Fixed the 'changed' signal for data fields.
svn: r17494
This commit is contained in:
Rob G. Healey
parent
c2ea9089e0
commit
9e43103fd5
@ -277,7 +277,6 @@ class EditExifMetadata(Gramplet):
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self.orig_image = False
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self.image_path = False
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self.plugin_image = False
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self.MediaDataTags = False
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vbox = self.build_gui()
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self.connect_signal("Media", self.update)
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@ -393,7 +392,7 @@ class EditExifMetadata(Gramplet):
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if _MAGICK_FOUND:
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# Delete All Metadata button...
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hasd_box.add(self.__create_button(
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"Delete", False, [self.__delete_dialog], gtk.STOCK_DELETE ) )
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"Delete", False, [self.__wipe_dialog], gtk.STOCK_DELETE ) )
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return vbox
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@ -470,13 +469,28 @@ class EditExifMetadata(Gramplet):
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for ButtonName in ButtonList:
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self.exif_widgets[ButtonName].set_sensitive(False)
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def activate_save(self, obj):
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"""
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will handle the toggle action of the Save button.
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If there is no Exif metadata, then the data fields are connected to the
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'changed' signal to be able to activate the Save button once data has been entered
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into the data fields...
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"""
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if not self.exif_widgets["Save"].get_sensitive():
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self.activate_buttons(["Save"])
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# set Message Area to Entering Data...
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self.exif_widgets["Message:Area"].set_text(_("Entering data..."))
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def main(self): # return false finishes
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"""
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get the active media, mime type, and reads the image metadata
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"""
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db = self.dbstate.db
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# clear Edit Areas
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# clear Edit Area and Labels...
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self.clear_metadata(self.orig_image)
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# De-activate the buttons except for Help and Clear...
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@ -503,14 +517,14 @@ class EditExifMetadata(Gramplet):
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self.image_path = Utils.media_path_full(db, self.orig_image.get_path() )
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if (not self.orig_image or not os.path.isfile(self.image_path)):
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self.exif_widgets["Message:Area"].set_text(_("Image is either missing or deleted,\n"
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"Choose a different image..."))
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"Please choose a different image..."))
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return
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# check image read privileges...
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_readable = os.access(self.image_path, os.R_OK)
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if not _readable:
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self.exif_widgets["Message:Area"].set_text(_("Image is NOT readable,\n"
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"Choose a different image..."))
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"Please choose a different image..."))
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return
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# check image write privileges...
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@ -519,43 +533,38 @@ class EditExifMetadata(Gramplet):
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self.exif_widgets["Message:Area"].set_text(_("Image is NOT writable,\n"
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"You will NOT be able to save Exif metadata...."))
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# Mime type information...
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mime_type = self.orig_image.get_mime_type()
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_mtype = gen.mime.get_description(mime_type)
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self.exif_widgets["Mime:Type"].set_text(_mtype)
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# display file description/ title...
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self.exif_widgets["Media:Label"].set_text(_html_escape(
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self.orig_image.get_description() ) )
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# Mime type information...
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mime_type = self.orig_image.get_mime_type()
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self.exif_widgets["Mime:Type"].set_text(mime_type)
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# disable all data fields and buttons if NOT an exiv2 image type?
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basename, self.extension = os.path.splitext(self.image_path)
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_setup_datafields_buttons(self.extension, self.exif_widgets)
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# determine if it is a mime image object?
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goodmime = False
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basename, extension = os.path.splitext(self.image_path)
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# disable all data fields and buttons if NOT an exiv2 image type?
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_setup_datafields_buttons(extension, self.exif_widgets)
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if mime_type:
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if mime_type.startswith("image"):
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self.activate_buttons(["Save"])
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# Checks to make sure that ImageMagick is installed on this computer and
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# the image is NOT a (".jpeg", ".jfif", or ".jpg") image...
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if _MAGICK_FOUND:
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# if not, then activate the Convert button?
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if (_MAGICK_FOUND and self.extension not in [".jpeg", ".jpg", ".jfif"] ):
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self.activate_buttons(["Convert"])
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# check to make sure that the image is not a jpeg image?
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# if not, then activate the Convert button...
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if extension not in [".jpeg", ".jpg", ".jfif"]:
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self.activate_buttons(["Convert"])
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# setup widget tooltips for explanations...
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# setup widget tooltips for all fields and buttons...
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_setup_widget_tips(self.exif_widgets)
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# creates, reads, and get all Exif metadata
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# creates, and reads the plugin image instance...
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self.plugin_image = self.setup_image(self.image_path)
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# Retries all metadata key pairs from image...
