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py_qt_mvc.py
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import sys
import os
class WidgetCodeGenerator(object):
def __init__(self):
self.ordered_funcs = [
{'the_func' : self.get_view_class_code,
'func_single_only' : True,
'func_header' : '#####################\n# views\MainView.py #\n#####################\n'},
{'the_func' : self.get_value_property_code,
'func_single_only' : False,
'func_header' : '\n\n #### properties for widget value ####'},
{'the_func' : self.get_enable_property_code,
'func_single_only' : False,
'func_header' : '\n\n #### properties for widget enabled state ####'},
{'the_func' : self.get_view_init_code,
'func_single_only' : True,
'func_header' : '\n'},
{'the_func' : self.get_model_set_code,
'func_single_only' : False,
'func_header' : '\n #### set Qt model for compatible widget types ####'},
{'the_func' : self.get_signal_connect_code,
'func_single_only' : False,
'func_header' : '\n\n #### connect widget signals to event functions ####'},
{'the_func' : self.get_update_ui_code,
'func_single_only' : True,
'func_header' : '\n\n'},
{'the_func' : self.get_view_update_code,
'func_single_only' : False,
'func_header' : ' #### update widget values from model ####'},
{'the_func' : self.get_view_def_code,
'func_single_only' : False,
'func_header' : '\n\n #### widget signal event functions ####'},
{'the_func' : self.get_ctrl_class_code,
'func_single_only' : True,
'func_header' : '\n\n\n###########################\n# ctrls\MainController.py #\n###########################\n'},
{'the_func' : self.get_ctrl_def_code,
'func_single_only' : False,
'func_header' : ' #### widget event functions ####'},
{'the_func' : self.get_model_class_code,
'func_single_only' : True,
'func_header' : '\n\n\n##################\n# model\Model.py #\n##################\n'},
{'the_func' : self.get_model_qt_model_property_code,
'func_single_only' : False,
'func_header' : ' #### properties for value of Qt model contents ####'},
{'the_func' : self.get_model_init_code,
'func_single_only' : True,
'func_header' : '\n'},
{'the_func' : self.get_model_config_code,
'func_single_only' : False,
'func_header' : ''},
{'the_func' : self.get_model_close_config_code,
'func_single_only' : True,
'func_header' : ''},
{'the_func' : self.get_model_qt_model_var_code,
'func_single_only' : False,
'func_header' : '\n\n #### create Qt models for compatible widget types ####'},
{'the_func' : self.get_model_var_code,
'func_single_only' : False,
'func_header' : '\n\n #### model variables ####'},
{'the_func' : self.get_model_update_code,
'func_single_only' : True,
'func_header' : '\n\n'},
{'the_func' : self.get_app_code,
'func_single_only' : True,
'func_header' : '\n\n##########\n# App.py #\n##########\n'},
]
self.widget_types = {
# buttons
'pushButton' : {'read_value' : 'isChecked', # method to read primary value
'write_value' : 'setChecked', # method to write primary value
'value_signal' : 'clicked', # primary signal to connect to
'value_signal_arg' : 'checked', # list of arguments sent upon primary signal event
'config_read' : 'getboolean'}, # ConfigParser method for reading value
'toolButton' : {'read_value' : 'isChecked',
'write_value' : 'setChecked',
'value_signal' : 'clicked',
'value_signal_arg' : 'checked',
'config_read' : 'getboolean'},
'radioButton' : {'read_value' : 'isChecked',
'write_value' : 'setChecked',
'value_signal' : 'toggled',
'value_signal_arg' : 'checked',
'config_read' : 'getboolean'},
'checkBox' : {'read_value' : 'isChecked',
'write_value' : 'setChecked',
'value_signal' : 'stateChanged',
'value_signal_arg' : 'state',
'config_read' : 'getboolean'},
# containers
'groupBox' : {'read_value' : None, # exists only for isEnabled/setEnabled
'write_value' : None,
'value_signal' : None,
'value_signal_arg' : None,
'config_read' : None},
'stackedWidget' : {'read_value' : 'currentIndex',
'write_value' : 'setCurrentIndex',
'value_signal' : 'currentChanged',
