Add timestamp parsing

parse

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-import os, argparse, hashlib, email, email.header, glob, sqlite3
+import os, argparse, hashlib, email, email.header, email.utils, glob, sqlite3, time
 
 parser = argparse.ArgumentParser(description='Parses emails into an SQLite database, and optionally renders static HTML files.')
 
@@ -120,7 +120,11 @@ for email_file in file_list:
 				attachment_file.write(attachment_data)
 				attachment_file.close()
 		
-		timestamp = 0
+		try:
+			timestamp = int(time.mktime(email.utils.parsedate(message['date'])))
+		except TypeError:
+			timestamp = 0
+			print "WARNING: Failed to determine unix timestamp for %s." % sha1_hash
 		
 		new_row = (getheader(message['message-id']), getheader(message['from']), getheader(message['to']), getheader(subject), timestamp, textbody, htmlbody, sha1_hash)
 		cursor.execute("INSERT INTO emails VALUES (?, ?, ?, ?, ?, ?, ?, ?)", new_row)