138 lines
5.1 KiB
Python
138 lines
5.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Calibre plugin for ACSM files.
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from calibre.customize import FileTypePlugin # type: ignore
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__version__ = '0.0.1'
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PLUGIN_NAME = "DeACSM"
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PLUGIN_VERSION_TUPLE = tuple([int(x) for x in __version__.split(".")])
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PLUGIN_VERSION = ".".join([str(x)for x in PLUGIN_VERSION_TUPLE])
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import os
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import traceback
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import subprocess
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from calibre.utils.config import config_dir # type: ignore
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from calibre.constants import iswindows, isosx # type: ignore
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class DeACSM(FileTypePlugin):
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name = PLUGIN_NAME
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description = "Takes an Adobe ACSM file and converts that into a useable EPUB file"
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supported_platforms = ['linux']
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author = "Leseratte10"
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version = PLUGIN_VERSION_TUPLE
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minimum_calibre_version = (5, 0, 0)
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file_types = set(['acsm'])
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on_import = True
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on_preprocess = True
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priority = 2000
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def initialize(self):
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"""
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Dynamic modules can't be imported/loaded from a zipfile.
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So this routine will extract the appropriate
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library for the target OS and copy it to the 'alfcrypto' subdirectory of
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calibre's configuration directory. That 'alfcrypto' directory is then
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inserted into the syspath (as the very first entry) in the run function
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so the CDLL stuff will work in the alfcrypto.py script.
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The extraction only happens once per version of the plugin
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Also perform upgrade of preferences once per version
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"""
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try:
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self.pluginsdir = os.path.join(config_dir,"plugins")
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if not os.path.exists(self.pluginsdir):
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os.mkdir(self.pluginsdir)
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self.maindir = os.path.join(self.pluginsdir,"DeACSM")
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if not os.path.exists(self.maindir):
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os.mkdir(self.maindir)
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# only continue if we've never run this version of the plugin before
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self.verdir = os.path.join(self.maindir,PLUGIN_VERSION)
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if not os.path.exists(self.verdir):
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if iswindows or isosx:
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print("Windows and MacOS not supported!")
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return
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else:
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names = ["libgourou_bundle_release.tar.xz"]
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# mark that this version has been initialized
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os.mkdir(self.verdir)
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lib_dict = self.load_resources(names)
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print("{0} v{1}: Copying needed library files from plugin zip".format(PLUGIN_NAME, PLUGIN_VERSION))
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for entry, data in lib_dict.items():
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file_path = os.path.join(self.verdir, entry)
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try:
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os.remove(file_path)
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except:
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pass
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try:
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open(file_path,'wb').write(data)
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except:
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print("{0} v{1}: Exception when copying needed library files".format(PLUGIN_NAME, PLUGIN_VERSION))
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traceback.print_exc()
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pass
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except Exception as e:
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traceback.print_exc()
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raise
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def is_customizable(self):
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return True
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def config_widget(self):
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import calibre_plugins.deacsm.config as config # type: ignore
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return config.ConfigWidget(self.plugin_path)
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def save_settings(self, config_widget):
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config_widget.save_settings()
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def run(self, path_to_ebook: str):
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# This code gets called by Calibre with a path to the new book file.
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# We need to check if it's an ACSM file
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print("{0} v{1}: Trying to parse file {2}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
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ext = os.path.splitext(path_to_ebook)[1].lower()
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if (ext != ".acsm"):
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print("{0} v{1}: That's not an ACSM, returning (is {2} instead)... ".format(PLUGIN_NAME, PLUGIN_VERSION, ext))
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return path_to_ebook
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import calibre_plugins.deacsm.prefs as prefs # type: ignore
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deacsmprefs = prefs.DeACSM_Prefs()
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print("{0} v{1}: Try to execute {2} ".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.join(self.verdir, "acsmdownloader")))
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outputname = self.temporary_file(".epub").name
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my_env = os.environ.copy()
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my_env["LD_LIBRARY_PATH"] = ".:" + my_env["LD_LIBRARY_PATH"]
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os.chmod(os.path.join(self.verdir, "acsmdownloader"), 0o775)
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ret = subprocess.run([os.path.join(self.verdir, "acsmdownloader"), "-d", os.path.join(deacsmprefs["path_to_account_data"], "device.xml"),
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"-a", os.path.join(deacsmprefs["path_to_account_data"], "activation.xml"),
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"-k", os.path.join(deacsmprefs["path_to_account_data"], "devicesalt"),
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"-o", outputname,
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"-v", "-v",
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"-f", path_to_ebook ], capture_output=True, shell=False, cwd=self.verdir, env=my_env)
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print(ret)
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return outputname
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print("{0} v{1}: Failed, return original ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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return path_to_ebook
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