mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-10 19:56:47 +03:00
444 lines
15 KiB
Python
444 lines
15 KiB
Python
import os
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import platform
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import re
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import string
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import struct
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import sys
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from distutils.command.build_ext import build_ext
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from distutils import sysconfig
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from setuptools import Extension, setup
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_IMAGING = (
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"decode", "encode", "map", "display", "outline", "path",
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)
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_LIB_IMAGING = (
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"Access", "Antialias", "Bands", "BitDecode", "Blend", "Chops",
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"Convert", "ConvertYCbCr", "Copy", "Crc32", "Crop", "Dib", "Draw",
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"Effects", "EpsEncode", "File", "Fill", "Filter", "FliDecode",
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"Geometry", "GetBBox", "GifDecode", "GifEncode", "HexDecode",
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"Histo", "JpegDecode", "JpegEncode", "LzwDecode", "Matrix",
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"ModeFilter", "MspDecode", "Negative", "Offset", "Pack",
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"PackDecode", "Palette", "Paste", "Quant", "QuantHash",
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"QuantHeap", "PcdDecode", "PcxDecode", "PcxEncode", "Point",
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"RankFilter", "RawDecode", "RawEncode", "Storage", "SunRleDecode",
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"TgaRleDecode", "Unpack", "UnpackYCC", "UnsharpMask", "XbmDecode",
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"XbmEncode", "ZipDecode", "ZipEncode"
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)
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def _add_directory(path, dir, where=None):
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if dir and os.path.isdir(dir) and dir not in path:
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if where is None:
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path.append(dir)
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else:
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path.insert(where, dir)
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def _find_include_file(self, include):
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for directory in self.compiler.include_dirs:
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if os.path.isfile(os.path.join(directory, include)):
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return 1
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return 0
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def _find_library_file(self, library):
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return self.compiler.find_library_file(self.compiler.library_dirs, library)
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def _find_version(filename):
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for line in open(filename).readlines():
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m = re.search("VERSION\s*=\s*\"([^\"]+)\"", line)
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if m:
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return m.group(1)
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return None
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def _lib_include(root):
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# map root to (root/lib, root/include)
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return os.path.join(root, "lib"), os.path.join(root, "include")
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def _read(file):
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return open(file, 'rb').read()
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try:
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import _tkinter
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except ImportError:
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_tkinter = None
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NAME = 'pillow'
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VERSION = '1.3'
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TCL_ROOT = None
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JPEG_ROOT = None
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ZLIB_ROOT = None
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TIFF_ROOT = None
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FREETYPE_ROOT = None
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LCMS_ROOT = None
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class pil_build_ext(build_ext):
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def build_extensions(self):
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global TCL_ROOT
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library_dirs = []
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include_dirs = []
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_add_directory(include_dirs, "libImaging")
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#
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# add platform directories
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if sys.platform == "cygwin":
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# pythonX.Y.dll.a is in the /usr/lib/pythonX.Y/config directory
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_add_directory(library_dirs, os.path.join(
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"/usr/lib", "python%s" % sys.version[:3], "config"
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))
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elif sys.platform == "darwin":
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# attempt to make sure we pick freetype2 over other versions
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_add_directory(include_dirs, "/sw/include/freetype2")
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_add_directory(include_dirs, "/sw/lib/freetype2/include")
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# fink installation directories
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_add_directory(library_dirs, "/sw/lib")
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_add_directory(include_dirs, "/sw/include")
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# darwin ports installation directories
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_add_directory(library_dirs, "/opt/local/lib")
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_add_directory(include_dirs, "/opt/local/include")
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# freetype2 ships with X11
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_add_directory(library_dirs, "/usr/x11/lib")
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_add_directory(library_dirs, "/usr/x11/include")
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elif sys.platform == "linux2":
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if platform.processor() == "x86_64":
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_add_directory(library_dirs, "/lib64")
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_add_directory(library_dirs, "/usr/lib64")
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_add_directory(library_dirs, "/usr/local/lib")
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# FIXME: check /opt/stuff directories here?
