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Updates how barcodes are detected, using pikepdf images, instead of converting each page to an image

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This commit is contained in:
Trenton Holmes
2022-09-14 11:49:22 -07:00
committed by Trenton H
parent d9b345ffd9
commit b21f64de8a
5 changed files with 178 additions and 179 deletions
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42
src/documents/tasks.py
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@@ -96,29 +96,13 @@ def consume_file(
# check for separators in current document
if settings.CONSUMER_ENABLE_BARCODES:
mime_type = barcodes.get_file_mime_type(path)
pdf_filepath, separators = barcodes.scan_file_for_separating_barcodes(path)
if not barcodes.supported_file_type(mime_type):
# if not supported, skip this routine
logger.warning(
f"Unsupported file format for barcode reader: {str(mime_type)}",
if separators:
logger.debug(
f"Pages with separators found in: {str(path)}",
)
else:
separators = []
document_list = []
if mime_type == "image/tiff":
file_to_process = barcodes.convert_from_tiff_to_pdf(path)
else:
file_to_process = path
separators = barcodes.scan_file_for_separating_barcodes(file_to_process)
if separators:
logger.debug(
f"Pages with separators found in: {str(path)}",
)
document_list = barcodes.separate_pages(file_to_process, separators)
document_list = barcodes.separate_pages(pdf_filepath, separators)
if document_list:
for n, document in enumerate(document_list):
@@ -134,15 +118,13 @@ def consume_file(
target_dir=path.parent,
)
# if we got here, the document was successfully split
# and can safely be deleted
if mime_type == "image/tiff":
# Remove the TIFF converted to PDF file
logger.debug(f"Deleting file {file_to_process}")
os.unlink(file_to_process)
# Remove the original file (new file is saved above)
logger.debug(f"Deleting file {path}")
os.unlink(path)
# Delete the PDF file which was split
os.remove(pdf_filepath)
# If the original was a TIFF, remove the original file as well
if str(pdf_filepath) != str(path):
logger.debug(f"Deleting file {path}")
os.unlink(path)
# notify the sender, otherwise the progress bar
# in the UI stays stuck