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Add service URL parsing support for environs

Project description

Travis-CI

environs-serviceurl is a Python library that extends the environs library with support for turning service urls like postgres://user:pass@host:port/database into Python dictionaries.

Install

$ pip install environs-serviceurl

Usage

# export DATABASE_URL=postgres://me:sekrit@postgres.example.com:5432/catpics
# export REDIS_URL=redis://redis.example.com?dbid=3

from environs import Env
from environs_serviceurl import service_url

env = Env()
env.add_parser('service_url', service_url)

# Parse a service url.
postgres_config = env.service_url('DATABASE_URL')
# {'host': 'postgres.example.com',
#  'port': 5432,
#  'user': 'me',
#  'password': 'sekrit',
#  'extras': 'catpics'}

# Give the extras a specific name
postgres_config = env.service_url('DATABASE_URL', extras_name='database')
# {'host': 'postgres.example.com',
#  'port': 5432,
#  'user': 'me',
#  'password': 'sekrit',
#  'database': 'catpics'}

# Parse a service url with defaults, using query params for extra values.
redis_config = env.service_url('REDIS_URL', 'redis://localhost/', defaults={
    'host': 'service.example.com', 'port': 6379, 'dbid': 0})
# {'host': 'redis.example.com',
#  'port': 6379,
#  'user': None,
#  'password': None,
#  'extras': None,
#  'dbid': '3'}

Limitations

There’s currently no way to do casting on any extras or query string paramaters. They will always be returned as string types.

License

MIT. See the LICENSE file for details.

Project details


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