Bringing up to date with VisPyCanvas. Mostly migration of Tcl commands to new architecture.

tclCommands/TclCommandOpenProject.py

@@ -0,0 +1,47 @@
+from ObjectCollection import *
+import TclCommand
+
+
+class TclCommandOpenProject(TclCommand.TclCommandSignaled):
+    """
+    Tcl shell command to open a FlatCAM project.
+    """
+
+    # array of all command aliases, to be able use  old names for backward compatibility (add_poly, add_polygon)
+    aliases = ['open_project']
+
+    # Dictionary of types from Tcl command, needs to be ordered.
+    # For positional arguments
+    arg_names = collections.OrderedDict([
+        ('filename', str)
+    ])
+
+    # Dictionary of types from Tcl command, needs to be ordered.
+    # For options like -optionname value
+    option_types = collections.OrderedDict([
+
+    ])
+
+    # array of mandatory options for current Tcl command: required = {'name','outname'}
+    required = ['filename']
+
+    # structured help for current command, args needs to be ordered
+    help = {
+        'main': "Opens a FlatCAM project.",
+        'args': collections.OrderedDict([
+            ('filename', 'Path to file to open.'),
+        ]),
+        'examples': []
+    }
+
+    def execute(self, args, unnamed_args):
+        """
+        execute current TCL shell command
+
+        :param args: array of known named arguments and options
+        :param unnamed_args: array of other values which were passed into command
+            without -somename and  we do not have them in known arg_names
+        :return: None or exception
+        """
+
+        self.app.open_project(args['filename'])