def process_pdf(rsrcmgr, device, fp, pagenos=None, maxpages=0, password='',
caching=True, check_extractable=True):
# Create a PDF parser object associated with the file object.
parser = PDFParser(fp)
# Create a PDF document object that stores the document structure.
doc = PDFDocument(parser, caching=caching)
# Supply the document password for initialization.
# (If no password is set, give an empty string.)
doc.initialize(password)
# Check if the document allows text extraction. If not, abort.
if check_extractable and not doc.is_extractable:
raise PDFTextExtractionNotAllowed('Text extraction is not allowed: %r' % fp)
# Create a PDF interpreter object.
interpreter = PDFPageInterpreter(rsrcmgr, device)
# Process each page contained in the document.
for (pageno,page) in enumerate(PDFPage.create_pages(doc)):
if pagenos and (pageno not in pagenos): continue
interpreter.process_page(page)
if maxpages and maxpages <= pageno+1: break
return
