Add option to set Python interpreter path

config.py

@@ -66,6 +66,7 @@
 prefs.defaults["last_opened_kindle_lemmas_language"] = "ca"
 prefs.defaults["last_opened_wiktionary_lemmas_language"] = "ca"
 prefs.defaults["use_wiktionary_for_kindle"] = False
+prefs.defaults["python_path"] = ""
 for code in load_plugin_json(get_plugin_path(), "data/languages.json").keys():
     prefs.defaults[f"{code}_wiktionary_difficulty_limit"] = 5
 
@@ -119,6 +120,17 @@ def __init__(self):
             QFormLayout.FieldGrowthPolicy.ExpandingFieldsGrow
         )
 
+        python_path_label = QLabel(_("Python path"))
+        python_path_label.setToolTip(
+            _(
+                "Absolute path of the executable binary for the Python interpreter, "
+                "leave this empty to find Python in PATH."
+            )
+        )
+        self.python_path = QLineEdit()
+        self.python_path.setText(prefs["python_path"])
+        form_layout.addRow(python_path_label, self.python_path)
+
         if not ismacos:
             self.use_gpu_box = QCheckBox(_("Run spaCy with GPU(requires CUDA)"))
             self.use_gpu_box.setToolTip(
@@ -217,6 +229,7 @@ def open_github(self) -> None:
         webbrowser.open(GITHUB_URL)
 
     def save_settings(self) -> None:
+        prefs["python_path"] = self.python_path.text()
         prefs["use_pos"] = self.use_pos_box.isChecked()
         prefs["search_people"] = self.search_people_box.isChecked()
         prefs["model_size"] = self.model_size_box.currentData()

deps.py

@@ -83,8 +83,12 @@ def which_python() -> tuple[str, str]:
     """
     Return Python command or file path and version string
     """
+    from .config import prefs
+
     py = "python3"
-    if iswindows:
+    if len(prefs["python_path"]) > 0:
+        py = prefs["python_path"]
+    elif iswindows:
         py = "py" if shutil.which("py") else "python"
     elif ismacos:
         py = mac_bin_path("python3")

utils.py

@@ -38,6 +38,7 @@ class Prefs(TypedDict):
     last_opened_kindle_lemmas_language: str
     last_opened_wiktionary_lemmas_language: str
     use_wiktionary_for_kindle: bool
+    python_path: str
 
 
 def load_plugin_json(plugin_path: Path, filepath: str) -> Any: