db = DatabaseManager(config)
ap = argparse.ArgumentParser()
ap.add_argument('-u', '--url', required=True, help='URL to parse')
args = vars(ap.parse_args())
data = pd.read_html(args['url'])
# Prepare data
collect = data[0][3:].values.tolist()
total = collect.pop()
total.pop(0)
total.pop(2)
total.append(data[1].values[0][1])
total.append(pendulum.now().to_datetime_string())
print(total)
db.insert(
'insert into totals (new_cases, total_cases, deceased, recovered, last_update) values (?, ?, ?, ?, ?)',
total)
for item in collect:
# recovered, last_update rows
item.append(data[1].values[0][1])
item.append(pendulum.now().to_datetime_string())
db.insert(
'insert into daily_reports (region, new_cases, total_cases, percentage_of_total_cases, deceased, recovered, last_update) values (?, ?, ?, ?, ?, ?, ?)',
item)
class Database:
# Singleton method stuff:
__instance = None
@staticmethod
def get_instance():
# Static access method.
if Database.__instance is None:
raise Exception("Database class is a singleton!")
return Database.__instance
def __init__(self, db_path):
self.db_path = db_path
self.connect_to_db()
# Virtually private constructor.
if Database.__instance is not None:
raise Exception("Database class is a singleton!")
else:
Database.__instance = self
# /Singleton method stuff
def delete_existing_db(self):
if os.path.isfile(self.db_path):
print('[Gui] found existing db, deleting.')
os.remove(self.db_path)
def load_or_create(self):
db_tables = self.db.select(
"SELECT name FROM sqlite_master WHERE type='table'")
if (len(db_tables) != NUM_TABLES):
print(
f'[Gui] database not up-to-date ({len(db_tables)} tables), importing the schema...'
)
self.import_schema()
def connect_to_db(self):
config = {
'default': {
'driver': 'sqlite',
'database': self.db_path,
'log_queries': ENABLE_QUERY_LOGGING
}
}
self.db = DatabaseManager(config)
Model.set_connection_resolver(self.db)
def import_schema(self):
query_sql = re.sub(r'\r\n|\n|\r', '', SCHEMA_SQL)
query_sql = re.sub(r'\s+', ' ', query_sql)
queries = query_sql.split(';')
queries = list(filter(None, queries)) # Remove empty strings
for query_str in queries:
self.db.insert(query_str)
CaptureFilter.create_defaults()
Setting.create_defaults()
def reload_with_new_database(self, new_db_path):
self.close()
self.db_path = new_db_path
self.load_or_create()
self.connect_to_db()
def load_new_database(self, new_db_path):
self.db_path = new_db_path
self.load_or_create()
self.connect_to_db()
def close(self):
self.db.purge()
