A Python library to consume the RavenPack API.
Installation
pip install ravenpackapi
About
The Python client helps managing the API calls to the RavenPack dataset server in a Pythonic way, here are some examples of usage, you can find more in the tests.
Usage
In order to be able to use the RavenPack API you will need an API KEY. If you don’t already have one please contact your customer support representative.
To begin using the API you will need to instantiate an API object that will deal with the API calls.
Using your RavenPack API KEY, you can either set the RP_API_KEY environment variable or set it in your code:
from ravenpackapi import RPApi
api = RPApi(api_key="YOUR_API_KEY")Creating a new dataset
To create a dataset you can call the create_dataset method of the API with a Dataset instance.
from ravenpackapi import Dataset
ds = api.create_dataset(
Dataset(
name="New Dataset",
filters={
"relevance": {
"$gte": 90
}
},
)
)
print("Dataset created", ds)Getting data from the datasets
In the API wrapper, there are several models that maybe used for interacting with data.
Here is how you may get a dataset definition for a pre-existing dataset
# Get the dataset description from the server, here we use 'us30'
# one of RavenPack public datasets with the top30 companies in the US
ds = api.get_dataset(dataset_id='us30')Downloads: json
The json endpoint is useful for asking data synchronously, optimized for small requests, if you need to download big data chunks you may want to use the asynchronous datafile endpoint instead.
data = ds.json(
start_date='2018-01-05 18:00:00',
end_date='2018-01-05 18:01:00',
)
for record in data:
print(record)Json queries are limited to
granular datasets: 10,000 records
indicator datasets: 500 entities, timerange 1 year, lookback window 1 year
Downloads: datafile
For bigger requests the datafile endpoint can be used to prepare a datafile asynchronously on the RavenPack server for later retrieval.
Requesting a datafile, will give you back a job object, that will take some time to complete.
job = ds.request_datafile(
start_date='2018-01-05 18:00:00',
end_date='2018-01-05 18:01:00',
)
with open('output.csv') as fp:
job.save_to_file(filename=fp.name)Streaming real-time data
It is possible to subscribe to a real-time stream for a dataset.
Once you create a streaming connection to the real-time feed with your dataset, you will receive analytics records as soon as they are published.
It is suggested to handle possible disconnection with a retry policy. You can find a real-time streaming example here.
The Result object handles the conversion of various fields into the appropriate type, i.e. record.timestamp_utc will be converted to datetime
Entity mapping
The entity mapping endpoint allow you to find the RP_ENTITY_ID mapped to your universe of entities.
universe = [
"RavenPack",
{'ticker': 'AAPL'},
{ # Amazon, specifying various fields
"client_id": "12345-A",
"date": "2017-01-01",
"name": "Amazon Inc.",
"entity_type": "COMP",
"isin": "US0231351067",
"cusip": "023135106",
"sedol": "B58WM62",
"listing": "XNAS:AMZN"
},
]
mapping = api.get_entity_mapping(universe)
# in this case we match everything
assert len(mapping.matched) == len(universe)
assert [m.name for m in mapping.matched] == [
"RavenPack Ltd.",
"Apple Inc.",
"Amazon.com Inc."
]Entity reference
The entity reference endpoint give you all the available information for an Entity given the RP_ENTITY_ID
ALPHABET_RP_ENTITY_ID = '4A6F00'
references = api.get_entity_reference(ALPHABET_RP_ENTITY_ID)
# show all the names over history
for name in references.names:
print(name.value, name.start, name.end)
# print all the ticket valid today
for ticker in references.tickers:
if ticker.is_valid():
print(ticker)Training Datasets
Analyse your own content using RavenPack’s proprietary NLP technology.
The API for analyzing your internal content is still in beta and may change in the future. You can request an early access and see an example of usage here.
Accessing the low-level requests
RavenPack API wrapper is using the requests library to do HTTPS requests, you can set common requests parameters to all the outbound calls by setting the common_request_params attribute.
For example, to disable HTTPS certificate verification and to setup your internal proxy:
api = RPApi()
api.common_request_params.update(
dict(
proxies={'https': 'http://your_internal_proxy:9999'},
verify=False,
)
)
# use the api to do requestsPS. For setting your internal proxies, requests will honor the HTTPS_PROXY environment variable.
Release files for ravenpackapi 1.1.6
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| ravenpackapi-1.1.6.tar.gz | 47.4 kB | Details |
Release files / ravenpackapi-1.1.6.tar.gz
| Download URL | ravenpackapi-1.1.6.tar.gz |
|---|---|
| Size | 47.4 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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