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Update Metadata Viewer gramplet to use a tree view

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svn: r17892
This commit is contained in:
Nick Hall 2011-07-02 17:29:59 +00:00
parent 59f4dc3fe9
commit e305834f5a
1 changed files with 90 additions and 41 deletions
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131
src/plugins/gramplet/MetadataViewer.py
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@ -1,3 +1,5 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Gramps - a GTK+/GNOME based genealogy program # Gramps - a GTK+/GNOME based genealogy program
# #
# Copyright (C) 2011 Nick Hall # Copyright (C) 2011 Nick Hall
@ -20,7 +22,7 @@
# $Id$ # $Id$
# #
from ListModel import ListModel, NOSORT from ListModel import ListModel
from gen.plug import Gramplet from gen.plug import Gramplet
from gen.ggettext import gettext as _ from gen.ggettext import gettext as _
import gen.lib import gen.lib
@ -28,15 +30,60 @@ import DateHandler
import datetime import datetime
import gtk import gtk
import Utils import Utils
import sys
import pyexiv2 import pyexiv2
# v0.1 has a different API to v0.2 and above # v0.1 has a different API to v0.2 and above
if hasattr(pyexiv2, 'version_info'): if hasattr(pyexiv2, 'version_info'):
LesserVersion = False OLD_API = False
else: else:
# version_info attribute does not exist prior to v0.2.0 # version_info attribute does not exist prior to v0.2.0
LesserVersion = True OLD_API = True
def format_datetime(exif_dt):
"""
Convert a python datetime object into a string for display, using the
standard Gramps date format.
"""
if type(exif_dt) != datetime.datetime:
return ''
date_part = gen.lib.Date()
date_part.set_yr_mon_day(exif_dt.year, exif_dt.month, exif_dt.day)
date_str = DateHandler.displayer.display(date_part)
time_str = _('%(hr)02d:%(min)02d:%(sec)02d') % {'hr': exif_dt.hour,
'min': exif_dt.minute,
'sec': exif_dt.second}
return _('%(date)s %(time)s') % {'date': date_str, 'time': time_str}
def format_gps(tag_value):
"""
Convert a (degrees, minutes, seconds) tuple into a string for display.
"""
return "%d°%02d'%05.2f\"" % (tag_value[0], tag_value[1], tag_value[2])
IMAGE = _('Image')
CAMERA = _('Camera')
GPS = _('GPS')
TAGS = [(IMAGE, 'Exif.Image.ImageDescription', None, None),
(IMAGE, 'Exif.Image.Rating', None, None),
(IMAGE, 'Exif.Photo.DateTimeOriginal', None, format_datetime),
(IMAGE, 'Exif.Image.Artist', None, None),
(IMAGE, 'Exif.Image.Copyright', None, None),
(IMAGE, 'Exif.Photo.PixelXDimension', None, None),
(IMAGE, 'Exif.Photo.PixelYDimension', None, None),
(CAMERA, 'Exif.Image.Make', None, None),
(CAMERA, 'Exif.Image.Model', None, None),
(CAMERA, 'Exif.Photo.FNumber', None, None),
(CAMERA, 'Exif.Photo.ExposureTime', None, None),
(CAMERA, 'Exif.Photo.ISOSpeedRatings', None, None),
(CAMERA, 'Exif.Photo.FocalLength', None, None),
(CAMERA, 'Exif.Photo.MeteringMode', None, None),
(CAMERA, 'Exif.Photo.ExposureProgram', None, None),
(CAMERA, 'Exif.Photo.Flash', None, None),
(GPS, 'Exif.GPSInfo.GPSLatitude',
'Exif.GPSInfo.GPSLatitudeRef', format_gps),
(GPS, 'Exif.GPSInfo.GPSLongitude',
'Exif.GPSInfo.GPSLongitudeRef', format_gps)]
class MetadataViewer(Gramplet): class MetadataViewer(Gramplet):
""" """
@ -56,13 +103,14 @@ class MetadataViewer(Gramplet):
top = gtk.TreeView() top = gtk.TreeView()
titles = [(_('Key'), 1, 250), titles = [(_('Key'), 1, 250),
(_('Value'), 2, 350)] (_('Value'), 2, 350)]
self.model = ListModel(top, titles) self.model = ListModel(top, titles, list_mode="tree")
return top return top
def main(self): def main(self):
active_handle = self.get_active('Media') active_handle = self.get_active('Media')
media = self.dbstate.db.get_object_from_handle(active_handle) media = self.dbstate.db.get_object_from_handle(active_handle)
self.sections = {}
self.model.clear() self.model.clear()
if media: if media:
self.display_exif_tags(media) self.display_exif_tags(media)
@ -78,12 +126,13 @@ class MetadataViewer(Gramplet):
""" """
Return True if the gramplet has data, else return False. Return True if the gramplet has data, else return False.
