Remove stand-alone apps. Only support the two plugins.

Obok_plugin/utilities.py

@@ -0,0 +1,228 @@
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
+
+__license__   = 'GPL v3'
+__docformat__ = 'restructuredtext en'
+
+
+import os, struct, time
+from StringIO import StringIO
+from traceback import print_exc
+
+try:
+    from PyQt5.Qt import (Qt, QDialog, QPixmap, QIcon, QLabel, QHBoxLayout, QFont, QTableWidgetItem)
+except ImportError:
+    from PyQt4.Qt import (Qt, QDialog, QPixmap, QIcon, QLabel, QHBoxLayout, QFont, QTableWidgetItem)
+    
+from calibre.utils.config import config_dir
+from calibre.constants import iswindows, DEBUG
+from calibre import prints
+from calibre.gui2 import (error_dialog, gprefs)
+from calibre.gui2.actions import menu_action_unique_name
+
+from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME,  
+                    PLUGIN_SAFE_NAME, PLUGIN_VERSION, PLUGIN_DESCRIPTION)
+
+plugin_ID = None
+plugin_icon_resources = {}
+
+try:
+    from calibre.gui2 import QVariant
+    del QVariant
+except ImportError:
+    is_qt4 = False
+    convert_qvariant = lambda x: x
+else:
+    is_qt4 = True
+
+    def convert_qvariant(x):
+        vt = x.type()
+        if vt == x.String:
+            return unicode(x.toString())
+        if vt == x.List:
+            return [convert_qvariant(i) for i in x.toList()]
+        return x.toPyObject()
+
+BASE_TIME = None
+def debug_print(*args):
+    global BASE_TIME
+    if BASE_TIME is None:
+        BASE_TIME = time.time()
+    if DEBUG:
+        prints('DEBUG: %6.1f'%(time.time()-BASE_TIME), *args)
+
+try:
+    debug_print("obok::utilities.py - loading translations")
+    load_translations()
+except NameError:
+    debug_print("obok::utilities.py - exception when loading translations")
+    pass # load_translations() added in calibre 1.9
+
+def format_plural(number, possessive=False):
+    '''
+    Cosmetic ditty to provide the proper string formatting variable to handle singular/plural situations
+    
+    :param: number: variable that represents the count/len of something
+    '''
+    if not possessive:
+        return '' if number == 1 else 's'
+    return '\'s' if number == 1 else 's\''
+
+
+def set_plugin_icon_resources(name, resources):
+    '''
+    Set our global store of plugin name and icon resources for sharing between
+    the InterfaceAction class which reads them and the ConfigWidget
+    if needed for use on the customization dialog for this plugin.
+    '''
+    global plugin_icon_resources, plugin_ID
+    plugin_ID = name
+    plugin_icon_resources = resources
+
+def get_icon(icon_name):
+    '''
+    Retrieve a QIcon for the named image from the zip file if it exists,
+    or if not then from Calibre's image cache.
