Add onionshare CLI to cli folder, move GUI to desktop folder, and start refactoring it to work with briefcase

desktop/install/scripts/onionshare-nautilus.py

@@ -0,0 +1,105 @@
+import os
+import sys
+import json
+import locale
+import subprocess
+try:
+    import urllib.request
+except:
+    import urllib
+import gi
+
+gi.require_version("Nautilus", "3.0")
+
+from gi.repository import Nautilus
+from gi.repository import GObject
+
+# Put me in /usr/share/nautilus-python/extensions/
+class OnionShareExtension(GObject.GObject, Nautilus.MenuProvider):
+    def __init__(self):
+        # Get the localized string for "Share via OnionShare" label
+        self.label = None
+        default_label = "Share via OnionShare"
+
+        try:
+            # Re-implement localization in python2
+            default_locale = "en"
+            locale_dir = os.path.join(sys.prefix, "share/onionshare/locale")
+            if os.path.exists(locale_dir):
+                # Load all translations
+                strings = {}
+                translations = {}
+                for filename in os.listdir(locale_dir):
+                    abs_filename = os.path.join(locale_dir, filename)
+                    lang, ext = os.path.splitext(filename)
+                    if ext == ".json":
+                        with open(abs_filename) as f:
+                            translations[lang] = json.load(f)
+
+                strings = translations[default_locale]
+                lc, enc = locale.getdefaultlocale()
+                if lc:
+                    lang = lc[:2]
+                    if lang in translations:
+                        # if a string doesn't exist, fallback to English
+                        for key in translations[default_locale]:
+                            if key in translations[lang]:
+                                strings[key] = translations[lang][key]
+
+                self.label = strings["share_via_onionshare"]
+
+        except:
+            self.label = default_label
+
+        if not self.label:
+            self.label = default_label
+
+        """
+        # This more elegant solution will only work if nautilus is using python3, and onionshare is installed system-wide.
+        # But nautilus is using python2, so this is commented out.
+        try:
+            import onionshare
+            onionshare.strings.load_strings(onionshare.common)
+            self.label = onionshare.strings._('share_via_onionshare')
+        except:
+            import sys
+            print('python version: {}').format(sys.version)
+            self.label = 'Share via OnionShare'
+        """
+
+    def url2path(self, url):
+        file_uri = url.get_activation_uri()
+        arg_uri = file_uri[7:]
+        try:
+            path = urllib.request.url2pathname(arg_uri)
+        except:
+            path = urllib.url2pathname(arg_uri)
+        return path
+
+    def exec_onionshare(self, filenames):
+        # Would prefer this method but there is a conflict between GTK 2.0 vs GTK 3.0 components being loaded at once
+        # (nautilus:3090): Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported
+        #        sys.argv = ["", "--filenames"] + filenames
+        #        sys.exit(onionshare_gui.main())
+        path = os.path.join(os.sep, "usr", "bin", "onionshare-gui")
+        cmd = [path, "--filenames"] + filenames
+        subprocess.Popen(cmd)
+
+    def get_file_items(self, window, files):
+        menuitem = Nautilus.MenuItem(
+            name="OnionShare::Nautilus", label=self.label, tip="", icon=""
+        )
+        menu = Nautilus.Menu()
+        menu.append_item(menuitem)
+        menuitem.connect("activate", self.menu_activate_cb, files)
+        return (menuitem,)
+
+    def menu_activate_cb(self, menu, files):
+        file_list = []
+        for file in files:
+            file_list.append(self.url2path(file))
+        self.exec_onionshare(file_list)
+
+    # Workaround https://bugzilla.gnome.org/show_bug.cgi?id=784278
+    def get_background_items(self, window, file):
+        return None