libndr: Avoid assigning duplicate versions to symbols

[amitay/samba.git] / python / wscript

diff --git a/python/wscript b/python/wscript
index 2978f187b67aed2a06be340833d70acbc85a660f..20ca9f1f862578bc481b21b9ab76796756d46d74 100644 (file)
--- a/python/wscript
+++ b/python/wscript
@@ -1,9 +1,40 @@
 #!/usr/bin/env python
 
 import os
+from waflib import Options, Errors
+
+# work out what python external libraries we need to be successful
+selftest_pkgs = {
+    'iso8601': 'python3-iso8601',
+    'cryptography': 'python3-cryptography',
+    'pyasn1': 'python3-asn1'
+}
+
+ad_dc_pkgs = {
+    'markdown': 'python3-markdown',
+    'dns': 'python3-dnspython (python3-dns on some systems)'
+}
+
+
+def find_third_party_module(conf, module, package):
+    conf.COMPOUND_START("Checking for system installation of Python module %s" % module)
+    try:
+        __import__(module)
+    except ImportError:
+        conf.COMPOUND_END(False)
+        raise Errors.WafError("""\
+        Unable to find Python module '%s'. Please install the system package: %s'.
+""" % (module, package))
+    else:
+        # Installed on the system
+        conf.COMPOUND_END("system")
+
 
 def configure(conf):
-    kerberos_py = conf.srcdir + "/python/samba/provision/kerberos_implementation.py"
+    if conf.env.disable_python:
+        return
+
+    kerberos_py = conf.srcnode.abspath() + "/python/samba/provision/kerberos_implementation.py"
 
     f = open(kerberos_py, 'w')
     try:
@@ -38,45 +69,52 @@ def configure(conf):
     finally:
         f.close()
 
+    if conf.CONFIG_GET('ENABLE_SELFTEST'):
+        for module, package in selftest_pkgs.items():
+            find_third_party_module(conf, module, package)
+
+    if not Options.options.without_ad_dc:
+        for module, package in ad_dc_pkgs.items():
+            find_third_party_module(conf, module, package)
+
+
 def build(bld):
 
 
-    for env in bld.gen_python_environments():
-        pytalloc_util = bld.pyembed_libname('pytalloc-util')
-        pyparam_util = bld.pyembed_libname('pyparam_util')
-        libpython = bld.pyembed_libname('LIBPYTHON')
-        pyrpc_util = bld.pyembed_libname('pyrpc_util')
-        samba_python = bld.pyembed_libname('samba_python')
-        bld.SAMBA_LIBRARY(samba_python,
+    pytalloc_util = bld.pyembed_libname('pytalloc-util')
+    pyparam_util = bld.pyembed_libname('pyparam_util')
+    libpython = bld.pyembed_libname('LIBPYTHON')
+    pyrpc_util = bld.pyembed_libname('pyrpc_util')
+    samba_python = bld.pyembed_libname('samba_python')
+    bld.SAMBA_LIBRARY(samba_python,
                       source=[],
                       deps='%s %s %s' % (libpython, pytalloc_util, pyrpc_util),
                       grouping_library=True,
                       private_library=True,
                       pyembed=True,
                       enabled=bld.PYTHON_BUILD_IS_ENABLED())
-        bld.SAMBA_PYTHON('python_glue',
-                         source='pyglue.c',
-                         deps='''
+    bld.SAMBA_PYTHON('python_glue',
+                     source='pyglue.c',
+                     deps='''
                               %s
                               samba-util
                               netif
                               %s
                               ''' % (pyparam_util, pytalloc_util),
-                         realname='samba/_glue.so')
+                     realname='samba/_glue.so')
 
-        bld.SAMBA_SUBSYSTEM(libpython,
-                            source='modules.c',
-                            public_deps='',
-                            init_function_sentinel='{NULL,NULL}',
-                            deps='talloc',
-                            pyext=True,
-                            enabled=bld.PYTHON_BUILD_IS_ENABLED())
+    bld.SAMBA_SUBSYSTEM(libpython,
+                        source='modules.c',
+                        public_deps='',
+                        init_function_sentinel='{NULL,NULL}',
+                        deps='talloc',
+                        pyext=True,
+                        enabled=bld.PYTHON_BUILD_IS_ENABLED())
 
     if bld.PYTHON_BUILD_IS_ENABLED():
-        for env in bld.gen_python_environments():
-            # install out various python scripts for use by make test
-            bld.SAMBA_SCRIPT('samba_python_files',
-                             pattern='samba/**/*.py',
-                             installdir='python')
-
-            bld.INSTALL_WILDCARD('${PYTHONARCHDIR}', 'samba/**/*.py', flat=False)
+        # install out various python scripts for use by make test
+        bld.SAMBA_SCRIPT('samba_python_files',
+                         pattern='samba/**/*.py',
+                         installdir='python')
+        
+        bld.INSTALL_WILDCARD('${PYTHONARCHDIR}', 'samba/**/*.py', flat=False)