gemini handler added.

config.py

@@ -28,12 +28,13 @@ class DefaultUser:
     settingsfile: Path = datadir / PATHS.settingsfile
     lastlogin: str = "0.0"
     browser: str = "lynx"
+    gemini: str = "amfora"
 
     def save(self):
         """Saves config data to file"""
         config = configparser.ConfigParser()
         config["User Status"] = {"lastlogin": time()}
-        config["User Settings"] = {"browser": self.browser}
+        config["User Settings"] = {"browser": self.browser, "gemini": self.gemini}
         with open(self.settingsfile, "w") as file:
             config.write(file)
 
@@ -44,6 +45,7 @@ class DefaultUser:
         if len(ret) > 0:
             self.lastlogin = config["User Status"]["lastlogin"]
             self.browser = config["User Settings"]["browser"]
+            self.gemini = config["User Settings"]["gemini"]
 
 
 USER = DefaultUser()

linkulator.py

@@ -222,12 +222,21 @@ def view_link_in_browser(url):
             + " is not installed on your system.  Ask your sysadmin to install it."
         )
         return
+    if which(config.USER.gemini) is None:
+        print(
+            "Sorry, "
+            + config.USER.gemini
+            + " is not installed on your system.  Ask your sysadmin to install it."
+        )
+        return
 
     url_scheme = urlparse(url).scheme
     if url_scheme in ["gopher", "https", "http"]:
         subprocess.call([config.USER.browser, url])
+    elif url_scheme in ["gemini"]:
+        subprocess.call([config.USER.gemini, url])
     else:
-        print("Sorry, that url doesn't start with gopher://, http:// or https://")
+        print("Sorry, that url doesn't start with gopher://, http://,  https:// or gemini://")
         try_anyway = input(
             "Do you want to try it in {} anyway? Y/[N]".format(config.USER.browser)
         ).lower()
@@ -418,7 +427,8 @@ def menu_view_thread_details(post_id):
     option_text = "Type {} to reply, {} to view in {}, {} to search, {} to post a new link, {} to go back, or {} to quit: ".format(
         style_text("r", True, "underline"),
         style_text("b", True, "underline"),
-        config.USER.browser,
+        # config.USER.browser,
+        "browser",
         style_text("s", True, "underline"),
         style_text("p", True, "underline"),
         style_text("m", True, "underline"),