manga-dlp/mangadlp/hooks.py
Ivan Schaller c2d9ca9f72
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add hooks for custom actions
2022-08-13 18:52:32 +02:00

71 lines
2.3 KiB
Python

import os
import subprocess
from mangadlp.logger import Logger
# prepare logger
log = Logger(__name__)
class Hooks:
"""Pre- and post-hooks for each download.
Args:
cmd_manga_pre (str): Commands to execute before the manga download starts
cmd_manga_post (str): Commands to execute after the manga download finished
cmd_chapter_pre (str): Commands to execute before the chapter download starts
cmd_chapter_post (str): Commands to execute after the chapter download finished
"""
def __init__(
self,
cmd_manga_pre: str,
cmd_manga_post: str,
cmd_chapter_pre: str,
cmd_chapter_post: str,
) -> None:
self.cmd_manga_pre = cmd_manga_pre
self.cmd_manga_post = cmd_manga_post
self.cmd_chapter_pre = cmd_chapter_pre
self.cmd_chapter_post = cmd_chapter_post
def run(self, hook_type: str, hook_status: dict, hook_info: dict) -> int:
if hook_type == "manga_pre":
hook_cmd_str = self.cmd_manga_pre
elif hook_type == "manga_post":
hook_cmd_str = self.cmd_manga_post
elif hook_type == "chapter_pre":
hook_cmd_str = self.cmd_chapter_pre
elif hook_type == "chapter_post":
hook_cmd_str = self.cmd_chapter_post
else:
log.error(f"Hook type '{hook_type}' is not valid. Not running")
return 1
# check if hook commands are empty
if not hook_cmd_str or hook_cmd_str == "None":
log.verbose(f"Hook '{hook_type}' empty. Not running")
return 2
hook_cmd_list = hook_cmd_str.split(" ")
# setting env vars
hook_info["hook_type"] = hook_type
hook_info["status"] = hook_status.get("status")
hook_info["reason"] = hook_status.get("reason")
for key, value in hook_info.items():
os.environ[f"MDLP_{key.upper()}"] = str(value)
# running command
log.info(f"Hook '{hook_type}' - running command: '{hook_cmd_str}'")
ecode = subprocess.call(hook_cmd_list)
if ecode == 0:
log.verbose("Hook returned status code 0. All good")
else:
log.warning(f"Hook returned status code {ecode}. Possible error")
# return exit code of command
return ecode