Enhancement: Increase maximum URL length for Stream model to 4096 characters (from 2000) and add validation for URL length in processing tasks.

Fixes #585

apps/channels/migrations/0030_alter_stream_url.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.4 on 2025-10-28 20:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dispatcharr_channels', '0029_backfill_custom_stream_hashes'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stream',
+            name='url',
+            field=models.URLField(blank=True, max_length=4096, null=True),
+        ),
+    ]

apps/channels/models.py

@@ -55,7 +55,7 @@ class Stream(models.Model):
     """
 
     name = models.CharField(max_length=255, default="Default Stream")
-    url = models.URLField(max_length=2000, blank=True, null=True)
+    url = models.URLField(max_length=4096, blank=True, null=True)
     m3u_account = models.ForeignKey(
         M3UAccount,
         on_delete=models.CASCADE,

apps/m3u/tasks.py

@@ -894,6 +894,12 @@ def process_m3u_batch_direct(account_id, batch, groups, hash_keys):
     for stream_info in batch:
         try:
             name, url = stream_info["name"], stream_info["url"]
+
+            # Validate URL length - maximum of 4096 characters
+            if url and len(url) > 4096:
+                logger.warning(f"Skipping stream '{name}': URL too long ({len(url)} characters, max 4096)")
+                continue
+
             tvg_id, tvg_logo = get_case_insensitive_attr(
                 stream_info["attributes"], "tvg-id", ""
             ), get_case_insensitive_attr(stream_info["attributes"], "tvg-logo", "")