def parse_balance(input_file):
"""
:param input_file: str
Parse balance data from this file
:return: [] of {}
List of balanced for each wallet found
"""
if os.path.exists(input_file):
content = JSONParser(input_file).get_content()
content[DATE_TIME_KEY] = parse_datetime(content[DATE_TIME_KEY])
return content
def time_last_update(self):
"""
:return: datetime
Time of last update
"""
if self.last_update:
return self.last_update
try:
return parse_datetime(self.get("last_update"))
except:
return datetime.fromtimestamp(0) # no record
def __init__(self, input_file, max_error_search):
"""
:param input_file: str
File with database to model
:param max_error_search: float
When searching for date, returns nearest date found if within
max error. Should be measured in seconds.
"""
JSONParser.__init__(self, input_file)
self.content = {
parse_datetime(item[DATE_TIME_KEY]): item
for item in self.get_content()
} # date -> raw dict
self.dates = sorted(self.content.keys()) # sorted list of all dates
self.max_error = float(max_error_search) # seconds