'value_signal_arg' : 'index',
'config_read' : 'getint'},
# input widgets
'comboBox' : {'read_value' : 'currentIndex',
'write_value' : 'setCurrentIndex',
'value_signal' : 'currentIndexChanged',
'value_signal_arg' : 'index',
'config_read' : 'getint'},
'lineEdit' : {'read_value' : 'text',
'write_value' : 'setText',
'value_signal' : 'textEdited',
'value_signal_arg' : 'text',
'config_read' : 'get'},
'textEdit' : {'read_value' : 'toPlainText',
'write_value' : 'setPlainText',
'value_signal' : 'textChanged',
'value_signal_arg' : None,
'config_read' : 'get'},
'plainTextEdit' : {'read_value' : 'toPlainText',
'write_value' : 'setPlainText',
'value_signal' : 'textChanged',
'value_signal_arg' : None,
'config_read' : 'get'},
'spinBox' : {'read_value' : 'value',
'write_value' : 'setValue',
'value_signal' : 'valueChanged',
'value_signal_arg' : 'value',
'config_read' : 'getint'},
'doubleSpinBox' : {'read_value' : 'value',
'write_value' : 'setValue',
'value_signal' : 'valueChanged',
'value_signal_arg' : 'value',
'config_read' : 'getfloat'},
'horizontalSlider' : None, # todo
'verticalSlider' : None, # todo
# display widgets
'label' : {'read_value' : 'text',
'write_value' : 'setText',
'value_signal' : None,
'value_signal_arg' : None,
'config_read' : 'get'},
'progressBar' : {'read_value' : 'value',
'write_value' : 'setValue',
'value_signal' : 'valueChanged',
'value_signal_arg' : 'value',
'config_read' : 'getint'},
# other
'action' : {'read_value' : 'isChecked',
'write_value' : 'setChecked',
'value_signal' : 'triggered',
'value_signal_arg' : 'checked',
'config_read' : 'getbool'},
'toolBar' : {'read_value' : None,
'write_value' : None,
'value_signal_arg' : None,
'value_signal' : None,
'config_read' : None},
}
def get_view_class_code(self):
return ''.join(['from PySide import QtGui\nfrom gen.ui_MainView import Ui_MainView\n\nclass MainView(QtGui.QMainWindow):'])
def get_value_property_code(self, widget_data):
return ''.join(['\n @property\n def ',
widget_data['variable_name'],
'(self):\n return self.ui.',
widget_data['widget_name'],
'.',
widget_data['func_names']['read_value'],
'()\n @',
widget_data['variable_name'],
'.setter\n def ',
widget_data['variable_name'],
'(self, value):\n self.ui.',
widget_data['widget_name'],
'.',
widget_data['func_names']['write_value'],
'(value)'])
def get_enable_property_code(self, widget_data):
return ''.join(['\n @property\n def ',
widget_data['variable_name'],
'_enabled(self):\n return self.ui.',
widget_data['widget_name'],
'.isEnabled()\n @',
widget_data['variable_name'],
'_enabled.setter\n def ',
widget_data['variable_name'],
'_enabled(self, value):\n self.ui.',
widget_data['widget_name'],
'.setEnabled(value)'])
def get_view_init_code(self):
return ''.join(['\n def __init__(self, model, main_ctrl):\n',
' self.model = model\n',
' self.main_ctrl = main_ctrl\n',
' super(MainView, self).__init__()\n',
' self.build_ui()\n',
' # register func with model for model update announcements\n',
' self.model.subscribe_update_func(self.update_ui_from_model)\n\n',
' def build_ui(self):\n',
' self.ui = Ui_MainView()\n',
' self.ui.setupUi(self)\n'])
def get_model_set_code(self, widget_data):
if widget_data['widget_name'].startswith('comboBox'):
return ''.join(['\n self.ui.',
widget_data['widget_name'],
'.setModel(self.model.',
widget_data['variable_name'],
'_model)'])
else:
return ''
def get_signal_connect_code(self, widget_data):
if widget_data['func_names']['value_signal'] is not None:
return ''.join(['\n self.ui.',
widget_data['widget_name'],
'.',
widget_data['func_names']['value_signal'],
'.connect(self.on_',
widget_data['variable_name'],
')'])
else:
return ''
def get_update_ui_code(self):
return ''.join([' def update_ui_from_model(self):\n',
" print 'DEBUG: update_ui_from_model called'\n",])
def get_view_update_code(self, widget_data):
return ''.join(['\n self.',
widget_data['variable_name'],
' = ',
'self.model.',
widget_data['variable_name']])
