Das deutsche Python-Forum

Code: Alles auswählen

tesseract_exe_name ='tesseract' # Name of executable to be called at command line
scratch_image_name = "temp.bmp" # This file must be .bmp or other Tesseract-compatible format
scratch_text_name_root = "temp" # Leave out the .txt extension
cleanup_scratch_flag = True  # Temporary files cleaned up after OCR operation

#########################################
def call_tesseract(input_filename, output_filename):
	"""Calls external tesseract.exe on input file (restrictions on types),
	outputting output_filename+'txt'"""
	args = [tesseract_exe_name, input_filename, output_filename]
	proc = subprocess.Popen(args)
	retcode = proc.wait()
	if retcode!=0:
		errors.check_for_errors()

#################################
def image_to_scratch(im, scratch_image_name):
	"""Saves image in memory to scratch file.  .bmp format will be read correctly by Tesseract"""
	im.save(scratch_image_name, dpi=(200,200))

Code: Alles auswählen

Traceback (most recent call last):
  File "C:\Users\xxxxxxxxxx\python\xxxxxxxxxxxxxxx\pytest.py", line 8, in <module>
    print pytesser.image_to_string(im)
  File "C:\Program Files (x86)\Python\lib\pytesser\pytesser.py", line 31, in image_to_string
    call_tesseract(scratch_image_name, scratch_text_name_root)
  File "C:\Program Files (x86)\Python\lib\pytesser\pytesser.py", line 21, in call_tesseract
    proc = subprocess.Popen(args)
  File "C:\Program Files (x86)\Python\lib\subprocess.py", line 623, in __init__
    errread, errwrite)
  File "C:\Program Files (x86)\Python\lib\subprocess.py", line 833, in _execute_child
    startupinfo)
WindowsError: [Error 2] Das System kann die angegebene Datei nicht finden

Code: Alles auswählen

from pytesser import *