iamsudip planetfeedparser 20130715-185321

Code

 1 #!/usr/bin/env python
 2 import feedparser
 3 import sys
 4 
 5 def error():
 6     """
 7     Function for any kind of argumental error handling
 8     """
 9     print 'Usage: ./rss2parser.py [LINK] [OPTION](optional)'+'\n'
10     print './rss2parser.py: error: you must provide URL like: http://planet.fedoraproject.org/rss*.xml'+'\n'
11     print '[OPTION]'+'\n'
12     print '-l or --link'
13     print '    Print links the posts'
14     sys.exit(-1)
15 
16 
17 
18 def make_food(link, flag=0):
19 """
20 Function to display post titles, respective author and original link to the posts(optional)
21 """
22     #Parsing the rss20.xml document
23     feed = feedparser.parse(link)
24     #Counting total posts
25     total_posts = len(feed.entries)
26     #Counter for loop
27     count = 0
28 
29     #Loop to do the job
30     while count < total_posts:
31 
32         #Fectching author & post titles from 'feed' object
33         author_title = feed.entries[count].title
34 
35         #List index
36         i=0
37         length= len(author_title)
38         author=''
39         post_title=''
40 
41         #Fetching author
42         while author_title[i] != ':':
43             author = author + author_title[i]
44             i +=1
45         #Fetching title
46         while i < length:
47             post_title = post_title + author_title[i]
48             i +=1
49         count += 1
50 
51         #Printing
52         print str(count) + ': Post Title' + post_title
53         print '        Author: ' + author
54 
55         #It is optional part when argument -l or --link given then only it will be execute and show all the link to the respective posts
56         if flag == 1:
57             post_link=feed.entries[count-1].link
58             print '         Link: ' + post_link + '\n'
59 
60 if __name__ == '__main__':
61     arg = len(sys.argv) - 1
62     if arg == 0 or arg > 2:
63         error()
64     if arg == 1:
65         make_food(sys.argv[1])
66         sys.exit(0)
67     if arg == 2:
68         if sys.argv[2]=='-l' or sys.argv[2]=='--link':
69             make_food(sys.argv[1], 1)
70             sys.exit(0)
71         else:
72             error()

Link to code

planetfeedparser.py

Usage

$ ./planetfeedparser.py [LINK] [OPTION](optional)

Link must be like: link1 or link2

Options available are: -l or --link, to display the links to blogposts

How to execute code

Run the above script like:

$ ./planetfeedparser.py http://planet.fedoraproject.org/rss10.xml -l

or:

$ python planetfeedparser.py http://planet.fedoraproject.org/rss20.xml

Example output

Here example output is given below:

sudip@sudip-mint planetfeedparser $ (master) python planetfeedparser.py http://planet.fedoraproject.org/rss10.xml --link

1: Post Title: Converting LibreOffice dialogs to .ui format, 300 conversions milestone
        Author: Caolán McNamara
         Link: http://blogs.linux.ie/caolan/2013/07/15/converting-libreoffice-dialogs-to-ui-format-300-conversions-milestone/

2: Post Title: The GNOME pants are still alive?
        Author: Thomas Vander Stichele
        Link: http://thomas.apestaart.org/log/?p=1559

3: Post Title: How XMir and Mir fit together
        Author: Matthew Garrett
        Link: http://mjg59.dreamwidth.org/26254.html

4: Post Title: Linux init-systems
        Author: Daniel Pocock
        Link: http://danielpocock.com/linux-init-systems

5: Post Title: Fedora 20 kommt ohne SendMail
        Author: Fedora-Blog.de
        Link: http://feedproxy.google.com/~r/Fedora-blogde/~3/rAjpi5VdAhQ/

6: Post Title: Week-end hacks
        Author: Bastien Nocera
        Link: http://www.hadess.net/2013/07/week-end-hacks.html