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crawler_ckan.py
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crawler_ckan.py
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import pymongo as mongo
from ckanapi import RemoteCKAN
import datetime
from tqdm import tqdm
import urllib.request as req
import json as jsn
now = datetime.datetime.now()
#connect DB
try:
conn = mongo.MongoClient('localhost', 27017)
db = conn['TugasAkhir']
except:
print('Periksa Sambungan Mongo')
#read collection TODO: ambil link dan id
lp = db['ListPemda']
listPemda = {}
for i in lp.find():
listPemda[i['id_pemda']] = i['linkPackage']
#ckan get package
ua = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0'
def getPackage(aList,id):
try:
ckan = RemoteCKAN(aList, user_agent=ua)
package = ckan.action.package_list()
writeDB(package,id)
except:
print('\n ada kesalahan')
# TODO : Untuk setiap percobaan ubah collection agar tidak ada ganguan data utama -> write
def writeDB(data,id):
post = db['packagelist1']
posts = {"id_pemda" : id,
"crawl_at" : now,
"package" : data}
post.insert(posts)
#gabungkan link dan package
def mergePackage():
temp = {}
pl = db['packagelist1']
for i in pl.find():
temp [i['id_pemda']] = i['package']
link_pack = {}
for k,v in listPemda.items():
for i,j in temp.items():
if k == i:
link_pack[v] = j
return link_pack
#get metadata
def getMetadata(key, value, id):
try:
ckan = RemoteCKAN(key, user_agent=ua)
show = ckan.action.package_show(id=value)
writeMeta(show,id,value)
except:
print('\n Terjadi kesalahan')
def getMetadataOldApi(key, value, id, link):
urls = link + '/api/action/package_show?id=' + value
request = req.urlopen(urls)
reads = jsn.load(request)
results = reads['result'][0]
writeMeta(results,id,value)
def writeMeta(data,id,name):
post = db['pemdaMetaNew1']
posts = {"id_pemda" : id,
"crawl_at" : now,
"nama" : name}
temp = {**posts, **data}
post.insert(temp)
if __name__ == '__main__':
import pprint
while True:
print('Crawler CKAN : \n 1. Lihat list CKAN Pemda \n 2. Ambil Package Pemda \n 2.1. Ambil Package Pemda Tertentu \n 3. Ambil Metadata CKAN Pemda Tertentu \n 4. Ambil Semua Metadata CKAN Pemda')
pilihan = input('Masukan pilihan : ')
if pilihan == '1':
print('list ckan : ')
pprint.pprint(listPemda)
elif pilihan == '2':
print('Ambil Package List Pemda \n')
for k,v in tqdm(listPemda.items(), desc='Get Package list'):
getPackage(v,k)
elif pilihan == '2.1':
pemdapil = input('masukan id : ')
for k,v in listPemda.items():
if int(pemdapil) == k:
getPackage(v,k)
elif pilihan == '3':
pemdapilihan = input('masukan id : ')
tipeckan = input('tipe ckan : ')
if tipeckan == 'old':
for i,j in listPemda.items():
if int(pemdapilihan) == i:
lispackage = mergePackage()
for k,v in lispackage.items():
for a in tqdm(range(len(v))):
if j == k:
getMetadataOldApi(k,v[i],i,j)
else:
for i,j in listPemda.items():
if int(pemdapilihan) == i:
lispackage = mergePackage()
for k,v in lispackage.items():
for a in tqdm(range(len(v))):
if j == k:
getMetadata(k,v[i],i)
else:
print("ckan")
tes = mergePackage()
for a,b in listPemda.items():
for k,v in tes.items():
for i in tqdm(range(len(v)), desc='Download Metadata'):
if b == k:
getMetadata(k,v[i],a)
print('Crawler Ckan: ', pilihan)
print('\n ========================================================== \n')