def test_line_reader(self):
lines = """line1
line2
line3\rline4\r
line5"""
expected = ['line1', 'line2', 'line3', 'line4', 'line5']
self.assertEqual(list(utils.line_reader(StringIO(lines))), expected)
def test_line_reader(self):
lines = """line1
line2
line3\rline4\r
line5"""
expected = ['line1', 'line2', 'line3', 'line4', 'line5']
self.assertEqual(list(utils.line_reader(StringIO(lines))), expected)
def process_output(self):
self.started_at = time.time()
self.status = 'converting'
# We use line_reader, rather than just iterating over the file object,
# because iterating over the file object gives us all the lines when
# the process ends, and we're looking for real-time updates.
for line in line_reader(self.popen.stdout):
self.lines.append(line) # for debugging, if needed
try:
status = self.converter.process_status_line(self.video, line)
except StandardError:
logging.warn("error in process_status_line()", exc_info=True)
continue
if status is None:
continue
updated = set()
if 'finished' in status:
self.error = status.get('error', None)
break
if 'duration' in status:
updated.update(('duration', 'progress'))
self.duration = float(status['duration'])
if self.progress is None:
self.progress = 0.0
if 'pass1' in status:
updated.add('progress')
self.progress = min(float(status['pass1']/2.0),
self.duration)
if 'pass2' in status:
updated.add('progress')
self.progress = min(float(status['pass2']/2.0 + 5),
self.duration)
if 'progress' in status:
updated.add('progress')
self.progress = min(float(status['progress']),
self.duration)
if 'eta' in status:
updated.add('eta')
self.eta = float(status['eta'])
if updated:
self.progress_percent = self.calc_progress_percent()
if 'eta' not in updated:
if self.duration and 0 < self.progress_percent < 1.0:
progress = self.progress_percent * 100
elapsed = time.time() - self.started_at
time_per_percent = elapsed / progress
self.eta = float(
time_per_percent * (100 - progress))
else:
self.eta = 0.0
self.notify_listeners()
