Merge pull request #1 from ComputerScienceHouse/gh-api-v3

Gh api v3

README.markdown

@@ -1,13 +1,14 @@
 GitHub-Backup
 =============
 
-By Chris Lockfort (devnull@csh.rit.edu) (Github username: Clockfort)
+Idea By Chris Lockfort (devnull@csh.rit.edu) (Github username: Clockfort)
+Python version By Anthony Gargiulo (anthony@agargiulo.com) (Github username: agargiulo)
 
 GitHub-Backup makes a local backup copy of all of a github user's  (or github organization's) repositories. 
 
 Usage
 -----
-"./github-backup.pl USERNAME BACKUP_DIRECTORY"
+"./github-backup.py USERNAME BACKUPDIR [-c|--cron] [-h|--help]"
 
 Then, put it in a cron job somewhere and forget about it for eternity.
 

github-backup.pl

@@ -1,33 +0,0 @@
-#!/usr/bin/perl
-use strict;
-use warnings;
-use LWP::Simple;
-
-die "Please supply a github username and backups directory\n" unless (@ARGV == 2);
-
-my $username = $ARGV[0];
-my $backupdir = $ARGV[1];
-my $page = get("http://github.com/api/v2/yaml/repos/show/$username");
-die "Could not complete github API query for $username\n" unless defined $page;
-
-my @list = split(/\n/, $page);
-my @urls = grep { /url/ } @list;
-my @giturls = grep s/  :url: https/git/, @urls;
-@urls = @giturls;
-my @reponames = grep s/.*$username\///, @giturls;
-
-for(my $i = 0; $i < @urls; ++$i){
-	my $url = $urls[$i];
-	my $name = $reponames[$i];
-	unless(-e $backupdir){
-		system("mkdir $backupdir") and die "Couldn't make $backupdir.\n";
-	}
-	unless(-e "$backupdir/$name"){ #We haven't backed this up before, let's clone it
-		print "CLONING REPOSITORY: $url\n";
-		system("cd $backupdir && git clone $url") and die "Encountered an error while git-cloning repository $name\n";
-	}
-	else{ #We've backed it up before, just fetch the most recent copy
-		print "REPOSITORY EXISTED, FETCHING: $name\n";
-		system("cd $backupdir/$name && git fetch -q") and die "Encountered an error while git-fetching repository $name\n";
-	}
-}

github-backup.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+
+# Author: Anthony Gargiulo (anthony@agargiulo.com)
+# Created Fri Jun 15 2012
+
+from pygithub3 import Github
+from argparse import ArgumentParser
+import os
+
+def main():
+   # A sane way to handle command line args.
+   # Now actually store the args
+   parser = init_parser()
+   args = parser.parse_args()
+
+   # Make the connection to Github here.
+   gh = Github()
+
+   # Get all of the given user's repos
+   user_repos = gh.repos.list(args.username).all()
+   for repo in user_repos:
+      process_repo(repo, args)
+
+def init_parser():
+   """
+   set up the argument parser
+   """
+   parser = ArgumentParser(
+   description="makes a backup of all of a github user's repositories")
+   parser.add_argument("username", help="A Github username")
+   parser.add_argument("backupdir",
+      help="The folder where you want your backups to go")
+   parser.add_argument("-c","--cron", help="Use this when running from a cron job",
+      action="store_true")
+   return parser
+
+
+def process_repo(repo, args):
+   if args.cron:
+      git_args = "-q"
+   else:
+      git_args = ""
+
+   if not args.cron:
+      print("Processing repo: {}".format(repo.full_name))
+
+   if os.access('{}/{}/.git'.format(args.backupdir,repo.name),os.F_OK):
+      if not args.cron:
+         print("Repo already exists, let's try to update it instead")
+      os.system('cd {}/{};git pull {}'.format(args.backupdir, repo.name, git_args))
+   else: # Repo doesn't exist, let's clone it
+      os.system('git clone {} {} {}/{}'.format(git_args, repo.git_url, args.backupdir, repo.name))
+
+if __name__ == "__main__":
+   main()