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import os
import sys
import codecs
import exifread
from os import path
from datetime import datetime
class ImageInfo(object):
def __init__(self, path, width, height, time=None, iso=0, model=None):
self.path = path
self.width = width
self.height = height
self.time = time
self.iso = iso
self.model = model
def __str__(self):
time_str = datetime.strftime(
self.time, EXIF_DATE_TIME) if self.time else ''
return 'Image{path=%s,width=%s,height=%s,time=%s,iso=%s,model=%s}' % (
self.path, self.width, self.height,
time_str, self.iso, self.model)
if len(sys.argv) < 2:
print 'Usage: python %s some_directory' % sys.argv[0]
sys.exit(1)
top = unicode(path.normcase(sys.argv[1]))
log = codecs.open(path.join(top, 'log.txt'), 'w', 'utf-8')
for root, dirs, files in os.walk(top):
for name in files:
_, ext = path.splitext(name)
if not ext or ext.lower() not in ['.jpg', '.png']:
continue
rel_path = path.join(root, name)
src_path = path.abspath(rel_path)
print "process file:", src_path
f = open(path.join(root, name), 'rb')
tags = exifread.process_file(f)
f.close()
if not tags:
log.write('No exif tags found for: %s\n' % rel_path)
'''
img_path = src_path
width_str = str(tags.get('EXIF ExifImageWidth'))
height_str = str(tags.get('EXIF ExifImageLength'))
img_w = int(width_str) if width_str and width_str.isdigit() else 0
img_h = int(height_str) if height_str and height_str.isdigit() else 0
time_str = str(tags.get('Image DateTime'))
img_time = datetime.strptime(
time_str, EXIF_DATE_TIME) if time_str else None
iso_str = str(tags.get('EXIF ISOSpeedRatings'))
print 'iso_str=%s' % iso_str
img_iso = int(iso_str) if iso_str and iso_str.isdigit() else 0
img_model = str(tags.get('Image Model'))
img = ImageInfo(img_path, img_w, img_h, time=img_time,
iso=img_iso, model=img_model)
'''
time_str = str(tags.get('Image DateTime')) if tags else None
img_time = datetime.strptime(
time_str, EXIF_DATE_TIME) if time_str else None
if not img_time:
os.stat(src_path)
img_time = datetime.fromtimestamp(os.stat(src_path).st_mtime)
print 'no exif, using last modified time for %s' % name
log.write('using stat modify time for %s\n' % name)
dst_path = path.join(
root, datetime.strftime(img_time, NAME_DATE_TIME)+ext.lower())
if path.exists(dst_path):
print 'dst file exists, no need to rename, skip %s' % name
continue
os.rename(src_path, dst_path)
print 'renamed to', dst_path
log.flush()
log.close()
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