292 lines
10 KiB
Python
Executable File
292 lines
10 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2016-2018 g10 Code GmbH
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# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
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# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from distutils.core import setup, Extension
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from distutils.command.build import build
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import glob
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import os
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import os.path
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import re
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import shutil
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import subprocess
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import sys
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# Out-of-tree build of the gpg bindings.
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gpg_error_config = ["gpg-error-config"]
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gpgme_config_flags = ["--thread=pthread"]
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gpgme_config = ["gpgme-config"] + gpgme_config_flags
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gpgme_h = ""
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include_dirs = [os.getcwd()]
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library_dirs = []
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in_tree = False
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extra_swig_opts = []
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extra_macros = dict()
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top_builddir = os.environ.get("top_builddir")
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if top_builddir:
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# In-tree build.
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in_tree = True
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gpgme_config = [os.path.join(top_builddir, "src/gpgme-config")
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] + gpgme_config_flags
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gpgme_h = os.path.join(top_builddir, "src/gpgme.h")
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library_dirs = [os.path.join(top_builddir,
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"src/.libs")] # XXX uses libtool internals
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extra_macros.update(
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HAVE_CONFIG_H=1,
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HAVE_DATA_H=1,
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IN_TREE_BUILD=1,
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)
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if hasattr(subprocess, "DEVNULL"):
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devnull = subprocess.DEVNULL
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else:
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devnull = open(os.devnull, "w")
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try:
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subprocess.check_call(gpgme_config + ['--version'], stdout=devnull)
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except:
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sys.exit("Could not find gpgme-config. " +
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"Please install the libgpgme development package.")
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def getconfig(what, config=gpgme_config):
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confdata = subprocess.Popen(
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config + ["--%s" % what], stdout=subprocess.PIPE).communicate()[0]
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return [x for x in confdata.decode('utf-8').split() if x != '']
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version = version_raw = getconfig("version")[0]
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if '-' in version:
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version = version.split('-')[0]
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major, minor, patch = map(int, version.split('.'))
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if not (major > 1 or (major == 1 and minor >= 7)):
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sys.exit('Need at least GPGME version 1.7, found {}.'.format(version_raw))
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if not gpgme_h:
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gpgme_h = os.path.join(getconfig("prefix")[0], "include", "gpgme.h")
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define_macros = []
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libs = getconfig('libs')
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# Define extra_macros for both the SWIG and C code
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for k, v in extra_macros.items():
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extra_swig_opts.append("-D{0}={1}".format(k, v))
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define_macros.append((k, str(v)))
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for item in getconfig('cflags'):
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if item.startswith("-I"):
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include_dirs.append(item[2:])
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elif item.startswith("-D"):
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defitem = item[2:].split("=", 1)
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if len(defitem) == 2:
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define_macros.append((defitem[0], defitem[1]))
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else:
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define_macros.append((defitem[0], None))
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# Adjust include and library locations in case of win32
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uname_s = os.popen("uname -s").read()
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if uname_s.startswith("MINGW32"):
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mnts = [
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x.split()[0:3:2] for x in os.popen("mount").read().split("\n") if x
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]
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tmplist = sorted([(len(x[1]), x[1], x[0]) for x in mnts])
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tmplist.reverse()
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extra_dirs = []
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for item in include_dirs:
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for ln, mnt, tgt in tmplist:
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if item.startswith(mnt):
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item = os.path.normpath(item[ln:])
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while item[0] == os.path.sep:
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item = item[1:]
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extra_dirs.append(os.path.join(tgt, item))
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break
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include_dirs += extra_dirs
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for item in [x[2:] for x in libs if x.startswith("-L")]:
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for ln, mnt, tgt in tmplist:
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if item.startswith(mnt):
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item = os.path.normpath(item[ln:])
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while item[0] == os.path.sep:
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item = item[1:]
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library_dirs.append(os.path.join(tgt, item))
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break
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def in_srcdir(name):
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return os.path.join(os.environ.get("srcdir", ""), name)
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def up_to_date(source, target):
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return (os.path.exists(target) and
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os.path.getmtime(source) <= os.path.getmtime(target))
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# We build an Extension using SWIG, which generates a Python module.
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# By default, the 'build_py' step is run before 'build_ext', and
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# therefore the generated Python module is not copied into the build
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# directory.