# todo - vary number of arguments, including having none, eg for pushbuttons.
def get_view_def_code(self, widget_data):
if widget_data['func_names']['value_signal_arg'] is not None:
# todo very hacky =(
if widget_data['widget_name'].startswith('pushButton'):
return ''.join(['\n def on_',
widget_data['variable_name'],
'(self): self.main_ctrl.change_',
widget_data['variable_name'],
'(self.',
widget_data['variable_name'],
')'])
else:
return ''.join(['\n def on_',
widget_data['variable_name'],
'(self, ',
widget_data['func_names']['value_signal_arg'],
'): self.main_ctrl.change_',
widget_data['variable_name'],
'(',
widget_data['func_names']['value_signal_arg'],
')'])
else:
return ''
def get_ctrl_class_code(self):
return ''.join(['from PySide import QtGui\n\nclass MainController(object):\n\n',
' def __init__(self, model):\n',
' self.model = model\n\n'
])
def get_ctrl_def_code(self, widget_data):
if widget_data['func_names']['value_signal_arg'] is not None:
return ''.join(['\n def change_',
widget_data['variable_name'],
'(self, ',
widget_data['func_names']['value_signal_arg'],
'):\n self.model.',
widget_data['variable_name'],
' = ',
widget_data['func_names']['value_signal_arg'],
"\n print 'DEBUG: change_",
widget_data['variable_name'],
" called with arg value:', ",
widget_data['func_names']['value_signal_arg']])
else:
return ''
def get_model_class_code(self):
return ''.join(['from PySide import QtGui\n\nclass Model(object):\n\n'])
def get_model_qt_model_property_code(self, widget_data):
if widget_data['widget_name'].startswith('comboBox'):
return ''.join(['\n @property\n def ',
widget_data['variable_name'],
'_items(self):\n return self.',
widget_data['variable_name'],
'_model.stringList()\n @',
widget_data['variable_name'],
'_items.setter\n def ',
widget_data['variable_name'],
'_items(self, value):\n self.',
widget_data['variable_name'],
'_model.setStringList(value)'])
else:
return ''
def get_model_init_code(self):
return ''.join(['\n def __init__(self):\n',
' self._update_funcs = []\n',
" self.config_section = 'settings'\n",
' self.config_options = ('])
def get_model_config_code(self, widget_data):
return ''.join(["\n ('",
widget_data['variable_name'],
"', '",
widget_data['func_names']['config_read'],
"'),"])
def get_model_close_config_code(self):
return '\n )'
# todo default values valid types, eg bool or int, etc
def get_model_var_code(self, widget_data):
return ''.join(['\n self.',
widget_data['variable_name'],
' = None'])
def get_model_qt_model_var_code(self, widget_data):
if widget_data['widget_name'].startswith('comboBox'):
return ''.join(['\n self.',
widget_data['variable_name'],
'_model = QtGui.QStringListModel()'])
else:
return ''
def get_model_update_code(self):
return ''.join([' def subscribe_update_func(self, func):\n',
' if func not in self._update_funcs:\n',
' self._update_funcs.append(func)\n\n',
' def unsubscribe_update_func(self, func):\n',
' if func in self._update_funcs:\n',
' self._update_funcs.remove(func)\n\n',
' def announce_update(self):\n',
' for func in self._update_funcs:\n',
' func()\n',])
def get_app_code(self):
return ''.join(['import sys\n',
'from PySide import QtGui\n',
'from model.Model import Model\n',
'from ctrls.MainController import MainController\n',
'from views.MainView import MainView\n\n',
'class App(QtGui.QApplication):\n',
' def __init__(self, sys_argv):\n',
' super(App, self).__init__(sys_argv)\n',
' self.model = Model()\n',
' self.main_ctrl = MainController(self.model)\n',
' self.main_view = MainView(self.model, self.main_ctrl)\n',
' self.main_view.show()\n\n',
"if __name__ == '__main__':\n",
' app = App(sys.argv)\n',
' sys.exit(app.exec_())\n\n\n'])
def process_file(self, argv):
# check, open, and read file
if len(argv) > 1:
if os.path.exists(argv[1]):
widget_names = []
with open(argv[1], 'r') as thefile:
for line in thefile:
widget_names.append(line.strip())
else:
raise Exception('FILE NOT FOUND.')
else:
raise Exception('NO ARGUMENT GIVEN, NEED A FILE TO PROCESS.')
# gather data for each widget name
widget_data = []
for widget_name in widget_names:
if (len(widget_name) > 0 and
not widget_name.startswith('#') and
'_' in widget_name):
widget_type, variable_name = widget_name.split('_', 1)
if widget_type in self.widget_types:
widget_data.append({'widget_name' : widget_name,
'variable_name' : variable_name,
'func_names' : self.widget_types[widget_type]})
else:
print 'WARNING: UNKNOWN WIDGET TYPE:', widget_type
# get generated code
output = []
for func in self.ordered_funcs:
# add heading
output.append(func['func_header'])
# if func is called once in total
if func['func_single_only']:
output.append(func['the_func']())
# or called once for each widget
else:
for data in widget_data:
# code
output.append(func['the_func'](data))
# write to new file
with open(argv[1] + '.py', 'w') as thefile:
thefile.write(''.join(output))
if __name__ == '__main__':
WidgetCodeGenerator().process_file(sys.argv)