Add video geotagging support using avmetareadwrite on OS X
This commit is contained in:
Jaisen Mathai
parent
0f7bfd9f23
commit
8221e3c020
@ -1,3 +1 @@
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from media import Media
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from photo import Photo
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from video import Video
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from media import *
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@ -19,6 +19,10 @@ import time
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Media class for general video operations
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"""
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class Media(object):
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# class / static variable accessible through get_valid_extensions()
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video_extensions = ('avi','m4v','mov','mp4','3gp')
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photo_extensions = ('jpg', 'jpeg', 'nef', 'dng')
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"""
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@param, source, string, The fully qualified path to the video file
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"""
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@ -201,12 +205,17 @@ class Media(object):
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return mimetype[0]
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def get_class_by_file(Media, _file):
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@classmethod
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def get_class_by_file(Media, _file, classes):
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extension = os.path.splitext(_file)[1][1:].lower()
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if(extension in Photo.get_valid_extensions()):
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return Photo
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elif(extension in Video.get_valid_extensions()):
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return Video
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else:
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return None
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name = None
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if(extension in Media.photo_extensions):
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name = 'Photo'
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elif(extension in Media.video_extensions):
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name = 'Video'
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for i in classes:
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if(name == i.__name__):
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return i(_file)
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return None
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@ -9,17 +9,17 @@ from datetime import datetime
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import mimetypes
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import os
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import pyexiv2
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import re
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import time
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from elodie.media.media import Media
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from media import Media
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from elodie import geolocation
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"""
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Video class for general photo operations
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Photo class for general photo operations
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"""
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class Photo(Media):
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# class / static variable accessible through get_valid_extensions()
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__valid_extensions = ('jpg', 'jpeg', 'nef', 'dng')
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"""
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@param, source, string, The fully qualified path to the photo file
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@ -48,11 +48,77 @@ class Photo(Media):
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return re.search('(\d{2}:\d{2}.\d{2})', key).group(1).replace('.', ':')
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return None
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"""
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Set album for a photo
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@param, name, string, Name of album
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@returns, boolean
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"""
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def set_album(self, name):
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if(name is None):
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return False
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source = self.source
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exif_metadata = pyexiv2.ImageMetadata(source)
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exif_metadata.read()
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exif_metadata['Xmp.elodie.album'] = name
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exif_metadata.write()
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"""
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Set the date/time a photo was taken
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@param, time, datetime, datetime object of when the photo was taken
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@returns, boolean
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"""
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def set_datetime(self, time):
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if(time is None):
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return False
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source = self.source
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exif_metadata = pyexiv2.ImageMetadata(source)
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exif_metadata.read()
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exif_metadata['Exif.Photo.DateTimeOriginal'].value = time
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exif_metadata['Exif.Image.DateTime'].value = time
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exif_metadata.write()
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return True
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"""
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Set lat/lon for a photo
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@param, latitude, float, Latitude of the file
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@param, longitude, float, Longitude of the file
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@returns, boolean
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"""
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def set_location(self, latitude, longitude):
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if(latitude is None or longitude is None):
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return False
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source = self.source
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exif_metadata = pyexiv2.ImageMetadata(source)
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exif_metadata.read()
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exif_metadata['Exif.GPSInfo.GPSLatitude'] = geolocation.decimal_to_dms(latitude)
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exif_metadata['Exif.GPSInfo.GPSLatitudeRef'] = pyexiv2.ExifTag('Exif.GPSInfo.GPSLatitudeRef', 'N' if latitude >= 0 else 'S')
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exif_metadata['Exif.GPSInfo.GPSLongitude'] = geolocation.decimal_to_dms(longitude)
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exif_metadata['Exif.GPSInfo.GPSLongitudeRef'] = pyexiv2.ExifTag('Exif.GPSInfo.GPSLongitudeRef', 'E' if longitude >= 0 else 'W')
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exif_metadata.write()
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return True
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"""
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Static method to access static __valid_extensions variable.
