Pdf Downloader script added

Automation/src/Downloader/pdf_download.py

@@ -0,0 +1,51 @@
+from requests import get
+from urllib.parse import urljoin
+from os import path, getcwd
+import os
+from bs4 import BeautifulSoup as soup
+from sys import argv
+import os,sys
+
+def get_page(base_url):
+    req= get(base_url)
+    if req.status_code==200:
+        return req.text
+    raise Exception('Error {0}'.format(req.status_code))
+
+def get_all_links(html):
+    bs= soup(html,"html.parser")
+    links= bs.findAll('a')
+    print(links)
+    return links
+
+def get_pdf(base_url, base_dir):
+    html= get_page(base_url)
+    links= get_all_links(html)
+    if len(links)==0:
+        raise Exception('No links found on the webpage')
+    n_pdfs= 0
+    os.chdir('output_pdfs')
+    for link in links:
+        print(link)
+        break
+        if link['href'][-4:]=='.pdf':
+            n_pdfs+= 1
+            content= get(urljoin(base_url, link['href']))
+            #if content.status==200 and content.headers['content-type']=='application/pdf':
+            with open(link.text+'.pdf', 'wb') as pdf:
+                pdf.write(content.content)
+    if n_pdfs==0:
+        raise Exception('No pdfs found on the page')
+    #print "{0} pdfs downloaded and saved in {1}".format(n_pdfs, base_dir)
+
+
+if __name__ == "__main__":
+
+
+	if(len(sys.argv)!=2):
+		print("Invalid number of Arguments")
+		raise SystemExit
+	else:
+		url_path = sys.argv[1]
+		output_path=os.getcwd()
+		get_pdf(url_path,output_path)