python/wscript

   1 #!/usr/bin/env python
   2
   3 import os
   4 from waflib import Options, Errors
   5
   6 # work out what python external libraries we need to be successful
   7 selftest_pkgs = {
   8     'cryptography': 'python3-cryptography',
   9     'pyasn1': 'python3-pyasn1'
  10 }
  11
  12 ad_dc_pkgs = {
  13     'markdown': 'python3-markdown',
  14     'dns': 'python3-dnspython (python3-dns on some systems)'
  15 }
  16
  17
  18 def find_third_party_module(conf, module, package, required=True):
  19     conf.COMPOUND_START("Checking for system installation of Python module %s" % module)
  20     try:
  21         __import__(module)
  22     except ImportError:
  23         conf.COMPOUND_END(False)
  24         if not required:
  25             return False
  26         raise Errors.WafError("""\
  27         Unable to find Python module '%s'. Please install the system package: %s'.
  28 """ % (module, package))
  29     else:
  30         # Installed on the system
  31         conf.COMPOUND_END("system")
  32
  33     return True
  34
  35
  36 def configure(conf):
  37     if conf.env.disable_python:
  38         return
  39
  40     kerberos_py = conf.srcnode.abspath() + "/python/samba/provision/kerberos_implementation.py"
  41
  42     f = open(kerberos_py, 'w')
  43     try:
  44         header = """#
  45 # Copyright (c) 2016      Andreas Schneider <asn@samba.org>
  46 #
  47 # This program is free software; you can redistribute it and/or modify
  48 # it under the terms of the GNU General Public License as published by
  49 # the Free Software Foundation; either version 3 of the License, or
  50 # (at your option) any later version.
  51 #
  52 # This program is distributed in the hope that it will be useful,
  53 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  54 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  55 # GNU General Public License for more details.
  56 #
  57 # You should have received a copy of the GNU General Public License
  58 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  59 #
  60 """
  61         f.write(header)
  62
  63         data = """kdb_modules_dir = "{0}"
  64 """
  65
  66         if conf.env.HEIMDAL_KRB5_CONFIG:
  67             f.write(data.format(""))
  68         else:
  69             modulesdir = "%s/krb5/plugins/kdb" % conf.env.LIBDIR
  70
  71             f.write(data.format(modulesdir))
  72     finally:
  73         f.close()
  74
  75     if conf.CONFIG_GET('ENABLE_SELFTEST'):
  76         for module, package in selftest_pkgs.items():
  77             find_third_party_module(conf, module, package)
  78
  79         # Prefer dateutil.parser which is much more widely used.
  80         if not find_third_party_module(conf,
  81                                        'dateutil.parser',
  82                                        'python3-dateutilis',
  83                                        required=False):
  84             if not find_third_party_module(conf,
  85                                            'iso8601',
  86                                            'python3-iso8601',
  87                                            required=False):
  88                 raise Errors.WafError("Could not find Python package "
  89                                       "'python3-dateutils' nor "
  90                                       "'python3-iso8601'. Please install "
  91                                       "one of the packages.")
  92
  93     if not Options.options.without_ad_dc:
  94         for module, package in ad_dc_pkgs.items():
  95             find_third_party_module(conf, module, package)
  96
  97
  98 def build(bld):
  99
 100
 101     pytalloc_util = bld.pyembed_libname('pytalloc-util')
 102     pyparam_util = bld.pyembed_libname('pyparam_util')
 103     libpython = bld.pyembed_libname('LIBPYTHON')
 104     pyrpc_util = bld.pyembed_libname('pyrpc_util')
 105     samba_python = bld.pyembed_libname('samba_python')
 106     bld.SAMBA_LIBRARY(samba_python,
 107                       source=[],
 108                       deps='%s %s %s' % (libpython, pytalloc_util, pyrpc_util),
 109                       grouping_library=True,
 110                       private_library=True,
 111                       pyembed=True,
 112                       enabled=bld.PYTHON_BUILD_IS_ENABLED())
 113     bld.SAMBA_PYTHON('python_glue',
 114                      source='pyglue.c',
 115                      deps='''
 116                               %s
 117                               samba-util
 118                               netif
 119                               ndr
 120                               cmdline
 121                               %s
 122                               ''' % (pyparam_util, pytalloc_util),
 123                      realname='samba/_glue.so')
 124
 125     bld.SAMBA_SUBSYSTEM(libpython,
 126                         source='modules.c',
 127                         public_deps='',
 128                         init_function_sentinel='{NULL,NULL}',
 129                         deps='talloc',
 130                         pyext=True,
 131                         enabled=bld.PYTHON_BUILD_IS_ENABLED())
 132
 133     if bld.PYTHON_BUILD_IS_ENABLED():
 134         # install out various python scripts for use by make test
 135         bld.SAMBA_SCRIPT('samba_python_files',
 136                          pattern='samba/**/*.py',
 137                          installdir='python')
 138
 139         bld.INSTALL_WILDCARD('${PYTHONARCHDIR}', 'samba/**/*.py', flat=False)