buildtools/wafsamba/samba_python.py

   1 # waf build tool for building IDL files with pidl
   2
   3 import Build
   4 from samba_utils import *
   5 from samba_autoconf import *
   6
   7 from Configure import conf
   8
   9 @conf
  10 def SAMBA_CHECK_PYTHON(conf, mandatory=True, version=(2,4,2)):
  11     # enable tool to build python extensions
  12     if conf.env['EXTRA_PYTHON']:
  13         conf.all_envs['extrapython'] = conf.env.copy()
  14         conf.setenv('extrapython')
  15         conf.env['PYTHON'] = conf.env['EXTRA_PYTHON']
  16         conf.env['IS_EXTRA_PYTHON'] = 'yes'
  17         conf.find_program('python', var='PYTHON', mandatory=True)
  18         conf.check_tool('python')
  19         try:
  20             conf.check_python_version((3, 3, 0))
  21         except Exception:
  22             warn('extra-python needs to be Python 3.3 or later')
  23             raise
  24         conf.setenv('default')
  25
  26     conf.find_program('python', var='PYTHON', mandatory=mandatory)
  27     conf.check_tool('python')
  28     path_python = conf.find_program('python')
  29     conf.env.PYTHON_SPECIFIED = (conf.env.PYTHON != path_python)
  30     conf.check_python_version(version)
  31
  32
  33 @conf
  34 def SAMBA_CHECK_PYTHON_HEADERS(conf, mandatory=True):
  35     if conf.env["python_headers_checked"] == []:
  36         if conf.env['EXTRA_PYTHON']:
  37             conf.setenv('extrapython')
  38             _check_python_headers(conf, mandatory=True)
  39             conf.setenv('default')
  40
  41         _check_python_headers(conf, mandatory)
  42         conf.env["python_headers_checked"] = "yes"
  43
  44         if conf.env['EXTRA_PYTHON']:
  45             extraversion = conf.all_envs['extrapython']['PYTHON_VERSION']
  46             if extraversion == conf.env['PYTHON_VERSION']:
  47                 raise Utils.WafError("extrapython %s is same as main python %s" % (
  48                     extraversion, conf.env['PYTHON_VERSION']))
  49     else:
  50         conf.msg("python headers", "using cache")
  51
  52
  53 def _check_python_headers(conf, mandatory):
  54     conf.check_python_headers(mandatory=mandatory)
  55
  56     if conf.env['PYTHON_VERSION'] > '3':
  57         abi_pattern = os.path.splitext(conf.env['pyext_PATTERN'])[0]
  58         conf.env['PYTHON_SO_ABI_FLAG'] = abi_pattern % ''
  59     else:
  60         conf.env['PYTHON_SO_ABI_FLAG'] = ''
  61
  62
  63 def SAMBA_PYTHON(bld, name,
  64                  source='',
  65                  deps='',
  66                  public_deps='',
  67                  realname=None,
  68                  cflags='',
  69                  includes='',
  70                  init_function_sentinel=None,
  71                  local_include=True,
  72                  vars=None,
  73                  install=True,
  74                  enabled=True):
  75     '''build a python extension for Samba'''
  76
  77     # when we support static python modules we'll need to gather
  78     # the list from all the SAMBA_PYTHON() targets
  79     if init_function_sentinel is not None:
  80         cflags += '-DSTATIC_LIBPYTHON_MODULES=%s' % init_function_sentinel
  81
  82     source = bld.EXPAND_VARIABLES(source, vars=vars)
  83
  84     if realname is not None:
  85         link_name = 'python_modules/%s' % realname
  86     else:
  87         link_name = None
  88
  89     bld.SAMBA_LIBRARY(name,
  90                       source=source,
  91                       deps=deps,
  92                       public_deps=public_deps,
  93                       includes=includes,
  94                       cflags=cflags,
  95                       local_include=local_include,
  96                       vars=vars,
  97                       realname=realname,
  98                       link_name=link_name,
  99                       pyext=True,
 100                       target_type='PYTHON',
 101                       install_path='${PYTHONARCHDIR}',
 102                       allow_undefined_symbols=True,
 103                       allow_warnings=True,
 104                       install=install,
 105                       enabled=enabled)
 106
 107 Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON
 108
 109
 110 def pyembed_libname(bld, name, extrapython=False):
 111     return name + bld.env['PYTHON_SO_ABI_FLAG']
 112
 113 Build.BuildContext.pyembed_libname = pyembed_libname