+    '''
+    if icon_name:
+        pixmap = get_pixmap(icon_name)
+        if pixmap is None:
+            # Look in Calibre's cache for the icon
+            return QIcon(I(icon_name))
+        else:
+            return QIcon(pixmap)
+    return QIcon()
+
+def get_pixmap(icon_name):
+    '''
+    Retrieve a QPixmap for the named image
+    Any icons belonging to the plugin must be prefixed with 'images/'
+    '''
+    if not icon_name.startswith('images/'):
+        # We know this is definitely not an icon belonging to this plugin
+        pixmap = QPixmap()
+        pixmap.load(I(icon_name))
+        return pixmap
+
+    # Check to see whether the icon exists as a Calibre resource
+    # This will enable skinning if the user stores icons within a folder like:
+    # ...\AppData\Roaming\calibre\resources\images\Plugin Name\
+    if plugin_ID:
+        local_images_dir = get_local_images_dir(plugin_ID)
+        local_image_path = os.path.join(local_images_dir, icon_name.replace('images/', ''))
+        if os.path.exists(local_image_path):
+            pixmap = QPixmap()
+            pixmap.load(local_image_path)
+            return pixmap
+
+    # As we did not find an icon elsewhere, look within our zip resources
+    if icon_name in plugin_icon_resources:
+        pixmap = QPixmap()
+        pixmap.loadFromData(plugin_icon_resources[icon_name])
+        return pixmap
+    return None
+
+def get_local_images_dir(subfolder=None):
+    '''
+    Returns a path to the user's local resources/images folder
+    If a subfolder name parameter is specified, appends this to the path
+    '''
+    images_dir = os.path.join(config_dir, 'resources/images')
+    if subfolder:
+        images_dir = os.path.join(images_dir, subfolder)
+    if iswindows:
+        images_dir = os.path.normpath(images_dir)
+    return images_dir
+
+def showErrorDlg(errmsg, parent, trcbk=False):
+    '''
+    Wrapper method for calibre's error_dialog
+    '''
+    if trcbk:
+        error= ''
+        f=StringIO()     
+        print_exc(file=f)
+        error_mess = f.getvalue().splitlines()
+        for line in error_mess:
+            error = error + str(line) + '\n'
+        errmsg = errmsg + '\n\n' + error
+    return  error_dialog(parent, _(PLUGIN_NAME + ' v' + PLUGIN_VERSION),
+                _(errmsg), show=True)
+
+class SizePersistedDialog(QDialog):
+    '''
+    This dialog is a base class for any dialogs that want their size/position
+    restored when they are next opened.
+    '''
+    def __init__(self, parent, unique_pref_name):
+        QDialog.__init__(self, parent)
+        self.unique_pref_name = unique_pref_name
+        self.geom = gprefs.get(unique_pref_name, None)
+        self.finished.connect(self.dialog_closing)
+
+    def resize_dialog(self):
+        if self.geom is None:
+            self.resize(self.sizeHint())
+        else:
+            self.restoreGeometry(self.geom)
+
+    def dialog_closing(self, result):
+        geom = bytearray(self.saveGeometry())
+        gprefs[self.unique_pref_name] = geom
+        self.persist_custom_prefs()
+
+    def persist_custom_prefs(self):
+        '''
+        Invoked when the dialog is closing. Override this function to call
+        save_custom_pref() if you have a setting you want persisted that you can
+        retrieve in your __init__() using load_custom_pref() when next opened
+        '''
+        pass
+
+    def load_custom_pref(self, name, default=None):
+        return gprefs.get(self.unique_pref_name+':'+name, default)
+
+    def save_custom_pref(self, name, value):
+        gprefs[self.unique_pref_name+':'+name] = value
+
+class ImageTitleLayout(QHBoxLayout):
+    '''
+    A reusable layout widget displaying an image followed by a title
+    '''
+    def __init__(self, parent, icon_name, title):
+        '''
+        :param parent: Parent gui
+        :param icon_name: Path to plugin image resource
+        :param title: String to be displayed beside the image
+        '''
+        QHBoxLayout.__init__(self)
+        self.title_image_label = QLabel(parent)
+        self.update_title_icon(icon_name)
+        self.addWidget(self.title_image_label)
+
+        title_font = QFont()
+        title_font.setPointSize(16)
+        shelf_label = QLabel(title, parent)
+        shelf_label.setFont(title_font)
+        self.addWidget(shelf_label)
+        self.insertStretch(-1)
+
+    def update_title_icon(self, icon_name):
+        pixmap = get_pixmap(icon_name)
+        if pixmap is None:
+            error_dialog(self.parent(), _('Restart required'),
+                         _('Title image not found - you must restart Calibre before using this plugin!'), show=True)
+        else:
+            self.title_image_label.setPixmap(pixmap)
+        self.title_image_label.setMaximumSize(32, 32)
+        self.title_image_label.setScaledContents(True)
+
+
+class ReadOnlyTableWidgetItem(QTableWidgetItem):
+
+    def __init__(self, text):
+        if text is None:
+            text = ''
+        QTableWidgetItem.__init__(self, text, QTableWidgetItem.UserType)
+        self.setFlags(Qt.ItemIsSelectable|Qt.ItemIsEnabled)