Use a single list of image file types

This ensures consistency between the importer and normal image loading.
See issue #15.

src/photini/__init__.py

@@ -2,6 +2,6 @@
 
 from __future__ import unicode_literals
 
-__version__ = '15.09.1.dev340'
-_dev_no = '340'
-_commit = 'b0a4571'
+__version__ = '15.09.1.dev341'
+_dev_no = '341'
+_commit = '4ecc775'

src/photini/imagelist.py

@@ -31,7 +31,7 @@
 from .flowlayout import FlowLayout
 from .metadata import Metadata, MetadataHandler
 from .pyqt import Qt, QtCore, QtGui, QtWidgets
-from .utils import Busy
+from .utils import Busy, image_types
 
 DRAG_MIMETYPE = 'application/x-photini-image'
 
@@ -301,16 +301,7 @@ def mousePressEvent(self, event):
 
     @QtCore.pyqtSlot()
     def open_files(self):
-        types = [
-            'jpeg', 'jpg', 'exv', 'cr2', 'crw', 'mrw', 'tiff', 'tif', 'dng',
-            'nef', 'pef', 'arw', 'rw2', 'sr2', 'srw', 'orf', 'png', 'pgf',
-            'raf', 'eps', 'gif', 'psd', 'tga', 'bmp', 'jp2', 'pnm'
-            ]
-        for fmt in QtGui.QImageReader.supportedImageFormats():
-            ext = fmt.data().decode('utf_8').lower()
-            if ext not in types:
-                types.append(ext)
-        types = map(lambda x: '*.' + x, types)
+        types = ['*.' + x for x in image_types]
         path_list = QtWidgets.QFileDialog.getOpenFileNames(
             self, "Open files", self.config_store.get('paths', 'images', ''),
             self.tr("Images ({0});;All files (*)").format(' '.join(types)))

src/photini/importer.py

@@ -33,18 +33,13 @@
 
 from .configstore import ConfigStore
 from .metadata import Metadata
-from .pyqt import Qt, QtCore, QtGui, QtWidgets
-from .utils import Busy
+from .pyqt import Qt, QtCore, QtWidgets
+from .utils import Busy, image_types
 
 class FolderSource(object):
     def __init__(self, root):
         self.root = root
-        self.image_types = QtGui.QImageReader.supportedImageFormats()
-        self.image_types = [x.data().decode('utf-8') for x in self.image_types]
-        self.image_types = ['.' + x.lower() for x in self.image_types]
-        for ext in ('.ico', '.xcf'):
-            while ext in self.image_types:
-                self.image_types.remove(ext)
+        self.image_types = ['.' + x for x in image_types]
 
     def list_files(self):
         result = []

src/photini/utils.py

@@ -21,13 +21,26 @@
 
 import os
 
-from .pyqt import Qt, QtWidgets
+from .pyqt import Qt, QtGui, QtWidgets
 
 data_dir = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'data', '')
 
 multiple = QtWidgets.QApplication.translate('utils', '<multiple>')
 multiple_values = QtWidgets.QApplication.translate('utils', '<multiple values>')
 
+image_types = [
+    'jpeg', 'jpg', 'exv', 'cr2', 'crw', 'mrw', 'tiff', 'tif', 'dng',
+    'nef', 'pef', 'arw', 'rw2', 'sr2', 'srw', 'orf', 'png', 'pgf',
+    'raf', 'eps', 'gif', 'psd', 'tga', 'bmp', 'jp2', 'pnm'
+    ]
+for _fmt in QtGui.QImageReader.supportedImageFormats():
+    _ext = _fmt.data().decode('utf_8').lower()
+    if _ext not in image_types:
+        image_types.append(_ext)
+for _ext in ('ico', 'xcf'):
+    if _ext in image_types:
+        image_types.remove(_ext)
+
 class Busy(object):
     def __enter__(self):
         QtWidgets.QApplication.setOverrideCursor(Qt.WaitCursor)