Some more pyscripting tweaks. Fixed issue with capturing ppaged output. Added pyscript bridge to ipy command. Saving progress.

Author: anselor

cmd2/cmd2.py

@@ -2927,9 +2927,21 @@ def do_ipy(self, arg):
             Run python code from external files with ``run filename.py``
             End with ``Ctrl-D`` (Unix) / ``Ctrl-Z`` (Windows), ``quit()``, '`exit()``.
             """
-            banner = 'Entering an embedded IPython shell type quit() or <Ctrl>-d to exit ...'
-            exit_msg = 'Leaving IPython, back to {}'.format(sys.argv[0])
-            embed(banner1=banner, exit_msg=exit_msg)
+            from .pyscript_bridge import PyscriptBridge
+            bridge = PyscriptBridge(self)
+
+            if self.locals_in_py:
+                def load_ipy(self, app):
+                    banner = 'Entering an embedded IPython shell type quit() or <Ctrl>-d to exit ...'
+                    exit_msg = 'Leaving IPython, back to {}'.format(sys.argv[0])
+                    embed(banner1=banner, exit_msg=exit_msg)
+                load_ipy(self, bridge)
+            else:
+                def load_ipy(app):
+                    banner = 'Entering an embedded IPython shell type quit() or <Ctrl>-d to exit ...'
+                    exit_msg = 'Leaving IPython, back to {}'.format(sys.argv[0])
+                    embed(banner1=banner, exit_msg=exit_msg)
+                load_ipy(bridge)
 
     history_parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter)
     history_parser_group = history_parser.add_mutually_exclusive_group()

cmd2/pyscript_bridge.py

@@ -55,22 +55,35 @@ def read(self):
     def clear(self):
         self.buffer = ''
 
+    def __getattr__(self, item):
+        if item in self.__dict__:
+            return self.__dict__[item]
+        else:
+            return getattr(self.inner_stream, item)
+
 
 def _exec_cmd(cmd2_app, func):
     """Helper to encapsulate executing a command and capturing the results"""
     copy_stdout = CopyStream(sys.stdout)
     copy_stderr = CopyStream(sys.stderr)
 
+    copy_cmd_stdout = CopyStream(cmd2_app.stdout)
+
     cmd2_app._last_result = None
 
-    with redirect_stdout(copy_stdout):
-        with redirect_stderr(copy_stderr):
-            func()
+    try:
+        cmd2_app.stdout = copy_cmd_stdout
+        with redirect_stdout(copy_stdout):
+            with redirect_stderr(copy_stderr):
+                func()
+    finally:
+        cmd2_app.stdout = copy_cmd_stdout.inner_stream
 
     # if stderr is empty, set it to None
     stderr = copy_stderr if copy_stderr.buffer else None
 
-    result = CommandResult(stdout=copy_stdout.buffer, stderr=stderr, data=cmd2_app._last_result)
+    outbuf = copy_cmd_stdout.buffer if copy_cmd_stdout.buffer else copy_stdout.buffer
+    result = CommandResult(stdout=outbuf, stderr=stderr, data=cmd2_app._last_result)
     return result