Better method for getting Argparse - (SylvainDe's suggestion)

gooey/gui/application.py

@@ -49,7 +49,7 @@ def do_build_script(module_path):
     if not source_parser.has_argparse(f.read()):
       raise AssertionError('Argparse not found in module. Unable to continue')
 
-  gooey_config = config_generator.create_from_module(module_path, show_config=True)
+  gooey_config = config_generator.create_from_parser(module_path, show_config=True)
   outfile = os.path.join(os.getcwd(), 'gooey_config.json')
 
   print 'Writing config file to: {}'.format(outfile)

gooey/python_bindings/config_generator.py

@@ -4,15 +4,15 @@ from gooey.gui.windows import layouts
 from gooey.python_bindings import source_parser
 
 
-def create_from_module(module_path, payload_name, **kwargs):
+def create_from_parser(parser, source_path, **kwargs):
   show_config = kwargs.get('show_config', False)
 
-  run_cmd = 'python {}'.format(module_path)
-  a = os.path.basename(module_path).replace('.py', '')
+  run_cmd = 'python {}'.format(source_path)
+
   build_spec = {
     'language':             kwargs.get('language', 'english'),
     'target':               run_cmd,
-    'program_name':         kwargs.get('program_name') or os.path.basename(module_path).replace('.py', ''),
+    'program_name':         kwargs.get('program_name') or os.path.basename(source_path).replace('.py', ''),
     'program_description':  kwargs.get('program_description', ''),
     'show_config':          show_config,
     'show_advanced':        kwargs.get('show_advanced', True),
@@ -23,7 +23,6 @@ def create_from_module(module_path, payload_name, **kwargs):
   }
 
   if show_config:
-    parser = source_parser.extract_parser(module_path, payload_name)
     build_spec['program_description'] = parser.description or build_spec['program_description']
 
     layout_data = argparse_to_json.convert(parser) if build_spec['show_advanced'] else layouts.basic_config.items()

gooey/python_bindings/gooey_decorator.py

@@ -44,6 +44,7 @@ to us. No more complicated ast stuff. Just a little bit of string parsing and we
 done.
 
 '''
+from argparse import ArgumentParser
 import json
 
 import os
@@ -58,6 +59,33 @@ from gooey.gui.windows import layouts
 from gooey.python_bindings import argparse_to_json
 
 
+def decorator(func):
+    def graphical_parse_args(self, args=None, namespace=None):
+        values = [raw_input("Enter %s (%s):" % (a.dest, a.help)) for a in self._actions]
+        raw_input('Press enter to start')
+        # update new args with what you get from the graphical widgets
+        return self.original_parse_args(arg_lst, namespace)
+
+    def inner(*args, **kwargs):
+        ArgumentParser.original_parse_args = ArgumentParser.parse_args
+        ArgumentParser.parse_args = graphical_parse_args
+        return func(*args, **kwargs)
+
+
+    return inner
+
+def store_executable_copy():
+  main_module_path = get_caller_path()
+  _, filename = os.path.split(main_module_path)
+  cleaned_source = clean_source(main_module_path)
+
+  descriptor, tmp_filepath = tempfile.mkstemp(suffix='.py')
+  atexit.register(cleanup, descriptor, tmp_filepath)
+
+  with open(tmp_filepath, 'w') as f:
+    f.write(cleaned_source)
+  return tmp_filepath
+
 def Gooey(f=None,
           advanced=True,
           language='english',
@@ -76,21 +104,10 @@ def Gooey(f=None,
   params = locals()
 
   def build(payload):
-    def inner():
-      main_module_path = get_caller_path()
-      _, filename = os.path.split(main_module_path)
-      cleaned_source = clean_source(main_module_path)
-
-      descriptor, tmp_filepath = tempfile.mkstemp(suffix='.py')
-      atexit.register(cleanup, descriptor, tmp_filepath)
-
-      with open(tmp_filepath, 'w') as f:
-        f.write(cleaned_source)
+    def run_gooey(self, args=None, namespace=None):
+      source_path = store_executable_copy()
 
-      if not source_parser.has_argparse(cleaned_source):
-        show_config = False
-
-      build_spec = config_generator.create_from_module(tmp_filepath, payload_name=payload.__name__, **params)
+      build_spec = config_generator.create_from_parser(self, source_path, payload_name=payload.__name__, **params)
 
       if dump_build_config:
         config_path = os.path.join(os.getcwd(), 'gooey_config.json')
@@ -100,8 +117,13 @@ def Gooey(f=None,
 
       application.run(build_spec)
 
-    inner.__name__ = payload.__name__
-    return inner
+    def inner2(*args, **kwargs):
+      ArgumentParser.original_parse_args = ArgumentParser.parse_args
+      ArgumentParser.parse_args = run_gooey
+      return f(*args, **kwargs)
+
+    inner2.__name__ = payload.__name__
+    return inner2
 
   if callable(f):
     return build(f)