support format key in ytdlp.json, using the key will ignore the selected preset.

app/library/DownloadQueue.py

@@ -395,7 +395,7 @@ class DownloadQueue(metaclass=Singleton):
                     "func": lambda _, msg: logs.append(msg),
                     "level": logging.WARNING,
                 },
-                **merge_config(self.config.ytdl_options, config),
+                **get_opts(preset, merge_config(self.config.ytdl_options, config)),
             }
 
             if cookies:
@@ -408,7 +408,7 @@ class DownloadQueue(metaclass=Singleton):
 
             entry = await asyncio.wait_for(
                 fut=asyncio.get_running_loop().run_in_executor(
-                    None, extract_info, get_opts(preset, yt_conf), url, bool(self.config.ytdl_debug)
+                    None, extract_info, yt_conf, url, bool(self.config.ytdl_debug)
                 ),
                 timeout=self.config.extract_info_timeout,
             )

app/library/HttpAPI.py

@@ -32,7 +32,15 @@ from .Playlist import Playlist
 from .Segments import Segments
 from .Subtitle import Subtitle
 from .Tasks import Task, Tasks
-from .Utils import StreamingError, arg_converter, calc_download_path, get_video_info, validate_url, validate_uuid
+from .Utils import (
+    IGNORED_KEYS,
+    StreamingError,
+    arg_converter,
+    calc_download_path,
+    get_video_info,
+    validate_url,
+    validate_uuid,
+)
 
 LOG = logging.getLogger("http_api")
 MIME = magic.Magic(mime=True)
@@ -347,11 +355,28 @@ class HttpAPI(Common):
             return web.json_response(data={"error": "args param is required."}, status=web.HTTPBadRequest.status_code)
 
         try:
-            return web.json_response(data=arg_converter(args), status=web.HTTPOk.status_code)
+            response = {"opts": {}, "output_template": None, "download_path": None}
+
+            data = arg_converter(args)
+
+            if "outtmpl" in data and "default" in data["outtmpl"]:
+                response["output_template"] = data["outtmpl"]["default"]
+
+            if "paths" in data and "home" in data["paths"]:
+                response["download_path"] = data["paths"]["home"]
+
+            for key in data:
+                if key in IGNORED_KEYS:
+                    continue
+                if not key.startswith("_"):
+                    response["opts"][key] = data[key]
+
+            return web.json_response(data=response, status=web.HTTPOk.status_code)
         except Exception as e:
             err = str(e).strip()
             err = err.split("\n")[-1] if "\n" in err else err
             LOG.error(f"Failed to convert args. '{err}'.")
+            LOG.exception(e)
             return web.json_response(
                 data={"error": f"Failed to convert args. '{err}'."}, status=web.HTTPBadRequest.status_code
             )

app/library/Utils.py

@@ -23,7 +23,6 @@ IGNORED_KEYS: tuple[str] = (
     "outtmpl",
     "progress_hooks",
     "postprocessor_hooks",
-    "format",
     "download_archive",
 )
 YTDLP_INFO_CLS: yt_dlp.YoutubeDL = None
@@ -45,6 +44,11 @@ def get_opts(preset: str, ytdl_opts: dict) -> dict:
       ytdl extra options
 
     """
+    if "format" in ytdl_opts and len(ytdl_opts["format"]) > 2:
+        format = ytdl_opts["format"]
+        LOG.info(f"Format '{format}' was given via yt-dlp options. Therefore, the preset will be ignored.")
+        return ytdl_opts
+
     opts = copy.deepcopy(ytdl_opts)
 
     if "default" == preset:

ui/components/NewDownload.vue

@@ -20,8 +20,9 @@
                 </div>
                 <div class="control is-expanded">
                   <div class="select is-fullwidth">
-                    <select id="preset" class="is-fullwidth" :disabled="!socket.isConnected || addInProgress"
+                    <select id="preset" class="is-fullwidth"
-                      v-model="selectedPreset">
+                      :disabled="!socket.isConnected || addInProgress || hasFormatInConfig" v-model="selectedPreset"
+                      v-tooltip.bottom="hasFormatInConfig ? 'Presets are disabled. Format key is present in the config.' : ''">
                       <option v-for="item in config.presets" :key="item.name" :value="item.name">
                         {{ item.name }}
                       </option>
@@ -81,7 +82,7 @@
                 <label class="label is-inline" for="ytdlpConfig"
                   v-tooltip="'Extends current global yt-dlp config. (JSON)'">
                   JSON yt-dlp config or CLI options.
-                  <NuxtLink v-if="ytdlpConfig && !ytdlpConfig.trim().startsWith('{')" @click="convertOptions()">
+                  <NuxtLink v-if="ytdlpConfig && ytdlpConfig.trim() && !ytdlpConfig.trim().startsWith('{')" @click="convertOptions()">
                     Convert to JSON
                   </NuxtLink>
                 </label>
@@ -93,8 +94,10 @@
                 <span class="help">
                   <span class="icon"><i class="fa-solid fa-info" /></span>
                   <span>Extends current global yt-dlp config with given options. Some fields are ignored like
-                    <code>format</code> <code>cookiefile</code>, <code>paths</code>, and <code>outtmpl</code> etc.
+                    <code>cookiefile</code>, <code>paths</code>, and <code>outtmpl</code> etc. Warning: Use with caution
-                    Warning: Use with caution some of those options can break yt-dlp or the frontend.</span>
+                    some of those options can break yt-dlp or the frontend. If <code>Format</code> key is present
+                    in the config, <span class="has-text-danger">the preset and all it's options will be
+                      ignored</span>.</span>
                 </span>
               </div>
             </div>
@@ -242,7 +245,15 @@ const convertOptions = async () => {
 
