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import json
from pyquery import PyQuery as pq
import requests
class FetchError(Exception):
pass
def fetch_endpoints():
# We utilize what the Java SDK publishes as a baseline.
resp = requests.get('https://raw2.github.com/aws/aws-sdk-java/master/src/main/resources/etc/regions.xml')
if int(resp.status_code) != 200:
raise FetchError("Failed to fetch the endpoints. Got {0}: {1}".format(
resp.status,
resp.body
))
return resp.text
def parse_xml(raw_xml):
return pq(raw_xml, parser='xml')
def build_data(doc):
data = {}
# Run through all the regions. These have all the data we need.
for region_elem in doc('Regions').find('Region'):
region = pq(region_elem, parser='xml')
region_name = region.find('Name').text()
for endp in region.find('Endpoint'):
service_name = endp.find('ServiceName').text
endpoint = endp.find('Hostname').text
data.setdefault(service_name, {})
data[service_name][region_name] = endpoint
return data
def main():
raw_xml = fetch_endpoints()
doc = parse_xml(raw_xml)
data = build_data(doc)
print(json.dumps(data, indent=4, sort_keys=True))
if __name__ == '__main__':
main()
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