Fixed errors discovered by Nick Hall. Remove dependencies on ImageMagick and Jhead. Convert is being done by PIL.Image, and delete is being done by local computer delete command. Thank you Nick and Benny
svn: r17817
This commit is contained in:
Rob G. Healey
parent
107ee62f58
commit
e2e399799c
@ -28,6 +28,7 @@ import os
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from datetime import datetime
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import calendar
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import time
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from PIL import Image
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# abilty to escape certain characters from output...
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from xml.sax.saxutils import escape as _html_escape
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@ -108,42 +109,19 @@ if (software_version and (software_version < Min_VERSION)):
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WarningDialog(msg)
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raise Exception(msg)
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# *******************************************************************
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# Determine if we have access to outside Programs installed on this computer,
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# which will extend the functionality of this addon?
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#
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# The programs are ImageMagick, and jhead
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# * ImageMagick -- Convert and Delete all Exif metadata...
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# * jhead -- re-initialize a jpeg, and other features...
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# * del/ rm -- delete old files from the convert command...
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#********************************************************************
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# Windows 32bit systems
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# check to make sure that exiv2 is installed and some kind of delete command...
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system_platform = os.sys.platform
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if system_platform == "win32":
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_MAGICK_FOUND = "convert.exe" if Utils.search_for("convert.exe") else False
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_JHEAD_FOUND = "jhead.exe" if Utils.search_for("jhead.exe") else False
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_DEL_FOUND = "del.exe" if Utils.search_for("del.exe") else False
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if system_platform == "Win32":
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DEL_FOUND_ = "del.exe" if Utils.search_for("del.exe") else False
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EXIV2_OUND_ = "exiv2.exe" if Utils.search_for("exiv2.exe") else False
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elif system_platform == "linux2":
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_MAGICK_FOUND = "convert" if Utils.search_for("convert") else False
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_JHEAD_FOUND = "jhead" if Utils.search_for("jhead") else False
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_DEL_FOUND = "rm" if Utils.search_for("rm") else False
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DEL_FOUND_ = "rm" if Utils.search_for("rm") else False
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EXIV2_FOUND_ = "exiv2" if Utils.search_for("exiv2") else False
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else:
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_MAGICK_FOUND = "convert" if Utils.search_for("convert") else False
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_JHEAD_FOUND = "jhead" if Utils.search_for("jhead") else False
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_DEL_FOUND = "del" if Utils.search_for("del") else False
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# if external programs are not found, let the user know about the missing functionality?
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if not _MAGICK_FOUND:
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print(_("ImageMagick's convert program was not found on this computer.\n"
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"You may download it from here: %s...") % (
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"http://www.imagemagick.org/script/index.php"))
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if not _JHEAD_FOUND:
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print(_("Jhead program was not found on this computer.\n"
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"You may download it from: %s...") % (
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"http://www.sentex.net/~mwandel/jhead/"))
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DEL_FOUND_ = "del" if Utils.search_for("del") else False
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EXIV2_FOUND_ = "exiv2" if Utils.search_for("exiv2") else False
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# -----------------------------------------------------------------------------
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# Constants
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@ -217,20 +195,18 @@ _BUTTONTIPS = {
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# Edit screen button...
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"Edit" : _("This will open up a new window to allow you to edit/ modify this image's Exif metadata.\n"
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"It will also allow you to be able to Save the modified metadata.") }
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"It will also allow you to be able to Save the modified metadata."),
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if (_MAGICK_FOUND or _JHEAD_FOUND):
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_BUTTONTIPS.update( {
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# Thumbnail Viewing Window button...
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"Thumbnail" : _("Will produce a Popup window showing a Thumbnail Viewing Area"),
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# Thumbnail Viewing Window button...
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"Thumbnail" : _("Will produce a Popup window showing a Thumbnail Viewing Area"),
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# Convert to different image type...
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"Convert" : _("If your image is not of an image type that can have "
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"Exif metadata read/ written to/from, convert it to a type that can?"),
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# Convert to .Jpeg button...
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"Convert" : _("If your image is not a .jpg image, convert it to a .jpg image?"),
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# Delete/ Erase/ Wipe Exif metadata button...
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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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# Delete/ Erase/ Wipe Exif metadata button...
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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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# ------------------------------------------------------------------------
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#
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@ -250,9 +226,9 @@ class EditExifMetadata(Gramplet):
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self.exif_widgets = {}
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self.dates = {}
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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.image_path = False
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self.orig_image = False
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self.plugin_image = False
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vbox = self.build_gui()
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self.connect_signal("Media", self.update)
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@ -308,12 +284,9 @@ class EditExifMetadata(Gramplet):
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thc_box.add( self.__create_button(
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"Thumbnail", _("Thumbnail"), [self.thumbnail_view]) )
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# is ImageMagick installed?
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if _MAGICK_FOUND:
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# Convert button...
