126 lines
4.9 KiB
Python
Executable File
126 lines
4.9 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""Iterates over a bunch of .jpg or .cr2 files and matches
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DateTimeOriginal from Exif tag to DateTime in a csv log
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of a GeigerMuellerCounter and writes its value to the UserComment
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Exif tag in µS/h"""
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from datetime import datetime
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import os
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import shutil
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import csv
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import argparse
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import pyexiv2
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import gpxpy
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# SIFACTOR for GQ Geiger counters
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# 300 series: 0.0065 µSv/h / CPM
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# 320 series: 0.0065 µSv/h / CPM
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# 500 series: 0.0065 µSv/h / CPM
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# 500+ series: 0.0065 µSv/h / CPM for the first tube
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# 600 series: 0.0065 µSv/h / CPM
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# 600+ series: 0.002637 µSv/h / CPM
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# Configure argument parser for cli options
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parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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description='''A unix-tyle tool that
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extracts GPS and/or radiation data from GPX/CSV files and writes
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them into the Exif tags of given photos.''')
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parser.add_argument('-si', '--sifactor', type=float, default=0.0065,
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help='Factor to multiply recorded CPM with.')
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parser.add_argument('-d', '--dry', action='store_true',
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help='Dry-run, do not actually write anything.')
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parser.add_argument('csv', metavar='CSV', type=str,
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help='Geiger counter history file in CSV format.')
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parser.add_argument('-g', '--gpx', metavar='GPX', type=str,
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help='GPS track in GPX format')
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parser.add_argument('photos', metavar='Photo', type=str, nargs='+',
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help='One or multiple photo image files to process.')
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parser.add_argument('-o', '--outdir', type=str, default='.',
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help='Directory to output processed photos.')
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args = parser.parse_args()
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# Inform the user about what is going to happen
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if args.outdir == ".":
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print('Modifying photos in place (overwrite)')
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else:
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print('Modifying photos in', str(args.outdir), '(copy)')
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# Print table header
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print('{:<15} {:<20} {:<22}'.format('filename', 'date / time', 'Exif UserComment'))
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for srcphoto in args.photos:
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# Get image file name out of path
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photo_basename = os.path.basename(srcphoto)
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# Decide whether to modify photo in place or to copy it to outdir first
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# Then set the destination file as 'photo' to work on
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if args.outdir == ".":
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photo = srcphoto
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else:
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# be os aware and use the correct directory delimiter for destfile
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dstphoto = os.path.join(args.outdir, photo_basename)
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print('dry-run:', args.dry)
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if args.dry == 'True':
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print('Copying file!')
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shutil.copy(srcphoto, dstphoto)
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photo = dstphoto
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else:
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photo = srcphoto
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# Load Exif data from image
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metadata = pyexiv2.ImageMetadata(photo)
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metadata.read()
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tag = metadata['Exif.Photo.DateTimeOriginal']
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# tag.value creates datetime object in pictime
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pictime = tag.value
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# Import GeigerCounter log
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with open(args.csv, "r") as f:
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csvreader = csv.reader(filter(lambda row: row[0] != '#', f),
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delimiter=',', skipinitialspace=True)
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for _, csvrawtime, csvrawcpm, _ in csvreader:
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csvtime = datetime.fromisoformat(csvrawtime)
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# Process image if its timestamp is found in CSV log (compares 2 datetime objects)
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if csvtime == pictime:
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rad = round(float(csvrawcpm) * args.sifactor, 2)
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# Set key, value for new UserComment
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key = 'Exif.Photo.UserComment'
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new_comment = 'Radiation ☢ ' + str(rad) + ' µS/h'
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metadata[key] = pyexiv2.ExifTag(key, new_comment)
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# print found radiation levels
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print('{:<15} {:<20} {:<22}'.format(photo_basename, str(pictime), new_comment))
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# Write Exif tags to file
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if args.dry == 'True':
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metadata.write()
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break
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else:
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print('{:<15} {:<20} {:<22}'.format(photo_basename, str(pictime), 'NOT FOUND!'))
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# close CSV file
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f.close()
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# Import GPX track(s)
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if args.gpx is not None:
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gpx_file = open(args.gpx, 'r')
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gpxreader = gpxpy.parse(gpx_file)
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for waypoint in gpxreader.waypoints:
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for track in gpxreader.tracks:
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for segment in track.segments:
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for point in segment.points:
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#if pictime == point.time:
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print(type(point.time))
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print(type(pictime))
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print(pictime, 'vs.', point.time)
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# print('Point at ({0},{1}) -> {2}'.format(point.latitude, point.longitude, point.time))
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'''<class 'datetime.datetime'>
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2018-08-04 17:50:16 vs. 2018-08-04 17:50:03.535000+00:00
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<class 'datetime.datetime'>
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2018-08-04 17:50:16 vs. 2018-08-04 17:50:23.327000+00:00'''
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