added memberData function with first step loading json, renamed memberListData function

crawlers/MembersParliamentCrawler.py

@@ -1,6 +1,7 @@
 
 
 import yaml
+import json
 
 import urllib.request, urllib.error, urllib.parse
 
@@ -33,21 +34,18 @@ class membersParliamentCrawler(object):
                 if key in listOfCountries:
                     try:
                         memberList = self.config.get(key).get('memberList')
-                    except:
+                    except Exception as e:
-                        print("There is a problem with the entry memberList in the config.yaml")
+                        print("There is a problem with the entry memberList in the config.yaml - the original error message is:", e)
                     try:
                         memberListLink = memberList.get('link')
-                    except:
+                    except Exception as e:
-                        print("No memberListLink defined in config.yaml")
+                        print("No memberListLink defined in config.yaml - the original error message is:", e)
-                    print(memberListLink)
-                    
                     
                     # download the html page of the List of Members                    
 
                     response = urllib.request.urlopen(memberListLink)
                     webContent = response.read().decode('UTF-8')
 
-                    
                     # save interim results to files
                     
                     f = open('pages/' + key +'MemberList.html', 'w+')
@@ -55,7 +53,7 @@ class membersParliamentCrawler(object):
                     f.close
 
                     
-    def parseMemberData2dictionary(self, listOfCountries):
+    def parseMemberListData2dictionary(self, listOfCountries):
         
         for country in listOfCountries:
             
@@ -64,19 +62,27 @@ class membersParliamentCrawler(object):
                 #use soupparser to handle broken html
                 
                 tree = lxml.html.soupparser.parse('pages/' + country + 'MemberList.html')
-                #for e in tree.iter():
+
-                #    print(e.tag)
+#                for e in tree.iter():
-                
+#
+#                    print(e.tag)
+#                
 #                 for e in tree.xpath('//html//body//form//table//tr//td//table//tr'):
 #                     
 #                     #print(etree.tostring(e).decode())
                 
                 dictionaryMemberList = {}
                 
-                for n in range(len(tree.xpath('//html//body//form//table//tr//td//table//tr'))):
+                countryConf = self.config.get(country)
+                countryConfMemberList = countryConf.get('memberList')
+                countryConfMemberListParent = countryConfMemberList.get('parent')
+                countryConfMemberListChildName = countryConfMemberList.get('child-name')
+                countryConfMemberListChildLink = countryConfMemberList.get('child-link')
+                
+                for n in range(len(tree.xpath(countryConfMemberListParent))):
                     
-                    name = tree.xpath('//html//body//form//table//tr//td//table//tr[' + str(n) + ']//td//a//text()')
+                    name = tree.xpath(countryConfMemberListParent + '[' + str(n) + ']' + countryConfMemberListChildName)
-                    link = tree.xpath('//html//body//form//table//tr//td//table//tr[' + str(n) + ']//td//a//@href')
+                    link = tree.xpath(countryConfMemberListParent + '[' + str(n) + ']' + countryConfMemberListChildLink)
                     
                     if len(name) > 0:
                     
@@ -88,7 +94,27 @@ class membersParliamentCrawler(object):
             except Exception as e:
                 
                 print('parsing the html did not work. Possibly you first have to downloadMemberListPagesOfCountries(). The original error message is:', e)
-
+            
+            # save interim results to files
+            
             f = open('output/' + country +'MemberList.txt', 'w+')
             f.write(str(dictionaryMemberList))
             f.close
+
+    def parseMemberData2dictionary(self, listOfCountries):
+        
+        for country in listOfCountries:
+            
+            f = open('output/' + country +'MemberList.txt')
+            text = f.read()
+            
+            # replace quotes with double quotes because of JSON specification - RFC7159 which would result in error for json.loads function
+            text = text.replace("\'", "\"")
+            
+            dictionaryMemberList = json.loads(text)
+
+            for member in dictionaryMemberList:
+                
+                print('oi')
+                print(dictionaryMemberList[member]['link'])
+            

crawlers/config.yaml

@@ -2,11 +2,13 @@
 # Follow the syntax and dont use tbody as it gets added by the browser (when researching xpath through inspector)
 
 # xpath syntax: https://www.w3schools.com/xml/xpath_syntax.asp
+# lxml xpath syntax: https://www.geeksforgeeks.org/web-scraping-using-lxml-and-xpath-in-python/
 
 nicaragua:
+  domain: 'http://legislacion.asamblea.gob.ni'
   memberList:
     link:  'http://legislacion.asamblea.gob.ni/Tablas%20Generales.nsf/Main.xsp'
-    parent:  'html//body//form//table//tr//td//table'
+    parent:  '//html//body//form//table//tr//td//table//tr'
     child-name:  '//td//a/text()'
     child-link:  '//td//a/@href'
   member:

crawlers/useMembersParliamentCrawler.py

@@ -11,4 +11,6 @@ Crawler = membersParliamentCrawler(config)
 
 #Crawler.downloadMemberListPagesOfCountries(listOfCountries)
 
+#Crawler.parseMemberListData2dictionary(listOfCountries)
+
 Crawler.parseMemberData2dictionary(listOfCountries)