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thc_box.add( self.__create_button(
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"Convert", False, [self.__convert_dialog], gtk.STOCK_CONVERT) )
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# Convert button...
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thc_box.add( self.__create_button(
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"Convert", False, [self.__convert_dialog], gtk.STOCK_CONVERT) )
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# Help, Edit, and Delete horizontal box
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hed_box = gtk.HButtonBox()
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@ -328,7 +301,7 @@ class EditExifMetadata(Gramplet):
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hed_box.add( self.__create_button(
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"Edit", False, [self.display_edit_window], gtk.STOCK_EDIT) )
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if _MAGICK_FOUND:
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if EXIV2_FOUND_:
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# Delete All Metadata button...
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hed_box.add(self.__create_button(
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"Delete", False, [self.__wipe_dialog], gtk.STOCK_DELETE) )
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@ -372,12 +345,10 @@ class EditExifMetadata(Gramplet):
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self.set_has_data(False)
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return
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# get image from database and try to find it on the computer?
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self.orig_image = db.get_object_from_handle(active_handle)
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self.image_path = Utils.media_path_full(db, self.orig_image.get_path() )
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basename, self.extension = os.path.splitext(self.image_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["MessageArea"].set_text(_("Image is either missing or deleted,\n"
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"Please choose a different image..."))
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if (not self.orig_image or not os.path.isfile(self.image_path) ):
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self.set_has_data(False)
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return
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@ -388,41 +359,34 @@ class EditExifMetadata(Gramplet):
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"Please choose a different image..."))
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return
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# make sure that the image type is workable with exiv2?
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if not any(exiv2type == self.extension for exiv2type in _vtypes):
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return
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# Activate the Clear and Edit buttons...
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self.activate_buttons(["Edit"])
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# check image write privileges...
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_writable = os.access(self.image_path, os.W_OK)
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if not _writable:
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self.exif_widgets["MessageArea"].set_text(_("Image is NOT writable,\n"
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"You will NOT be able to save Exif metadata...."))
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# Activate the Edit button...
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self.activate_buttons(["Edit"])
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# display file description/ title...
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self.exif_widgets["MediaLabel"].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["MimeType"].set_text(gen.mime.get_description(mime_type) )
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self.exif_widgets["MimeType"].set_text(gen.mime.get_description(mime_type))
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# display all button tooltips only...
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# 1st argument is for Fields, 2nd argument is for Buttons...
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self._setup_widget_tips([False, True])
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# get dirpath and basename, and extension...
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basename, self.extension = os.path.splitext(self.image_path)
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# determine if it is a mime image object?
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if mime_type:
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if mime_type.startswith("image"):
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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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# This allows you to Convert the nonjpeg image to a jpeg file...
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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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# creates, and reads the plugin image instance...
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self.plugin_image = self.setup_image(self.image_path)
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@ -445,7 +409,12 @@ class EditExifMetadata(Gramplet):
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# if a thumbnail exists, then activate the buttton?
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if thumbnail:
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self.activate_buttons(["Thumbnail"])
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self.activate_buttons(["Thumbnail"])
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# if image file type is not an Exiv2 acceptable image type,
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# offer to convert it....
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if self.extension not in _vtypes:
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self.activate_buttons(["Convert"])
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# display all exif metadata...
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mediadatatags = _get_exif_keypairs(self.plugin_image)
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@ -574,8 +543,7 @@ class EditExifMetadata(Gramplet):
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self.exif_widgets["ImageSize"].set_text(_("Image Size : %04d x %04d pixels") % (width, height))
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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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self.activate_buttons(["Delete"])
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for keytag_ in metadatatags_:
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if LesserVersion: # prior to pyexiv2-0.2.0
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@ -747,81 +715,80 @@ class EditExifMetadata(Gramplet):
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main_vbox.show_all()
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return main_vbox
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def __convert_dialog(self, obj):
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def __convert_dialog(self, object):
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"""
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Handles the Convert question Dialog...
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"""
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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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# Convert and delete original file...
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if 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 .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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# is ImageMagick is installed?
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elif _MAGICK_FOUND:
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_("Convert and Delete"), self.__convert_dalete, _("Convert"), self.__convert_file)
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else:
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QuestionDialog(_("Edit Image Exif Metadata"), _("Convert this image to a .jpeg image?"),
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_("Convert"), self.convert2Jpeg)
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_("Convert"), self.__convert_file)
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def convertdelete(self, object):
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"""
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will convert2Jpeg and delete original non-jpeg image.
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"""
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self.convert2Jpeg()
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if system_platform == "linux2":
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try:
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delete = subprocess.check_call( ["rm", "-rf", self.image_path] )
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delete_results = str(delete)
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except subprocess.CalledProcessError:
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delete_results = False
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else:
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try:
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delete = subprocess.check_call( ["del", "-y", self.image_path])
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delete_results = str(delete)
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except subprocess.CalledProcessError:
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delete_results = False
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if delete_results:
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self.exif_widgets["MessageArea"].set_text(_("Image has been converted to a .jpg image,\n"
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"and original image has been deleted!"))
