I'm trying to use ghostscripts with python watchdog.
I want to duplicate the last page of a pdf to another directory using the
same name as the source pdf + page number.
So watchdog will monitor the directory for the pdf and ghostscript will copy
the last page to another directory.
I have this, and not able to figure out how to change the output name and
location.
import sys
import os
import time
import logging
from watchdog.observers import Observer
from watchdog.events import LoggingEventHandler
from watchdog.events import PatternMatchingEventHandler
if __name__ == "__main__":
patterns = "*"
ignore_patterns = ""
ignore_directories = False
case_sensitive = True
my_event_handler = PatternMatchingEventHandler(patterns,
ignore_patterns, ignore_directories, case_sensitive)
def on_created(event):
number_of_pages = 4
input_pdf = event.src_path
for i in range(4, number_of_pages +1):
os.system("gswin64c -q -dBATCH -dNOPAUSE
-sOutputFile=page{page:04d}.pdf"
" -dFirstPage={page} -dLastPage={page}"
" -sDEVICE=pdfwrite {input_pdf}"
.format(page=i, input_pdf=input_pdf))
my_event_handler.on_created = on_created
path = "."
go_recursively = True
my_observer = Observer()
my_observer.schedule(my_event_handler, path, recursive=go_recursively)
my_observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
my_observer.stop()
my_observer.join()
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