57 lines
1.2 KiB
Python
57 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pdfparanoia.core
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~~~~~~~~~~~~~~~
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This module provides most of the heavy lifting of pdfparanoia.
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"""
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import sys
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import inspect
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from .parser import (
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parse_pdf,
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parse_content,
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)
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from .plugin import Plugin
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from pdfparanoia.plugins import *
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def find_plugins():
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"""
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Returns a list of all compatible plugins.
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"""
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def inspection(thing):
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iswanted = inspect.isclass(thing)
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iswanted = iswanted and issubclass(thing, Plugin)
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iswanted = iswanted and thing is not Plugin
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return iswanted
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plugins = inspect.getmembers(sys.modules[__name__], inspection)
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plugins = [each[1] for each in plugins]
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return plugins
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def scrub(obj, verbose=False):
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"""
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Removes watermarks from a pdf and returns the resulting pdf as a string.
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"""
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# reset the file handler
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if hasattr(obj, "seek"):
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obj.seek(0)
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else:
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obj = open(obj, "rb")
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# load up the raw bytes
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content = obj.read()
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# get a list of plugins that will manipulate this paper
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plugins = find_plugins()
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# clean this pdf as much as possible
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for plugin in plugins:
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content = plugin.scrub(content, verbose=verbose)
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return content
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