This code attempts to establish a connection to a PostgreSQL...

March 28, 2023 at 07:08 PM

while True: try: conn = psycopg2.connect(host='localhost', dbname='fastapi', user='postgres', password='umkplj', cursor_factory=RealDictCursor) cur = conn.cursor() print("Database connection was successful") break except Exception as e: print("Connection to the database failed") print("Error: ", str(e)) time.sleep(2) print("Retrying...")

This code attempts to establish a connection to a PostgreSQL database using the psycopg2 library. The while True statement creates an infinite loop that will continue until a successful connection to the database is established.

Within the loop, the try block attempts to connect to the database using the specified host, dbname, username, password, and cursor factory. If the connection is successful, the program prints a message indicating that the connection was successful and then breaks out of the loop.

If the connection is not successful, the except block catches the exception and prints a message indicating that the connection failed along with the specific error message. The program then waits for 2 seconds before retrying the connection by going back to the beginning of the loop and attempting to connect again.

This process will continue indefinitely until a successful connection is established or an error occurs that cannot be resolved through retrying.

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