Swappped out MetadataViewer Gramplet in MediaView bottombar for Exif from Nick Hall.

svn: r16915
This commit is contained in:
Rob G. Healey 2011-03-25 04:00:45 +00:00
parent caec97cb7f
commit e551c1c94b
5 changed files with 82 additions and 570 deletions

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@ -0,0 +1,68 @@
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2011 Nick Hall
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
#
from ListModel import ListModel, NOSORT
from gen.plug import Gramplet
from gen.ggettext import gettext as _
import gtk
import pyexiv2
import Utils
class Exif(Gramplet):
"""
Displays the exif tags of an image.
"""
def init(self):
self.gui.WIDGET = self.build_gui()
self.gui.get_container_widget().remove(self.gui.textview)
self.gui.get_container_widget().add_with_viewport(self.gui.WIDGET)
self.gui.WIDGET.show()
self.connect_signal('Media', self.update)
def build_gui(self):
"""
Build the GUI interface.
"""
top = gtk.TreeView()
titles = [(_('Section'), 0, 150),
(_('Key'), 1, 250),
(_('Value'), 2, 350)]
self.model = ListModel(top, titles)
return top
def main(self):
active_handle = self.get_active('Media')
media = self.dbstate.db.get_object_from_handle(active_handle)
self.model.clear()
if media:
self.display_exif_tags(media)
def display_exif_tags(self, media):
"""
Display the exif tags.
"""
full_path = Utils.media_path_full(self.dbstate.db, media.get_path())
metadata = pyexiv2.ImageMetadata(full_path)
metadata.read()
for key in metadata.exif_keys:
tag = metadata[key]
self.model.add((tag.section_name, tag.label, tag.human_value))

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@ -24,7 +24,7 @@ pkgdata_PYTHON = \
Notes.py \ Notes.py \
PedigreeGramplet.py \ PedigreeGramplet.py \
PersonDetails.py \ PersonDetails.py \
MetadataViewer.py \ Exif.py \
PersonResidence.py \ PersonResidence.py \
PlaceDetails.py \ PlaceDetails.py \
PluginManagerGramplet.py\ PluginManagerGramplet.py\

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@ -1,558 +0,0 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2011 Rob G. Healey <robhealey1 [AT] gmail [DOT] com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
#
# *****************************************************************************
# Python Modules
# *****************************************************************************
from decimal import *
getcontext().prec = 4
import os, sys
from datetime import datetime, date
import time
# abilty to escape certain characters from html output...
from xml.sax.saxutils import escape as _html_escape
from fractions import Fraction
#------------------------------------------------
# Gtk/ Gramps modules
#------------------------------------------------
import gtk
from gen.ggettext import gettext as _
# import the pyexiv2 library classes for this addon
_DOWNLOAD_LINK = "http://tilloy.net/dev/pyexiv2/"
pyexiv2_required = True
Min_VERSION_str = "pyexiv2-%d.%d.%d" % (0, 1, 3)
LesserVersion = False
Min_VERSION = (0, 1, 3)
PrefVersion_str = "pyexiv2-%d.%d.%d" % (0, 3, 0)
try:
import pyexiv2
if pyexiv2.version_info < Min_VERSION:
pyexiv2_required = False
except ImportError:
raise Exception((_("The python binding library, pyexiv2, to exiv2 is not "
"installed on this computer.\n It can be downloaded from here: %s\n\n"
"You will need to download at least %s . I recommend that you download "
"and install, %s .") % ( _DOWNLOAD_LINK, Min_VERSION_str, PrefVersion_str)).encode(sys.getfilesystemencoding()) )
except AttributeError:
LesserVersion = True
if not pyexiv2_required:
raise Exception((_("The minimum required version for pyexiv2 must be %s \n"
"or greater. You may download it from here: %s\n\n I recommend getting, "
