diff options
Diffstat (limited to 'Lib/idlelib/CallTips.py')
| -rw-r--r-- | Lib/idlelib/CallTips.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/Lib/idlelib/CallTips.py b/Lib/idlelib/CallTips.py index 7a3fe13..fa43032 100644 --- a/Lib/idlelib/CallTips.py +++ b/Lib/idlelib/CallTips.py @@ -1,9 +1,10 @@ """CallTips.py - An IDLE Extension to Jog Your Memory -Call Tips are floating windows which display function/method parameter -information as you open the parameter parenthesis, and which disappear when you -type the closing parenthesis. Future plans include extending the functionality -to include class attributes. +Call Tips are floating windows which display function, class, and method +parameter and docstring information when you type an opening parenthesis, and +which disappear when you type a closing parenthesis. + +Future plans include extending the functionality to include class attributes. """ import sys @@ -82,8 +83,21 @@ class CallTips: return str[i:] def fetch_tip(self, name): - interp = self.editwin and self.editwin.flist.pyshell.interp - rpcclt = interp and interp.rpcclt + """Return the argument list and docstring of a function or class + + If there is a Python subprocess, get the calltip there. Otherwise, + either fetch_tip() is running in the subprocess itself or it was called + in an IDLE EditorWindow before any script had been run. + + The subprocess environment is that of the most recently run script. If + two unrelated modules are being edited some calltips in the current + module may be inoperative if the module was not the last to run. + + """ + try: + rpcclt = self.editwin.flist.pyshell.interp.rpcclt + except: + rpcclt = None if rpcclt: return rpcclt.remotecall("exec", "get_the_calltip", (name,), {}) @@ -92,6 +106,7 @@ class CallTips: return get_arg_text(entity) def get_entity(self, name): + "Lookup name in a namespace spanning sys.modules and __main.dict__" if name: namespace = sys.modules.copy() namespace.update(__main__.__dict__) @@ -112,7 +127,7 @@ def _find_constructor(class_ob): return None def get_arg_text(ob): - # Get a string describing the arguments for the given object. + "Get a string describing the arguments for the given object" argText = "" if ob is not None: argOffset = 0 |