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self.MediaDataTags = _get_exif_keypairs(self.plugin_image)
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# Check for Thumbnails...
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previews = self.plugin_image.previews
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if (len(previews) > 0):
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self.activate_buttons(["ThumbnailView"])
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# displays the imge Exif metadata into selected data fields...
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self.EditArea(self.orig_image)
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@ -575,7 +584,7 @@ class EditExifMetadata(Gramplet):
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# if ImageMagick and delete has been found on this computer?
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if (_MAGICK_FOUND and _DEL_FOUND):
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OptionDialog(_("Edit Image Exif Metadata"), _("WARNING: You are about to convert this "
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"image into a .jpg image. Are you sure that you want to do this?"),
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"image into a .jpeg image. Are you sure that you want to do this?"),
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_("Convert and Delete original"), self.convertdelete,
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_("Convert"), self.convert2Jpeg)
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@ -593,7 +602,7 @@ class EditExifMetadata(Gramplet):
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QuestionDialog(_("Edit Image Exif Metadata"), _("Save Exif metadata to this image?"),
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_("Save"), self.save_metadata)
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def __delete_dialog(self, obj):
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def __wipe_dialog(self, obj):
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"""
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Handles the Delete Dialog...
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"""
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@ -610,19 +619,16 @@ class EditExifMetadata(Gramplet):
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* setup the tooltips for the buttons,
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"""
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if LesserVersion:
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if LesserVersion: # prior to pyexiv2-0.2.0
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metadata = pyexiv2.Image(full_path)
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else:
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metadata = pyexiv2.ImageMetadata(full_path)
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if LesserVersion:
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try:
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metadata.readMetadata()
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except (IOError, OSError):
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self.set_has_data(False)
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return
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else:
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else: # pyexiv2-0.2.0 and above
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metadata = pyexiv2.ImageMetadata(full_path)
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try:
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metadata.read()
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except (IOError, OSError):
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@ -727,7 +733,7 @@ class EditExifMetadata(Gramplet):
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# clear all data fields
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if cleartype == "All":
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for widgetsName in ["Description", "Modified", "Artist", "Copyright",
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"DateTime", "Latitude", "Longitude"]:
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"DateTime", "Latitude", "Longitude", "Media:Label", "Mime:Type", "Message:Area"]:
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self.exif_widgets[widgetsName].set_text("")
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# clear only the date/ time field
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@ -740,23 +746,21 @@ class EditExifMetadata(Gramplet):
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reads the image metadata after the pyexiv2.Image has been created
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"""
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# activate Clear button...
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self.activate_buttons(["Clear"])
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# Retrieves all metadata key pairs from this image...
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MediaDataTags = _get_exif_keypairs(self.plugin_image)
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# if no exif metadata, disable the has_data functionality?
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self.set_has_data(True)
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if not self.MediaDataTags:
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self.set_has_data(False)
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# if no exif metadata, disable the has_data() functionality?
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if MediaDataTags:
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self.set_has_data(True)
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# Activate Delete button if ImageMagick or jhead is found?...
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if (_MAGICK_FOUND or _JHEAD_FOUND):
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self.activate_buttons(["Delete"])
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# Activate Delete button if ImageMagick or jhead is found?...
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if (_MAGICK_FOUND or _JHEAD_FOUND):
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self.activate_buttons(["Delete"])
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imageKeyTags = [KeyTag for KeyTag in self.MediaDataTags if KeyTag in _DATAMAP]
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if imageKeyTags:
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imageKeyTags = [KeyTag for KeyTag in MediaDataTags if KeyTag in _DATAMAP]
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# activate AdvancedView button...
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self.activate_buttons(["AdvancedView"])
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# activate AdvancedView and Save buttons...
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self.activate_buttons(["AdvancedView", "Save"])
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# set Message Area to Copying...
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self.exif_widgets["Message:Area"].set_text(_("Copying Exif metadata to the Edit Area..."))
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@ -787,12 +791,12 @@ class EditExifMetadata(Gramplet):
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elif widgetsName == "Latitude":
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latitude = self._get_value(KeyTag)
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longitude = self._get_value(_DATAMAP["Longitude"] )
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longitude = self._get_value(_DATAMAP["Longitude"])
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# if latitude and longitude exist, display them?
