Allow py-pillow to link to Spack-built libraries

var/spack/repos/builtin/packages/py-pillow/package.py

@@ -23,77 +23,113 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
 from spack import *
-import os
+
 
 class PyPillow(Package):
-    """Pillow is the friendly PIL fork by Alex Clark and Contributors. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many file formats, and provides powerful image processing and graphics capabilities."""
+    """Pillow is a fork of the Python Imaging Library (PIL). It adds image
+    processing capabilities to your Python interpreter. This library supports
+    many file formats, and provides powerful image processing and graphics
+    capabilities."""
 
-    homepage = "https://python-pillow.github.io/"
+    homepage = "https://python-pillow.org/"
     url      = "https://pypi.python.org/packages/source/P/Pillow/Pillow-3.0.0.tar.gz"
 
+    version('3.2.0', '7cfd093c11205d9e2ebe3c51dfcad510')
     version('3.0.0', 'fc8ac44e93da09678eac7e30c9b7377d')
-    provides('PIL')
 
     # These defaults correspond to Pillow defaults
-    variant('jpeg', default=True, description='Provide JPEG functionality')
+    variant('jpeg',     default=True,  description='Provide JPEG functionality')
-    variant('zlib', default=True, description='Access to compressed PNGs')
+    variant('zlib',     default=True,  description='Access to compressed PNGs')
-    variant('tiff', default=False, description='Access to TIFF files')
+    variant('tiff',     default=False, description='Access to TIFF files')
     variant('freetype', default=False, description='Font related services')
-    variant('tk', default=False, description='Support for tkinter bitmap and photo images')
+    variant('lcms',     default=False, description='Color management')
-    variant('lcms', default=False, description='Color management')
+    variant('tk',       default=False, description='Support for tkinter bitmap and photo images')
+    variant('jpeg2000', default=False, description='Provide JPEG 2000 functionality')
 
     # Spack does not (yet) support these modes of building
-    # variant('webp', default=False, description='')
+    # variant('webp',       default=False, description='Provide the WebP format')
-    # variant('webpmux', default=False, description='')
+    # variant('webpmux',    default=False, description='WebP metadata, relies on WebP support')
-    # variant('jpeg2000', default=False, description='')
+    # variant('imagequant', default=False, description='Provide improved color quantization')
 
+    provides('PIL')
+
+    # Required dependencies
     extends('python')
-    depends_on('binutils')
     depends_on('py-setuptools')
 
-    depends_on('jpeg', when='+jpeg')   # BUG: It will use the system libjpeg anyway
+    # Recommended dependencies
+    depends_on('jpeg', when='+jpeg')
     depends_on('zlib', when='+zlib')
-    depends_on('tiff', when='+tiff')
-    depends_on('freetype', when='+freetype')
-    depends_on('lcms', when='+lcms')
-    depends_on('tcl', when='+tk')
-    depends_on('tk', when='+tk')
 
-    def install(self, spec, prefix):
+    # Optional dependencies
-        libpath=[]
+    depends_on('libtiff',  when='+tiff')
+    depends_on('freetype', when='+freetype')
+    depends_on('lcms',     when='+lcms')
+    depends_on('tcl',      when='+tk')
+    depends_on('tk',       when='+tk')
+    depends_on('openjpeg', when='+jpeg2000')
+
+    # Spack does not (yet) support these modes of building
+    # depends_on('webp',       when='+webp')
+    # depends_on('webpmux',    when='+webpmux')
+    # depends_on('imagequant', when='+imagequant')
+
+    def patch(self):
+        """Patch setup.py to provide lib and include directories
+        for dependencies."""
+
+        spec = self.spec
+        setup = FileFilter('setup.py')
 
