Python library to manipulate Open Travel Data
Project description
Minimalist GeoBases implementation:
no dependencies
compatible with Python 2.6+, Python 3.x, Pypy
one data source: opentraveldata
one Python module for easier distribution on clusters (like Hadoop)
faster load time (5x)
tested with pytest and tox
>>> from neobase import NeoBase
>>> b = NeoBase()
>>> b.get('ORY', 'city_code_list')
['PAR']
>>> b.get('ORY', 'city_name_list')
['Paris']
>>> b.get('ORY', 'country_code')
'FR'
>>> b.distance('ORY', 'CDG')
34.87...
>>> b.get_location('ORY')
LatLng(lat=48.72..., lng=2.35...)
Installation
You can install directly after cloning:
pip install --user .
Or use the Python package:
pip install --user neobase
Doc
Check out readthedocs for the API.
You can customize fields loaded by subclassing.
class SubNeoBase(NeoBase):
KEY = 0 # iata_code
# Those loaded fields are the default ones
FIELDS = (
("name", 6, None),
("lat", 8, None),
("lng", 9, None),
("page_rank", 12, lambda s: float(s) if s else None),
("country_code", 16, None),
("country_name", 18, None),
('continent_name', 19, None),
("timezone", 31, None),
("city_code_list", 36, lambda s: s.split(",")),
('city_name_list', 37, lambda s: s.split('=')),
('location_type', 41, None),
("currency", 46, None),
)
# Drop duplicates, keep only the first POR with a specific key
# Default value is True
DUPLICATES = False
N = SubNeoBase()
You can also customize the source data when initializing:
with open("file.csv") as f:
N = NeoBase(f)
Otherwise the loaded file will be the embedded one, unless the OPTD_POR_FILE environment variable is set. In that case, it will load from the path defined in that variable.
You can manually retrieve the latest data source yourself too, but you expose yourself to some breaking changes if they occur in the data.
from io import StringIO
from urllib.request import urlopen
from neobase import NeoBase, OPTD_POR_URL
data = urlopen(OPTD_POR_URL).read().decode('utf8')
N = NeoBase(StringIO(data))
N.get("PAR")
Command-line interface
You can query the data using:
python -m neobase PAR NCE
Tests
tox
Project details
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