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import pytest
from twisted.python import log
from scrapy import optional_features
collect_ignore = ["stats.py"]
if 'django' not in optional_features:
collect_ignore.append("tests/test_djangoitem/models.py")
class LogObservers:
"""Class for keeping track of log observers across test modules"""
def __init__(self):
self.observers = []
def add(self, logfile='test.log'):
fileobj = open(logfile, 'wb')
observer = log.FileLogObserver(fileobj)
log.startLoggingWithObserver(observer.emit, 0)
self.observers.append((fileobj, observer))
def remove(self):
fileobj, observer = self.observers.pop()
log.removeObserver(observer.emit)
fileobj.close()
@pytest.fixture(scope='module')
def log_observers():
return LogObservers()
@pytest.fixture()
def setlog(request, log_observers):
"""Attach test.log file observer to twisted log, for trial compatibility"""
log_observers.add()
request.addfinalizer(log_observers.remove)
@pytest.fixture()
def chdir(tmpdir):
"""Change to pytest-provided temporary directory"""
tmpdir.chdir()
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