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72 lines
2.7 KiB
72 lines
2.7 KiB
# igc2kmz photo functions |
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# Copyright (C) 2008 Tom Payne |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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import datetime |
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import os.path |
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import urllib2 |
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import urlparse |
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from coord import Coord |
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import exif |
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class Photo(object): |
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def __init__(self, url, path=None): |
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self.url = url |
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components = urlparse.urlparse(self.url) |
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self.name = os.path.splitext(os.path.basename(components.path))[0] |
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if path: |
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file = open(path) |
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else: |
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file = urllib2.urlopen(self.url) |
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if file.info().typeheader != 'image/jpeg': |
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raise RuntimeError, '%s: not an image/jpeg' % self.url |
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self.jpeg = exif.JPEG(file) |
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if 'DateTimeOriginal' in self.jpeg.exif: |
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self.dt = exif.parse_datetime(self.jpeg.exif['DateTimeOriginal']) |
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elif 'DateTime' in self.jpeg.exif: |
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self.dt = exif.parse_datetime(self.jpeg.exif['DateTime']) |
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else: |
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self.dt = datetime.datetime(2000, 1, 1) |
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if 'GPSVersionID' in self.jpeg.exif: |
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lat = exif.parse_angle(self.jpeg.exif['GPSLatitude']) |
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if self.jpeg.exif['GPSLatitudeRef'] == 'S\0': |
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lat = -lat |
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lon = exif.parse_angle(self.jpeg.exif['GPSLongitude']) |
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if self.jpeg.exif['GPSLongitudeRef'] == 'W\0': |
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lon = -lon |
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if 'GPSAltitude' in self.jpeg.exif: |
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gps_altitude = self.jpeg.exif['GPSAltitude'] |
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ele = float(gps_altitude[0]) / gps_altitude[1] |
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self.elevation_data = True |
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else: |
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ele = 0 |
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self.elevation_data = False |
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self.coord = Coord.deg(lat, lon, ele) |
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else: |
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self.coord = None |
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self.elevation_data = None |
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if 'UserComment' in self.jpeg.exif: |
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user_comment = self.jpeg.exif['UserComment'] |
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self.description = exif.parse_usercomment(user_comment) |
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else: |
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self.description = None |
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def to_html_img(self): |
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return '<img alt="%s" src="%s" height="%d" width="%d"/>' \ |
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% (self.name, self.url, self.jpeg.height, self.jpeg.height)
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