""" """
# pylint: disable-msg=E1101
if media is None: if media is None:
return False return False
full_path = Utils.media_path_full(self.dbstate.db, media.get_path()) full_path = Utils.media_path_full(self.dbstate.db, media.get_path())
if LesserVersion: # prior to v0.2.0 if OLD_API: # prior to v0.2.0
try: try:
metadata = pyexiv2.Image(full_path) metadata = pyexiv2.Image(full_path)
except IOError: except IOError:
@ -107,24 +156,32 @@ class MetadataViewer(Gramplet):
""" """
Display the exif tags. Display the exif tags.
""" """
# pylint: disable-msg=E1101
full_path = Utils.media_path_full(self.dbstate.db, media.get_path()) full_path = Utils.media_path_full(self.dbstate.db, media.get_path())
if LesserVersion: # prior to v0.2.0 if OLD_API: # prior to v0.2.0
try: try:
metadata = pyexiv2.Image(full_path) metadata = pyexiv2.Image(full_path)
except IOError: except IOError:
self.set_has_data(False) self.set_has_data(False)
return return
metadata.readMetadata() metadata.readMetadata()
for key in metadata.exifKeys(): for section, key, key2, func in TAGS:
label = metadata.tagDetails(key)[0] if key in metadata.exifKeys():
if key in ("Exif.Image.DateTime", if section not in self.sections:
"Exif.Photo.DateTimeOriginal", node = self.model.add([section, ''])
"Exif.Photo.DateTimeDigitized"): self.sections[section] = node
human_value = format_datetime(metadata[key]) else:
else: node = self.sections[section]
human_value = metadata.interpretedExifValue(key) label = metadata.tagDetails(key)[0]
self.model.add((label, human_value)) if func:
human_value = func(metadata[key])
else:
human_value = metadata.interpretedExifValue(key)
if key2:
human_value += ' ' + metadata.interpretedExifValue(key2)
self.model.add((label, human_value), node=node)
self.model.tree.expand_all()
else: # v0.2.0 and above else: # v0.2.0 and above
metadata = pyexiv2.ImageMetadata(full_path) metadata = pyexiv2.ImageMetadata(full_path)
@ -133,29 +190,21 @@ class MetadataViewer(Gramplet):
except IOError: except IOError:
self.set_has_data(False) self.set_has_data(False)
return return
for key in metadata.exif_keys: for section, key, key2, func in TAGS:
tag = metadata[key] if key in metadata.exif_keys:
if key in ("Exif.Image.DateTime", if section not in self.sections:
"Exif.Photo.DateTimeOriginal", node = self.model.add([section, ''])
"Exif.Photo.DateTimeDigitized"): self.sections[section] = node
human_value = format_datetime(tag.value) else:
else: node = self.sections[section]
human_value = tag.human_value tag = metadata[key]
self.model.add((tag.label, human_value)) if func:
human_value = func(tag.value)
self.set_has_data(self.model.count > 0) else:
human_value = tag.human_value
if key2:
human_value += ' ' + metadata[key2].human_value
self.model.add((tag.label, human_value), node=node)
self.model.tree.expand_all()
def format_datetime(exif_dt): self.set_has_data(self.model.count > 0)
"""
Convert a python datetime object into a string for display, using the
standard Gramps date format.
"""
if type(exif_dt) != datetime.datetime:
return ''
date_part = gen.lib.Date()
date_part.set_yr_mon_day(exif_dt.year, exif_dt.month, exif_dt.day)
date_str = DateHandler.displayer.display(date_part)
time_str = _('%(hr)02d:%(min)02d:%(sec)02d') % {'hr': exif_dt.hour,
'min': exif_dt.minute,
'sec': exif_dt.second}
return _('%(date)s %(time)s') % {'date': date_str, 'time': time_str}