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120 lines
4.5 KiB
120 lines
4.5 KiB
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import yaml
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import json
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import urllib.request, urllib.error, urllib.parse
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from lxml import etree
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import lxml.html
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import lxml.html.soupparser
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class membersParliamentCrawler(object):
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def __init__(self, configFile):
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with open(configFile, "r") as stream:
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try:
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self.config = yaml.safe_load(stream)
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except yaml.YAMLError as exc:
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print(exc)
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# input list of countries in form of ['nicaragua', 'honduras', .. , 'mexico']
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def downloadMemberListPagesOfCountries(self, listOfCountries):
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# download only html pages of the countries specified in input
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for country in listOfCountries:
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for key in self.config:
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if key in listOfCountries:
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try:
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memberList = self.config.get(key).get('memberList')
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except Exception as e:
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print("There is a problem with the entry memberList in the config.yaml - the original error message is:", e)
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try:
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memberListLink = memberList.get('link')
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except Exception as e:
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print("No memberListLink defined in config.yaml - the original error message is:", e)
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# download the html page of the List of Members
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response = urllib.request.urlopen(memberListLink)
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webContent = response.read().decode('UTF-8')
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# save interim results to files
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f = open('pages/' + key +'MemberList.html', 'w+')
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f.write(webContent)
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f.close
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def parseMemberListData2dictionary(self, listOfCountries):
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for country in listOfCountries:
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try:
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#use soupparser to handle broken html
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tree = lxml.html.soupparser.parse('pages/' + country + 'MemberList.html')
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# for e in tree.iter():
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#
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# print(e.tag)
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#
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# for e in tree.xpath('//html//body//form//table//tr//td//table//tr'):
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#
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# #print(etree.tostring(e).decode())
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dictionaryMemberList = {}
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countryConf = self.config.get(country)
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countryConfMemberList = countryConf.get('memberList')
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countryConfMemberListParent = countryConfMemberList.get('parent')
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countryConfMemberListChildName = countryConfMemberList.get('child-name')
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countryConfMemberListChildLink = countryConfMemberList.get('child-link')
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for n in range(len(tree.xpath(countryConfMemberListParent))):
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name = tree.xpath(countryConfMemberListParent + '[' + str(n) + ']' + countryConfMemberListChildName)
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link = tree.xpath(countryConfMemberListParent + '[' + str(n) + ']' + countryConfMemberListChildLink)
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if len(name) > 0:
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dictionaryMemberList[name[0]] = {}
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dictionaryMemberList[name[0]]['name'] = name[0]
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dictionaryMemberList[name[0]]['link'] = link[0]
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except Exception as e:
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print('parsing the html did not work. Possibly you first have to downloadMemberListPagesOfCountries(). The original error message is:', e)
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# save interim results to files
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f = open('output/' + country +'MemberList.txt', 'w+')
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f.write(str(dictionaryMemberList))
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f.close
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def parseMemberData2dictionary(self, listOfCountries):
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for country in listOfCountries:
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f = open('output/' + country +'MemberList.txt')
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text = f.read()
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# replace quotes with double quotes because of JSON specification - RFC7159 which would result in error for json.loads function
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text = text.replace("\'", "\"")
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dictionaryMemberList = json.loads(text)
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for member in dictionaryMemberList:
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print('oi')
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print(dictionaryMemberList[member]['link'])
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