From 8851083a3e97ae7449ff459aef3cf0453df98f49 Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Sun, 13 Sep 2020 06:38:15 -0400
Subject: [PATCH] remove limnoria/supybot

---
 irctest/cases.py                    |  5 ++--
 irctest/irc_utils/junkdrawer.py     | 36 +++++++++++++++++++++++++++++
 irctest/irc_utils/message_parser.py |  5 ++--
 requirements.txt                    |  1 -
 4 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/irctest/cases.py b/irctest/cases.py
index 74c3281..91565d5 100644
--- a/irctest/cases.py
+++ b/irctest/cases.py
@@ -5,12 +5,11 @@ import tempfile
 import unittest
 import functools
 
-import supybot.utils
-
 from . import runner
 from . import client_mock
 from .irc_utils import capabilities
 from .irc_utils import message_parser
+from .irc_utils.junkdrawer import normalizeWhitespace
 from .irc_utils.sasl import sasl_plain_blob
 from .exceptions import ConnectionClosed
 from .specifications import Specifications
@@ -23,7 +22,7 @@ class _IrcTestCase(unittest.TestCase):
         method_doc = self._testMethodDoc
         if not method_doc:
             return ''
-        return '\t'+supybot.utils.str.normalizeWhitespace(
+        return '\t'+normalizeWhitespace(
                 method_doc,
                 removeNewline=False,
                 ).strip().replace('\n ', '\n\t')
diff --git a/irctest/irc_utils/junkdrawer.py b/irctest/irc_utils/junkdrawer.py
index 64b9908..25b4ac5 100644
--- a/irctest/irc_utils/junkdrawer.py
+++ b/irctest/irc_utils/junkdrawer.py
@@ -1,4 +1,5 @@
 import datetime
+import re
 from collections import namedtuple
 
 HistoryMessage = namedtuple('HistoryMessage', ['time', 'msgid', 'target', 'text'])
@@ -11,3 +12,38 @@ IRCV3_FORMAT_STRFTIME = "%Y-%m-%dT%H:%M:%S.%f%z"
 
 def ircv3_timestamp_to_unixtime(timestamp):
     return datetime.datetime.strptime(timestamp, IRCV3_FORMAT_STRFTIME).timestamp()
+
+"""
+Stolen from supybot:
+"""
+
+class MultipleReplacer:
+    """Return a callable that replaces all dict keys by the associated
+    value. More efficient than multiple .replace()."""
+
+    # We use an object instead of a lambda function because it avoids the
+    # need for using the staticmethod() on the lambda function if assigning
+    # it to a class in Python 3.
+    def __init__(self, dict_):
+        self._dict = dict_
+        dict_ = dict([(re.escape(key), val) for key,val in dict_.items()])
+        self._matcher = re.compile('|'.join(dict_.keys()))
+    def __call__(self, s):
+        return self._matcher.sub(lambda m: self._dict[m.group(0)], s)
+
+def normalizeWhitespace(s, removeNewline=True):
+    r"""Normalizes the whitespace in a string; \s+ becomes one space."""
+    if not s:
+        return str(s) # not the same reference
+    starts_with_space = (s[0] in ' \n\t\r')
+    ends_with_space = (s[-1] in ' \n\t\r')
+    if removeNewline:
+        newline_re = re.compile('[\r\n]+')
+        s = ' '.join(filter(bool, newline_re.split(s)))
+    s = ' '.join(filter(bool, s.split('\t')))
+    s = ' '.join(filter(bool, s.split(' ')))
+    if starts_with_space:
+        s = ' ' + s
+    if ends_with_space:
+        s += ' '
+    retur
diff --git a/irctest/irc_utils/message_parser.py b/irctest/irc_utils/message_parser.py
index 55876df..f5a3287 100644
--- a/irctest/irc_utils/message_parser.py
+++ b/irctest/irc_utils/message_parser.py
@@ -1,6 +1,7 @@
 import re
 import collections
-import supybot.utils
+
+from .junkdrawer import MultipleReplacer
 
 # http://ircv3.net/specs/core/message-tags-3.2.html#escaping-values
 TAG_ESCAPE = [
@@ -10,7 +11,7 @@ TAG_ESCAPE = [
     ('\r', r'\r'),
     ('\n', r'\n'),
     ]
-unescape_tag_value = supybot.utils.str.MultipleReplacer(
+unescape_tag_value = MultipleReplacer(
         dict(map(lambda x:(x[1],x[0]), TAG_ESCAPE)))
 
 # TODO: validate host
diff --git a/requirements.txt b/requirements.txt
index d18fa09..17a6d04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-limnoria > 2012.08.04 # Needs MultipleReplacer, from 1a64f105
 psutil >= 3.1.0 # Fixes #640
 ecdsa
 pyxmpp2_scram