"%s .") % ( Min_VERSION_str, _DOWNLOAD_LINK, PrefVersion_str).encode(sys.getfilesystemencoding())) )
from gen.plug import Gramplet
from DateHandler import displayer as _dd
import gen.lib
import Utils
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
# available image types for exiv2
_valid_types = ["jpeg", "exv", "tiff", "dng", "nef", "pef", "pgf", "png", "psd", "jp2", "jpg"]
# set up Exif keys for Image.exif_keys
ImageArtist = "Exif.Image.Artist"
ImageCopyright = "Exif.Image.Copyright"
ImageDateTime = "Exif.Image.DateTime"
ImageLatitude = "Exif.GPSInfo.GPSLatitude"
ImageLatitudeRef = "Exif.GPSInfo.GPSLatitudeRef"
ImageLongitude = "Exif.GPSInfo.GPSLongitude"
ImageLongitudeRef = "Exif.GPSInfo.GPSLongitudeRef"
ImageDescription = "Exif.Image.ImageDescription"
_DATAMAP = [ImageArtist, ImageCopyright, ImageDateTime,
ImageLatitude, ImageLatitudeRef, ImageLongitude, ImageLongitudeRef,
ImageDescription]
_allmonths = list( [_dd.short_months[i], _dd.long_months[i], i] for i in range(1, 13) )
"""
This addon/ gramplet will display an image's metadata if the python library,
pyexiv2-0.1.3 or greater, is installed? You may download it from:
http://tilloy.net/dev/pyexiv2/
"""
class MetadataViewer(Gramplet):
def init(self):
self.exif_column_width = 15
self.exif_widgets = {}
# set all dirty variables to False to begin this gramplet
self._dirty_image = False
self.plugin_image = False
mtype = False
rows = gtk.VBox()
for items in [
("Artist", _("Artist/ Author"), None, True, [], False, 0, None),
("Copyright", _("Copyright"), None, True, [], False, 0, None),
# Manual Date
("NewDate", _("Date"), None, True, [], False, 0, None),
# Manual Time
("NewTime", _("Time"), None, True, [], False, 0, None),
# Latitude and Longitude for this image
("Latitude", _("Latitude"), None, True, [], False, 0, None),
("Longitude", _("Longitude"), None, True, [], False, 0, None) ]:
pos, text, choices, readonly, callback, dirty, default, source = items
row = self.make_row(pos, text, choices, readonly, callback, dirty, default, source)
rows.pack_start(row, False)
# separator before description textbox
rows.pack_start( gtk.HSeparator(), True )
# description textbox label
label = gtk.Label()
label.set_text("<b><u>%s</u></b>" % _("Description"))
label.set_use_markup(True)
rows.pack_start(label, False)
# description textbox field
description_box = gtk.TextView()
description_box.set_wrap_mode(gtk.WRAP_WORD)
description_box.set_editable(True)
self.exif_widgets["Description"] = description_box.get_buffer()
rows.pack_start(description_box, True, True, 0)
self.gui.get_container_widget().remove(self.gui.textview)
self.gui.get_container_widget().add_with_viewport(rows)
rows.show_all()
def post_init(self):
self.connect_signal("Media", self.update)
def db_changed(self):
self.dbstate.db.connect('media-update', self.update)
self.update()
def active_changed(self, handle):
self.update()
def main(self): # return false finishes
# clear all data entry fields
self.clear_metadata(None)
active_handle = self.get_active('Media')
active_media = self.dbstate.db.get_object_from_handle(active_handle)
if not active_media:
return
# get mime type and make sure it is an image?
mime_type = active_media.get_mime_type()
if mime_type and mime_type.startswith("image"):
value, filetype = mime_type.split("/")
# make sure it is a media type that can be used by exiv2?
found = any(_type == filetype for _type in _valid_types)
if not found:
return
else:
# prevent writing or reading from non MIME images
return
# make sure media is on the computer?
image_path = Utils.media_path_full(self.dbstate.db, active_media.get_path() )
if not os.path.exists(image_path):
