libraries/pyshapelib/setup.py


import os
import sys
from distutils.core import setup, Extension
from distutils.util import convert_path

# try to determine the directory where the shapelib source files are.
# There are currently two supported situations.
#
# 1. "Standalone" build: the parent directory is the shapelib source
#    directory
# 2. Built in the Thuban source tree where ../shapelib/ relative to the
#    directory containing this setup.py contains (the relevant parts of)
#    shapelib
#
# 3. Binary build with e.g. bdist_rpm.  This takes place deep in the
#    build directory.

# os.path expects filenames in OS-specific form so we have to construct
# the files with os.path functions. distutils, OTOH, uses posix-style
# filenames exclusively, so we use posix conventions when making
# filenames for distutils.
for shp_dir in ["..", "../shapelib", "../../../../../../shapelib"]:
    if (os.path.isdir(convert_path(shp_dir))
        and os.path.exists(os.path.join(convert_path(shp_dir), "shpopen.c"))):
        # shp_dir contains shpopen.c, so assume it's the directory with
        # the shapefile library to use
        break
else:
    print >>sys.stderr, "no shapelib directory found"
    sys.exit(1)

def dbf_macros():
    """Return the macros to define when compiling the dbflib wrapper.

    The returned list specifies one macro, HAVE_UPDATE_HEADER, which is
    '1' if the dbflib version we will be compiling with has the
    DBFUpdateHeader function and '0' otherwise.  To check whether
    DBFUpdateHeader is available, we scan shapefil.h for the string
    'DBFUpdateHeader'.
    """
    f = open(convert_path(shp_dir + "/shapefil.h"))
    contents = f.read()
    f.close()
    if contents.find("DBFUpdateHeader") >= 0:
        return [("HAVE_UPDATE_HEADER", "1")]
    else:
        return [("HAVE_UPDATE_HEADER", "0")]

extensions = [Extension("shapelib",
                        ["shapelibmodule.c",
                         shp_dir + "/shpopen.c",
                         shp_dir + "/shptree.c"],
                        include_dirs = [shp_dir]),
              Extension("shptree",
                        ["shptreemodule.c"],
                        include_dirs = [shp_dir]),
              Extension("dbflib",
                        ["dbflibmodule.c",
                         shp_dir + "/dbfopen.c"],
                        include_dirs = [shp_dir],
                        define_macros = dbf_macros())]

setup(name = "pyshapelib",
      version = "0.3",
      description = "Python bindings for shapelib",
      author = "Bernhard Herzog",
      author_email = "[email protected]",
      url = "ftp:intevation.de/users/bh",
      ext_modules = extensions)

1	jan	1611
2			import os
3	bh	2222	import sys
4	jan	1611	from distutils.core import setup, Extension
5	bh	2212	from distutils.util import convert_path
6	jan	1611
7			# try to determine the directory where the shapelib source files are.
8			# There are currently two supported situations.
9			#
10			# 1. "Standalone" build: the parent directory is the shapelib source
11			# directory
12	bh	2212	# 2. Built in the Thuban source tree where ../shapelib/ relative to the
13			# directory containing this setup.py contains (the relevant parts of)
14			# shapelib
15	bh	2222	#
16			# 3. Binary build with e.g. bdist_rpm. This takes place deep in the
17			# build directory.
18	jan	1611
19			# os.path expects filenames in OS-specific form so we have to construct
20			# the files with os.path functions. distutils, OTOH, uses posix-style
21	bh	2212	# filenames exclusively, so we use posix conventions when making
22			# filenames for distutils.
23	bh	2222	for shp_dir in ["..", "../shapelib", "../../../../../../shapelib"]:
24			if (os.path.isdir(convert_path(shp_dir))
25			and os.path.exists(os.path.join(convert_path(shp_dir), "shpopen.c"))):
26	bh	2212	# shp_dir contains shpopen.c, so assume it's the directory with
27			# the shapefile library to use
28			break
29	bh	2222	else:
30			print >>sys.stderr, "no shapelib directory found"
31			sys.exit(1)
32	jan	1611
33	bh	2212	def dbf_macros():
34			"""Return the macros to define when compiling the dbflib wrapper.
35
36			The returned list specifies one macro, HAVE_UPDATE_HEADER, which is
37			'1' if the dbflib version we will be compiling with has the
38			DBFUpdateHeader function and '0' otherwise. To check whether
39			DBFUpdateHeader is available, we scan shapefil.h for the string
40			'DBFUpdateHeader'.
41			"""
42			f = open(convert_path(shp_dir + "/shapefil.h"))
43			contents = f.read()
44			f.close()
45			if contents.find("DBFUpdateHeader") >= 0:
46			return [("HAVE_UPDATE_HEADER", "1")]
47			else:
48			return [("HAVE_UPDATE_HEADER", "0")]
49
50	bramz	2735	extensions = [Extension("shapelib",
51	bramz	2742	["shapelibmodule.c",
52	jan	1611	shp_dir + "/shpopen.c",
53			shp_dir + "/shptree.c"],
54			include_dirs = [shp_dir]),
55			Extension("shptree",
56			["shptreemodule.c"],
57			include_dirs = [shp_dir]),
58	bramz	2742	Extension("dbflib",
59			["dbflibmodule.c",
60	jan	1611	shp_dir + "/dbfopen.c"],
61	bh	2212	include_dirs = [shp_dir],
62			define_macros = dbf_macros())]
63	jan	1611
64			setup(name = "pyshapelib",
65			version = "0.3",
66			description = "Python bindings for shapelib",
67			author = "Bernhard Herzog",
68			author_email = "[email protected]",
69			url = "ftp:intevation.de/users/bh",
70			ext_modules = extensions)
71
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