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https://github.com/python-pillow/Pillow.git
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Merge pull request #240 from mgorny/master
Support explicitly disabling features via --disable-* options
This commit is contained in:
Alex Clark ☺
commit
4aed8d64b7
164
setup.py
164
setup.py
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@ -94,6 +94,48 @@ LCMS_ROOT = None
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class pil_build_ext(build_ext):
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class feature:
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zlib = jpeg = tiff = freetype = tcl = tk = lcms = webp = None
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required = []
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def require(self, feat):
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return feat in self.required
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def want(self, feat):
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return getattr(self, feat) is None
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def __iter__(self):
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for x in dir(self):
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if x[1] != '_':
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yield x
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feature = feature()
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user_options = build_ext.user_options + [
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('disable-%s' % x, None, 'Disable support for %s' % x)
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for x in feature
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] + [
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('enable-%s' % x, None, 'Enable support for %s' % x)
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for x in feature
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]
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def initialize_options(self):
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build_ext.initialize_options(self)
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for x in self.feature:
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setattr(self, 'disable_%s' % x, None)
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setattr(self, 'enable_%s' % x, None)
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def finalize_options(self):
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build_ext.finalize_options(self)
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for x in self.feature:
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if getattr(self, 'disable_%s' % x):
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setattr(self.feature, x, False)
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if getattr(self, 'enable_%s' % x):
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raise ValueError(
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'Conflicting options: --enable-%s and --disable-%s'
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% (x, x))
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if getattr(self, 'enable_%s' % x):
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self.feature.required.append(x)
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def build_extensions(self):
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global TCL_ROOT
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@ -223,72 +265,84 @@ class pil_build_ext(build_ext):
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#
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# look for available libraries
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class feature:
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zlib = jpeg = tiff = freetype = tcl = tk = lcms = webp = None
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feature = feature()
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feature = self.feature
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if _find_include_file(self, "zlib.h"):
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if _find_library_file(self, "z"):
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feature.zlib = "z"
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elif sys.platform == "win32" and _find_library_file(self, "zlib"):
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feature.zlib = "zlib" # alternative name
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if feature.want('zlib'):
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if _find_include_file(self, "zlib.h"):
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if _find_library_file(self, "z"):
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feature.zlib = "z"
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elif sys.platform == "win32" and _find_library_file(self, "zlib"):
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feature.zlib = "zlib" # alternative name
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if _find_include_file(self, "jpeglib.h"):
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if _find_library_file(self, "jpeg"):
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feature.jpeg = "jpeg"
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elif (
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sys.platform == "win32" and
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_find_library_file(self, "libjpeg")):
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feature.jpeg = "libjpeg" # alternative name
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if feature.want('jpeg'):
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if _find_include_file(self, "jpeglib.h"):
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if _find_library_file(self, "jpeg"):
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feature.jpeg = "jpeg"
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elif (
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sys.platform == "win32" and
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_find_library_file(self, "libjpeg")):
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feature.jpeg = "libjpeg" # alternative name
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if _find_library_file(self, "tiff"):
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feature.tiff = "tiff"
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if sys.platform == "win32" and _find_library_file(self, "libtiff"):
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feature.tiff = "libtiff"
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if sys.platform == "darwin" and _find_library_file(self, "libtiff"):
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feature.tiff = "libtiff"
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if feature.want('tiff'):
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if _find_library_file(self, "tiff"):
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feature.tiff = "tiff"
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if sys.platform == "win32" and _find_library_file(self, "libtiff"):
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feature.tiff = "libtiff"
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if sys.platform == "darwin" and _find_library_file(self, "libtiff"):
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feature.tiff = "libtiff"
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if _find_library_file(self, "freetype"):
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# look for freetype2 include files
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freetype_version = 0
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for dir in self.compiler.include_dirs:
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if os.path.isfile(os.path.join(dir, "ft2build.h")):
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freetype_version = 21
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if feature.want('freetype'):
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if _find_library_file(self, "freetype"):
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# look for freetype2 include files
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freetype_version = 0
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for dir in self.compiler.include_dirs:
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if os.path.isfile(os.path.join(dir, "ft2build.h")):
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freetype_version = 21
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dir = os.path.join(dir, "freetype2")
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break
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dir = os.path.join(dir, "freetype2")
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break
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dir = os.path.join(dir, "freetype2")
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if os.path.isfile(os.path.join(dir, "ft2build.h")):
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freetype_version = 21
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break
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if os.path.isdir(os.path.join(dir, "freetype")):
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freetype_version = 20
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break
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if freetype_version:
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feature.freetype = "freetype"
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feature.freetype_version = freetype_version
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if dir:
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_add_directory(self.compiler.include_dirs, dir, 0)
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if os.path.isfile(os.path.join(dir, "ft2build.h")):
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freetype_version = 21
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break
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if os.path.isdir(os.path.join(dir, "freetype")):
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freetype_version = 20
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break
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if freetype_version:
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feature.freetype = "freetype"
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feature.freetype_version = freetype_version
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if dir:
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_add_directory(self.compiler.include_dirs, dir, 0)
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if _find_include_file(self, "lcms.h"):
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if _find_library_file(self, "lcms"):
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feature.lcms = "lcms"
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if feature.want('lcms'):
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if _find_include_file(self, "lcms.h"):
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if _find_library_file(self, "lcms"):
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feature.lcms = "lcms"
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if _tkinter and _find_include_file(self, "tk.h"):
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# the library names may vary somewhat (e.g. tcl84 or tcl8.4)
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version = TCL_VERSION[0] + TCL_VERSION[2]
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if _find_library_file(self, "tcl" + version):
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feature.tcl = "tcl" + version
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elif _find_library_file(self, "tcl" + TCL_VERSION):
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feature.tcl = "tcl" + TCL_VERSION
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if _find_library_file(self, "tk" + version):
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feature.tk = "tk" + version
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elif _find_library_file(self, "tk" + TCL_VERSION):
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feature.tk = "tk" + TCL_VERSION
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if feature.want('tcl'):
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if _find_library_file(self, "tcl" + version):
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feature.tcl = "tcl" + version
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elif _find_library_file(self, "tcl" + TCL_VERSION):
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feature.tcl = "tcl" + TCL_VERSION
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if feature.want('tk'):
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if _find_library_file(self, "tk" + version):
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feature.tk = "tk" + version
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elif _find_library_file(self, "tk" + TCL_VERSION):
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feature.tk = "tk" + TCL_VERSION
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if (_find_include_file(self, "webp/encode.h") and
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_find_include_file(self, "webp/decode.h")):
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if _find_library_file(self, "webp"): # in googles precompiled zip it is call "libwebp"
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feature.webp = "webp"
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if feature.want('webp'):
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if (_find_include_file(self, "webp/encode.h") and
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_find_include_file(self, "webp/decode.h")):
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if _find_library_file(self, "webp"): # in googles precompiled zip it is call "libwebp"
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feature.webp = "webp"
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for f in feature:
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if not getattr(feature, f) and feature.require(f):
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raise ValueError(
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'--enable-%s requested but %s not found, aborting.'
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% (f, f))
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#
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# core library
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