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set image file date from exif data
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| #!/usr/bin/env python | |
| # https://gist.github.com/ikoblik/7089165 | |
| """A simple utility to restore file creation and modification | |
| dates back to their original values from EXIF. | |
| This script requires exif module to be installed or the exif | |
| command line utility to be in the path. | |
| To function correctly under windows this script needs win32file and | |
| win32con modules. Otherwise it will not be able to restore the creation | |
| date.""" | |
| import os, sys, time, re, glob | |
| import os.path | |
| from datetime import datetime, timedelta | |
| from PIL import Image | |
| from PIL.ExifTags import TAGS | |
| TEN_MINUTES = timedelta(minutes=10) | |
| __description = """Restores file's creation and modification dates back to the original | |
| value from EXIF. | |
| usage: exif_date.py [File name mask]""" | |
| def get_exif_timestamp(src) : | |
| ret = {} | |
| exifTimestamp = '' | |
| i = Image.open(src) | |
| try : | |
| info = i._getexif() | |
| if info is None: | |
| import re | |
| m = re.search(r'(\d{4})(\d{2})(\d{2})(?:-|_)(\d{2})(\d{2})(\d{2})', src) | |
| if m is not None and len(m.groups()) == 6: | |
| return '{}:{}:{} {}:{}:{}'.format(m.group(1),m.group(2),m.group(3),m.group(4),m.group(5),m.group(6)) | |
| m = re.search(r'(\d{4})-(\d{2})-(\d{2}) (\d{2})\.(\d{2})\.(\d{2})', src) | |
| if m is not None and len(m.groups()) == 6: | |
| return '{}:{}:{} {}:{}:{}'.format(m.group(1),m.group(2),m.group(3),m.group(4),m.group(5),m.group(6)) | |
| for tag, value in info.items() : | |
| decoded = TAGS.get(tag, tag) | |
| ret[decoded] = value | |
| if ret.get('DateTimeOriginal') != None : | |
| return ret['DateTimeOriginal'] | |
| if ret.get('DateTimeDigitized') != None: | |
| return ret['DateTimeDigitized'] | |
| if ret.get('DateTime') != None: | |
| return ret['DateTime'] | |
| except Exception as e : | |
| print(e) | |
| return exifTimestamp | |
| def getFileDates(path): | |
| """Returns a dictionary of file creation (ctime), modification (mtime), exif (exif) dates""" | |
| dates = {} | |
| exif_timestamp = get_exif_timestamp(path) | |
| if exif_timestamp != '': | |
| dates['exif'] = datetime.strptime(exif_timestamp, '%Y:%m:%d %H:%M:%S') | |
| else: | |
| dates['exif'] = None | |
| dates['mtime'] = datetime.utcfromtimestamp(os.path.getmtime(path)) | |
| dates['ctime'] = datetime.utcfromtimestamp(os.path.getctime(path)) | |
| return dates | |
| def setFileDates(fileName, dates): | |
| """Sets file modification and creation dates to the specified value""" | |
| os.utime(fileName, (time.mktime(dates['exif'].utctimetuple()),)*2) | |
| def fixFileDate(fileName): | |
| """Reads file's EXIF header, gets the earliest date and sets it to the file""" | |
| dates = getFileDates(fileName) | |
| if (dates['exif']): | |
| cmp_time = lambda x, y: x - y > TEN_MINUTES | |
| diff = [cmp_time(dates[x], dates['exif']) for x in ('mtime', 'ctime')] | |
| if(sum(diff)): | |
| setFileDates(fileName, dates) | |
| return dates, diff | |
| else: | |
| return dates, None | |
| def main(args): | |
| if (not len(args)): | |
| return - 1 | |
| processedFiles = [] | |
| for fileNameMask in args: | |
| if "*" in fileNameMask or "?" in fileNameMask: | |
| print("Looking for files with mask " + fileNameMask) | |
| for fileName in filter(lambda x: x not in processedFiles, glob.glob(fileNameMask)): | |
| processedFiles.append(fileName) | |
| print(fileName + ' - ') | |
| try: | |
| dates, diff = fixFileDate(fileName) | |
| except Exception as e: | |
| print(e) | |
| diff = None | |
| if (not diff): | |
| print('SKIP, NO EXIF') | |
| else: | |
| if (sum(diff) != 0): | |
| print('SET TO "%s" (updated M:%d, C:%d)' % (dates['exif'].strftime('%Y:%m:%d %H:%M:%S'), diff[0], diff[1])) | |
| else: | |
| print('OK') | |
| return 0 | |
| if __name__ == '__main__': | |
| sys.exit(main(sys.argv[1:])) |
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