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prefix = sysconfig.get_config_var("prefix")
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if prefix:
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_add_directory(library_dirs, os.path.join(prefix, "lib"))
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_add_directory(include_dirs, os.path.join(prefix, "include"))
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#
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# locate tkinter libraries
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if _tkinter:
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TCL_VERSION = _tkinter.TCL_VERSION[:3]
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if _tkinter and not TCL_ROOT:
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# we have Tkinter but the TCL_ROOT variable was not set;
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# try to locate appropriate Tcl/Tk libraries
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PYVERSION = sys.version[0] + sys.version[2]
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TCLVERSION = TCL_VERSION[0] + TCL_VERSION[2]
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roots = [
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# common installation directories, mostly for Windows
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# (for Unix-style platforms, we'll check in well-known
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# locations later)
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os.path.join("/py" + PYVERSION, "Tcl"),
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os.path.join("/python" + PYVERSION, "Tcl"),
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"/Tcl", "/Tcl" + TCLVERSION, "/Tcl" + TCL_VERSION,
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os.path.join(os.environ.get("ProgramFiles", ""), "Tcl"),
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]
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for TCL_ROOT in roots:
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TCL_ROOT = os.path.abspath(TCL_ROOT)
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if os.path.isfile(os.path.join(TCL_ROOT, "include", "tk.h")):
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# FIXME: use distutils logging (?)
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print "--- using Tcl/Tk libraries at", TCL_ROOT
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print "--- using Tcl/Tk version", TCL_VERSION
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TCL_ROOT = _lib_include(TCL_ROOT)
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break
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else:
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TCL_ROOT = None
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#
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# add configured kits
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for root in (TCL_ROOT, JPEG_ROOT, TCL_ROOT, TIFF_ROOT, ZLIB_ROOT,
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FREETYPE_ROOT, LCMS_ROOT):
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if isinstance(root, type(())):
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lib_root, include_root = root
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else:
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lib_root = include_root = root
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_add_directory(library_dirs, lib_root)
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_add_directory(include_dirs, include_root)
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#
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# add standard directories
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# look for tcl specific subdirectory (e.g debian)
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if _tkinter:
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tcl_dir = "/usr/include/tcl" + TCL_VERSION
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if os.path.isfile(os.path.join(tcl_dir, "tk.h")):
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_add_directory(include_dirs, tcl_dir)
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# standard locations
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_add_directory(library_dirs, "/usr/local/lib")
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_add_directory(include_dirs, "/usr/local/include")
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_add_directory(library_dirs, "/usr/lib")
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_add_directory(include_dirs, "/usr/include")
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#
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# insert new dirs *before* default libs, to avoid conflicts
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# between Python PYD stub libs and real libraries
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self.compiler.library_dirs = library_dirs + self.compiler.library_dirs
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self.compiler.include_dirs = include_dirs + self.compiler.include_dirs
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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 = None
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feature = 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 _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 sys.platform == "win32" and _find_library_file(self,
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"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 _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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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 _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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#
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# core library
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files = ["_imaging.c"]
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for file in _IMAGING:
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files.append(file + ".c")
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for file in _LIB_IMAGING:
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files.append(os.path.join("libImaging", file + ".c"))
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libs = []
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defs = []
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if feature.jpeg:
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libs.append(feature.jpeg)
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defs.append(("HAVE_LIBJPEG", None))
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if feature.zlib:
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libs.append(feature.zlib)
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defs.append(("HAVE_LIBZ", None))
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if sys.platform == "win32":
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libs.extend(["kernel32", "user32", "gdi32"])
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if struct.unpack("h", "\0\1")[0] == 1:
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defs.append(("WORDS_BIGENDIAN", None))
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exts = [(Extension(
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"_imaging", files, libraries=libs, define_macros=defs
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))]
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#
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# additional libraries
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if feature.freetype:
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defs = []
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if feature.freetype_version == 20:
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defs.append(("USE_FREETYPE_2_0", None))
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exts.append(Extension(
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"_imagingft", ["_imagingft.c"], libraries=["freetype"],
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define_macros=defs
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))
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if os.path.isfile("_imagingtiff.c") and feature.tiff:
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exts.append(Extension(
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"_imagingtiff", ["_imagingtiff.c"], libraries=["tiff"]
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))
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if os.path.isfile("_imagingcms.c") and feature.lcms:
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extra = []
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if sys.platform == "win32":
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extra.extend(["user32", "gdi32"])
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exts.append(Extension(
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"_imagingcms", ["_imagingcms.c"], libraries=["lcms"] + extra
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))
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if sys.platform == "darwin":
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# locate Tcl/Tk frameworks
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frameworks = []
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framework_roots = [
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"/Library/Frameworks",
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"/System/Library/Frameworks"