return
# make sure the file permissions allow reading?
readable = os.access(image_path, os.R_OK)
if not readable:
return
# define plugin media
self.plugin_image = pyexiv2.ImageMetadata(image_path)
if LesserVersion:
try:
self.plugin_image.readMetadata()
except IOError:
return
else:
# read media metadata
try:
self.plugin_image.read()
except IOError:
return
# set up image metadata keys for use in this gramplet
dataKeyTags = [KeyTag for KeyTag in self.plugin_image.exif_keys if KeyTag in _DATAMAP]
for KeyTag in dataKeyTags:
# Media image Artist
if KeyTag == ImageArtist:
self.exif_widgets["Artist"].set_text(
self._get_value(KeyTag)
)
# media image Copyright
elif KeyTag == ImageCopyright:
self.exif_widgets["Copyright"].set_text(
self._get_value(KeyTag)
)
# media image DateTime
elif KeyTag == ImageDateTime:
# date1 may come from the image metadata
# date2 may come from the Gramps database
date1 = self._get_value(KeyTag)
date2 = active_media.get_date_object()
use_date = date1 or date2
if use_date:
rdate, rtime = self.process_date(use_date)
self.exif_widgets["NewDate"].set_text(rdate)
self.exif_widgets["NewTime"].set_text(rtime)
# Latitude and Latitude Reference
elif KeyTag == ImageLatitude:
latitude = self._get_value(ImageLatitude)
longitude = self._get_value(ImageLongitude)
# if latitude and longitude exist, display them...
if (latitude and longitude):
# split latitude metadata into (degrees, minutes, and seconds) from Rational
latdeg, latmin, latsec = rational_to_dms(latitude, self.ValueType)
# split longitude metadata into degrees, minutes, and seconds
longdeg, longmin, longsec = rational_to_dms(longitude, self.ValueType)
latfail = any(value == False for value in [latdeg, latmin, latsec])
longfail = any(value == False for value in [longdeg, longmin, longsec])
if not latfail and not longfail:
# Latitude Direction Reference
LatitudeRef = self._get_value(ImageLatitudeRef)
self.exif_widgets["Latitude"].set_text(
"""%s° %s %s%s""" % (latdeg, latmin, latsec, LatitudeRef)
)
# Longitude Direction Reference
LongitudeRef = self._get_value(ImageLongitudeRef)
self.exif_widgets["Longitude"].set_text(
"""%s° %s %s%s""" % (longdeg, longmin, longsec, LongitudeRef)
)
# Image Description Field
elif KeyTag == ImageDescription:
self.exif_widgets["Description"].set_text(
self._get_value(ImageDescription)
)
def make_row(self, pos, text, choices=None, readonly=False, callback_list=[],
mark_dirty=False, default=0, source=None):
# Data Entry:
row = gtk.HBox()
label = gtk.Label()
if readonly:
label.set_text("<b>%s</b>" % text)
label.set_width_chars(self.exif_column_width)
label.set_use_markup(True)
self.exif_widgets[pos] = gtk.Label()
self.exif_widgets[pos].set_alignment(0.0, 0.5)
self.exif_widgets[pos].set_use_markup(True)
label.set_alignment(0.0, 0.5)
row.pack_start(label, False)
row.pack_start(self.exif_widgets[pos], False)
else:
label.set_text("%s: " % text)
label.set_width_chars(self.exif_column_width)
label.set_alignment(1.0, 0.5)
if choices == None:
self.exif_widgets[pos] = gtk.Entry()
if mark_dirty:
self.exif_widgets[pos].connect("changed", self._mark_dirty_image)
row.pack_start(label, False)
row.pack_start(self.exif_widgets[pos], True)
else:
eventBox = gtk.EventBox()
self.exif_widgets[pos] = gtk.combo_box_new_text()
eventBox.add(self.exif_widgets[pos])
for add_type in choices:
self.exif_widgets[pos].append_text(add_type)
self.exif_widgets[pos].set_active(default)
