Allow to dump current config to file. Refs nephila#110

djangocms_installer/config/__init__.py

@@ -23,6 +23,9 @@ def parse(args):
     parser.add_argument('--config-file', dest='config_file', action='store',
                         default=None,
                         help='Configuration file for djangocms_installer')
+    parser.add_argument('--config-dump', dest='config_dump', action='store',
+                        default=None,
+                        help='Dump configuration file with current args')
     parser.add_argument('--db', '-d', dest='db', action=DbAction,
                         default='sqlite://localhost/project.db',
                         help='Database configuration (in URL format)')
@@ -135,6 +138,10 @@ def parse(args):
                          "please choose a different one\n" % args.project_path)
         sys.exit(4)
 
+    if args.config_dump and os.path.isfile(args.config_dump):
+        sys.stdout.write('Cannot dump because given configuration file "%s" is exists.\n' % args.config_dump)
+        sys.exit(8)
+
     for item in data.CONFIGURABLE_OPTIONS:
         action = parser._option_string_actions[item]
         choices = default = ""
@@ -302,6 +309,9 @@ def parse(args):
     setattr(args, 'urlconf_path',
             os.path.join(args.project_directory, args.project_name, 'urls.py').strip())
 
+    if args.config_dump:
+        ini.dump_config_file(args.config_dump, args, parser)
+
     return args
 
 

djangocms_installer/config/ini.py

@@ -8,6 +8,8 @@
 except ImportError:
     from ConfigParser import ConfigParser  # Python 2.
 
+from .data import CMS_VERSION_MATRIX, DJANGO_VERSION_MATRIX
+
 
 SECTION = 'djangocms_installer'
 
@@ -44,6 +46,53 @@ def parse_config_file(parser, stdin_args):
     return config_args
 
 
+def dump_config_file(filename, args, parser=None):
+    """Dump args to config file."""
+    config = ConfigParser()
+    config.add_section(SECTION)
+    if parser is None:
+        for attr in args:
+            config.set(SECTION, attr, args.attr)
+    else:
+        keys_empty_values_not_pass = (
+            '--extra-settings', '--languages', '--requirements', '--template', '--timezone')
+
+        #_positionals._option_string_actions
+        for action in parser._actions:
+            if action.dest in ('help', 'config_file', 'config_dump', 'project_name'):
+                continue
+
+            keyp = action.option_strings[0]
+            option_name = keyp.lstrip('-')
+            option_value = getattr(args, action.dest)
+            if any([i for i in keys_empty_values_not_pass if i in action.option_strings]):
+                if action.dest == 'timezone':
+                    config.set(SECTION, option_name, option_value.zone)
+                elif action.dest == 'languages':
+                    if len(option_value) == 1 and option_value[0] == 'en':
+                        config.set(SECTION, option_name, '')
+                    else:
+                        config.set(SECTION, option_name, ','.join())
+                else:
+                    config.set(SECTION, option_name, option_value if option_value else '')
+            elif action.choices == ('yes', 'no'):
+                config.set(SECTION, option_name, 'yes' if option_value else 'no')
+            elif action.dest == 'templates':
+                config.set(SECTION, option_name, option_value if option_value else 'no')
+            elif action.dest == 'cms_version':
+                version = 'stable' if option_value == CMS_VERSION_MATRIX['stable'] else option_value
+                config.set(SECTION, option_name, version)
+            elif action.dest == 'django_version':
+                version = 'stable' if option_value == DJANGO_VERSION_MATRIX['stable'] else option_value
+                config.set(SECTION, option_name, version)
+            elif action.const:
+                config.set(SECTION, option_name, 'true' if option_value else 'false')
+            else:
+                config.set(SECTION, option_name, str(option_value))
+    with open(filename, 'w') as fp:
+        config.write(fp)
+
+
 def _convert_config_to_stdin(config, parser):
     """Convert config options to stdin args.