Backport FutureWarning fix (regex with nested set), and runTests refo…

…rmat
pyparsing · Mar 30, 2020 · 6a844ee · 6a844ee
1 parent efc7009
commit 6a844ee
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diff --git a/CHANGES b/CHANGES
@@ -10,6 +10,8 @@ Version 2.4.7 - March, 2020
   . Traceback abbreviation
   . Bug in delta_time example
   . Fix regexen in pyparsing_common.real and .sci_real
+  . Avoid FutureWarning on Python 3.7 or later
+  . Cleanup output in runTests if comments are embedded in test string
 
 
 Version 2.4.6 - December, 2019

diff --git a/pyparsing.py b/pyparsing.py
@@ -96,7 +96,7 @@
 """
 
 __version__ = "2.4.7"
-__versionTime__ = "04 Mar 2020 02:48 UTC"
+__versionTime__ = "30 Mar 2020 00:43 UTC"
 __author__ = "Paul McGuire <ptmcg@users.sourceforge.net>"
 
 import string
@@ -2740,7 +2740,7 @@ def runTests(self, tests, parseAll=True, comment='#',
                 continue
             if not t:
                 continue
-            out = ['\n'.join(comments), t]
+            out = ['\n' + '\n'.join(comments) if comments else '', t]
             comments = []
             try:
                 # convert newline marks to actual newlines, and strip leading BOM if present
@@ -5452,8 +5452,8 @@ def mustMatchTheseTokens(s, l, t):
     return rep
 
 def _escapeRegexRangeChars(s):
-    # ~  escape these chars: ^-]
-    for c in r"\^-]":
+    # ~  escape these chars: ^-[]
+    for c in r"\^-[]":
         s = s.replace(c, _bslash + c)
     s = s.replace("\n", r"\n")
     s = s.replace("\t", r"\t")