| 1 | import os, sys, platform
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| 2 | import subprocess
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| 3 | import shutil
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| 4 | from distutils.command import build_ext
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| 5 |
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| 6 | class scons_ext(build_ext.build_ext):
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| 7 | """Build extensions using scons instead of distutils.
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| 8 | """
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| 9 | _scons_options = []
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| 10 | user_options = \
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| 11 | [('casacoreroot=', None,
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| 12 | 'Prefix for casacore installation location'),
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| 13 | ('boostroot=', None,
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| 14 | 'Prefix for boost_python installation location'),
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| 15 | ('boostlib=', None, 'Name of the boost_python library'),
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| 16 | ('cfitsioroot=', None,
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| 17 | 'Prefix for cfitsio installation location'),
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| 18 | ('cfitsiolib=', None, 'Name of the cfitsio library'),
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| 19 | ('wcsroot=', None, 'Prefix for wcslib installation location'),
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| 20 | ('wcslib=', None, 'Name of the wcs library'),
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| 21 | ('rpfitsroot=', None, 'Prefix for rpfits installation location'),
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| 22 | ('rpfitslib=', None, 'Name of the rpfits library'),
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| 23 | ('blaslib=', None, 'Name of the blas library'),
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| 24 | ('lapacklib=', None, 'Name of the lapack library'),
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| 25 | ('f2clib=', None, 'Name of the fortran-to-c library'),
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| 26 | ('jobs=','j', 'Number of processes'),
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| 27 | ('extraroot=', None,
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| 28 | 'Extra root directory where muiltple packages could be found,'
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| 29 | ' e.g. $HOME, to add $HOME/lib etc to the build.'),
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| 30 | ]
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| 31 |
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| 32 |
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| 33 | def initialize_options(self):
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| 34 | """
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| 35 | Overload to enable custom settings to be picked up
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| 36 | """
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| 37 | build_ext.build_ext.initialize_options(self)
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| 38 | self._scons_options = []
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| 39 | # attribute corresponding to directory prefix
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| 40 | # command line option
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| 41 | self.jobs = None
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| 42 | self.extraroot = None
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| 43 | self.casacoreroot = None
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| 44 | self.boostroot = None
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| 45 | self.boostlib = None
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| 46 | self.cfitsioroot = None
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| 47 | self.cfitsiolib = None
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| 48 | self.wcsroot = None
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| 49 | self.wcslib = None
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| 50 | self.rpfitsroot = None
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| 51 | self.rpfitslib = None
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| 52 | self.blaslib = None
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| 53 | self.lapacklib = None
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| 54 | self.f2clib = None
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| 55 |
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| 56 | def finalize_options(self):
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| 57 | build_ext.build_ext.finalize_options(self)
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| 58 | for opt in self.user_options:
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| 59 | atr = opt[0].strip("=")
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| 60 | v = getattr(self, atr)
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| 61 | if v is not None:
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| 62 | if opt[1] is None:
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| 63 | self._scons_options.append("=".join([atr, v]))
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| 64 | else:
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| 65 | self._scons_options.append(" ".join(["-"+opt[1], v]))
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| 66 |
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| 67 | def build_extensions(self):
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| 68 | ext = self.extensions[0]
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| 69 | try:
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| 70 | ext_path = self.get_ext_fullpath(ext.name)
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| 71 | extdir = os.path.dirname(ext_path)
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| 72 | except AttributeError:
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| 73 | # hack for pyhton 2.5
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| 74 | extdir = os.path.join(self.build_lib, ext.name.split(".")[0])
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| 75 | if not os.path.exists(extdir):
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| 76 | os.makedirs(extdir)
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| 77 | cmd = ['scons'] + self._scons_options
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| 78 | subprocess.call(cmd)
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| 79 | # copy extension into distutils build directory
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| 80 | if os.path.exists("build/_asap.so"):
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| 81 | shutil.copy("build/_asap.so", extdir)
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