improve script for conda environment definition

build_utils/pyproject_toml_to_yaml.py

@@ -5,9 +5,27 @@
 base_dir = Path(__file__).parent.parent
 pyproject_toml = base_dir / "pyproject.toml"
 
+
+def drop_line(line):
+    if "python_version < '3.10'" in line:
+        return False
+
+    if "python_version < '3.11'" in line:  # noqa: SIM103
+        return False
+
+    return True
+
+
+def remove_specifier(line: str):
+    if ";" in line:
+        return line.split(";", maxsplit=1)[0]
+    return line
+
+
 with pyproject_toml.open("rb") as f:
     data = tomllib.load(f)
 dependencies = data["project"]["dependencies"]
+dependencies = map(remove_specifier, filter(drop_line, dependencies))
 dependencies_str = "\n".join([f"  - {v}" for v in dependencies])
 dependencies_str = dependencies_str.replace("qtconsole", "qtconsole-base")
 print(dependencies_str)