How to download and install Python Packages and Modules with Pip

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Psycopg – PostgreSQL database adapter for Python¶ Psycopg is the most popular PostgreSQL database adapter for the Python programming language. Its main features.

Jun 20, 2014. This is my first project using psycopg2 extensively. I'm trying to find a way to extract the psql error message for whenever a connection attempt fails. I've tested the code below will work if all the variables are set correctly, however whenever an error condition occurs (e.g. user chooses a database that doesn't.

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virtualenv – How to install psycopg2 with "pip" on Python? – Stack. – Mar 24, 2011. On Mac Mavericks with version RC2 I needed to use the following code after installing Postgres:. I recently configured psycopg2 on a windows machine. The easiest install is. The error that you received tells you that pip cannot find a needed part of the PostgreSQL Query library.

Psycopg – PostgreSQL database adapter for Python. Psycopg 2 is mostly implemented in C as a libpq wrapper, psycopg2.errorcodes – Error codes defined by.

Jul 14, 2011. Psycopg passes the PostgreSQL error code along with the exception in the attribute pgcode : you can verify that the error is actually related to a unique violation and avoid logging them. For example: try: cursor.execute(".") except psycopg2.IntegrityError as err: if err.pgcode != '23505':.

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All, I am writing error messages to a log file and it's becoming pretty large because it errors on unique constraints in the DB. That is fine and it's actually want.

psycopg2.errorcodes – Error codes defined by PostgreSQL. of the error codes produced by PostgreSQL are defined by the SQL. Psycopg 2.7.4.dev1 documentation.

The psycopg2 module content¶ The module interface respects the standard defined in the DB API 2.0. psycopg2.connect (dsn=None, connection_factory=None, cursor.

This page provides python code examples for psycopg2.DatabaseError. The following are 7 code examples for showing how to use psycopg2.DatabaseError. DataError self.error.DatabasError = psycopg2.DatabaseError self.error.Error = psycopg2.Error self.error.IntegrityError = psycopg2.IntegrityError self.error.

Psycopg 2.4.5 documentation. Note that some, but not all, of the error codes produced by PostgreSQL are defined by the SQL standard;.

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