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Description:

asstaganalyzer 0.0.4

AssTagAnalyzer
Tag analyzer for Advanced SubStation Alpha file.
This tool allows to parse .ass tag and manipulate them.
Installation and Update
pip install ass-tag-analyzer

Example
from ass_tag_analyzer import parse_line, ass_item_to_text, Format, AssTagFontName, AssValidTagFontName, AssInvalidTagFontName

# Parse an .ass line
line = parse_line(r"{\an7\pos(158,501)\fnArial\bord0.155884}Example")
print(line)

# Convert line to text
print(ass_item_to_text(line))

# Change how to convert float to string
Format.format_float = lambda number: round(number)

# Reconvert line to text. See how the \bord result is different
print(ass_item_to_text(line))

# Search an tag
for ass_item in line:
if isinstance(ass_item, AssTagFontName):
if isinstance(ass_item, AssValidTagFontName):
print(f'An \\fn tag has been found and the value is "{ass_item.name}"')

elif isinstance(ass_item, AssInvalidTagFontName):
# You need to get the style that is applied on the line.
pass

Result
[
AssTagListOpening(),
AssValidTagAlignment(is_legacy_tag=False, _AssValidTagAlignment__alignment=<Alignment.TOP_LEFT: 7>),
AssValidTagPosition(x=158.0, y=501.0),
AssValidTagFontName(_AssValidTagFontName__name='Arial'),
AssValidTagBorder(_AssValidTagBorder__size=0.155884),
AssTagListEnding(),
AssText(text='Example')
]
{\an7\pos(158,501)\fnArial\bord0.156}Example
{\an7\pos(158,501)\fnArial\bord0}Example
An \fn tag has been found and the value is "Arial"

Dependencies

Python 3.8 or more

Acknowledgments

ass_tag_parser I used his library to create mine. I got a lot of inspiration from his work.