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def set_location(self, latitude, longitude):
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return None
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@returns, tuple
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"""
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@classmethod
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def get_valid_extensions(Photo):
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return Photo.__valid_extensions
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return Media.photo_extensions
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@ -5,23 +5,25 @@ Video package that handles all video operations
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# load modules
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from distutils.spawn import find_executable
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import tempfile
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from sys import argv
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from datetime import datetime
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import mimetypes
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import os
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import re
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import shutil
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import subprocess
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import time
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from elodie.media.media import Media
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from media import Media
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"""
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Video class for general video operations
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"""
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class Video(Media):
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# class / static variable accessible through get_valid_extensions()
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__valid_extensions = ('avi','m4v','mov','mp4','3gp')
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"""
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@param, source, string, The fully qualified path to the video file
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@ -29,8 +31,63 @@ class Video(Media):
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def __init__(self, source=None):
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super(Video, self).__init__(source)
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# We only want to parse EXIF once so we store it here
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self.exif = None
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"""
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Get latitude or longitude of photo from EXIF
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@returns, time object or None for non-video files or 0 timestamp
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"""
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def get_coordinate(self, type='latitude'):
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exif_data = self.get_exif()
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if(exif_data is None):
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return None
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coords = re.findall('(GPS %s +: .+)' % type.capitalize(), exif_data)
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if(coords is None or len(coords) == 0):
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return None
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coord_string = coords[0]
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coordinate = re.findall('([0-9.]+)', coord_string)
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direction = re.search('[NSEW]$', coord_string)
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if(coordinate is None or direction is None):
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return None
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direction = direction.group(0)
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decimal_degrees = float(coordinate[0]) + float(coordinate[1])/60 + float(coordinate[2])/3600
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if(direction == 'S' or direction == 'W'):
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decimal_degrees = decimal_degrees * -1
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return decimal_degrees
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"""
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Get the date which the video was taken.
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The date value returned is defined by the min() of mtime and ctime.
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@returns, time object or None for non-video files or 0 timestamp
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"""
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def get_date_taken(self):
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if(not self.is_valid()):
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return None
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source = self.source
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seconds_since_epoch = min(os.path.getmtime(source), os.path.getctime(source))
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# We need to parse a string from EXIF into a timestamp.
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# we use date.strptime -> .timetuple -> time.mktime to do the conversion in the local timezone
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exif_data = self.get_exif()
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for key in ['Creation Date', 'Media Create Date']:
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date = re.search('%s +: +([0-9: ]+)' % key, exif_data)
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if(date is not None):
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date_string = date.group(1)
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try:
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seconds_since_epoch = time.mktime(datetime.strptime(date_string, '%Y:%m:%d %H:%M:%S').timetuple())
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break
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except:
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pass
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if(seconds_since_epoch == 0):
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return None
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return time.gmtime(seconds_since_epoch)
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"""
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Get the duration of a video in seconds.
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@ -50,6 +107,183 @@ class Video(Media):
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return re.search('(\d{2}:\d{2}.\d{2})', key).group(1).replace('.', ':')
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return None
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"""
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Get exif data from video file.
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Not all video files have exif and this currently relies on the CLI exiftool program
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@returns, string or None if exiftool is not found
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"""
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def get_exif(self):
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exiftool = find_executable('exiftool')
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if(exiftool is None):
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return None
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source = self.source
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process_output = subprocess.Popen(['%s "%s"' % (exiftool, source)], stdout=subprocess.PIPE, shell=True)
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return process_output.stdout.read()
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"""
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Get a dictionary of metadata for a video.
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All keys will be present and have a value of None if not obtained.
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@returns, dictionary or None for non-video files
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"""
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def get_metadata(self):
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if(not self.is_valid()):
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return None
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source = self.source
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metadata = {
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"date_taken": self.get_date_taken(),
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"latitude": self.get_coordinate('latitude'),
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"longitude": self.get_coordinate('longitude'),
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"album": None,
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#"length": self.get_duration(),
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"mime_type": self.get_mimetype(),
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"base_name": os.path.splitext(os.path.basename(source))[0],
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"extension": self.get_extension()
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}
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return metadata
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"""
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Set album for a photo
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Not yet implemented
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@param, name, string, Name of album
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@returns, boolean
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"""
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def set_album(self, name):
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if(name is None):
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return False
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"""
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Set the date/time a photo was taken
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@param, time, datetime, datetime object of when the photo was taken
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@returns, boolean
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"""
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def set_datetime(self, time):
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if(time is None):
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return False
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source = self.source
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exif_metadata = pyexiv2.ImageMetadata(source)
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exif_metadata.read()
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exif_metadata['Exif.Photo.DateTimeOriginal'].value = time
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exif_metadata['Exif.Image.DateTime'].value = time
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exif_metadata.write()
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return True
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"""
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Set lat/lon for a video
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@param, latitude, float, Latitude of the file
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@param, longitude, float, Longitude of the file
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@returns, boolean
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"""
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def set_location(self, latitude, longitude):
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if(latitude is None or longitude is None):
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return False
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print 'SET LOCATION %s %s' % (latitude, longitude)
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result = self.__update_using_plist(latitude=latitude, longitude=longitude)
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return result
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def __update_using_plist(self, **kwargs):
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if('latitude' not in kwargs and 'longitude' not in kwargs):
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print 'No lat/lon passed into __create_plist'
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return False
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avmetareadwrite = find_executable('avmetareadwrite')
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if(avmetareadwrite is None):
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print 'Could not find avmetareadwrite'
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return False
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source = self.source
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# First we need to write the plist for an existing file to a temporary location
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with tempfile.NamedTemporaryFile() as plist_temp:
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# We need to write the plist file in a child process but also block for it to be complete.
