def get(url):
url = unquote(url)
match, project = Cache.match(url)
if match:
path = Cache.path(url, project, include_file=True)
ttl = Cache.PATTERNS[match]
if project:
# Given project context check to see if project has been updated
# remotely more recently than local cache.
apiurl, _ = Cache.spliturl(url)
Cache.last_updated_load(apiurl)
# Use the project last updated timestamp if availabe, otherwise
# the oldest record indicates the longest period that can be
# guaranteed to have no changes.
if project in Cache.last_updated[apiurl]:
unchanged_since = Cache.last_updated[apiurl][project]
else:
unchanged_since = Cache.last_updated[apiurl]['__oldest']
now = datetime.datetime.utcnow()
unchanged_since = datetime.datetime.strptime(
unchanged_since, '%Y-%m-%dT%H:%M:%SZ')
history_span = now - unchanged_since
# Treat non-existant cache as brand new for the sake of history
# span check since it behaves as desired.
age = 0
directory = Cache.path(url, project)
if os.path.exists(directory):
age = time() - os.path.getmtime(directory)
# If history span is shorter than allowed cache life and the age
# of the current cache is older than history span with no
# changes the cache cannot be guaranteed. For example:
# ttl = 1 day
# history_span = 0.5 day
# age = 0.75
# Cannot be guaranteed.
ttl_delta = datetime.timedelta(seconds=ttl)
age_delta = datetime.timedelta(seconds=age)
if history_span < ttl_delta and age_delta > history_span:
Cache.delete_project(apiurl, project)
if os.path.exists(path) and time() - os.path.getmtime(path) <= ttl:
if conf.config['debug']:
print('CACHE_GET', url, file=sys.stderr)
return urlopen('file://' + path)
else:
reason = '(' + ('expired' if os.path.exists(path) else
'does not exist') + ')'
if conf.config['debug']:
print('CACHE_MISS', url, reason, file=sys.stderr)
return None
def get(url):
url = unquote(url)
match, project = Cache.match(url)
if match:
path = Cache.path(url, project, include_file=True)
ttl = Cache.PATTERNS[match]
if project:
# Given project context check to see if project has been updated
# remotely more recently than local cache.
apiurl, _ = Cache.spliturl(url)
Cache.last_updated_load(apiurl)
# Use the project last updated timestamp if availabe, otherwise
# the oldest record indicates the longest period that can be
# guaranteed to have no changes.
if project in Cache.last_updated[apiurl]:
unchanged_since = Cache.last_updated[apiurl][project]
else:
unchanged_since = Cache.last_updated[apiurl]['__oldest']
now = datetime.datetime.utcnow()
unchanged_since = datetime.datetime.strptime(unchanged_since, '%Y-%m-%dT%H:%M:%SZ')
history_span = now - unchanged_since
# Treat non-existant cache as brand new for the sake of history
# span check since it behaves as desired.
age = 0
directory = Cache.path(url, project)
if os.path.exists(directory):
age = time() - os.path.getmtime(directory)
# If history span is shorter than allowed cache life and the age
# of the current cache is older than history span with no
# changes the cache cannot be guaranteed. For example:
# ttl = 1 day
# history_span = 0.5 day
# age = 0.75
# Cannot be guaranteed.
ttl_delta = datetime.timedelta(seconds=ttl)
age_delta = datetime.timedelta(seconds=age)
if history_span < ttl_delta and age_delta > history_span:
Cache.delete_project(apiurl, project)
if os.path.exists(path) and time() - os.path.getmtime(path) <= ttl:
if conf.config['debug']: print('CACHE_GET', url, file=sys.stderr)
return urlopen('file://' + path)
else:
reason = '(' + ('expired' if os.path.exists(path) else 'does not exist') + ')'
if conf.config['debug']: print('CACHE_MISS', url, reason, file=sys.stderr)
return None
