Port to psycopg3 (#123)

* WIP.

* Port some of the things, mostly mogrify.

* Fix server_version.

* Fix named param, and fstrings.

* Fix missing space.

* Maybe fix copy.

* Do not build with 3.6

* No walrus op.

* Fix for show_function_definition.

* Fix for list_foreign_tables.

* Black.

* Add python 3.10.

* Python versions

* Fix fstring-happy.

* This was for debugging.

* We can still use python 3.6 with psycopg 3.0.x.

* Bigger buffer in copy.

* Change psycopg dependency to 3.0.10.

* Should not need this workaround.

* We should not need these.

* Changelog.

Author: j-bennet

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
 
     services:
       postgres:

README.rst

@@ -26,14 +26,13 @@ following imports:
 
     from pgspecial.main import PGSpecial
     from pgspecial.namedqueries import NamedQueries
-    from psycopg2.extensions import cursor
 
 Then you will create and use an instance of PGSpecial:
 
 .. code-block:: python
 
         pgspecial = PGSpecial()
-        for result in pgspecial.execute(cur: cursor, sql):
+        for result in pgspecial.execute(cur, sql):
             # Do something
 
 If you want to import named queries from an existing config file, it is

changelog.rst

@@ -1,11 +1,16 @@
-Upcoming
-========
+Upcoming (going to bump MAJOR version to 2)
+===========================================
 
 Bug fixes:
 ----------
 
 * Add `pytest` mark `dbtest` to `test_slash_dp_pattern_schema` so it can be skipped when necessary. (Thanks: `Benjamin Beasley`_)
 
+Internal:
+---------
+
+* Switch to psycopg3 - breaking change.
+
 1.13.1
 ======