Python Code for Automatically Renaming and Filing Screenshots on the Mac

tidyScreenshots.py

import os
import re

root = '/Users/jcur002/Dropbox/Screenshots'
Files = os.listdir(root)

pat1 = re.compile('Screenshot (?P<year>[0-9]{4})\-(?P<month>[0-9]{2})\-(?P<day>[0-9]{2}) (?P<hh>[0-9]{2})\.(?P<mm>[0-9]{2})\.(?P<ss>[0-9]{2})(\.png)?')
pat2 = re.compile('Screen Shot (?P<year>[0-9]{4})\-(?P<month>[0-9]{2})\-(?P<day>[0-9]{2}) at (?P<hh>[0-9]{1,2})\.(?P<mm>[0-9]{2})\.(?P<ss>[0-9]{2}) *(?P<am>AM|PM)*(\.png)?')


for f in Files:
    m1 = pat1.match(f)
    m2 = pat2.match(f)
    
    if m1 or m2:
        if m1:
            m = m1
        else:
            m = m2
            
        year = m.group('year')
        month = m.group('month')
        day = m.group('day')
        
        hh = m.group('hh')
        mm = m.group('mm')
        ss = m.group('ss')
        
        if m2:
            am = True if m.group('am') ==  'AM' else False
            
            if not am:
                hh = int(hh) + 12
                hh = str(hh)
                
                
        newname = '{year}-{month}-{day} {hh}.{mm}.{ss}.png'.format(year = year,
                                                                   month = month, 
                                                                   day = day,
                                                                   hh = hh,
                                                                   mm = mm, 
                                                                   ss = ss)
       
        dirPath = os.path.join(root, year)
        
        if not os.path.isdir(dirPath):
            os.mkdir(dirPath)
            
        oldPath = os.path.join(root, f)
        newPath = os.path.join(root, year, newname)
               
        os.rename(oldPath, newPath)