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if (latitude and longitude):
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# split latitude metadata into (degrees, minutes, and seconds) from Rational
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# split latitude metadata into (degrees, minutes, and seconds)
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latdeg, latmin, latsec = rational_to_dms(latitude)
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# split longitude metadata into degrees, minutes, and seconds
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@ -804,23 +808,27 @@ class EditExifMetadata(Gramplet):
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if (not latfail and not longfail):
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# Latitude Direction Reference
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LatitudeRef = self._get_value(_DATAMAP["LatitudeRef"] )
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LatRef = self._get_value(_DATAMAP["LatitudeRef"] )
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# Longitude Direction Reference
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LongitudeRef = self._get_value(_DATAMAP["LongitudeRef"] )
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LongRef = self._get_value(_DATAMAP["LongitudeRef"] )
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# set display for Latitude GPS Coordinates
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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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"""%s° %s′ %s″ %s""" % (latdeg, latmin, latsec, LatRef) )
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# set display for Longitude GPS Coordinates
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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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"""%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, LongRef) )
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# Check for Thumbnails...
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previews = self.plugin_image.previews
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if (len(previews) > 0):
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self.activate_buttons(["ThumbnailView"])
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else:
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# set Message Area to None...
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self.exif_widgets["Message:Area"].set_text(_("There is NO Exif metadata for this image yet..."))
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for widget, tooltip in _TOOLTIPS:
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if widget is not "Modified":
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self.exif_widgets[widget].connect("changed", self.activate_save)
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def convertdelete(self):
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"""
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@ -1058,16 +1066,10 @@ class EditExifMetadata(Gramplet):
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advarea.show()
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# Update the image Exif metadata...
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self.MediaDataTags = _get_exif_keypairs(self.plugin_image)
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# update has_data() functionality...
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if self.MediaDataTags:
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self.set_has_data(True)
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else:
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self.set_has_data(False)
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MediaDataTags = _get_exif_keypairs(self.plugin_image)
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if LesserVersion: # prior to pyexiv2-0.2.0
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for KeyTag in self.MediaDataTags:
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for KeyTag in MediaDataTags:
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label = self.plugin_image.tagDetails(KeyTag)[0]
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if KeyTag in ("Exif.Image.DateTime",
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"Exif.Photo.DateTimeOriginal",
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@ -1078,7 +1080,7 @@ class EditExifMetadata(Gramplet):
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self.model.add((label, human_value))
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else: # pyexiv2-0.2.0 and above
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for KeyTag in self.MediaDataTags:
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for KeyTag in MediaDataTags:
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tag = self.plugin_image[KeyTag]
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if KeyTag in ("Exif.Image.DateTime",
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"Exif.Photo.DateTimeOriginal",
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@ -1220,13 +1222,21 @@ class EditExifMetadata(Gramplet):
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Will completely and irrevocably erase all Exif metadata from this image.
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"""
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# update the image Exif metadata...
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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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if _MAGICK_FOUND:
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erase = subprocess.check_call( ["convert", self.image_path, "-strip", self.image_path] )
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erase_results = str(erase)
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elif (_JHEAD_FOUND and self.extension in [".jpeg", ".jfif", ".jpg"]):
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erase = subprocess.check_call( ["jhead", "-purejpeg", self.image_path] )
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else:
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if self.MediaDataTags:
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for KeyTag in self.MediaDataTags:
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if MediaDataTags:
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for KeyTag in MediaDataTags:
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del self.plugin_image[KeyTag]
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erase_results = True
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@ -1238,20 +1248,15 @@ class EditExifMetadata(Gramplet):
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# set Message Area for deleting...
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self.exif_widgets["Message:Area"].set_text(_("Deleting all Exif metadata..."))
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# Clear the Display and Edit Areas
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# Clear the Edit Areas
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self.clear_metadata(self.plugin_image)
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self.model.clear()
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# Notify the User...
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# set Message Area to Delete...
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self.exif_widgets["Message:Area"].set_text(_("All Exif metadata has been "
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"deleted from this image..."))
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self.update()
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# re- initialize the image...
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if _JHEAD_FOUND:
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reinit = subprocess.check_call( ["jhead", "-purejpg", self.image_path] )
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def select_date(self, obj):
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"""
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will allow you to choose a date from the calendar widget
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@ -1334,10 +1339,11 @@ def _setup_datafields_buttons(extension, exif_widgets):
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for widget, tooltip in _TOOLTIPS:
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if widget is not "Modified":
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exif_widgets[widget].set_visibility(goodextension)
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exif_widgets[widget].set_editable(goodextension)
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for widget, tooltip in _BUTTONTIPS.items():
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if widget not in ["Help", "Clear"]:
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if (widget not in ["Help", "Clear"] and not goodextension):
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exif_widgets[widget].set_sensitive(False)
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def _setup_widget_tips(exif_widgets):
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