def delete_screencaps():
"""
This func cleans up any screencaps that are 3 hours or older. It cleans
up the mess that monitor.tasks.test_screencap creates
This is a scheduled task. Let's have celerybeat run it.
"""
upload_storage = FileSystemStorage(location=getattr(settings, 'MONITOR_ROOT'))
files = upload_storage.listdir(getattr(settings, 'MONITOR_ROOT'))[1]
# If the file is over three hours old, delete it.
for f in files:
age_of_file = datetime.now() - upload_storage.created_time(f)
if age_of_file.seconds > 10800:
upload_storage.delete(f)
class DummyExternalStorage(Storage):
def __init__(self, *args, **kwargs):
self.wrapped = FileSystemStorage(*args, **kwargs)
def path(self, name):
# Overridden to give it the behaviour of the base Storage class
# This is what an external storage backend would have
raise NotImplementedError("This backend doesn't support absolute paths.")
def _open(self, name, mode='rb'):
# Overridden to return a DummyExternalStorageFile instead of a normal
# File object
return DummyExternalStorageFile(open(self.wrapped.path(name), mode))
# Wrap all other functions
def _save(self, name, content):
return self.wrapped._save(name, content)
def delete(self, name):
self.wrapped.delete(name)
def exists(self, name):
return self.wrapped.exists(name)
def listdir(self, path):
return self.wrapped.listdir(path)
def size(self, name):
return self.wrapped.size(name)
def url(self, name):
return self.wrapped.url(name)
def accessed_time(self, name):
return self.wrapped.accessed_time(name)
def created_time(self, name):
return self.wrapped.created_time(name)
def modified_time(self, name):
return self.wrapped.modified_time(name)
class DummyExternalStorage(Storage):
def __init__(self, *args, **kwargs):
self.wrapped = FileSystemStorage(*args, **kwargs)
def path(self, name):
# Overridden to give it the behaviour of the base Storage class
# This is what an external storage backend would have
raise NotImplementedError("This backend doesn't support absolute paths.")
def _open(self, name, mode='rb'):
# Overridden to return a DummyExternalStorageFile instead of a normal
# File object
return DummyExternalStorageFile(open(self.wrapped.path(name), mode))
# Wrap all other functions
def _save(self, name, content):
return self.wrapped._save(name, content)
def delete(self, name):
self.wrapped.delete(name)
def exists(self, name):
return self.wrapped.exists(name)
def listdir(self, path):
return self.wrapped.listdir(path)
def size(self, name):
return self.wrapped.size(name)
def url(self, name):
return self.wrapped.url(name)
def accessed_time(self, name):
return self.wrapped.accessed_time(name)
def created_time(self, name):
return self.wrapped.created_time(name)
def modified_time(self, name):
return self.wrapped.modified_time(name)