   try {
     convertInProgress.value = true
-    ytdlpConfig.value = await convertCliOptions(ytdlpConfig.value)
+    const response = await convertCliOptions(ytdlpConfig.value)
+    ytdlpConfig.value = JSON.stringify(response.opts, null, 2)
+    if (response.output_template) {
+      output_template.value = response.output_template
+    }
+    if (response.download_path) {
+      downloadPath.value = response.download_path
+    }
+
   } catch (e) {
     toast.error(e.message)
   } finally {
@@ -262,4 +273,16 @@ onUnmounted(() => {
   socket.off('status', statusHandler)
   socket.off('error', unlockDownload)
 })
+
+const hasFormatInConfig = computed(() => {
+  if (!ytdlpConfig.value) {
+    return false
+  }
+  try {
+    const config = JSON.parse(ytdlpConfig.value)
+    return "format" in config
+  } catch (e) {
+    return false
+  }
+})
 </script>

ui/components/TaskForm.vue

@@ -32,7 +32,7 @@
             <div class="column is-6-tablet is-12-mobile">
               <div class="field">
                 <label class="label is-inline" for="url">
-                  Channel or Playlist URL
+                  URL
                 </label>
                 <div class="control has-icons-left">
                   <input type="url" class="input" id="url" v-model="form.url" :disabled="addInProgress">
@@ -40,7 +40,7 @@
                 </div>
                 <span class="help">
                   <span class="icon"><i class="fa-solid fa-info" /></span>
-                  <span>The YouTube channel or playlist URL</span>
+                  <span>The channel or playlist URL.</span>
                 </span>
               </div>
             </div>
@@ -69,7 +69,9 @@
                 </label>
                 <div class="control has-icons-left">
                   <div class="select is-fullwidth">
-                    <select id="preset" class="is-fullwidth" v-model="form.preset" :disabled="addInProgress">
+                    <select id="preset" class="is-fullwidth" v-model="form.preset"
+                      :disabled="addInProgress || hasFormatInConfig"
+                      v-tooltip.bottom="hasFormatInConfig ? 'Presets are disabled. Format key is present in the config.' : ''">
                       <option v-for="item in config.presets" :key="item.name" :value="item.name">
                         {{ item.name }}
                       </option>
@@ -79,7 +81,8 @@
                 </div>
                 <span class="help">
                   <span class="icon"><i class="fa-solid fa-info" /></span>
-                  <span>Select the preset to use for this URL.</span>
+                  <span>Select the preset to use for this URL. The preset will be ignored if format key is present in
+                    config.</span>
                 </span>
               </div>
             </div>
@@ -138,8 +141,8 @@
                 <span class="help">
                   <span class="icon"><i class="fa-solid fa-info" /></span>
                   <span> Extends current global yt-dlp config with given options. Some fields are ignored like
-                    <code>format</code> <code>cookiefile</code>, <code>paths</code>, and <code>outtmpl</code> etc.
+                    <code>cookiefile</code>, <code>paths</code>, and <code>outtmpl</code> etc. Warning: Use with caution
-                    Warning: Use with caution some of those options can break yt-dlp or the frontend.</span>
+                    some of those options can break yt-dlp or the frontend.</span>
                 </span>
               </div>
             </div>
@@ -278,7 +281,14 @@ const convertOptions = async () => {
 
   try {
     convertInProgress.value = true
-    form.config = await convertCliOptions(form.config)
+    const response = await convertCliOptions(form.config)
+    form.config = JSON.stringify(response.opts, null, 2)
+    if (response.output_template) {
+      form.template = response.output_template
+    }
+    if (response.download_path) {
+      form.folder = response.download_path
+    }
   } catch (e) {
     toast.error(e.message)
   } finally {
@@ -286,4 +296,15 @@ const convertOptions = async () => {
   }
 }
 
+const hasFormatInConfig = computed(() => {
+  if (!form.config) {
+    return false
+  }
+  try {
+    const config = JSON.parse(form.config)
+    return "format" in config
+  } catch (e) {
+    return false
+  }
+})
 </script>

ui/utils/index.js

@@ -400,7 +400,7 @@ const convertCliOptions = async opts => {
     throw new Error(`Error: (${response.status}): ${data.error}`)
   }
 
-  return JSON.stringify(data, null, 2)
+  return data
 }
 
 export {