Little script that tries to beautify and clean the names of messily named files in its current directory.

fileNameFormatter

import msvcrt
import os
import sys
import string

currentDirectory = os.path.split(sys.argv[0])[0]

fileNames = [ f for f in os.listdir(currentDirectory) if os.path.isfile(os.path.join(currentDirectory,f)) ]

# Don't include the script
numFiles = len(fileNames) - 1
allowedPunc = '\'!'

'''
Determines how often a character appears at each
index position
'''
count = {}
for fileName in fileNames:
    # Get rid of filetype
    fileName = fileName[:fileName.rfind('.')]
    index = 0
    for char in fileName:
        # Get the list of characters seen at this index
        rangeCharsInCurrIndex = count.get(index, {})
        # Increment the occurance of this char at this index
        updatedCharCount = rangeCharsInCurrIndex.get(char, 0) + 1
        rangeCharsInCurrIndex[char] = updatedCharCount
        # Update count for this index
        count[index] = rangeCharsInCurrIndex
        index += 1
'''
Appends the characters which are found in all names
at the same index into a string
'''
print count
junk = ''
it = -1
for index in count:
    for char in count[index]:
        if count[index][char] == numFiles:
            if it + 1 == index:
                junk += char
            it += 1

if junk:
    print "Removing: " + junk + "\n"
else:
    print "No common junk to remove. \n"

'''
1. Deletes junk
2. Removes the first 2 digits if there are any
3. Replace underlines with spaces
4. Capitalizes words
'''
newNames = {}
for fileName in fileNames:
    if fileName[-2:] == 'py':
        newNames[fileName] = fileName
        continue
    #1
    newName = fileName.replace(junk, '')
    #2
    if fileName[0].isdigit() and fileName[1].isdigit():
        newName = newName[2:]
    #3
    newName = newName.replace('_', ' ')
    #4
    cappedName = ''
    currWord = ''
    newName.capitalize()
    for char in newName:
        if char not in string.punctuation and char != ' ' or char in allowedPunc:
            currWord += char
        else:
            if currWord:
                cappedName += (currWord[0].upper() + currWord[1:]) + " "
                currWord = ''
    cappedName = cappedName[:-1]
    # done
    newName = cappedName + fileName[fileName.rfind('.'):]
    newNames[fileName] = newName
    print "OLD: " + fileName 
    print "NEW: " + newName + "\n"

print "\nProceed? y/n: "
ver = msvcrt.getch().lower()
if ver == 'y':
    for fileName in fileNames:
        rename(fileName, newNames[fileName])
elif ver == 'n':
    exit