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pyparsing v4.7 Release Notes

• 🔖 Version 2.4.7 - April, 2020

  • 🛠 Backport of selected fixes from 3.0.0 work:
    . Each bug with Regex expressions
    . And expressions not properly constructing with generator
    . 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

Previous changes from v4.6

• 🔖 Version 2.4.6 - December, 2019

  🛠 Fixed typos in White mapping of whitespace characters, to use
  correct "\u" prefix instead of "u".

  🛠 Fix bug in left-associative ternary operators defined using
  infixNotation. First reported on StackOverflow by user Jeronimo.

  ✅ Backport of pyparsing_test namespace from 3.0.0, including
  ✅ TestParseResultsAsserts mixin class defining unittest-helper
  methods:
  📜 . def assertParseResultsEquals(
  self, result, expected_list=None, expected_dict=None, msg=None)
  📜 . def assertParseAndCheckList(
  self, expr, test_string, expected_list, msg=None, verbose=True)
  📜 . def assertParseAndCheckDict(
  self, expr, test_string, expected_dict, msg=None, verbose=True)
  ✅ . def assertRunTestResults(
  ✅ self, run_tests_report, expected_parse_results=None, msg=None)
  👀 . def assertRaisesParseException(self, exc_type=ParseException, msg=None)

  ✅ To use the methods in this mixin class, declare your unittest classes as:

  ✅ from pyparsing import pyparsing_test as ppt
  ✅ class MyParserTest(ppt.TestParseResultsAsserts, unittest.TestCase):
  ...

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