Files
matitos_news/app_urls

  • Dependencies
conda create -n matitos_urls python=3.12
conda activate matitos_urls
pip install django psycopg[binary] django-redis django-rq
pip install feedparser python-dateutil newspaper4k lxml[html_clean] googlenewsdecoder gnews duckduckgo_search GoogleNews
  • From automated inspectdb
# 1) Inspect DB, generate models.py
python manage.py inspectdb

# 2) Modify models.py

# URLS:
class Urls(models.Model):
    class STATUS_ENUM(models.TextChoices):
        RAW = "raw", "Raw"
        ERROR = "error", "Error"
        VALID = "valid", "Valid"
        UNKNOWN = "unknown", "Unknown"
        INVALID = "invalid", "Invalid"
        DUPLICATE = "duplicate", "Duplicate"

    url = models.TextField(unique=True)
    ts_fetch = models.DateTimeField(auto_now_add=True)
    status = models.TextField(choices=STATUS_ENUM.choices, default=STATUS_ENUM.RAW)  # This field type is a guess.

    class Meta:
        managed = False
        db_table = 'urls'
        ordering = ["-ts_fetch"]

# SEARCH:
class Search(models.Model):
    class TYPE_ENUM(models.TextChoices):
        RSS_FEED = "rss_feed", "RSS_Feed"
        KEYWORD_SEARCH = "keyword_search", "Keyword_Search"
        URL_HOST = "url_host", "URL_Host"

    id = models.SmallAutoField(primary_key=True)
    search = models.TextField(unique=True)
    type = models.TextField(choices=TYPE_ENUM.choices)  # This field type is a guess.

# URL_CONTENT:
class UrlContent(models.Model):
    id_url = models.OneToOneField('Urls', models.DO_NOTHING, db_column='id_url', primary_key=True)
    date_published = models.DateTimeField(blank=True, null=True)
    title = models.TextField(blank=True, null=True)
    description = models.TextField(blank=True, null=True)
    content = models.TextField(blank=True, null=True)
    valid_content = models.BooleanField(blank=True, null=True)
    language = models.CharField(max_length=2, blank=True, null=True)
    keywords = ArrayField(models.TextField(blank=True, null=True))  # This field type is a guess.
    tags = ArrayField(models.TextField(blank=True, null=True))  # This field type is a guess.
    authors = ArrayField(models.TextField(blank=True, null=True))  # This field type is a guess.
    image_main_url = models.TextField(blank=True, null=True)
    images_url = ArrayField(models.TextField(blank=True, null=True))  # This field type is a guess.
    videos_url = ArrayField(models.TextField(blank=True, null=True))  # This field type is a guess.
    url_host = models.TextField(blank=True, null=True)
    site_name = models.TextField(blank=True, null=True)

# TODO: Associate db_table name with a prefix on project_name
class Meta:
    db_table = 'urls' # db_table = '{}_urls'.format(project_name)
  • Environment variables
DB_NAME=${DB_NAME:-matitos}
DB_USER=${DB_NAME:-supermatitos}
DB_PASSWORD=${DB_NAME:-supermatitos}
DB_HOST=${DB_NAME:-localhost}
DB_PORT=${DB_NAME:-5432}

REDIS_HOST=${REDIS_HOST:-localhost}
REDIS_PORT=${REDIS_PORT:-6379}

# Default RQ job timeout
RQ_DEFAULT_TIMEOUT=${REDIS_PORT:-900}
# Default RQ job queue TTL
RQ_DEFAULT_RESULT_TTL=${RQ_DEFAULT_RESULT_TTL:-3600}
  • Django DB
# Generate content for models.py
python manage.py inspectdb
# Migrations
python manage.py makemigrations api; python manage.py migrate --fake-initial
  • Deploy
# Server
python manage.py runserver

# Workers
# python manage.py rqworker high default low
python manage.py rqworker high default low

# Visualize DB
http://localhost:8080/?pgsql=matitos_db&username=supermatitos&db=matitos&ns=public&select=urls&order%5B0%5D=id
  • Utils
python manage.py rqstats
python manage.py rqstats --interval=1  # Refreshes every second
python manage.py rqstats --json  # Output as JSON
python manage.py rqstats --yaml  # Output as YAML