Bug#4984-- Edit Image Exif metadata; GPS Coordinate processing causing crashes; Fixed...
svn: r17745
This commit is contained in:
Rob G. Healey
parent
937ecfd943
commit
869194525a
@ -222,38 +222,10 @@ if _MAGICK_FOUND:
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"Delete" : _("WARNING: This will completely erase all Exif metadata "
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"from this image! Are you sure that you want to do this?") } )
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def _help_page(obj):
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"""
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will bring up a Wiki help page.
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"""
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GrampsDisplay.help(webpage = "Edit Image Exif Metadata")
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_allmonths = list([_dd.short_months[i], _dd.long_months[i], i] for i in range(1, 13))
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def _return_month(month):
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"""
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returns either an integer of the month number or the abbreviated month name
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@param: rmonth -- can be one of:
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10, "10", "Oct", or "October"
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"""
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try:
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month = int(month)
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except ValueError:
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for sm, lm, index in _allmonths:
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if month == sm or month == lm:
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month = int(index)
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break
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elif str(month) == index:
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month = lm
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break
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return month
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# ------------------------------------------------------------------------
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# Gramplet class
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#
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# 'Edit Image Exif metadata' Gramplet class...
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#
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# ------------------------------------------------------------------------
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class EditExifMetadata(Gramplet):
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@ -371,7 +343,7 @@ class EditExifMetadata(Gramplet):
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# Help button...
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hsd_box.add( self.__create_button(
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"Help", False, [_help_page], gtk.STOCK_HELP) )
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"Help", False, [self._help_page], gtk.STOCK_HELP) )
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# Save button...
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hsd_box.add( self.__create_button(
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@ -426,6 +398,13 @@ class EditExifMetadata(Gramplet):
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return False
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def _help_page(self):
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"""
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will bring up a Wiki help page.
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"""
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GrampsDisplay.help(webpage = "Edit Image Exif Metadata")
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def activate_buttons(self, ButtonList):
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"""
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Enable/ activate the buttons that are in ButtonList
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@ -704,6 +683,10 @@ class EditExifMetadata(Gramplet):
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"""
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mediadatatags_ = _get_exif_keypairs(self.plugin_image)
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if not mediadatatags_:
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return
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self.model.clear()
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# set has data flag...
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self.set_has_data(len(mediadatatags_) > 0)
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@ -742,18 +725,18 @@ class EditExifMetadata(Gramplet):
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if human_value is not False:
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self.model.append((self.plugin_image, label, human_value))
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def CopyTo(self, imagekeytags =None):
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def CopyTo(self, imagekeytags_ =None):
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"""
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reads the image metadata after the pyexiv2.Image has been created
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"""
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imagekeytags = _get_exif_keypairs(self.plugin_image)
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if imagekeytags:
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imagekeytags = [keytag for keytag in imagekeytags if keytag in _DATAMAP]
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imagekeytags_ = _get_exif_keypairs(self.plugin_image)
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if imagekeytags_:
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imagekeytags_ = [keytag for keytag in imagekeytags_ if keytag in _DATAMAP]
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self.exif_widgets["Message:Area"].set_text(_("Copying Exif metadata to the Edit Area..."))
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for keytag in imagekeytags:
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for keytag in imagekeytags_:
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# name for matching to exif_widgets
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widgetsName = _DATAMAP[keytag]
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@ -977,48 +960,42 @@ class EditExifMetadata(Gramplet):
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(longitude)
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def convert2dms(self, obj):
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def convert2dms(self, latitude =False, longitude =False):
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"""
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will convert a decimal GPS coordinates into degrees, minutes, seconds
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for display only
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"""
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# get Latitude/ Longitude from the data fields
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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if not latitude and not longitude:
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return latitude, longitude
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# if Latitude/ Longitude exists?
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if (latitude and longitude):
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latituderef, longituderef = "N", "E"
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# if coordinates are in decimal format?
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if (latitude.count(".") == 1 and longitude.count(".") == 1):
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# if coordinates are in decimal format?
