Fix #168: Create readonly mode

Author: jyapayne

command_line.py

@@ -66,6 +66,8 @@ def __init__(self, quiet=False):
         self._extract_error = ''
         self._project_name = None
         self.original_packagejson = {}
+        self.readonly = True
+        self.update_json = True
 
     def init(self):
         self.logger = config.logger
@@ -645,18 +647,21 @@ def write_package_json(self):
 
         global_json = utils.get_data_file_path(config.GLOBAL_JSON_FILE)
 
-        # Write package json
-        if self.output_package_json:
-            with codecs.open(json_file, 'w+', encoding='utf-8') as f:
-                f.write(self.generate_project_json())
+        if not self.readonly and self.update_json:
+            # Write package json
+            if self.output_package_json:
+                with codecs.open(json_file, 'w+', encoding='utf-8') as f:
+                    f.write(self.generate_project_json())
+
+        if self.update_json:
             with codecs.open(w2e_json_file,
                              'w+', encoding='utf-8') as f:
                 f.write(self.generate_web2exe_json())
 
-        # Write global settings that are kept when installing new
-        # versions
-        with codecs.open(global_json, 'w+', encoding='utf-8') as f:
-            f.write(self.generate_web2exe_json(global_json=True))
+            # Write global settings that are kept when installing new
+            # versions
+            with codecs.open(global_json, 'w+', encoding='utf-8') as f:
+                f.write(self.generate_web2exe_json(global_json=True))
 
     def clean_dirs(self, *dirs):
         """

main.py

@@ -106,6 +106,7 @@ def __init__(self, width, height, app, parent=None):
         self.original_packagejson = {}
 
         self.thread = None
+        self.readonly = False
 
         self.recent_file_actions = []
         self.project_path = ''
@@ -164,10 +165,19 @@ def __init__(self, width, height, app, parent=None):
     def setup_project_menu(self):
         """Set up the project menu bar with actions."""
         self.project_menu = self.menuBar().addMenu('File')
+        self.edit_menu = self.menuBar().addMenu('Edit')
+
         browse_action = QtGui.QAction('Open Project', self.project_menu,
                                       shortcut=QtGui.QKeySequence.Open,
                                       statusTip='Open an existing or new project.',
                                       triggered=self.browse_dir)
+
+        toggle_readonly_action = QtGui.QAction('Toggle Readonly', self.edit_menu,
+                                               shortcut="Ctrl+R",
+                                               statusTip='Toggle Readonly',
+                                               triggered=self.toggle_readonly)
+
+        self.edit_menu.addAction(toggle_readonly_action)
         self.project_menu.addAction(browse_action)
         self.project_menu.addSeparator()
 
@@ -269,6 +279,12 @@ def add_widgets_to_main_layout(self):
         self.main_layout.addWidget(self.tab_widget)
         self.main_layout.addLayout(self.download_bar_widget)
 
+    def toggle_readonly(self):
+        self.readonly = not self.readonly
+
+        self.app_settings_widget.setEnabled(not self.readonly)
+        self.win_settings_widget.setEnabled(not self.readonly)
+
     def option_settings_enabled(self, is_enabled):
         """
         Set all settings widgets to either be enabled or disabled.
@@ -279,6 +295,9 @@ def option_settings_enabled(self, is_enabled):
         self.ex_button.setEnabled(is_enabled)
         self.app_settings_widget.setEnabled(is_enabled)
         self.win_settings_widget.setEnabled(is_enabled)
+        if self.readonly:
+            self.app_settings_widget.setEnabled(False)
+            self.win_settings_widget.setEnabled(False)
         self.ex_settings_widget.setEnabled(is_enabled)
         self.comp_settings_widget.setEnabled(is_enabled)
         self.dl_settings_widget.setEnabled(is_enabled)
@@ -926,9 +945,10 @@ def browse_dir(self):
         if directory:
             self.load_project(directory)
 
-    def load_project(self, directory):
+    def load_project(self, directory, readonly=False):
         """Load a new project from a directory."""
         self.update_json = False
+        self.readonly = readonly
         self.project_path = directory
 
         utils.save_recent_project(directory)
@@ -1481,21 +1501,7 @@ def setting_changed(self, obj, setting, *args):
             if callable(action):
                 action()
 
-        # Generate json file
-        if self.update_json:
-            json_file = utils.path_join(self.project_dir(), 'package.json')
-            w2e_json_file = utils.path_join(self.project_dir(), config.WEB2EXE_JSON_FILE)
-            global_json = utils.get_data_file_path(config.GLOBAL_JSON_FILE)
-
-            with codecs.open(json_file, 'w+', encoding='utf-8') as f:
-                f.write(self.generate_project_json())
-
-            with codecs.open(w2e_json_file,
-                             'w+', encoding='utf-8') as f:
-                f.write(self.generate_web2exe_json())
-
-            with codecs.open(global_json, 'w+', encoding='utf-8') as f:
-                f.write(self.generate_web2exe_json(global_json=True))
+        self.write_package_json()
 
         self.ex_button.setEnabled(self.required_settings_filled())
 

util_classes.py

@@ -36,11 +36,15 @@ def __init__(self, recent_projects, directory_callback, parent=None):
 
         self.cancel = QtGui.QPushButton('Cancel')
         self.open = QtGui.QPushButton('Open Selected')
+        self.open_readonly = QtGui.QPushButton('Open Read-only')
         self.browse = QtGui.QPushButton('Browse...')
 
         self.open.setEnabled(False)
         self.open.clicked.connect(self.open_clicked)
 
+        self.open_readonly.setEnabled(False)
+        self.open_readonly.clicked.connect(self.open_readonly_clicked)
+
         self.browse.clicked.connect(self.browse_clicked)
 
         buttons = QtGui.QWidget()
@@ -49,6 +53,7 @@ def __init__(self, recent_projects, directory_callback, parent=None):
         button_layout.addWidget(self.cancel)
         button_layout.addWidget(QtGui.QWidget())
         button_layout.addWidget(self.browse)
+        button_layout.addWidget(self.open_readonly)
         button_layout.addWidget(self.open)
 
         buttons.setLayout(button_layout)
@@ -76,8 +81,14 @@ def open_clicked(self):
         self.callback(self.projects[pos])
         self.close()
 
+    def open_readonly_clicked(self):
+        pos = self.project_list.currentRow()
+        self.callback(self.projects[pos], readonly=True)
+        self.close()
+
     def project_clicked(self, _):
         self.open.setEnabled(True)
+        self.open_readonly.setEnabled(True)
 
     def cancelled(self):
         self.close()