PCC16 YauheniKr (pybites#426)

16/YauheniKr/program.py

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+from request_db import request_as_prefixes, request_as_neighbor
+from tabulate import tabulate
+
+
+def as_prefixes(AS):
+    descr = []
+    route = []
+    list_prefix_data = request_as_prefixes(AS)
+    i = 1
+    for diction in list_prefix_data:
+        if (diction['name'] == 'route' or diction['name'] == 'route6') and i == 0:
+            descr.append('')
+            route.append(diction["value"])
+            i = 0
+        elif diction['name'] == 'descr':
+            descr.append(diction["value"])
+            i = 1
+        elif (diction['name'] == 'route' or diction['name'] == 'route6') and i == 1:
+            route.append(diction["value"])
+            i = 0
+    if len(descr) < len(route):
+        descr.append('')
+    prefix_tuple = tuple(zip(range(1, len(route)+1), route, descr))
+    return prefix_tuple
+
+
+def as_neighbor(AS):
+    dict_data_neighbor = request_as_neighbor(AS)
+    return dict_data_neighbor
+
+
+def main():
+    columns = ['№', 'Route', 'Description']
+    AS = input('Please, insert AS number: ')
+    print()
+    print(f'AS has {as_neighbor(AS)["left"]} uplink AS and has {as_neighbor(AS)["right"]} downlink clients AS')
+    print()
+    print(f'AS has {len(as_prefixes(AS))} public prefixes registered')
+    print()
+    print(tabulate(as_prefixes(AS), headers=columns, tablefmt="grid"))
+
+
+if __name__ == '__main__':
+    main()

16/YauheniKr/readme.md

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+# RIPE NCC Request Tool
+
+This script print table with all public prefixes that belong particular AS 
+from AS pool managed by RIPE NCC(European Regional Internet Registries)
+
+# Description
+
+Written script make request to RIPE NCC DataBase(http://rest.db.ripe.net/)
+and try to retrieve all public prefixes that belongs to public AS. If request 
+return response with error script print 'Incorrect AS number' and empty table.
+Database request in file request_db.by.
+Parsing json output in file program.py
+
+For pretty printing used module named tabulate

16/YauheniKr/request_db.py

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+import json
+import requests
+
+
+def request_as_prefixes(AS):
+    prefix_r = requests.get(f'https://rest.db.ripe.net/search.json?inverse-attribute=origin&source=ripe&query-string'
+                            f'=AS{AS}&types=route')
+    prefix_r.raise_for_status()
+    data = json.loads(prefix_r.text)
+    data_list = [row_at for row in data['objects']['object'] for row_at in row['attributes']['attribute']]
+    common_data_list = [diction for diction in data_list if diction['name'] == 'route' or diction['name'] == 'route6'
+                 or diction['name'] == 'descr']
+    return common_data_list
+
+
+def request_as_neighbor(AS):
+    as_neighbor_r = requests.get(f'https://stat.ripe.net/data/asn-neighbours/data.json?resource={AS}')
+    as_neighbor_r.raise_for_status()
+    data = as_neighbor_r.json()
+    as_neighbor = data['data']['neighbour_counts']
+    return as_neighbor

16/YauheniKr/requirements.txt

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+requests==2.20.0
+tabulate==0.8.2