if mark_dirty:
self.exif_widgets[pos].connect("changed", self._mark_dirty_image)
row.pack_start(label, False)
row.pack_start(eventBox, True)
if source:
label = gtk.Label()
label.set_text("%s: " % source[0])
label.set_width_chars(self.de_source_width)
label.set_alignment(1.0, 0.5)
self.exif_widgets[source[1] + ":Label"] = label
self.exif_widgets[source[1]] = gtk.Entry()
if mark_dirty:
self.exif_widgets[source[1]].connect("changed", self._mark_dirty_image)
row.pack_start(label, False)
row.pack_start(self.exif_widgets[source[1]], True)
if not self.show_source:
self.exif_widgets[source[1]].hide()
for name, text, cbtype, callback in callback_list:
if cbtype == "button":
label = gtk.Label()
label.set_text(text)
self.exif_widgets[pos + ":" + name + ":Label"] = label
row.pack_start(label, False)
icon = gtk.STOCK_EDIT
size = gtk.ICON_SIZE_MENU
button = gtk.Button()
image = gtk.Image()
image.set_from_stock(icon, size)
button.add(image)
button.set_relief(gtk.RELIEF_NONE)
button.connect("clicked", callback)
self.exif_widgets[pos + ":" + name] = button
row.pack_start(button, False)
elif cbtype == "checkbox":
button = gtk.CheckButton(text)
button.set_active(True)
button.connect("clicked", callback)
self.exif_widgets[pos + ":" + name] = button
row.pack_start(button, False)
row.show_all()
return row
def clear_metadata(self, obj):
"""
clears all data fields to nothing
"""
for key in [ "Artist", "Copyright", "NewDate", "NewTime",
"Latitude", "Longitude", "Description" ]:
self.exif_widgets[key].set_text( "" )
def process_date(self, tmpDate):
"""
Process the date for read and write processes
year, month, day, hour, minutes, seconds
@param: tmpDate = variable to be processed
"""
year, month, day = False, False, False
now = time.localtime()
datetype = tmpDate.__class__
# get local time for when if it is not available?
hour, minutes, seconds = now[3:6]
found = any(datetype == _type for _type in [datetime, date, gen.lib.date.Date])
if found:
#ImageDateTime is in datetime.datetime format
if datetype == datetime:
year, month, day = tmpDate.year, tmpDate.month, tmpDate.day
hour, minutes, seconds = tmpDate.hour, tmpDate.minute, tmpDate.second
# ImageDateTime is in datetime.date format
elif datetype == date:
year, month, day = tmpDate.year, tmpDate.month, tmpDate.day
# ImageDateTime is in gen.lib.date.Date format
elif datetype == gen.lib.date.Date:
year, month, day = tmpDate.get_year(), tmpDate.get_month(), tmpDate.get_day()
# ImageDateTime is in string format
elif datetype == str:
# separate date and time from the string
if "/" in tmpDate:
rdate, rtime = tmpDate.split("/")
elif tmpDate.count(" ") == 1:
rdate, rtime = tmpDate.split(" ")
else:
rdate = tmpDate
rtime = False
# split date elements
year, month, day = _split_values(rdate)
# split time elements if not False
if rtime is not False:
hour, minutes, seconds = _split_values(rtime)
hour, minutes, seconds = int(hour), int(minutes), int(seconds)
found = any(value == False for value in [year, month, day] )
if not found:
# convert values to integers
year, day = int(year), int(day)
month = _return_month(month)
if isinstance(month, int):
rdate = "%04d-%s-%02d" % (year, _dd.long_months[month], day)
elif isinstance(month, str):
rdate = "%04d-%s-%02d" % (year, month, day)
rtime = "%02d:%02d:%02d" % (hour, minutes, seconds)
return rdate, rtime
def _get_value(self, KeyTag):
"""
gets the value from the Exif Key, and returns it...