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# Bugs: https://bugs.python.org/issue1016626
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# https://bugs.python.org/issue2624
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# Workaround:
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# https://stackoverflow.com/questions/12491328/python-distutils-not-include-the-swig-generated-module
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#
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# To install to multiple Python installations or to alternate ones run the
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# following three commands (yes, run the build one twice):
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#
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# /path/to/pythonX.Y setup.py build
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# /path/to/pythonX.Y setup.py build
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# /path/to/pythonX.Y setup.py install
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#
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# It is highly likely that this will need to be run as root or with sudo (or
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# sudo -H). It may or may not work with venv. and outside a virtualenv
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class BuildExtFirstHack(build):
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def _read_header(self, header, cflags):
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tmp_include = self._in_build_base("include1.h")
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with open(tmp_include, 'w') as f:
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f.write("#include <%s>" % header)
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return subprocess.check_output(
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os.environ.get('CPP', 'cc -E').split() + cflags +
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[tmp_include]).decode('utf-8')
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def _write_if_unchanged(self, target, content):
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if os.path.exists(target):
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with open(target) as f:
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if f.read() == content:
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return
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with open(target, "w") as sink:
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sink.write(content)
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def _generate_gpgme_h(self, source_name, sink_name):
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print("Using gpgme.h from {}".format(source_name))
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shutil.copy2(source_name, sink_name)
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def _generate_errors_i(self):
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try:
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subprocess.check_call(
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gpg_error_config + ['--version'], stdout=devnull)
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except:
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sys.exit("Could not find gpg-error-config. " +
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"Please install the libgpg-error development package.")
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gpg_error_content = self._read_header(
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"gpg-error.h", getconfig("cflags", config=gpg_error_config))
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filter_re = re.compile(r'GPG_ERR_[^ ]* =')
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rewrite_re = re.compile(r' *(.*) = .*')
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errors_i_content = ''
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for line in gpg_error_content.splitlines():
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if not filter_re.search(line):
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continue
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errors_i_content += rewrite_re.sub(
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r'%constant long \1 = \1;' + '\n', line.strip())
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self._write_if_unchanged(
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self._in_build_base("errors.i"), errors_i_content)
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def _in_build_base(self, name):
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return os.path.join(self.build_base, name)
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def _generate(self):
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# Cleanup gpgme.h from deprecated functions and typedefs.
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if not os.path.exists(self.build_base):
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os.makedirs(self.build_base)
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self._generate_gpgme_h(gpgme_h, self._in_build_base("gpgme.h"))
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self._generate_errors_i()
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# Copy due to https://bugs.python.org/issue2624
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# Avoid creating in srcdir
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for source, target in ((in_srcdir(n), self._in_build_base(n))
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for n in ('gpgme.i', 'helpers.c', 'private.h',
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'helpers.h')):
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if not up_to_date(source, target):
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shutil.copy2(source, target)
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# Append generated files via build_base
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if not os.path.exists(os.path.join(self.build_lib, "gpg")):
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os.makedirs(os.path.join(self.build_lib, "gpg"))
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shutil.copy2("version.py", os.path.join(self.build_lib, "gpg"))
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def run(self):
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self._generate()
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swig_sources.extend((self._in_build_base('gpgme.i'),
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self._in_build_base('helpers.c')))
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swig_opts.extend([
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'-I' + self.build_base, '-outdir',
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os.path.join(self.build_lib, 'gpg')
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])
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include_dirs.insert(0, self.build_base)
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self.run_command('build_ext')
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build.run(self)
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py3 = [] if sys.version_info.major < 3 else ['-py3']
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swig_sources = []
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swig_opts = ['-threads'] + py3 + extra_swig_opts
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swige = Extension(
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"gpg._gpgme",
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sources=swig_sources,
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swig_opts=swig_opts,
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include_dirs=include_dirs,
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define_macros=define_macros,
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library_dirs=library_dirs,
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extra_link_args=libs)
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setup(
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name="gpg",
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cmdclass={'build': BuildExtFirstHack},
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version="@VERSION@",
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description='Python bindings for GPGME GnuPG cryptography library',
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# TODO: add a long description
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# long_description=long_description,
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author='The GnuPG hackers',
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author_email='gnupg-devel@gnupg.org',
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url='https://www.gnupg.org',
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ext_modules=[swige],
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packages=[
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'gpg', 'gpg.constants', 'gpg.constants.data', 'gpg.constants.keylist',
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'gpg.constants.sig', 'gpg.constants.tofu'
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],
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license="LGPL2.1+ (the library), GPL2+ (tests and examples)",
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classifiers=[
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'Development Status :: 4 - Beta',
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'Intended Audience :: Developers',
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'License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)',
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'Programming Language :: Python :: 2',
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'Programming Language :: Python :: 2.7',
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'Programming Language :: Python :: 3',
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'Programming Language :: Python :: 3.4',
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'Programming Language :: Python :: 3.5',
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'Programming Language :: Python :: 3.6',
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'Programming Language :: Python :: 3.7',
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'Operating System :: POSIX',
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'Operating System :: Microsoft :: Windows',
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'Topic :: Communications :: Email',
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'Topic :: Security :: Cryptography',
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],
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)
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