Changelog

v0.5.1 (2023-10-04)

Support Python 3.8 through 3.12
Drop support for Python 2.7, 3.4, 3.5, and 3.6
Removed scan_file(), scan_lines(), HeaderParser.parse_file(), and HeaderParser.parse_lines() (all deprecated in v0.4.0)
Type annotations added
The scanner options to the scanner functions are now keyword-only
scan() and scan_stanzas() can now parse strings directly. As a result, scan_string() and scan_stanzas_string() are now deprecated.
The HeaderParser methods parse() and parse_stanzas() can now parse strings directly. As a result, the parse_string() and parse_stanzas_string() methods are now deprecated.
Added a Scanner class with methods for scanning a shared input. As a result, the following are now deprecated:

Added a scan() function combining the behavior of scan_file() and scan_lines(), which are now deprecated
Gave HeaderParser a parse() method combining the behavior of parse_file() and parse_lines(), which are now deprecated
Added scan_next_stanza() and scan_next_stanza_string() functions for scanning & consuming input only up to the end of the first header section
Added scan_stanzas() and scan_stanzas_string() functions for scanning input composed entirely of multiple stanzas/header sections
Gave HeaderParser parse_next_stanza() and parse_next_stanza_string() methods for parsing & consuming input only up to the end of the first header section
Gave HeaderParser parse_stanzas() and parse_stanzas_string() methods for parsing input composed entirely of multiple stanzas/header sections

Drop support for Python 3.3
Gave HeaderParser and the scanner functions options for configuring scanning behavior:
- separator_regex
- skip_leading_newlines
Fixed a DeprecationWarning in Python 3.7

NormalizedDict’s default normalizer (exposed as the lower() function) now passes non-strings through unchanged
HeaderParser instances can now be compared for non-identity equality
HeaderParser.add_field() and HeaderParser.add_additional() now take an optional action argument for customizing the parser’s behavior when a field is encountered
Made the unfold() function public

Initial release