@param: KeyTag -- image metadata key
@param: image -- pyexiv2 ImageMetadata instance
"""
self.ValueType = None
if "Exif" in KeyTag:
try:
KeyValue = self.plugin_image[KeyTag].raw_value
self.ValueType = 1
except KeyError:
KeyValue = self.plugin_image[KeyTag].value
self.ValueType = 0
except ValueError:
KeyValue = ""
except AttributeError:
KeyValue = ""
# Iptc KeyTag
elif "Iptc" in KeyTag:
try:
KeyValue = self.plugin_image[KeyTag].value
except KeyError:
KeyValue = ""
except ValueError:
KeyValue = ""
except AttributeError:
KeyValue = ""
return KeyValue
#------------------------------------------------
# Retrieve metadata from image
#------------------------------------------------
def convert_value(value):
"""
will take a value from the coordinates and return its value
"""
if isinstance(value, pyexiv2.Rational):
value = value.numerator
else:
value = (value.numerator / value.denominator)
return value
def rational_to_dms(coords, ValueType):
"""
takes a rational set of coordinates and returns (degrees, minutes, seconds)
"""
deg, min, sec = False, False, False
if ValueType is not None:
if ValueType == 1:
deg, min, sec = coords.split(" ")
deg, rest = deg.split("/")
min, rest = min.split("/")
sec, rest = sec.split("/")
sec, rest = int(sec), int(rest)
sec = str( ( Decimal(sec) / Decimal(rest) ) )
elif (ValueType == 0 and isinstance(coords, list) ):
if len(coords) == 3:
deg, min, sec = coords[0], coords[1], coords[2]
deg = convert_value(deg)
min = convert_value(min)
sec = convert_value(sec)
return deg, min, sec
#------------------------------------------------
# Support functions
#------------------------------------------------
def _return_month(month):
"""
returns either an integer of the month number or the abbreviated month name
@param: rmonth -- can be one of:
10, "10", or ( "Oct" or "October" )
"""
if isinstance(month, str):
for s, l, i in _allmonths:
found = any(month == value for value in [s, l])
if found:
month = int(i)
break
else:
for s, l, i in _allmonths:
if str(month) == i:
month = l
break
return month
def _split_values(text):
"""
splits a variable into its pieces
"""
if "-" in text:
separator = "-"
elif "." in text:
separator = "."
elif ":" in text:
separator = ":"
else:
separator = " "
return [value for value in text.split(separator)]

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@ -78,16 +78,18 @@ register(GRAMPLET,
) )
register(GRAMPLET, register(GRAMPLET,
id="Metadata Viewer Gramplet", id = "Exif Viewer Gramplet",
name=_("Metadata Viewer Gramplet"), name = _("Exif Viewer Gramplet"),
description = _("Gramplet showing metadata of a media object"), description = _("Gramplet showing exif tags for a media object"),
version="1.0.1", version = "1.0.0",
gramps_target_version="3.4", gramps_target_version = "3.4.0",
status = STABLE, status = STABLE,
fname="MetadataViewer.py", fname = "Exif.py",
height=200, height = 200,
gramplet = 'MetadataViewer', gramplet = 'Exif',
gramplet_title=_("Metadata"), gramplet_title = _("Exif"),
Authors = ["Rob G. Healey"],
authors_email = ["robhealey1@gmail.com"],
) )
register(GRAMPLET, register(GRAMPLET,

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@ -437,7 +437,7 @@ class MediaView(ListView):
""" """
return (("Media Filter Gramplet",), return (("Media Filter Gramplet",),
("Media Preview Gramplet", ("Media Preview Gramplet",
"Metadata Viewer Gramplet", "Exif Viewer Gramplet",
"Media Sources Gramplet", "Media Sources Gramplet",
"Media Notes Gramplet", "Media Notes Gramplet",
"Media Attributes Gramplet")) "Media Attributes Gramplet"))