GeezerVison

Sourced from pyparsing's changelog.

Version 3.3.3 - in development

• Added support for Python 3.15.

• Parse actions that return a tuple value for a named expression formerly saved just the first value of the tuple. Now they return the entire tuple. Partially fixes Issue #401, PR #640 submitted by Vincent Gao et AI.

• Fixed CI unit test jobs selecting a tox environment with no test commands. The matrix and fallback now select py-unit, as diagnosed and proposed by glaziermag in issue #662; submitted by Neal Lin et AI.

• Fixed Dict returning an empty nested ParseResults.as_dict() as [] instead of {}. Incorporates partial solution submitted in PR #635 submitted by Leo Ji.

  Additional fixes found as part of this work:

  • Removed vestigial unused ParseResults._modal attribute.

  • Fixed incidental bug when Dict tries to create a dict with a ParseResults value for a key (not hashable).

• Fixed Word(..., max=n) raising instead of matching up to max characters when the character set contained whitespace - Word(nums, max=3) and Word(nums + " ", max=3) gave opposite results on the same input. Now both forms match up to max and leave the rest for the next parser. PR #646 submitted by Andrew Chen et AI.

• Fixed QuotedString stripping whitespace that is part of a multi-character quote delimiter, e.g. the leading newline in QuotedString("\n;", multiline=True). The delimiter was silently collapsed to ";", so the newline was ignored when matching. QuotedString now only rejects quote_char/end_quote_char values that are empty or entirely whitespace, and preserves any surrounding whitespace that is part of a valid delimiter. Reported in issue #492.

• Fixed pyparsing_common.as_datetime raising Invalid date/time: microsecond must be in 0..999999 for valid ISO-8601 timestamps whose fractional seconds round up to a full second (e.g. 2021-06-15T12:30:59.9999995, common in nanosecond-precision timestamps). The rounded microseconds are now added via timedelta so the value carries into the next second instead of overflowing the datetime microsecond argument. PR submitted by Andrew Chen et AI.

• Fixed debug output corruption when a parsed line contains a carriage return or other control character. set_debug() printed the source line verbatim, so a stray \r returned the terminal cursor to column 0 and overwrote the "Match ... at loc" text. Control characters in the debug line are now shown escaped, and the marker caret stays aligned with the match location. Issue #496, reported by Matthew Rowles.

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• d90d38b Update flit version and exclusion of generated railroad diagrams from source ...
• 4220992 Updated CI to execute unit tests, PR #663; update test_unit.py to add test ca...
• e266043 Reworked internal recursive implementations to use local stack vars or iterat...
• fa24016 Sync regex_inverter example from pyparsing
• ea22046 Updates to regex_inverter example: handle cancel during long max_results inte...
• 7df5c09 Sync regex_inverter example from pyparsing
• e862afa Add Regular Expressions Quick Reference to regex_inverter/index.html
• 6fdbd88 Sync regex_inverter example from pyparsing
• 5b33045 Add note in the regex inverter that only the 7-bit ASCII characters are used ...
• e403f2c Merge branch 'master' of https://github.com/pyparsing/pyparsing
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