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Enhance type guessing.

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This commit is contained in:
Adam Fourney
2025-03-10 16:05:41 -07:00
parent 8f8e58c9bb
commit 2e51ba22e7
1 changed files with 19 additions and 2 deletions
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21
packages/markitdown/src/markitdown/_markitdown.py
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@@ -569,6 +569,23 @@ class MarkItDown:
"""
guesses: List[StreamInfo] = []
# Enhance the base guess with information based on the extension or mimetype
enhanced_guess = base_guess.copy_and_update()
# If there's an extension and no mimetype, try to guess the mimetype
if base_guess.mimetype is None and base_guess.extension is not None:
_m, _ = mimetypes.guess_type(
"placeholder" + base_guess.extension, strict=False
)
if _m is not None:
enhanced_guess = enhanced_guess.copy_and_update(mimetype=_m)
# If there's a mimetype and no extension, try to guess the extension
if base_guess.mimetype is not None and base_guess.extension is None:
_e = mimetypes.guess_all_extensions(base_guess.mimetype, strict=False)
if len(_e) > 0:
enhanced_guess = enhanced_guess.copy_and_update(extension=_e[0])
# Call magika to guess from the stream
cur_pos = file_stream.tell()
try:
@@ -624,7 +641,7 @@ class MarkItDown:
)
else:
# The magika guess was incompatible with the base guess, so add both guesses
guesses.append(base_guess)
guesses.append(enhanced_guess)
guesses.append(
StreamInfo(
mimetype=result.prediction.output.mime_type,
@@ -637,7 +654,7 @@ class MarkItDown:
)
else:
# There were no other guesses, so just add the base guess
guesses.append(base_guess)
guesses.append(enhanced_guess)
finally:
file_stream.seek(cur_pos)