fix aria2c with both download cases

Author: LostRuins

koboldcpp.py

@@ -6505,18 +6505,20 @@ def downloader_internal(input_url, output_filename, capture_output, min_file_siz
         print(f"{output_filename} already exists, using existing file.")
         return output_filename
     print(f"Downloading {input_url}", flush=True)
-    dl_success = False
 
+    dl_success = False
+    out_dir = os.path.dirname(os.path.abspath(output_filename)) or os.getcwd()
+    out_name = os.path.basename(output_filename)
     try:
         if os.name == 'nt':
             basepath = os.path.abspath(os.path.dirname(__file__))
-            a2cexe = (os.path.join(basepath, "aria2c-win.exe"))
-            if os.path.exists(a2cexe): #on windows try using embedded a2cexe
-                out_dir = os.path.dirname(output_filename)
-                out_name = os.path.basename(output_filename)
+            a2cexe = os.path.join(basepath, "aria2c-win.exe")
+            if os.path.exists(a2cexe):  # on windows try using embedded aria2c
                 rc = subprocess.run([
-                        a2cexe, "-x", "16", "-s", "16", "--summary-interval=15", "--console-log-level=error", "--log-level=error",
-                        "--download-result=default", "--continue=true", "--allow-overwrite=true", "--file-allocation=none", "--max-tries=3",
+                        a2cexe, "-x", "16", "-s", "16",
+                        "--summary-interval=15", "--console-log-level=error", "--log-level=error",
+                        "--download-result=default", "--continue=true", "--allow-overwrite=true",
+                        "--file-allocation=none", "--max-tries=3",
                         "-d", out_dir, "-o", out_name, input_url
                     ], capture_output=capture_output, text=True, check=True, encoding='utf-8')
                 dl_success = (rc.returncode == 0 and os.path.exists(output_filename) and os.path.getsize(output_filename) > min_file_size)
@@ -6525,11 +6527,11 @@ def downloader_internal(input_url, output_filename, capture_output, min_file_siz
 
     try:
         if not dl_success and shutil.which("aria2c") is not None:
-            out_dir = os.path.dirname(output_filename)
-            out_name = os.path.basename(output_filename)
             rc = subprocess.run([
-                    "aria2c", "-x", "16", "-s", "16", "--summary-interval=15", "--console-log-level=error", "--log-level=error",
-                    "--download-result=default", "--allow-overwrite=true", "--file-allocation=none", "--max-tries=3",
+                    "aria2c", "-x", "16", "-s", "16",
+                    "--summary-interval=15", "--console-log-level=error", "--log-level=error",
+                    "--download-result=default", "--allow-overwrite=true",
+                    "--file-allocation=none", "--max-tries=3",
                     "-d", out_dir, "-o", out_name, input_url
                 ], capture_output=capture_output, text=True, check=True, encoding='utf-8')
             dl_success = (rc.returncode == 0 and os.path.exists(output_filename) and os.path.getsize(output_filename) > min_file_size)