update everything for psycopg 3.

.github/workflows/check_outdated_dependencies.yml

@@ -58,7 +58,7 @@ jobs:
       working-directory: ./reflex-web
       run: poetry run uv pip install -r requirements.txt
     - name: Install additional dependencies for DB access
-      run: poetry run uv pip install psycopg2-binary
+      run: poetry run uv pip install psycopg
     - name: Init Website for reflex-web
       working-directory: ./reflex-web
       run: poetry run reflex init

.github/workflows/integration_tests.yml

@@ -147,7 +147,7 @@ jobs:
         working-directory: ./reflex-web
         run: poetry run uv pip install $(grep -ivE "reflex " requirements.txt)
       - name: Install additional dependencies for DB access
-        run: poetry run uv pip install psycopg2-binary
+        run: poetry run uv pip install psycopg
       - name: Init Website for reflex-web
         working-directory: ./reflex-web
         run: poetry run reflex init
@@ -187,7 +187,7 @@ jobs:
         working-directory: ./reflex-web
         run: poetry run uv pip install -r requirements.txt
       - name: Install additional dependencies for DB access
-        run: poetry run uv pip install psycopg2-binary
+        run: poetry run uv pip install psycopg
       - name: Init Website for reflex-web
         working-directory: ./reflex-web
         run: poetry run reflex init

docker-example/production-app-platform/Dockerfile

@@ -52,7 +52,7 @@ FROM python:3.11-slim
 WORKDIR /app
 RUN adduser --disabled-password --home /app reflex
 COPY --chown=reflex --from=init /app /app
-# Install libpq-dev for psycopg2 (skip if not using postgres).
+# Install libpq-dev for psycopg (skip if not using postgres).
 RUN apt-get update -y && apt-get install -y libpq-dev && rm -rf /var/lib/apt/lists/*
 USER reflex
 ENV PATH="/app/.venv/bin:$PATH" PYTHONUNBUFFERED=1

docker-example/production-compose/Dockerfile

@@ -39,7 +39,7 @@ FROM python:3.11-slim
 WORKDIR /app
 RUN adduser --disabled-password --home /app reflex
 COPY --chown=reflex --from=init /app /app
-# Install libpq-dev for psycopg2 (skip if not using postgres).
+# Install libpq-dev for psycopg (skip if not using postgres).
 RUN apt-get update -y && apt-get install -y libpq-dev && rm -rf /var/lib/apt/lists/*
 USER reflex
 ENV PATH="/app/.venv/bin:$PATH" PYTHONUNBUFFERED=1

docker-example/production-compose/compose.prod.yaml

@@ -15,7 +15,7 @@ services:
 
   app:
     environment:
-      DB_URL: postgresql+psycopg2://postgres:secret@db/postgres
+      DB_URL: postgresql+psycopg://postgres:secret@db/postgres
       REDIS_URL: redis://redis:6379
     depends_on:
       - db

reflex/config.py

@@ -82,7 +82,7 @@ class DBConfig(Base):
         )
 
     @classmethod
-    def postgresql_psycopg2(
+    def postgresql_psycopg(
         cls,
         database: str,
         username: str,
@@ -90,7 +90,7 @@ class DBConfig(Base):
         host: str | None = None,
         port: int | None = 5432,
     ) -> DBConfig:
-        """Create an instance with postgresql+psycopg2 engine.
+        """Create an instance with postgresql+psycopg engine.
 
         Args:
             database: Database name.
@@ -103,7 +103,7 @@ class DBConfig(Base):
             DBConfig instance.
         """
         return cls(
-            engine="postgresql+psycopg2",
+            engine="postgresql+psycopg",
             username=username,
             password=password,
             host=host,

tests/units/test_db_config.py

@@ -164,7 +164,7 @@ def test_constructor_postgresql(username, password, host, port, database, expect
             "localhost",
             5432,
             "db",
-            "postgresql+psycopg2://user:pass@localhost:5432/db",
+            "postgresql+psycopg://user:pass@localhost:5432/db",
         ),
         (
             "user",
@@ -172,17 +172,17 @@ def test_constructor_postgresql(username, password, host, port, database, expect
             "localhost",
             None,
             "db",
-            "postgresql+psycopg2://user@localhost/db",
+            "postgresql+psycopg://user@localhost/db",
         ),
-        ("user", "", "", None, "db", "postgresql+psycopg2://user@/db"),
+        ("user", "", "", None, "db", "postgresql+psycopg://user@/db"),
-        ("", "", "localhost", 5432, "db", "postgresql+psycopg2://localhost:5432/db"),
+        ("", "", "localhost", 5432, "db", "postgresql+psycopg://localhost:5432/db"),
-        ("", "", "", None, "db", "postgresql+psycopg2:///db"),
+        ("", "", "", None, "db", "postgresql+psycopg:///db"),
     ],
 )
-def test_constructor_postgresql_psycopg2(
+def test_constructor_postgresql_psycopg(
     username, password, host, port, database, expected_url
 ):
-    """Test DBConfig.postgresql_psycopg2 constructor creates the instance correctly.
+    """Test DBConfig.postgresql_psycopg constructor creates the instance correctly.
 
     Args:
         username: Database username.
@@ -192,10 +192,10 @@ def test_constructor_postgresql_psycopg2(
         database: Database name.
         expected_url: Expected database URL generated.
     """
-    db_config = DBConfig.postgresql_psycopg2(
+    db_config = DBConfig.postgresql_psycopg(
         username=username, password=password, host=host, port=port, database=database
     )
-    assert db_config.engine == "postgresql+psycopg2"
+    assert db_config.engine == "postgresql+psycopg"
     assert db_config.username == username
     assert db_config.password == password
     assert db_config.host == host