Mercurial > repos > shellac > guppy_basecaller
comparison env/lib/python3.7/site-packages/setuptools/extension.py @ 0:26e78fe6e8c4 draft
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
| author | shellac |
|---|---|
| date | Sat, 02 May 2020 07:14:21 -0400 |
| parents | |
| children |
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| -1:000000000000 | 0:26e78fe6e8c4 |
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| 1 import re | |
| 2 import functools | |
| 3 import distutils.core | |
| 4 import distutils.errors | |
| 5 import distutils.extension | |
| 6 | |
| 7 from setuptools.extern.six.moves import map | |
| 8 | |
| 9 from .monkey import get_unpatched | |
| 10 | |
| 11 | |
| 12 def _have_cython(): | |
| 13 """ | |
| 14 Return True if Cython can be imported. | |
| 15 """ | |
| 16 cython_impl = 'Cython.Distutils.build_ext' | |
| 17 try: | |
| 18 # from (cython_impl) import build_ext | |
| 19 __import__(cython_impl, fromlist=['build_ext']).build_ext | |
| 20 return True | |
| 21 except Exception: | |
| 22 pass | |
| 23 return False | |
| 24 | |
| 25 | |
| 26 # for compatibility | |
| 27 have_pyrex = _have_cython | |
| 28 | |
| 29 _Extension = get_unpatched(distutils.core.Extension) | |
| 30 | |
| 31 | |
| 32 class Extension(_Extension): | |
| 33 """Extension that uses '.c' files in place of '.pyx' files""" | |
| 34 | |
| 35 def __init__(self, name, sources, *args, **kw): | |
| 36 # The *args is needed for compatibility as calls may use positional | |
| 37 # arguments. py_limited_api may be set only via keyword. | |
| 38 self.py_limited_api = kw.pop("py_limited_api", False) | |
| 39 _Extension.__init__(self, name, sources, *args, **kw) | |
| 40 | |
| 41 def _convert_pyx_sources_to_lang(self): | |
| 42 """ | |
| 43 Replace sources with .pyx extensions to sources with the target | |
| 44 language extension. This mechanism allows language authors to supply | |
| 45 pre-converted sources but to prefer the .pyx sources. | |
| 46 """ | |
| 47 if _have_cython(): | |
| 48 # the build has Cython, so allow it to compile the .pyx files | |
| 49 return | |
| 50 lang = self.language or '' | |
| 51 target_ext = '.cpp' if lang.lower() == 'c++' else '.c' | |
| 52 sub = functools.partial(re.sub, '.pyx$', target_ext) | |
| 53 self.sources = list(map(sub, self.sources)) | |
| 54 | |
| 55 | |
| 56 class Library(Extension): | |
| 57 """Just like a regular Extension, but built as a library instead""" |