fix wpaperd ports; only query compositor for outputs one time

install.py

@@ -131,7 +131,9 @@ class OutputConfig:
         if self.background_path is None:
             return {}
 
-        key = self.match
+        # FIXME: output descriptions _should_ work?
+        # https://github.com/danyspin97/wpaperd/pull/97
+        key = self.port or self.match
         if self.match == "*":
             key = "any"
 
@@ -234,6 +236,35 @@ def main():
 
     host_config = cattrs.structure(host_toml, HostConfig)
 
+    output_map = []
+    try:
+        if "SWAYSOCK" in os.environ:
+            get_outputs = subprocess.check_output(
+                ["swaymsg", "-t", "get_outputs", "-p"],
+            ).decode("utf-8")
+            for line in get_outputs.splitlines():
+                # Line format: Output <port> '<match identifier>'
+                if line.startswith("Output"):
+                    output_map.append((line, line.split()[1]))
+
+        elif "NIRI_SOCKET" in os.environ:
+            get_outputs = subprocess.check_output(
+                ["niri", "msg", "outputs"],
+            ).decode("utf-8")
+            for line in get_outputs.splitlines():
+                # Line format: Output "<match identifier>" (<port>)
+                if line.startswith("Output"):
+                    output_map.append((line, line.split()[-1].removeprefix("(").removesuffix(")")))
+        else:
+            print(
+                "Could not find SWAYSOCK or NIRI_SOCKET, cannot retrieve output names."
+            )
+            print("Please re-run in sway or niri to finish configuring swaylock.")
+
+    except subprocess.CalledProcessError:
+        print("Could not contact sway or niri to retrieve output names.")
+        print("Please re-run in sway or niri to finish configuring swaylock.")
+
     for output in host_config.outputs:
         # Attempt to resolve port names for swaylock template
         # (Workaround https://github.com/swaywm/swaylock/issues/114)
@@ -243,37 +274,10 @@ def main():
         if output.match == "*":
             continue
 
-        try:
-            if "SWAYSOCK" in os.environ:
-                get_outputs = subprocess.check_output(
-                    ["swaymsg", "-t", "get_outputs", "-p"],
-                ).decode("utf-8")
-                for line in get_outputs.splitlines():
-                    # Line format: Output <port> '<match identifier>'
-                    if line.startswith("Output") and output.match in line:
-                        output.port = line.split()[1]
-                        break
-
-            elif "NIRI_SOCKET" in os.environ:
-                get_outputs = subprocess.check_output(
-                    ["niri", "msg", "outputs"],
-                ).decode("utf-8")
-                for line in get_outputs.splitlines():
-                    # Line format: Output "<match identifier>" (<port>)
-                    if line.startswith("Output") and output.match in line:
-                        output.port = (
-                            line.split()[-1].removeprefix("(").removesuffix(")")
-                        )
-                        break
-            else:
-                print(
-                    "Could not find SWAYSOCK or NIRI_SOCKET, cannot retrieve output names."
-                )
-                print("Please re-run in sway or niri to finish configuring swaylock.")
-
-        except subprocess.CalledProcessError:
-            print("Could not contact sway or niri to retrieve output names.")
-            print("Please re-run in sway or niri to finish configuring swaylock.")
+        for haystack, port in output_map:
+            if output.match in haystack:
+                output.port = port
+                break
 
     jenv = jinja2.Environment(
         loader=jinja2.FileSystemLoader("templates"),