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Print extra debug info when testing simple scraper

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Kovid Goyal 2022-04-02 07:07:37 +05:30
parent 1c8296b710
commit a0c0bd7af9
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 18 additions and 12 deletions
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30
src/calibre/scraper/simple.py
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@ -56,25 +56,35 @@ class SimpleScraper(QWebEnginePage):
def __init__(self, source, parent=None): def __init__(self, source, parent=None):
profile = create_profile(source) profile = create_profile(source)
self.token = profile.token self.token = profile.token
self.is_being_tested = source == 'test'
super().__init__(profile, parent) super().__init__(profile, parent)
self.setAudioMuted(True) self.setAudioMuted(True)
self.loadStarted.connect(self.load_started) self.loadStarted.connect(self.load_started)
self.loadFinished.connect(self.load_finished) self.loadFinished.connect(self.load_finished)
self.loadProgress.connect(self.load_progress) self.loadProgress.connect(self.load_progress)
def print(self, *a):
print(*a, file=sys.stderr)
def load_started(self): def load_started(self):
if hasattr(self, 'current_fetch'): if self.is_being_tested:
self.print(f'load_started: {self.is_current_url=} {self.requestedUrl()=}')
if self.is_current_url:
self.current_fetch['load_started'] = True self.current_fetch['load_started'] = True
def load_finished(self, ok): def load_finished(self, ok):
if hasattr(self, 'current_fetch'): if self.is_being_tested:
self.print(f'load_finished: {ok=} {self.is_current_url=}')
if self.is_current_url:
self.current_fetch['load_finished'] = True self.current_fetch['load_finished'] = True
self.current_fetch['load_was_ok'] = ok self.current_fetch['load_was_ok'] = ok
if not ok and self.is_current_url: if not ok and self.is_current_url:
self.current_fetch['working'] = False self.current_fetch['working'] = False
def load_progress(self, progress): def load_progress(self, progress):
if hasattr(self, 'current_fetch'): if self.is_being_tested:
self.print(f'load_progress: {progress=} {self.is_current_url=}')
if self.is_current_url:
self.current_fetch['end_time'] = time.monotonic() + self.current_fetch['timeout'] self.current_fetch['end_time'] = time.monotonic() + self.current_fetch['timeout']
def javaScriptAlert(self, url, msg): def javaScriptAlert(self, url, msg):
@ -90,7 +100,7 @@ class SimpleScraper(QWebEnginePage):
def is_current_url(self): def is_current_url(self):
if not hasattr(self, 'current_fetch'): if not hasattr(self, 'current_fetch'):
return False return False
return canonicalize_qurl(self.url()) == self.current_fetch['fetching_url'] return canonicalize_qurl(self.requestedUrl()) == self.current_fetch['fetching_url']
def javaScriptConsoleMessage(self, level, message, line_num, source_id): def javaScriptConsoleMessage(self, level, message, line_num, source_id):
parts = message.split(maxsplit=1) parts = message.split(maxsplit=1)
@ -100,6 +110,8 @@ class SimpleScraper(QWebEnginePage):
if t == 'print': if t == 'print':
print(msg['text'], file=sys.stderr) print(msg['text'], file=sys.stderr)
elif t == 'domready': elif t == 'domready':
if self.is_being_tested:
self.print(f'domready: {self.is_current_url=}')
if self.is_current_url: if self.is_current_url:
self.current_fetch['working'] = False self.current_fetch['working'] = False
if not msg.get('failed'): if not msg.get('failed'):
@ -137,6 +149,8 @@ qt.webenginecontext.info=false
s = SimpleScraper(source) s = SimpleScraper(source)
for line in sys.stdin.buffer: for line in sys.stdin.buffer:
line = line.strip() line = line.strip()
if source == 'test':
print(line.decode('utf-8'), file=sys.stderr)
try: try:
cmd, rest = line.split(b':', 1) cmd, rest = line.split(b':', 1)
except Exception: except Exception:
@ -225,11 +239,3 @@ def find_tests():
self.assertFalse(w) self.assertFalse(w)
return unittest.defaultTestLoader.loadTestsFromTestCase(TestSimpleWebEngineScraper) return unittest.defaultTestLoader.loadTestsFromTestCase(TestSimpleWebEngineScraper)
if __name__ == '__main__':
app = QApplication([])
s = SimpleScraper('test')
s.fetch('file:///t/raw.html', timeout=5)
del s
del app