Doc string related changes and code enhancement

README.md

@@ -1,4 +1,4 @@
 geeksforgeeks-pdf
 =================
 
-This Python script aimed to download all Amazon Interview Experience from GeeksforGeeks website. You can modify this script to download as per your need.
+This Python script is created with an objective to download all Amazon Interview Experience Questions from GeeksforGeeks website. You can modify this script to download as per your need.

geeksforgeeks-pdf.py

@@ -1,53 +1,52 @@
 import httplib2
 import pdfcrowd
+import urllib2
 from bs4 import BeautifulSoup, SoupStrainer
 
 http = httplib2.Http()
-s= 'http://www.geeksforgeeks.org/'
-i=0
-to_crawl=[]
-to_crawl.append(s)
+s = 'http://www.geeksforgeeks.org/'
+i = 0
+to_crawl = [s]
 status, response = http.request(s)
-crawled=[]
-crawled.append(s)
+crawled = [s]
 
 
 for link in BeautifulSoup(response, parse_only=SoupStrainer('a')):
         if link.has_attr('href'):
-            li=link['href']
-            #print li
+            li = link['href']
+            # print li
             if li.find('http://www.geeksforgeeks.org')==0 and li not in crawled and li.find('forums')<0:
                 to_crawl.append(li)
 
 
-#print to_crawl
-print len(to_crawl)
-count=0
+# print to_crawl
+print(len(to_crawl))
+count = 0
 
+# Helper method to get page
 def get_page(page):
-    import urllib2
-    source=urllib2.urlopen(page)
+    source = urllib2.urlopen(page)
     return source.read()
 
-
+# Helper method to save the pdf
 def save_as_pdf(s):
     global i
     try:
         client = pdfcrowd.Client("mkap1234", "fc5ada9fbd1c55f46822d6e9e985a9bb")
         output_file = open('amazon'+str(i)+'.pdf', 'wb')
-        i=i+1
-        html=get_page(s)
+        i = i + 1
+        html = get_page(s)
         client.convertHtml(html, output_file)
         output_file.close()
-    except pdfcrowd.Error,why:
+    except pdfcrowd.Error, why:
         print 'Failed:', why
 
 
 while len(to_crawl):
-    b=to_crawl.pop()
+    b = to_crawl.pop()
     if b.find('http://www.geeksforgeeks.org')==0 and b not in crawled and b.find('forums')<0:
-        count=count+1
-        print count
+        count = count + 1
+        print(count)
         crawled.append(b)
         status, response = http.request(b)
         for link in BeautifulSoup(response, parse_only=SoupStrainer('a')):
@@ -64,14 +63,14 @@ def save_as_pdf(s):
 
 for st in crawled:
     if st.find('amazon')>=0 and st.find('#')<0 and st.find('tag')<0 and st.find('forum')<0:
-        print st
+        print(st)
         amazon.append(st)
 
 
 
-print "Finished"
-print len(amazon)
+print("Processing Finished")
+print(len(amazon))
 
-
+# Saving all the pages fetched as pdf  
 for page in amazon:
     save_as_pdf(page)