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if (latitude[0:6].find(".") == longitude[0:6].find(".") == 1):
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# convert latitude and longitude to a DMS with separator of ":"
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latitude, longitude = conv_lat_lon(latitude, longitude, "DEG-:")
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# convert latitude and longitude to a DMS with separator of ":"
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latitude, longitude = conv_lat_lon(latitude, longitude, "DEG-:")
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# remove negative symbol if there is one?
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latituderef = "N"
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if latitude[0] == "-":
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latitude = latitude.replace("-", "")
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latituderef = "S"
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latdeg, latmin, latsec = latitude.split(":", 2)
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# remove negative symbol if there is one?
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if latitude[0] == "-":
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latitude = latitude.replace("-", "")
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latituderef = "S"
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latdeg, latmin, latsec = latitude.split(":", 2)
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# remove negative symbol if there is one?
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longituderef = "E"
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if longitude[0] == "-":
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longitude = longitude.replace("-", "")
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longituderef = "W"
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longdeg, longmin, longsec = longitude.split(":", 2)
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# remove negative symbol if there is one?
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if longitude[0] == "-":
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longitude = longitude.replace("-", "")
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longituderef = "W"
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longdeg, longmin, longsec = longitude.split(":", 2)
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self.exif_widgets["Latitude"].set_text(
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"""%s° %s′ %s″ %s""" % (latdeg, latmin, latsec, latituderef) )
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latitude = """%s° %s′ %s″ %s""" % (latdeg, latmin, latsec, latituderef)
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(
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"""%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, longituderef) )
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longitude = """%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, longituderef)
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self.exif_widgets["Longitude"].set_text(longitude)
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return latitude, longitude
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#------------------------------------------------
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# Writes/ saves Exif metadata to image
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#------------------------------------------------
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def save_metadata(self, datatags =None):
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"""
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gets the information from the plugin data fields
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@ -1026,12 +1003,12 @@ class EditExifMetadata(Gramplet):
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"""
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# determine if there has been something entered in the data fields?
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datatags = (len(self.exif_widgets["Description"].get_text() ) +
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len(self.exif_widgets["Artist"].get_text() ) +
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len(self.exif_widgets["Copyright"].get_text() ) +
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len(self.exif_widgets["DateTime"].get_text() )+
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len(self.exif_widgets["Latitude"].get_text() ) +
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len(self.exif_widgets["Longitude"].get_text() ) )
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datatags = (self.exif_widgets["Description"].get_text(),
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self.exif_widgets["Artist"].get_text(),
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self.exif_widgets["Copyright"].get_text(),
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self.exif_widgets["DateTime"].get_text(),
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self.exif_widgets["Latitude"].get_text(),
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self.exif_widgets["Longitude"].get_text() )
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# Description data field
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self._set_exif_keytag(_DATAMAP["Description"], self.exif_widgets["Description"].get_text() )
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@ -1055,64 +1032,9 @@ class EditExifMetadata(Gramplet):
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if datetime_ is not False:
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self._set_exif_keytag(_DATAMAP["DateTime"], datetime_)
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# Latitude/ Longitude data fields
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# check to see if Latitude/ Longitude exists?
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if (latitude and longitude):
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# complete some error checking to prevent crashes...
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# if "?" character exist, remove it?
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if "?" in latitude:
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latitude = latitude.replace("?", "")
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if "?" in longitude:
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longitude = longitude.replace("?", "")
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# if "," character exists, remove it?
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if "," in latitude:
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latitude = latitude.replace(",", "")
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if "," in longitude:
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longitude = longitude.replace(",", "")
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# if it is in decimal format, convert it to DMS?
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# if not, then do nothing?
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self.convert2dms(self.plugin_image)
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# get Latitude/ Longitude from the data fields
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# will add (degrees, minutes, seconds) symbols if needed?
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# if not, do nothing...
