pankrat/pdf-ocr-overlay

Simple way to make scanned PDFs searchable

pdf-ocr-overlay's Issues

Getting Error as No such file or directory: '/tmp/tmp8mXOjp/-000.html'

16:48:06 [INFO] OCR complete. Merge pages into 'output.pdf'
Exception in thread Thread-1:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "./ocr.py", line 174, in process_page
ocr_page(image, lang=lang, width=width, height=height)
File "./ocr.py", line 155, in ocr_page
html = os.open(hocr, os.O_RDONLY)
OSError: [Errno 2] No such file or directory: '/tmp/tmp8mXOjp/-000.html'

FileNotFoundError

Traceback (most recent call last):
File "ocr.py", line 236, in
for name, version in system_info():
File "ocr.py", line 55, in system_info
pdfimages = Popen(['pdfimages', '-v'], stderr=PIPE).communicate()[1]
File "C:\Python37\lib\subprocess.py", line 756, in init
restore_signals, start_new_session)
File "C:\Python37\lib\subprocess.py", line 1155, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified

Missing dependencies, wrong call to commands and ungraceful crash; fails to recognize AutoCAD pdf output

Using it under Ubuntu 14.04.3 server.

• The readme should mention it requires either Imagemaick or Graphicsmagick, both provide the needed identity command (line 72).
• If using the Graphicsmagick package, the correct option call is '-version', only one hyphen. This applies both for identity as well as for convert (line 75)

*It fails to recognize an AutoCAD pdf and crashes. Should die gracefully instead, if not able to process the file. Output follows:

[email protected][21:40]:~/Test$~/pdfocroverlay/pdf-ocr-overlay-master/ocr.py M101.pdf M101-searchable-pdfocroverlay.pdf
21:41:26 [INFO] pdfimages   : pdfimages version 0.24.5
21:41:26 [INFO] tesseract   : tesseract 3.03
21:41:26 [INFO] gs          : 9.14
21:41:26 [INFO] identify    : GraphicsMagick 1.3.18 2013-03-10 Q8 http://www.GraphicsMagick.org/
21:41:26 [INFO] convert     : GraphicsMagick 1.3.18 2013-03-10 Q8 http://www.GraphicsMagick.org/
21:41:33 [INFO] 1 pages, 1219mm*914mm
21:41:33 [INFO] Extract pages from M101.pdf
Syntax Error: Unknown character collection 'PDFAUTOCAD-Indentity0'
Syntax Error: Unknown character collection 'PDFAUTOCAD-Indentity0'
21:41:35 [INFO] Process 1 pages with 1 threads
21:41:35 [INFO] Page  1: Run OCR ...
21:41:35 [DEBUG] Page=3456x2592 Image=160x1093 DPI=3x30
Tesseract Open Source OCR Engine v3.03 with Leptonica
Too few characters. Skipping this page
OSD: Weak margin (0.00) for 14 blob text block, but using orientation anyway: 0
21:41:37 [INFO] OCR complete. Merge pages into 'M101-searchable-pdfocroverlay.pdf'
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 763, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/home/ubuntu/pdfocroverlay/pdf-ocr-overlay-master/ocr.py", line 176, in process_page
    ocr_page(image, lang=lang, width=width, height=height)
  File "/home/ubuntu/pdfocroverlay/pdf-ocr-overlay-master/ocr.py", line 157, in ocr_page
    html = os.open(hocr, os.O_RDONLY)
OSError: [Errno 2] No such file or directory: '/tmp/tmpa9uFbe/-000.html'