def _process(self):
'''
Run the different methods to preprocess the images in source folder
'''
#=======================================================================
# # Initialize dictionary for image processing information
#=======================================================================
self.getImageInformation()
#=======================================================================
# If 'spread_detection' is True, get size of all images and set
# them as spreads if they are statistically large (larger than mean or
# avg adjusted with some constant)
# A spread is exclude from cropping and deskewing
#=======================================================================
if self.settings['spread_detection']: self.locate_spreads()
if self.settings['crop_images']:
#=======================================================================
# Get all cropping coordinates and evaluate these
#=======================================================================
self.getCropCoordinates()
#=======================================================================
# Select crop coordinates
#=======================================================================
self.set_crop()
#=======================================================================
# Crop images e.g. with output to bw-image file in temp folder ->
# smaller and bw may be better for deskew test?
#=======================================================================
if self.settings['deskew_images']: self.create_temp_crops()
if self.settings['deskew_images']:
#=======================================================================
# Get all deskew
#=======================================================================
self.get_deskew_angles()
#===================================================================
# Select which images to deskew
#===================================================================
self.set_deskew()
#===================================================================
# Process files
#===================================================================
self.processFiles()
if self.debug: self.logger.debug(pprint.pformat(self.img_proc_info))
if self.debug: self.logger.debug(str(datetime.datetime.now())+': '+'Merge pdf files to one pdf')
#=======================================================================
# If output to pdf is set to True, merge output pdfs for each page to
# one pdf
# NB: only used for testing purposes
#=======================================================================
if self.settings['output_pdf']:
pdf_tools.mergePdfFilesInFolder(self.temp_pdf_folder,self.pdf_dest)
def createPdfFromFolder(src, file_dest,temp_folder,
quality=50,resize_pct=50,valid_exts=['jpg','tif']):
'''
Use ImageMagick to create one pdf from all the images in a folder and
output to a given destination.
Create a pdf of each image and place in temp folder. Merge output pdf-files
to pdf-dest and remove temp folder.
'''
image_paths = fs.getFilesInFolderWithExts(src, valid_exts)
for image in image_paths:
# Handle spaces in filenames
image = '"' + image + '"'
input_path = os.path.join(src,image)
file_name,_ = os.path.splitext(image)
output_file_name = file_name+'.pdf'
output_path = os.path.join(temp_folder,output_file_name)
image_tools.compressFile(input_path, output_path, quality, resize_pct)
pdf_misc.mergePdfFilesInFolder(temp_folder,file_dest)
fs.clear_folder(temp_folder,also_folder=True)
