From 5867f08bf1c6bd9866321e148bf941c0ae0dbfa0 Mon Sep 17 00:00:00 2001 From: Lance Stout Date: Thu, 26 Jul 2012 23:35:23 -0700 Subject: Improve docs and fix typo in stringprep profiles. --- sleekxmpp/util/stringprep_profiles.py | 41 ++++++++++++++++++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) diff --git a/sleekxmpp/util/stringprep_profiles.py b/sleekxmpp/util/stringprep_profiles.py index 6844c9ac..08278d6c 100644 --- a/sleekxmpp/util/stringprep_profiles.py +++ b/sleekxmpp/util/stringprep_profiles.py @@ -1,3 +1,19 @@ +# -*- coding: utf-8 -*- +""" + sleekxmpp.util.stringprep_profiles + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + This module makes it easier to define profiles of stringprep, + such as nodeprep and resourceprep for JID validation, and + SASLprep for SASL. + + Part of SleekXMPP: The Sleek XMPP Library + + :copyright: (c) 2012 Nathanael C. Fritz, Lance J.T. Stout + :license: MIT, see LICENSE for more details +""" + + from __future__ import unicode_literals import sys @@ -10,6 +26,7 @@ class StringPrepError(UnicodeError): def to_unicode(data): + """Ensure that a given string is Unicode, regardless of Python version.""" if sys.version_info < (3, 0): return unicode(data) else: @@ -17,10 +34,12 @@ def to_unicode(data): def b1_mapping(char): - return '' if stringprep.in_table_c12(char) else None + """Map characters that are commonly mapped to nothing.""" + return '' if stringprep.in_table_b1(char) else None def c12_mapping(char): + """Map non-ASCII whitespace to spaces.""" return ' ' if stringprep.in_table_c12(char) else None @@ -102,6 +121,26 @@ def check_bidi(data): def create(nfkc=True, bidi=True, mappings=None, prohibited=None, unassigned=None): + """Create a profile of stringprep. + + :param bool nfkc: + If `True`, perform NFKC Unicode normalization. Defaults to `True`. + :param bool bidi: + If `True`, perform bidirectional text checks. Defaults to `True`. + :param list mappings: + Optional list of functions for mapping characters to + suitable replacements. + :param list prohibited: + Optional list of functions which check for the presence of + prohibited characters. + :param list unassigned: + Optional list of functions for detecting the use of unassigned + code points. + + :raises: StringPrepError + :return: Unicode string of the resulting text passing the + profile's requirements. + """ def profile(data, query=False): try: data = to_unicode(data) -- cgit v1.2.3