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setup.py.in
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#!/usr/bin/env python
# Copyright (C) 2016-2017 g10 Code GmbH
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from distutils.core import setup, Extension
import os, os.path, sys
import glob
import re
import shutil
import subprocess
# Out-of-tree build of the gpg bindings.
gpg_error_config = ["gpg-error-config"]
gpgme_config_flags = ["--thread=pthread"]
gpgme_config = ["gpgme-config"] + gpgme_config_flags
gpgme_h = ""
include_dirs = [os.getcwd()]
library_dirs = []
in_tree = False
extra_swig_opts = []
extra_macros = dict()
top_builddir = os.environ.get("top_builddir")
if top_builddir:
# In-tree build.
in_tree = True
gpgme_config = [os.path.join(top_builddir, "src/gpgme-config")] + gpgme_config_flags
gpgme_h = os.path.join(top_builddir, "src/gpgme.h")
library_dirs = [os.path.join(top_builddir, "src/.libs")] # XXX uses libtool internals
extra_macros.update(
HAVE_CONFIG_H=1,
HAVE_DATA_H=1,
IN_TREE_BUILD=1,
)
if hasattr(subprocess, "DEVNULL"):
devnull = subprocess.DEVNULL
else:
devnull = open(os.devnull, "w")
try:
subprocess.check_call(gpgme_config + ['--version'],
stdout=devnull)
except:
sys.exit("Could not find gpgme-config. " +
"Please install the libgpgme development package.")
def getconfig(what, config=gpgme_config):
confdata = subprocess.Popen(config + ["--%s" % what],
stdout=subprocess.PIPE).communicate()[0]
return [x for x in confdata.decode('utf-8').split() if x != '']
version = version_raw = getconfig("version")[0]
if '-' in version:
version = version.split('-')[0]
major, minor, patch = map(int, version.split('.'))
if not (major > 1 or (major == 1 and minor >= 7)):
sys.exit('Need at least GPGME version 1.7, found {}.'.format(version_raw))
if not gpgme_h:
gpgme_h = os.path.join(getconfig("prefix")[0], "include", "gpgme.h")
define_macros = []
libs = getconfig('libs')
# Define extra_macros for both the SWIG and C code
for k, v in extra_macros.items():
extra_swig_opts.append("-D{0}={1}".format(k, v))
define_macros.append((k, str(v)))
for item in getconfig('cflags'):
if item.startswith("-I"):
include_dirs.append(item[2:])
elif item.startswith("-D"):
defitem = item[2:].split("=", 1)
if len(defitem)==2:
define_macros.append((defitem[0], defitem[1]))
else:
define_macros.append((defitem[0], None))
# Adjust include and library locations in case of win32
uname_s = os.popen("uname -s").read()
if uname_s.startswith("MINGW32"):
mnts = [x.split()[0:3:2] for x in os.popen("mount").read().split("\n") if x]
tmplist = sorted([(len(x[1]), x[1], x[0]) for x in mnts])
tmplist.reverse()
extra_dirs = []
for item in include_dirs:
for ln, mnt, tgt in tmplist:
if item.startswith(mnt):
item = os.path.normpath(item[ln:])
while item[0] == os.path.sep:
item = item[1:]
extra_dirs.append(os.path.join(tgt, item))
break
include_dirs += extra_dirs
for item in [x[2:] for x in libs if x.startswith("-L")]:
for ln, mnt, tgt in tmplist:
if item.startswith(mnt):
item = os.path.normpath(item[ln:])
while item[0] == os.path.sep:
item = item[1:]
library_dirs.append(os.path.join(tgt, item))
break
def in_srcdir(name):
return os.path.join(os.environ.get("srcdir", ""), name)
def up_to_date(source, target):
return (os.path.exists(target)
and os.path.getmtime(source) <= os.path.getmtime(target))
