From c69876f58fbdc5bec01a64c3898f1db406d084c1 2019-04-26 03:45:34 From: zzzz-qq Date: 2019-04-26 03:45:34 Subject: [PATCH] Lazy load unicode names --- diff --git a/IPython/core/completer.py b/IPython/core/completer.py index ad4f971..262a65b 100644 --- a/IPython/core/completer.py +++ b/IPython/core/completer.py @@ -168,12 +168,6 @@ MATCHES_LIMIT = 500 _deprecation_readline_sentinel = object() -names = [] -for c in range(0,0x10FFFF + 1): - try: - names.append(unicodedata.name(chr(c))) - except ValueError: - pass class ProvisionalCompleterWarning(FutureWarning): """ @@ -998,6 +992,8 @@ def _make_signature(completion)-> str: class IPCompleter(Completer): """Extension of the completer class with IPython-specific features""" + _names = None + @observe('greedy') def _greedy_changed(self, change): """update the splitter and readline delims when greedy is changed""" @@ -2073,14 +2069,21 @@ class IPCompleter(Completer): return text, _matches, origins, completions def fwd_unicode_match(self, text:str) -> Tuple[str, list]: - # initial code based on latex_matches() method + if self._names is None: + self._names = [] + for c in range(0,0x10FFFF + 1): + try: + self._names.append(unicodedata.name(chr(c))) + except ValueError: + pass + slashpos = text.rfind('\\') # if text starts with slash if slashpos > -1: s = text[slashpos+1:] - candidates = [x for x in names if x.startswith(s)] + candidates = [x for x in self._names if x.startswith(s)] if candidates: - return s, [x for x in names if x.startswith(s)] + return s, candidates else: return '', ()