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Qt backend basically works

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Kovid Goyal 2024-08-14 11:34:04 +05:30
parent 91b6a64777
commit 8c0bb15478
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1 changed files with 21 additions and 17 deletions
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34
src/calibre/scraper/qt_backend.py
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@ -8,7 +8,7 @@ import sys
from contextlib import suppress
from threading import Thread
from time import monotonic
from typing import TypedDict
from typing import Any, TypedDict
from qt.core import (
QApplication,
@ -132,9 +132,9 @@ class FetchBackend(QNetworkAccessManager):
def __init__(self, output_dir: str = '', cache_name: str = '', parent: QObject = None, user_agent: str = '') -> None:
super().__init__(parent)
self.cookie_jar = CookieJar(self)
self.setNetworkCookieJar(self.cookie_jar)
self.setCookieJar(self.cookie_jar)
self.user_agent = user_agent or random_common_chrome_user_agent()
self.setTransferTimeout(default_timeout)
self.setTransferTimeout(int(default_timeout * 1000))
self.output_dir = output_dir or os.getcwd()
sys.excepthook = self.excepthook
self.request_download.connect(self.download, type=Qt.ConnectionType.QueuedConnection)
@ -243,15 +243,7 @@ class FetchBackend(QNetworkAccessManager):
self.cookie_jar.add_cookie(c)
def read_commands(backend: FetchBackend, tdir: str) -> None:
file_counter = 0
error_msg = ''
try:
for line in sys.stdin:
cmd = json.loads(line)
ac = cmd['action']
if ac == 'download':
file_counter += 1
def request_from_cmd(cmd: dict[str, Any], filename: str) -> Request:
timeout = cmd.get('timeout')
if timeout is None:
timeout = default_timeout
@ -261,10 +253,22 @@ def read_commands(backend: FetchBackend, tdir: str) -> None:
'headers': cmd.get('headers') or [],
'data_path': cmd.get('data_path') or '',
'method': cmd.get('method') or 'get',
'filename': os.path.join(tdir, str(file_counter)),
'filename': filename,
'timeout': timeout,
}
backend.request_download.emit(req)
return req
def read_commands(backend: FetchBackend, tdir: str) -> None:
file_counter = 0
error_msg = ''
try:
for line in sys.stdin:
cmd = json.loads(line)
ac = cmd['action']
if ac == 'download':
file_counter += 1
backend.request_download.emit(request_from_cmd(cmd, str(file_counter)))
elif ac == 'set_cookies':
backend.set_cookies.emit(cmd['cookies'])
elif ac == 'set_user_agent':
@ -308,7 +312,7 @@ def develop(url: str) -> None:
backend.download_finished.connect(download_finished)
for i, url in enumerate(sys.argv[1:]):
backend.download(url, f'test-output-{i}')
backend.download(request_from_cmd({'url':url}, f'test-output-{i}'))
num_left += 1
app.exec()