# We build an Extension using SWIG, which generates a Python module.
# By default, the 'build_py' step is run before 'build_ext', and
# therefore the generated Python module is not copied into the build
# directory.
# Bug: http://bugs.python.org/issue1016626
# Workaround:
# http://stackoverflow.com/questions/12491328/python-distutils-not-include-the-swig-generated-module
from distutils.command.build import build
class BuildExtFirstHack(build):
def _read_header(self, header, cflags):
tmp_include = self._in_build_base("include1.h")
with open(tmp_include, 'w') as f:
f.write("#include <%s>" % header)
return subprocess.check_output(os.environ.get('CPP', 'cc -E').split() + cflags + [tmp_include]).decode('utf-8')
def _write_if_unchanged(self, target, content):
if os.path.exists(target):
with open(target) as f:
if f.read() == content:
return
with open(target, "w") as sink:
sink.write(content)
def _generate_gpgme_h(self, source_name, sink_name):
if up_to_date(source_name, sink_name):
return
print("Using gpgme.h from {}".format(source_name))
deprec_func = re.compile(r'^(.*typedef.*|.*\(.*\)|[^#]+\s+.+)'
+ r'\s*_GPGME_DEPRECATED(_OUTSIDE_GPGME)?\(.*\);\s*',
re.S)
line_break = re.compile(';|\\$|\\x0c|^\s*#|{')
with open(sink_name, "w") as sink, open(source_name) as source:
text = ''
for line in source:
text += re.sub(' class ', ' _py_obsolete_class ', line)
if line_break.search(line):
if not deprec_func.search(text):
sink.write(text)
text = ''
sink.write(text)
def _generate_errors_i(self):
try:
subprocess.check_call(gpg_error_config + ['--version'],
stdout=devnull)
except:
sys.exit("Could not find gpg-error-config. " +
"Please install the libgpg-error development package.")
gpg_error_content = self._read_header("gpg-error.h", getconfig("cflags", config=gpg_error_config))
filter_re = re.compile(r'GPG_ERR_[^ ]* =')
rewrite_re = re.compile(r' *(.*) = .*')
errors_i_content = ''
for line in gpg_error_content.splitlines():
if not filter_re.search(line):
continue
errors_i_content += rewrite_re.sub(r'%constant long \1 = \1;'+'\n', line.strip())
self._write_if_unchanged(self._in_build_base("errors.i"), errors_i_content)
def _in_build_base(self, name):
return os.path.join(self.build_base, name)
def _generate(self):
# Cleanup gpgme.h from deprecated functions and typedefs.
if not os.path.exists(self.build_base):
os.makedirs(self.build_base)
self._generate_gpgme_h(gpgme_h, self._in_build_base("gpgme.h"))
self._generate_errors_i()
# Copy due to http://bugs.python.org/issue2624
# Avoid creating in srcdir
for source, target in ((in_srcdir(n), self._in_build_base(n))
for n in ('gpgme.i', 'helpers.c', 'private.h', 'helpers.h')):
if not up_to_date(source, target):
shutil.copy2(source, target)
# Append generated files via build_base
if not os.path.exists(os.path.join(self.build_lib, "gpg")):
os.makedirs(os.path.join(self.build_lib, "gpg"))
shutil.copy2("version.py", os.path.join(self.build_lib, "gpg"))
def run(self):
self._generate()
swig_sources.extend((self._in_build_base('gpgme.i'), self._in_build_base('helpers.c')))
swig_opts.extend(['-I' + self.build_base,
'-outdir', os.path.join(self.build_lib, 'gpg')])
include_dirs.insert(0, self.build_base)
self.run_command('build_ext')
build.run(self)
py3 = [] if sys.version_info.major < 3 else ['-py3']
swig_sources = []
swig_opts = ['-threads'] + py3 + extra_swig_opts
swige = Extension("gpg._gpgme",
sources = swig_sources,
swig_opts = swig_opts,
include_dirs = include_dirs,
define_macros = define_macros,
library_dirs = library_dirs,
extra_link_args = libs)
setup(name="gpg",
cmdclass={'build': BuildExtFirstHack},
version="@VERSION@",
description='Python bindings for GPGME GnuPG cryptography library',
# XXX add a long description
#long_description=long_description,
author='The GnuPG hackers',
author_email='gnupg-devel@gnupg.org',
url='https://www.gnupg.org',
ext_modules=[swige],
packages = ['gpg', 'gpg.constants', 'gpg.constants.data',
'gpg.constants.keylist', 'gpg.constants.sig',
'gpg.constants.tofu'],
license="LGPL2.1+ (the library), GPL2+ (tests and examples)",
classifiers=[
'Development Status :: 4 - Beta',
'Intended Audience :: Developers',
'License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: 3.5',
'Programming Language :: Python :: 3.6',
'Operating System :: POSIX',
'Operating System :: Microsoft :: Windows',
'Topic :: Communications :: Email',
'Topic :: Security :: Cryptography',
],
)

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