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# http://stackoverflow.com/a/5631819/1318758
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avmetareadwrite_generate_plist_command = '%s -p "%s" "%s"' % (avmetareadwrite, plist_temp.name, source)
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write_process = subprocess.Popen([avmetareadwrite_generate_plist_command], stdout=subprocess.PIPE, shell=True)
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streamdata = write_process.communicate()[0]
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if(write_process.returncode != 0):
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print 'Failed to generate plist file'
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return False
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with open(plist_temp.name, 'r') as plist_written:
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plist_text = plist_written.read()
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# Once the plist file has been written we need to open the file to read and update it.
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plist_final = None
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with open(plist_temp.name, 'w') as plist_written:
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# Depending on the kwargs that were passed in we regex the plist_text before we write it back.
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if('latitude' in kwargs and 'longitude' in kwargs):
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latitude = kwargs['latitude']
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longitude = kwargs['longitude']
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# Add a literal '+' to the lat/lon if it is positive.
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# Do this first because we convert longitude to a string below.
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lat_sign = '+' if latitude > 0 else ''
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# We need to zeropad the longitude.
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# No clue why - ask Apple.
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# We set the sign to + or - and then we take the absolute value and fill it.
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lon_sign = '+' if longitude > 0 else '-'
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longitude_str = '{:9.5f}'.format(abs(longitude)).replace(' ', '0')
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print longitude_str
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print '>%s%s%s%s' % (lat_sign, latitude, lon_sign, longitude_str)
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plist_updated_text = re.sub('\>([+-])([0-9.]+)([+-])([0-9.]+)', '>%s%s%s%s' % (lat_sign, latitude, lon_sign, longitude_str), plist_text);
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plist_final = plist_written.name
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plist_written.write(plist_updated_text)
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f = open('/Users/jaisenmathai/dev/tools/elodie/script.plist', 'w')
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f.write(plist_updated_text)
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f.close()
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print plist_updated_text
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# If we've written to the plist file then we proceed
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if(plist_final is None):
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print 'plist file was not be written to'
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return False
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# We create a temporary file to save the modified file to.
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# If the modification is successful we will update the existing file.
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temp_movie = None
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with tempfile.NamedTemporaryFile() as temp_file:
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temp_movie = temp_file.name
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# We need to block until the child process completes.
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# http://stackoverflow.com/a/5631819/1318758
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avmetareadwrite_command = '%s -w %s "%s" "%s"' % (avmetareadwrite, plist_written.name, source, temp_movie)
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update_process = subprocess.Popen([avmetareadwrite_command], stdout=subprocess.PIPE, shell=True)
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streamdata = update_process.communicate()[0]
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print streamdata
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if(update_process.returncode != 0):
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print '%s did not complete successfully' % avmetareadwrite_command
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return False
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# Before we do anything destructive we confirm that the file is in tact.
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metadata = self.get_metadata()
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if(metadata['latitude'] is None or metadata['longitude'] is None or metadata['date_taken'] is None):
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print 'Something went wrong updating video metadata'
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return False
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# Copy file information from original source to temporary file before copying back over
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print 'copy from %s to %s' % (temp_movie, source)
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shutil.copystat(source, temp_movie)
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shutil.move(temp_movie, source)
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return True
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"""
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Static method to access static __valid_extensions variable.
