Yeah I connect to the DB over localhost:5432 via psql all the time and also 
haven't had any issues connecting via psycopg2. I also have no issue 
connecting to the database in sqlalchem, it's only an issue with 
sqlacodegen.
On Tuesday, June 15, 2021 at 7:53:51 PM UTC-4 jonatha...@gmail.com wrote:

> Have you confirmed that you can connect to 127.0.0.1 at port 5432 using 
> psql? On my development system, I normally use a local (UNIX domain) 
> socket, which is libpq's default behavior. When I run "psql -h 127.0.0.1", 
> I get the following error:
>
> psql: could not connect to server: Connection refused
>     Is the server running on host "127.0.0.1" and accepting
>
>     TCP/IP connections on port 5432?
>
> On Tuesday, June 15, 2021 at 1:06:23 PM UTC-4 Ryan Bandler wrote:
>
>> Hello everyone,
>>
>> I am a first-time SQLalchemy user planning on using SQLalchemy on a new 
>> project. We already have an established postgres database (currently still 
>> on localhost) which I do not want to handwrite the SQLalchemy model for. So 
>> I am planning to use sqlacodegen. Unfortunately, sqlacodegen is giving me:
>>
>> sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not 
>> connect to server: Connection refused
>>         Is the server running on host "localhost" (127.0.0.1) and 
>> accepting
>>         TCP/IP connections on port 5432?
>>
>> My systems at work are very restrictive, but I was able to gain 
>> permissions to the postgres config files and edited them to allow all TCP 
>> connections. I restarted the postgres service and I am still experiencing 
>> this error. I dont understand why this is happening, because it seems to be 
>> an error coming from psycopg2 being called in sqlalchemy, and i have ever 
>> had any issues connecting to the DB with psycopg2 before. 
>>
>> If anyone has any experience with sqlacodegen, any help would be much 
>> appreciated!!
>>
>

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