Add version argument to freqUI installer

freqtrade/commands/arguments.py

@@ -73,7 +73,7 @@ ARGS_PLOT_DATAFRAME = ["pairs", "indicators1", "indicators2", "plot_limit",
 ARGS_PLOT_PROFIT = ["pairs", "timerange", "export", "exportfilename", "db_url",
                     "trade_source", "timeframe", "plot_auto_open"]
 
-ARGS_INSTALL_UI = ["erase_ui_only"]
+ARGS_INSTALL_UI = ["erase_ui_only", 'ui_version']
 
 ARGS_SHOW_TRADES = ["db_url", "trade_ids", "print_json"]
 

freqtrade/commands/cli_options.py

@@ -414,6 +414,12 @@ AVAILABLE_CLI_OPTIONS = {
         action='store_true',
         default=False,
     ),
+    "ui_version": Arg(
+        '--ui-version',
+        help=('Specify a specific version of FreqUI to install. '
+              'Not specifying this installs the latest version.'),
+        type=str,
+    ),
     # Templating options
     "template": Arg(
         '--template',

freqtrade/commands/deploy_commands.py

@@ -128,7 +128,7 @@ def download_and_install_ui(dest_folder: Path, dl_url: str, version: str):
         f.write(version)
 
 
-def get_ui_download_url() -> Tuple[str, str]:
+def get_ui_download_url(version: Optional[str] = None) -> Tuple[str, str]:
     base_url = 'https://api.github.com/repos/freqtrade/frequi/'
     # Get base UI Repo path
 
@@ -136,8 +136,16 @@ def get_ui_download_url() -> Tuple[str, str]:
     resp.raise_for_status()
     r = resp.json()
 
-    latest_version = r[0]['name']
-    assets = r[0].get('assets', [])
+    if version:
+        tmp = [x for x in r if x['name'] == version]
+        if tmp:
+            latest_version = tmp[0]['name']
+            assets = tmp[0].get('assets', [])
+        else:
+            raise ValueError("UI-Version not found.")
+    else:
+        latest_version = r[0]['name']
+        assets = r[0].get('assets', [])
     dl_url = ''
     if assets and len(assets) > 0:
         dl_url = assets[0]['browser_download_url']
@@ -156,7 +164,7 @@ def start_install_ui(args: Dict[str, Any]) -> None:
 
     dest_folder = Path(__file__).parents[1] / 'rpc/api_server/ui/installed/'
     # First make sure the assets are removed.
-    dl_url, latest_version = get_ui_download_url()
+    dl_url, latest_version = get_ui_download_url(args.get('ui_version'))
 
     curr_version = read_ui_version(dest_folder)
     if curr_version == latest_version and not args.get('erase_ui_only'):

tests/commands/test_commands.py

@@ -605,16 +605,33 @@ def test_get_ui_download_url(mocker):
 def test_get_ui_download_url_direct(mocker):
     response = MagicMock()
     response.json = MagicMock(
-        side_effect=[[{
-            'assets_url': 'http://whatever.json',
-            'name': '0.0.1',
-            'assets': [{'browser_download_url': 'http://download11.zip'}]}]])
+        return_value=[
+            {
+                'assets_url': 'http://whatever.json',
+                'name': '0.0.2',
+                'assets': [{'browser_download_url': 'http://download22.zip'}]
+            },
+            {
+                'assets_url': 'http://whatever.json',
+                'name': '0.0.1',
+                'assets': [{'browser_download_url': 'http://download1.zip'}]
+            },
+        ])
     get_mock = mocker.patch("freqtrade.commands.deploy_commands.requests.get",
                             return_value=response)
     x, last_version = get_ui_download_url()
     assert get_mock.call_count == 1
+    assert last_version == '0.0.2'
+    assert x == 'http://download22.zip'
+    get_mock.reset_mock()
+    response.json.reset_mock()
+
+    x, last_version = get_ui_download_url('0.0.1')
     assert last_version == '0.0.1'
-    assert x == 'http://download11.zip'
+    assert x == 'http://download1.zip'
+
+    with pytest.raises(ValueError, match="UI-Version not found."):
+        x, last_version = get_ui_download_url('0.0.3')
 
 
 def test_download_data_keyboardInterrupt(mocker, caplog, markets):