158 | if sys.platform == 'win32': #Windows |
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159 | python_include = os.path.join(sys.exec_prefix, 'include') |
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160 | else: |
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161 | python_include = os.path.join(os.path.join(sys.exec_prefix, 'include'), |
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162 | 'python' + version) |
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163 | |
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164 | # Check existence of Python.h |
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165 | # |
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166 | headerfile = python_include + sep + 'Python.h' |
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167 | try: |
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168 | open(headerfile, 'r') |
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169 | except: |
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170 | raise """Did not find Python header file %s. |
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171 | Make sure files for Python C-extensions are installed. |
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172 | In debian linux, for example, you need to install a |
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173 | package called something like python2.3-dev""" %headerfile |
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174 | |
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175 | |
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176 | # Add location of arrayobject.h |
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177 | arraypath = 'site-packages%snumpy%score%sinclude%snumpy' %((sep,)*4) |
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178 | if sys.platform == 'win32': #Windows |
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179 | array_include = os.path.join(sys.exec_prefix, 'lib' + sep + arraypath) |
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180 | else: |
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181 | array_include = os.path.join(sys.exec_prefix, |
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182 | 'lib' + sep + 'python' + version + |
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183 | sep + arraypath) |
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184 | |
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185 | |
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186 | # Check existence of arrayobject.h |
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187 | array_headerfile = array_include + os.sep + 'arrayobject.h' |
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188 | try: |
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189 | open(array_headerfile, 'r') |
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190 | except: |
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191 | raise """Did not find Numpy header file %s. Make sure files for Python C-extensions are installed. """ %array_headerfile |
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192 | |
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193 | |
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194 | |
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195 | #Add Python path + utilities to includelist (see ticket:31) |
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196 | #Assume there is only one utilities dir under path dirs |
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197 | |
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198 | utilities_include_dir = None |
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199 | for pathdir in sys.path: |
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200 | utilities_include_dir = pathdir + os.sep + 'utilities' |
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201 | |
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202 | try: |
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203 | os.stat(utilities_include_dir) |
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204 | except OSError: |
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205 | pass |
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206 | else: |
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207 | #print 'Found %s to be used as include dir' %utilities_include_dir |
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208 | break |
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209 | |
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210 | |
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211 | |
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212 | |
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213 | |
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214 | |
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215 | |
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216 | # Check filename(s) |
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217 | # |
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218 | object_files = '' |
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219 | for FN in FNs: |
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220 | root, ext = os.path.splitext(FN) |
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221 | if ext == '': |
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222 | FN = FN + '.c' |
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223 | elif ext.lower() != '.c': |
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224 | raise Exception, "Unrecognised extension: " + FN |
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225 | |
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226 | try: |
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227 | open(FN, 'r') |
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228 | except: |
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229 | #print 'CWD:', os.getcwd() |
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230 | raise Exception, "Could not open: " + FN |
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231 | |
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232 | if not object_files: root1 = root #Remember first filename |
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233 | object_files += root + '.o ' |
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234 | |
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235 | |
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236 | # Compile |
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237 | # |
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238 | if utilities_include_dir is None: |
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239 | s = '%s -c %s -I%s -o %s.o -Wall -O3'\ |
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240 | %(compiler, FN, python_include, root) |
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241 | else: |
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242 | s = '%s -c %s -I%s -I%s -I%s -o %s.o -Wall -O3'\ |
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243 | %(compiler, FN, python_include, utilities_include_dir, array_include, root) |
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244 | |
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245 | if os.name == 'posix' and os.uname()[4] == 'x86_64': |
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246 | #Extra flags for 64 bit architectures |
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247 | #Second clause will always fail on Win32 because uname is UNIX specific |
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248 | #but won't get past first clause |
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249 | |
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250 | #FIXME: Which one? |
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251 | #s += ' -fPIC' |
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252 | s += ' -fPIC -m64' |
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253 | |
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254 | |
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255 | if verbose: |
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256 | print s |
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257 | else: |
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258 | s = s + ' 2> /dev/null' #Suppress errors |
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259 | |
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260 | try: |
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261 | err = os.system(s) |
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262 | if err != 0: |
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263 | raise 'Attempting to compile %s failed - please try manually' %FN |
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264 | except: |
