119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
#! /usr/bin/python3
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import os
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import subprocess
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import time
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import re
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import fcntl
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import traceback
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import json
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import logging
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import slugify
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import dvd
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import cd
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import worker
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CDROM_DRIVE_STATUS = 0x5326
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CDS_NO_INFO = 0
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CDS_NO_DISC = 1
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CDS_TRAY_OPEN = 2
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CDS_DRIVE_NOT_READ = 3
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CDS_DISC_OK = 4
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CDS_STR = ["no info", "no disc", "tray open", "drive not read", "disc ok"]
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CDROM_DISC_STATUS = 0x5327
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CDS_AUDIO = 100
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CDS_DATA_1 = 101
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CDS_DATA_2 = 102
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CDROM_LOCKDOOR = 0x5329
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CDROM_EJECT = 0x5309
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class Reader(worker.Worker):
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def __init__(self, device, directory):
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super().__init__(directory)
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self.device = device
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self.status["type"] = "reader"
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self.status["device"] = device
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self.complete = 0
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self.staleness = 0
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self.drive = None
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logging.info("Starting reader on %s" % self.device)
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def reopen(self):
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if (self.staleness > 15) or not self.drive:
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if self.drive:
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os.close(self.drive)
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self.drive = None
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try:
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self.drive = os.open(self.device, os.O_RDONLY | os.O_NONBLOCK)
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logging.debug("Reopened %s" % self.device)
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except FileNotFoundError:
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pass
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self.staleness = 0
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else:
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self.staleness += 1
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def run(self):
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while True:
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self.status["state"] = "idle"
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self.reopen()
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if not self.drive:
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time.sleep(30)
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continue
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rv = fcntl.ioctl(self.drive, CDROM_DRIVE_STATUS)
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if rv == CDS_DISC_OK:
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rv = fcntl.ioctl(self.drive, CDROM_DISC_STATUS)
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try:
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if rv == CDS_AUDIO:
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self.handle(False)
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elif rv in [CDS_DATA_1, CDS_DATA_2]:
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self.handle(True)
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else:
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logging.info("Can't handle disc type %d" % rv)
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except Exception as e:
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logging.error("Error in disc handler: %s" % e)
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logging.error(traceback.format_exc())
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self.eject()
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elif rv in (CDS_TRAY_OPEN, CDS_NO_DISC, CDS_DRIVE_NOT_READ):
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time.sleep(3)
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else:
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logging.info("CDROM_DRIVE_STATUS: %d (%s)" % (rv, CDS_STR[rv]))
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time.sleep(3)
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def eject(self):
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for i in range(20):
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try:
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fcntl.ioctl(self.drive, CDROM_LOCKDOOR, 0)
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fcntl.ioctl(self.drive, CDROM_EJECT)
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return
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except Exception as e:
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logging.error("Ejecting: %v" % e)
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time.sleep(i * 5)
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def handle(self, video):
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self.status["video"] = video
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self.status["state"] = "reading"
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state = {}
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state["video"] = video
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if video:
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media = dvd
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else:
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media = cd
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media.scan(state, self.device)
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self.status["title"] = state["title"]
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subdir = slugify.slugify(state["title"])
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workdir = self.workdir(subdir)
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os.makedirs(workdir, exist_ok=True)
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self.status["state"] = "copying"
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for pct in media.copy(state, self.device, workdir):
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self.status["complete"] = pct
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self.write_state(subdir, state)
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# vi: sw=4 ts=4 et ai
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