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]
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for root in framework_roots:
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if (os.path.exists(os.path.join(root, "Tcl.framework")) and
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os.path.exists(os.path.join(root, "Tk.framework"))):
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print "--- using frameworks at", root
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frameworks = ["-framework", "Tcl", "-framework", "Tk"]
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dir = os.path.join(root, "Tcl.framework", "Headers")
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_add_directory(self.compiler.include_dirs, dir, 0)
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dir = os.path.join(root, "Tk.framework", "Headers")
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_add_directory(self.compiler.include_dirs, dir, 1)
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break
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if frameworks:
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exts.append(Extension(
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"_imagingtk", ["_imagingtk.c", "Tk/tkImaging.c"],
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extra_compile_args=frameworks, extra_link_args=frameworks
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))
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feature.tcl = feature.tk = 1 # mark as present
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elif feature.tcl and feature.tk:
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exts.append(Extension(
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"_imagingtk", ["_imagingtk.c", "Tk/tkImaging.c"],
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libraries=[feature.tcl, feature.tk]
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))
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if os.path.isfile("_imagingmath.c"):
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exts.append(Extension("_imagingmath", ["_imagingmath.c"]))
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self.extensions[:] = exts
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build_ext.build_extensions(self)
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#
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# sanity and security checks
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unsafe_zlib = None
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if feature.zlib:
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unsafe_zlib = self.check_zlib_version(self.compiler.include_dirs)
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self.summary_report(feature, unsafe_zlib)
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def summary_report(self, feature, unsafe_zlib):
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print "-" * 68
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print "Pillow (PIL fork)", VERSION, "SETUP SUMMARY"
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print "-" * 68
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print "version ", VERSION
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v = string.split(sys.version, "[")
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print "platform ", sys.platform, string.strip(v[0])
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for v in v[1:]:
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print " ", string.strip("[" + v)
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print "-" * 68
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options = [
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(feature.tcl and feature.tk, "TKINTER"),
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(feature.jpeg, "JPEG"),
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(feature.zlib, "ZLIB (PNG/ZIP)"),
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# (feature.tiff, "experimental TIFF G3/G4 read"),
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(feature.freetype, "FREETYPE2"),
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(feature.lcms, "LITTLECMS"),
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]
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all = 1
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for option in options:
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if option[0]:
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print "---", option[1], "support available"
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else:
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print "***", option[1], "support not available",
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if option[1] == "TKINTER" and _tkinter:
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version = _tkinter.TCL_VERSION
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print "(Tcl/Tk %s libraries needed)" % version,
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print
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all = 0
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if feature.zlib and unsafe_zlib:
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print
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print "*** Warning: zlib", unsafe_zlib,
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print "may contain a security vulnerability."
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print "*** Consider upgrading to zlib 1.2.3 or newer."
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print "*** See: http://www.kb.cert.org/vuls/id/238678"
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print " http://www.kb.cert.org/vuls/id/680620"
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print " http://www.gzip.org/zlib/advisory-2002-03-11.txt"
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print
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print "-" * 68
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if not all:
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print "To add a missing option, make sure you have the required"
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print "library, and set the corresponding ROOT variable in the"
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print "setup.py script."
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print
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print "To check the build, run the selftest.py script."
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def check_zlib_version(self, include_dirs):
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# look for unsafe versions of zlib
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for dir in include_dirs:
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zlibfile = os.path.join(dir, "zlib.h")
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if os.path.isfile(zlibfile):
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break
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else:
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return
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for line in open(zlibfile).readlines():
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m = re.match('#define\s+ZLIB_VERSION\s+"([^"]*)"', line)
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if not m:
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continue
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if m.group(1) < "1.2.3":
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return m.group(1)
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setup(
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name=NAME,
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version=VERSION,
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description='Python Imaging Library (fork)',
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long_description=(
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_read('README.txt') +
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_read('docs/INSTALL.txt') +
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_read('docs/HISTORY.txt')),
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author='Alex Clark (fork author)',
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author_email='aclark@aclark.net',
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url='http://github.org/collective/pillow',
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classifiers=[
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"Development Status :: 6 - Mature",
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"Topic :: Multimedia :: Graphics",
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"Topic :: Multimedia :: Graphics :: Capture :: Digital Camera",
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"Topic :: Multimedia :: Graphics :: Capture :: Scanners",
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"Topic :: Multimedia :: Graphics :: Capture :: Screen Capture",
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"Topic :: Multimedia :: Graphics :: Graphics Conversion",
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"Topic :: Multimedia :: Graphics :: Viewers",
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],
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cmdclass={"build_ext": pil_build_ext},
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ext_modules=[Extension("_imaging", ["_imaging.c"])],
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)
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