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latitude, longitude = self.addsymbols2gps(latitude, longitude)
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# set up display
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(longitude)
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latituderef = " N"
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if "S" in latitude:
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latituderef = " S"
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latitude = latitude.replace(latituderef, "")
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latituderef = latituderef.replace(" ", "")
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longituderef = " E"
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if "W" in longitude:
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longituderef = " W"
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longitude = longitude.replace(longituderef, "")
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longituderef = longituderef.replace(" ", "")
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# remove symbols for saving Latitude/ Longitude GPS coordinates
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latitude, longitude = _removesymbols4saving(latitude, longitude)
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# convert (degrees, minutes, seconds) to Rational for saving
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self._set_exif_keytag(_DATAMAP["LatitudeRef"], latituderef)
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self._set_exif_keytag(_DATAMAP["Latitude"], coords_to_rational(latitude))
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# convert (degrees, minutes, seconds) to Rational for saving
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self._set_exif_keytag(_DATAMAP["LongitudeRef"], longituderef)
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self._set_exif_keytag(_DATAMAP["Longitude"], coords_to_rational(longitude))
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# Latitude/ Longitude data fields...
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self.__process_lat_long( self.exif_widgets["Latitude"].get_text(),
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self.exif_widgets["Longitude"].get_text() )
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if datatags:
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# set Message Area to Saved...
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@ -1129,6 +1051,80 @@ class EditExifMetadata(Gramplet):
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if _MAGICK_FOUND:
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self.activate_buttons(["Delete"])
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def __process_lat_long(self, latitude, longitude):
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"""
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process the latitude/ longitude for saving...
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"""
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if not latitude and not longitude:
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return [False]*2
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# complete some error checking to prevent crashes...
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# if "?" character exist, remove it?
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if "?" in latitude:
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latitude = latitude.replace("?", "")
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if "?" in longitude:
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longitude = longitude.replace("?", "")
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# if "," character exists, remove it?
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if "," in latitude:
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latitude = latitude.replace(",", "")
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if "," in longitude:
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longitude = longitude.replace(",", "")
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# if there is no spaces then convert to DMS?
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if latitude.find(" ") == longitude.find(" "):
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if ((latitude.find(".") is not -1) and (longitude.find(".") is not -1)):
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latitude, longitude = self.convert2dms(latitude, longitude)
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# DMS is True...
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if ((latitude.find(" ") is not -1) and (longitude.find(" ") is not -1)):
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if latitude.find("N") > -1:
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latituderef = "N"
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latitude = latitude.replace("N", "")
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elif latitude.find(_("S")) > -1:
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latituderef = "S"
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latitude = latitude.replace("S", "")
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elif ((latitude.find(_("N")) == -1) and (latitude.find(_("S")) == -1)):
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if latitude.find("-") == -1:
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latituderef = "N"
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else:
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latituderef = "S"
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latitude = latitude.replace("-", "")
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if longitude.find("E") > -1:
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longituderef = "E"
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longitude = longitude.replace("E", "")
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elif longitude.find("W") > -1:
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longituderef = "W"
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longitude = longitude.replace("W", "")
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elif ((longitude.find("E") == -1) and (longitude.find("W") == -1)):
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if longitude.find("-") == -1:
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longituderef = "E"
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else:
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longituderef = "W"
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longitude = longitude.replace("-", "")
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# remove symbols before saving Latitude/ Longitude GPS coordinates
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latitude, longitude = _removesymbolsb4saving(latitude, longitude)
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# remove leading and trailing whitespace
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latitude = latitude.strip()
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longitude = longitude.strip()
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# convert to pyexiv2.Rational for saving...
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latitude = coords_to_rational(latitude)
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longitude = coords_to_rational(longitude)
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# save Latitude and LatitudeRef
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self._set_exif_keytag(_DATAMAP["Latitude"], latitude)
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self._set_exif_keytag(_DATAMAP["LatitudeRef"], latituderef)
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# save Longitude and LongitudeRef
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self._set_exif_keytag(_DATAMAP["Longitude"], longitude)
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self._set_exif_keytag(_DATAMAP["LongitudeRef"], longituderef)
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def strip_metadata(self, erase_results =None):
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"""
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Will completely and irrevocably erase all Exif metadata from this image.
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@ -1256,7 +1252,7 @@ def convert_value(value):
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return str( ( Decimal(value.numerator) / Decimal(value.denominator) ) )
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def _removesymbols4saving(latitude, longitude):
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def _removesymbolsb4saving(latitude, longitude):
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"""
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will recieve a DMS with symbols and return it without them
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