-added missing migration after changing field length

-upgraded isort and configured pyproject to support proper python version
-added postgresql DB and config
-added Makefile to prepare-venv, create-migrations and migrate

Author: Stanoja

.gitignore

@@ -1,4 +1,5 @@
 venv
 __pycache__
+.idea
 web/**/*.sqlite3
 **/.env

Makefile

@@ -1,3 +1,13 @@
+VENV_DIR := venv
+
+prepare-venv:
+	@command -v pyenv >/dev/null 2>&1 || { echo "pyenv not installed"; exit 1; }
+	pyenv install -s
+	python -m venv $(VENV_DIR)
+	$(VENV_DIR)/bin/pip install --upgrade pip
+	@echo "In order to use venv python, please run 'source venv/bin/activate', then install dependencies by running \
+	'make install-dev'."
+
 prepare-web:
 	pip install -r web/requirements.txt
 	cp web/.env.example web/.env
@@ -30,3 +40,9 @@ fix-files:
 	python3 -m black .
 	python3 -m isort .
 	python3 -m flake8 .
+
+create-migrations:
+	python ./web/manage.py makemigrations
+
+migrate:
+	python ./web/manage.py migrate

README.md

@@ -6,6 +6,18 @@ For a demonstration of a page with at least one link, see for example `{baseurl}
 
 ## Notes on installation and usage
 
+To prepare pyenv (`venv`) make sure to have `pyenv` installed, then run
+```bash
+make prepare-env
+source venv/bin/activate
+```
+
+By default, the Mathswitch uses sqlite3 database, in order to use postgresql there is
+a provided `.env.example` config and Docker compose to run the database:
+```bash
+docker compose up -d
+```
+
 To install all the necessary Python packages, run:
 
 ```bash
@@ -22,19 +34,19 @@ cp web/.env.example web/.env
 Next, to create a database, run:
 
 ```bash
-python manage.py migrate
+python web/manage.py migrate
 ```
 
 In order to use the administrative interface, you need to create an admin user:
 
 ```bash
-python manage.py createsuperuser
+python web/manage.py createsuperuser
 ```
 
 Finally, to populate the database, run
 
 ```bash
-python manage.py import_wikidata
+python web/manage.py import_wikidata
 # OR
 make populate-db
 ```
@@ -52,7 +64,7 @@ make populate-db
 If you ever want to repopulate the database, you can clear it using
 
 ```bash
-python manage.py clear_wikidata
+python web/manage.py clear_wikidata
 ```
 
 ### To run the categorizer
@@ -100,12 +112,16 @@ black . && isort . && flake8
 
 Each time after you change a model, make sure to create the appropriate migrations:
 ```bash
-python manage.py makemigrations
+python web/manage.py makemigrations
+# OR
+make create-migrations
 ```
 
 To update the database with the new model, run:
 ```bash
-    python manage.py migrate
+python web/manage.py migrate
+# OR
+make migrate
 ```
 
 ## Instructions for Katja to update the live version

docker-compose.yml

@@ -0,0 +1,16 @@
+volumes:
+  postgres_data:
+
+services:
+  db:
+    image: postgres:17-alpine
+    restart: unless-stopped
+    env_file:
+      - ./web/.env
+    ports:
+      - '${POSTGRES_PORT:-5432}:5432'
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    profiles:
+      - ''
+      - db

pyproject.toml

@@ -1,7 +1,8 @@
 [tool.black]
 extend-exclude = 'migrations'
-target-version = ['py310']
+target-version = ['py312']
+
 [tool.isort]
 extend_skip_glob = ["*/migrations/*"]
 profile = "black"
-py_version = 310
+py_version = 312

requirements.txt

@@ -1,5 +1,5 @@
 black~=25.9.0
-isort~=5.12.0
+isort~=7.0.0
 flake8~=7.3.0
 
 -r ./web/requirements.txt

web/.env.example

@@ -1,2 +1,10 @@
 SECRET_KEY="django-insecure-9wy9w#vf^tde0262doyy_j19=64c()_qub!1)f+fh-b^=7ndw*"
-WIKIPEDIA_CONTACT_EMAIL=my@email.com
+WIKIPEDIA_CONTACT_EMAIL=my@email.com
+
+# DB
+USE_POSTGRES=True
+POSTGRES_DB=mathsdb
+POSTGRES_USER=mathsuser
+POSTGRES_PASSWORD=mathspass
+POSTGRES_HOST=localhost
+POSTGRES_PORT=5432

web/concepts/migrations/0015_alter_categorizerresult_llm_type.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.27 on 2025-12-16 23:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("concepts", "0014_categorizerresult"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="categorizerresult",
+            name="llm_type",
+            field=models.CharField(max_length=100),
+        ),
+    ]

web/requirements.txt

@@ -1,4 +1,5 @@
 Django~=4.2.6
+psycopg2-binary~=2.9.11
 requests~=2.32.5
 spacy~=3.7.0 --prefer-binary
 scispacy~=0.6.2

web/web/settings.py

@@ -31,6 +31,23 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
+USE_POSTGRES = config("USE_POSTGRES", default=False, cast=bool)
+
+POSTGRES_DB = config("POSTGRES_DB", default=None)
+POSTGRES_USER = config("POSTGRES_USER", default=None)
+POSTGRES_PASSWORD = config("POSTGRES_PASSWORD", default=None)
+POSTGRES_HOST = config("POSTGRES_HOST", default=None)
+POSTGRES_PORT = config("POSTGRES_PORT", default="5432")
+
+IS_POSTGRES_CONFIGURED = all(
+    [
+        POSTGRES_DB,
+        POSTGRES_USER,
+        POSTGRES_PASSWORD,
+        POSTGRES_HOST,
+    ]
+)
+
 ALLOWED_HOSTS = ["*"]
 
 
@@ -90,6 +107,18 @@
     }
 }
 
+if USE_POSTGRES and IS_POSTGRES_CONFIGURED:
+    DATABASES = {
+        "default": {
+            "ENGINE": "django.db.backends.postgresql",
+            "NAME": POSTGRES_DB,
+            "USER": POSTGRES_USER,
+            "PASSWORD": POSTGRES_PASSWORD,
+            "HOST": POSTGRES_HOST,
+            "PORT": POSTGRES_PORT,
+        }
+    }
+
 
 # Password validation
 # https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators