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99 lines
3.0 KiB
Python
99 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Migration plugin from "DeACSM" to "ACSM Input"
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# See README.md for details.
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'''
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Copyright (c) 2021-2023 Leseratte10
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This file is part of the ACSM Input Plugin by Leseratte10
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ACSM Input Plugin for Calibre / acsm-calibre-plugin
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For more information, see:
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https://github.com/Leseratte10/acsm-calibre-plugin
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'''
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import os, sys
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from calibre.gui2.actions import InterfaceAction
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class ActualMigrationPlugin(InterfaceAction):
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name = "DeACSM"
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def file_is_zip_file(self, filepath):
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try:
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file = open(filepath, "rb")
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data = file.read(10)
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file.close()
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if data[:4] == b'PK\x03\x04':
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return True
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except:
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return False
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return False
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def genesis(self):
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print("DeACSM -> ACSM Input migration started ...")
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DOWNLOAD_URL = "https://github.com/Leseratte10/acsm-calibre-plugin/releases/download/config/TEST_calibre_plugin_acsminput_new_0_0_30.zip"
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# Okay, now download the new version and uninstall myself:
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from calibre.utils.config import config_dir
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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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new_path = os.path.join(self.pluginsdir, "ACSM Input.zip")
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if os.path.exists(new_path):
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# If so, delete ourselves and exit
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print("Migration has already happened? ...")
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return
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print("Downloading new plugin ...")
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if sys.version_info[0] == 2:
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import urllib
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urllib.urlretrieve(DOWNLOAD_URL, new_path)
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else:
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import urllib.request
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urllib.request.urlretrieve(DOWNLOAD_URL, new_path)
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print("Download done")
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# Check if the download was successful and the new file exists:
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if os.path.exists(new_path) and self.file_is_zip_file(new_path):
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print("Downloaded file is valid, replacing old plugin with new one")
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# Delete myself
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os.remove(os.path.join(self.pluginsdir, "DeACSM.zip"))
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# Forcibly add the new plugin
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from calibre.customize.ui import _config
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ui_plg_config = _config()
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plugins = ui_plg_config['plugins']
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plugins["ACSM Input"] = new_path
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ui_plg_config['plugins'] = plugins
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# Force-kill Calibre and have the user manually restart it:
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print("Done, exiting Calibre, please restart")
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try:
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os._exit(42)
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except TypeError:
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os._exit()
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else:
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print("Download / Update failed, trying again later ...")
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print("Please open a bug report for the ACSM Input plugin")
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try:
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# If we downloaded an error page or something else that's not a ZIP, delete that.
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os.remove(new_path)
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except:
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pass
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