Fetch gdata, Parse Video Title, and Much More with Python

#!/usr/bin/python
#/home/clockworkpc/bin/tubemixingsave.py

# Released under a GPLv3 Licence by Clockwork PC 2012
# www.clockworkpc.com.au

# You are entitled to the following four freedoms:
# Freedom 0: To run this program for any purpose
# Freedom 1: To study how this program works and change it to make it do what you wish
# Freedom 2: To redistribute copies so you can help your neighbour
# Freedom 3: To distribute copies of your modified version to others

import os, datetime, re

now = datetime.datetime.now()
nowstring = str(now.strftime("%Y%m%d%H%M"))

print nowstring

tubemixingFolder = "/tmp/tubemixing/"
videoFolder = os.getenv("HOME") + "/Videos/"
saveFolder = videoFolder + "tubemixing/"
originalVideosFolder = saveFolder + "OriginalVideos/"
namedVideosFolder = saveFolder + "NamedVideos/"
videoListsFolder = saveFolder + "VideoLists/"
videoListsFile = videoListsFolder + nowstring
videoDataFolder = saveFolder + "gdata_text_files/"

# Copy videos from Tubemixing temp folder
os.system("cp -R -f "+ tubemixingFolder + " " + videoFolder)

# Remove prefix
# NOTE: I set Tubemixing to save by default to 360p.
# You'll have to tweak it if you save higher resolution by default.
preFix1 = "tubemixing-360p-"
preFix2 = "tubemixing--"

# First pass (most of the files are saved with preFix1)
os.listdir(saveFolder)
for filename in os.listdir(saveFolder):
    if filename.startswith(preFix1):
        os.rename(saveFolder+filename,saveFolder+filename[16:])

# Second pass (some files are saved with preFix2)
os.listdir(saveFolder)
for filename in os.listdir(saveFolder):
    if filename.startswith(preFix2):
        os.rename(saveFolder+filename,saveFolder+filename[12:])

# Use wget to fetch gdata

for filename in os.listdir(saveFolder):
    if len(filename) == 11:
        os.system("cd ~/Videos/tubemixing/gdata_text_files/ && wget" + " " "http://gdata.youtube.com/feeds/api/videos/" + filename + " " + "-O" + " " + filename)

# Parse video title from data fetched from YouTube
print os.listdir(videoDataFolder)
for filename in os.listdir(videoDataFolder):
    f = open(videoDataFolder+filename)
    for line in f:
        if "<title type='text'>" in line:
            x = line
            r = re.compile("<title type='text'>(.*?)</title><content")
            m = r.search(x)
            if m:
                titleInfo = m.group(1)
                print titleInfo
# Using video title, save properly named and suffixed files in a new folder
                os.system("cp -v " + saveFolder + filename + " " + namedVideosFolder + "'" + titleInfo + "'" + ".webm")
                os.system("mv -v " + saveFolder + filename + " " + originalVideosFolder + filename)