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else:
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self.exif_widgets["Message:Area"].set_text(_("There was an error in converting and deleting your image..."))
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def convert2Jpeg(self):
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def __convert_file(self, full_path =None):
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"""
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Will attempt to convert an image to jpeg if it is not?
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"""
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filepath, basename = os.path.split(self.image_path)
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basename, oldext = os.path.splitext(self.image_path)
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newextension = ".jpeg"
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if full_path is None:
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full_path = self.image_path
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basename, oldext = os.path.splitext(full_path)
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filepath, basename = os.path.split(basename)
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basename += ".tiff"
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dest_file = os.path.join(filepath, basename)
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# Convert the file based upon file suffix
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im = Image.open(full_path)
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im.save(dest_file)
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if LesserVersion: # prior to pyexiv2-0.2.0...
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src_meta = pyexiv2.Image(full_path)
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# Copy the image metadata...
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dest_meta = pyexiv2.Image(dest_file)
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dest_meta.readMetadata()
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src_meta.readMetadata()
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src_meta.copy(dest_meta, comment =False)
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dest_meta.writeMetadata()
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else: # pyexiv2-0.2.0 and above...
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src_meta = pyexiv2.ImageMetadata(full_path)
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# Copy the image metadata...
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dest_meta = pyexiv2.ImageMetadata(dest_file)
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src_meta.read()
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dest_meta.read()
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src_meta.copy(dest_meta, comment =False)
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dest_meta.write()
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def __convert_dalete(self, full_path =None):
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"""
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will convert an image file and delete original non-jpeg image.
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"""
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if full_path is None:
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full_path = self.image_path
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# Convert image and copy over it's Exif metadata (if any)
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self.__convert_file(full_path)
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# delete original file from this computer...
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try:
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convert = subprocess.check_call(["convert", self.image_path,
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os.path.join(filepath, basename + newextension) ] )
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convert_results = str(convert)
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if system_platform == "linux2":
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delete = subprocess.check_call( [DEL_FOUND_, " -rf", full_path] )
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else:
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delete = subprocess.check_call( [DEL_FOUND_, " -y", full_path] )
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except subprocess.CalledProcessError:
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convert_results = False
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if convert_results:
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# set Message Area to Convert...
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self.exif_widgets["MessageArea"].set_text(_("Converting image,\n"
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"You will need to delete the original image file..."))
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self.deactivate_buttons(["Convert"])
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else:
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self.exif_widgets["Message:Area"].set_text(_("There has been an "
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"issue in converting your image,\n coverting did not happen..."))
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pass
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def __help_page(self, object):
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"""
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@ -871,7 +838,7 @@ class EditExifMetadata(Gramplet):
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# set Message Area to Entering Data...
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self.exif_widgets["MessageArea"].set_text(_("Entering data..."))
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if _MAGICK_FOUND:
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if EXIV2_FOUND_:
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if not self.exif_widgets["Delete"].get_sensitive():
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self.activate_buttons(["Delete"])
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@ -1186,7 +1153,7 @@ class EditExifMetadata(Gramplet):
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return keyvalue_
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def clear_metadata(self, object):
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def clear_metadata(self):
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"""
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clears all data fields to nothing
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"""
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@ -1504,22 +1471,15 @@ 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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# make sure the image has 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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if EXIV2_FOUND_:
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try:
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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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except subprocess.CalledProcessError:
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erase_results = False
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elif (_JHEAD_FOUND and self.extension in [".jpeg", ".jfif", ".jpg"]):
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try:
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erase = subprocess.check_call( ["jhead", "-purejpeg", self.image_path] )
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erase = subprocess.check_call( [EXIV2_FOUND_, "delete", self.image_path] )
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erase_results = str(erase)
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except subprocess.CalledProcessError:
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erase_results = False
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@ -1535,18 +1495,17 @@ class EditExifMetadata(Gramplet):
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if erase_results:
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# set Message Area for deleting...
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self.exif_widgets["MessageArea"].set_text(_("Deleting all Exif metadata..."))
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# Clear the Edit Areas
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# Clear the Viewing and Edit Areas
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self.model.clear()
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self.clear_metadata(_TOOLTIPS)
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self.exif_widgets["MessageArea"].set_text(_("All Exif metadata has been "
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"deleted from this image..."))
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self.exif_widgets["MessageArea"].set_text(_("All Exif metadata "
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"has been deleted from this image..."))
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self.update()
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else:
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self.exif_widgets["Message:Area"].set_text(_("There was an error in wiping the Exif metadata from your image..."))
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self.exif_widgets["MessageArea"].set_text(_("There was an error "
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"in wiping the Exif metadata from your image..."))
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def _get_exif_keypairs(plugin_image):
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"""
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