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@ -57,7 +291,7 @@ class Video(Media):
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"""
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@classmethod
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def get_valid_extensions(Video):
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return Video.__valid_extensions
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return Media.video_extensions
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class Transcode(object):
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# Constructor takes a video object as it's parameter
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@ -5,26 +5,24 @@ import shutil
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import sys
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from elodie import arguments
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from elodie.media.photo import Media
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from elodie.media.photo import Photo
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from elodie.media.video import Video
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def main(argv):
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args = arguments.parse(argv, None, ['file=','type='], './import.py --type=<photo or video> --file=<path to file>')
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args = arguments.parse(argv, None, ['file='], './import.py --file=<path to file>')
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if('file' not in args):
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print 'No file specified'
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sys.exit(1)
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if('type' in args and args['type'] == 'video'):
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media_type = Video
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else:
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media_type = Photo
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media = Media.get_class_by_file(args['file'], [Photo, Video])
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if(media is None):
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print 'Not a valid file'
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sys.exit(1)
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media = media_type(args['file'])
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metadata = media.get_metadata()
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print '%r' % metadata
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output = {'date_taken': metadata['date_taken']}
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print '%r' % output
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@ -6,6 +6,7 @@ import sys
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from elodie import arguments
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from elodie import geolocation
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from elodie.media.photo import Media
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from elodie.media.photo import Photo
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from elodie.media.video import Video
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@ -16,12 +17,12 @@ def main(argv):
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print 'No file specified'
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sys.exit(1)
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if('type' in args and args['type'] == 'photo'):
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media_type = Photo
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else:
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media_type = Video
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media = Media.get_class_by_file(args['file'], [Photo, Video])
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if(media is None):
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print 'Not a valid file'
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sys.exit(1)
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media = media_type(args['file'])
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metadata = media.get_metadata()
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place_name = geolocation.place_name(metadata['latitude'], metadata['longitude'])
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39
update.py
39
update.py
@ -29,10 +29,6 @@ def parse_arguments(args):
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return config
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def main(config, args):
|
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try:
|
||||
pyexiv2.xmp.register_namespace('https://github.com/jmathai/elodie/', 'elodie')
|
||||
except KeyError:
|
||||
pass
|
||||
location_coords = None
|
||||
for arg in args:
|
||||
if(arg[:2] == '--'):
|
||||
@ -54,19 +50,20 @@ def main(config, args):
|
||||
if(_class is None):
|
||||
continue
|
||||
|
||||
write = False
|
||||
exif_metadata = pyexiv2.ImageMetadata(file_path)
|
||||
exif_metadata.read()
|
||||
media = _class(file_path)
|
||||
|
||||
updated = False
|
||||
if(config['location'] is not None):
|
||||
if(location_coords is None):
|
||||
location_coords = geolocation.coordinates_by_name(config['location'])
|
||||
|
||||
if(location_coords is not None and 'latitude' in location_coords and 'longitude' in location_coords):
|
||||
exif_metadata['Exif.GPSInfo.GPSLatitude'] = geolocation.decimal_to_dms(location_coords['latitude'])
|
||||
exif_metadata['Exif.GPSInfo.GPSLatitudeRef'] = pyexiv2.ExifTag('Exif.GPSInfo.GPSLatitudeRef', 'N' if location_coords['latitude'] >= 0 else 'S')
|
||||
exif_metadata['Exif.GPSInfo.GPSLongitude'] = geolocation.decimal_to_dms(location_coords['longitude'])
|
||||
exif_metadata['Exif.GPSInfo.GPSLongitudeRef'] = pyexiv2.ExifTag('Exif.GPSInfo.GPSLongitudeRef', 'E' if location_coords['longitude'] >= 0 else 'W')
|
||||
write = True
|
||||
location_status = media.set_location(location_coords['latitude'], location_coords['longitude'])
|
||||
if(location_status != True):
|
||||
print 'Failed to update location'
|
||||
sys.exit(1)
|
||||
updated = True
|
||||
|
||||
|
||||
if(config['time'] is not None):
|
||||
time_string = config['time']
|
||||
@ -79,21 +76,15 @@ def main(config, args):
|
||||
sys.exit(1)
|
||||
|
||||
if(time_format is not None):
|
||||
exif_metadata['Exif.Photo.DateTimeOriginal'].value = datetime.strptime(time_string, time_format)
|
||||
exif_metadata['Exif.Image.DateTime'].value = datetime.strptime(time_string, time_format)
|
||||
write = True
|
||||
time = datetime.strptime(time_string, time_format)
|
||||
media.set_datetime(time)
|
||||
updated = True
|
||||
|
||||
if(config['album'] is not None):
|
||||
exif_metadata['Xmp.elodie.album'] = config['album']
|
||||
write = True
|
||||
media.set_album(config['album'])
|
||||
updated = True
|
||||
|
||||
if(write == True):
|
||||
exif_metadata.write()
|
||||
|
||||
exif_metadata = pyexiv2.ImageMetadata(file_path)
|
||||
exif_metadata.read()
|
||||
|
||||
media = _class(file_path)
|
||||
if(updated == True):
|
||||
dest_path = filesystem.process_file(file_path, destination, media, move=True, allowDuplicate=True)
|
||||
print '%s -> %s' % (file_path, dest_path)
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user