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265 | raise 'Could not compile %s - please try manually' %FN |
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266 | |
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267 | |
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268 | # Make shared library (*.so or *.dll) |
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269 | |
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270 | s = "%s -%s %s -o %s.%s %s -lm" %(loader, sharedflag, object_files, root1, libext, libs) |
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271 | if verbose: |
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272 | print s |
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273 | else: |
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274 | s = s + ' 2> /dev/null' #Suppress warnings |
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275 | |
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276 | try: |
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277 | err=os.system(s) |
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278 | if err != 0: |
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279 | raise 'Atempting to link %s failed - please try manually' %root1 |
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280 | except: |
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281 | raise 'Could not link %s - please try manually' %root1 |
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282 | |
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283 | |
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284 | def can_use_C_extension(filename): |
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285 | """Determine whether specified C-extension |
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286 | can and should be used. |
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287 | """ |
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288 | |
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289 | |
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290 | from os.path import splitext |
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291 | |
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292 | root, ext = splitext(filename) |
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293 | |
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294 | C=False |
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295 | |
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296 | try: |
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297 | s = 'import %s' %root |
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298 | #print s |
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299 | exec(s) |
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300 | except: |
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301 | try: |
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302 | open(filename) |
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303 | except: |
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304 | msg = 'C extension %s cannot be opened' %filename |
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305 | print msg |
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306 | else: |
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307 | print '------- Trying to compile c-extension %s' %filename |
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308 | |
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309 | #compile(filename) |
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310 | try: |
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311 | compile(filename) |
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312 | except: |
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313 | print 'WARNING: Could not compile C-extension %s'\ |
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314 | %filename |
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315 | else: |
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316 | try: |
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317 | exec('import %s' %root) |
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318 | except: |
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319 | msg = 'C extension %s seems to compile OK, ' |
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320 | msg += 'but it can still not be imported.' |
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321 | raise msg |
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322 | else: |
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323 | C=True |
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324 | else: |
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325 | C=True |
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326 | |
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327 | if not C: |
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328 | pass |
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329 | print 'NOTICE: C-extension %s not used' %filename |
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330 | |
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331 | return C |
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332 | |
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333 | |
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334 | |
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335 | |
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336 | if __name__ == '__main__': |
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337 | |
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338 | |
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339 | import sys, os |
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340 | from os.path import splitext |
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341 | |
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342 | if len(sys.argv) > 1: |
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343 | files = sys.argv[1:] |
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344 | for filename in files: |
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345 | root, ext = splitext(filename) |
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346 | |
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347 | if ext <> '.c': |
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348 | print 'WARNING (compile.py): Skipping %s. I only compile C-files.' %filename |
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349 | |
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350 | else: |
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351 | #path = os.path.split(sys.argv[0])[0] or os.getcwd() |
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352 | path = '.' |
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353 | files = os.listdir(path) |
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354 | |
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355 | |
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356 | |
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357 | for filename in files: |
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358 | root, ext = splitext(filename) |
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359 | |
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360 | if ext == '.c': |
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361 | for x in ['.dll', '.so']: |
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362 | try: |
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363 | os.remove(root + x) |
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364 | except: |
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365 | pass |
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366 | |
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367 | print '--------------------------------------' |
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368 | print 'Trying to compile c-extension %s in %s'\ |
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369 | %(filename, os.getcwd()) |
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370 | |
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371 | try: |
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372 | compile(filename) |
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373 | except Exception, e: |
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374 | print 'Could not compile C extension %s: %s' %(filename, e) |
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375 | else: |
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376 | print 'C extension %s OK' %filename |
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377 | print |
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378 | |
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379 | |
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