         if '+jpeg' in spec:
-            libpath.append(join_path(spec['jpeg'].prefix, 'lib'))
+            setup.filter('JPEG_ROOT = None',
+                         'JPEG_ROOT = ("{0}", "{1}")'.format(
+                            spec['jpeg'].prefix.lib,
+                            spec['jpeg'].prefix.include))
         if '+zlib' in spec:
-            libpath.append(join_path(spec['zlib'].prefix, 'lib'))
+            setup.filter('ZLIB_ROOT = None',
+                         'ZLIB_ROOT = ("{0}", "{1}")'.format(
+                            spec['zlib'].prefix.lib,
+                            spec['zlib'].prefix.include))
         if '+tiff' in spec:
-            libpath.append(join_path(spec['tiff'].prefix, 'lib'))
+            setup.filter('TIFF_ROOT = None',
+                         'TIFF_ROOT = ("{0}", "{1}")'.format(
+                            spec['libtiff'].prefix.lib,
+                            spec['libtiff'].prefix.include))
         if '+freetype' in spec:
-            libpath.append(join_path(spec['freetype'].prefix, 'lib'))
+            setup.filter('FREETYPE_ROOT = None',
+                         'FREETYPE_ROOT = ("{0}", "{1}")'.format(
+                            spec['freetype'].prefix.lib,
+                            spec['freetype'].prefix.include))
         if '+lcms' in spec:
-            libpath.append(join_path(spec['lcms'].prefix, 'lib'))
+            setup.filter('LCMS_ROOT = None',
+                         'LCMS_ROOT = ("{0}", "{1}")'.format(
+                            spec['lcms'].prefix.lib,
+                            spec['lcms'].prefix.include))
+        if '+tk' in spec:
+            setup.filter('TCL_ROOT = None',
+                         'TCL_ROOT = ("{0}", "{1}")'.format(
+                            spec['tcl'].prefix.lib,
+                            spec['tcl'].prefix.include))
+        if '+jpeg2000' in spec:
+            setup.filter('JPEG2K_ROOT = None',
+                         'JPEG2K_ROOT = ("{0}", "{1}")'.format(
+                            spec['openjpeg'].prefix.lib,
+                            spec['openjpeg'].prefix.include))
 
-        # This has not been tested, and likely needs some other treatment.
+    def install(self, spec, prefix):
-        #if '+tk' in spec:
+        build_args = [
-        #    libpath.append(join_path(spec['tcl'].prefix, 'lib'))
+            '--{0}-jpeg'.format('enable' if '+jpeg' in spec else 'disable'),
-        #    libpath.append(join_path(spec['tk'].prefix, 'lib'))
+            '--{0}-zlib'.format('enable' if '+zlib' in spec else 'disable'),
+            '--{0}-tiff'.format('enable' if '+tiff' in spec else 'disable'),
+            '--{0}-freetype'.format(
+                'enable' if '+freetype' in spec else 'disable'),
+            '--{0}-lcms'.format('enable' if '+lcms' in spec else 'disable'),
+            '--{0}-tk'.format('enable' if '+tk' in spec else 'disable'),
+            '--{0}-tcl'.format('enable' if '+tk' in spec else 'disable'),
+            '--{0}-jpeg2000'.format(
+                'enable' if '+jpeg2000' in spec else 'disable')
+        ]
 
-        # -------- Building
+        python('setup.py', 'build_ext', *build_args)
-        cmd = ['build_ext',
+        python('setup.py', 'install', '--prefix={0}'.format(prefix))
-            '--%s-jpeg' % ('enable' if '+jpeg' in spec else 'disable'),
-            '--%s-zlib' % ('enable' if '+zlib' in spec else 'disable'),
-            '--%s-tiff' % ('enable' if '+tiff' in spec else 'disable'),
-            '--%s-freetype' % ('enable' if '+freetype' in spec else 'disable'),
-            '--%s-lcms' % ('enable' if '+lcms' in spec else 'disable'),
-            '-L'+':'.join(libpath)    # NOTE: This does not make it find libjpeg
-            ]
-
-        #if '+tk' in spec:
-        #    cmd.extend(['--enable-tcl', '--enable-tk'])
-        #else:
-        #    cmd.extend(['--disable-tcl', '--disable-tk'])
-
-        # --------- Installation
-        cmd.extend(['install', '--prefix=%s' % prefix])
-
-        python('setup.py', *cmd)