misc: make stub behave the same

src/rattler_build_conda_compat/jinja/filters.py

@@ -9,8 +9,7 @@ def _version_to_build_string(some_string: str | _MissingUndefined) -> str:
     If piped value is undefined, it returns the undefined value as is.
     """
     if isinstance(some_string, _MissingUndefined):
-        inner_value = f"{some_string._undefined_name} | version_to_build_string"  # noqa: SLF001
-        return f"${{{{ {inner_value} }}}}"
+        return f"{some_string._undefined_name}_version_to_build_string"  # noqa: SLF001
     # We first split the string by whitespace and take the first part
     split = some_string.split()[0] if some_string.split() else some_string
     # We then split the string by . and take the first two parts

src/rattler_build_conda_compat/jinja/objects.py

@@ -4,18 +4,15 @@
 class _StubEnv:
     """A class to represent the env object used in rattler-build recipe."""
 
-    def get(self, env_var: str, default: str | None = None) -> str:
-        if default:
-            return f"""${{{{ env.get("{env_var}", default="{default}") }}}}"""
-
-        return f"""${{{{ env.get("{env_var}")}}}}"""
+    def get(self, env_var: str, _default: str | None = None) -> str:
+        return f"""env_"{env_var}" """
 
     def exists(self, env_var: str) -> str:
-        return f"""${{{{ env.exists("{env_var}") }}}}"""
+        return f"""env_exists_"{env_var}" """
 
 
 def _stub_compatible_pin(*args, **kwargs) -> str:  # noqa: ARG001, ANN003, ANN002
-    return f"${{{{ compatible_pin {args[0]} }}}}"
+    return f"compatible_pin {args[0]}"
 
 
 def _stub_subpackage_pin(*args, **kwargs) -> str:  # noqa: ARG001, ANN003, ANN002
@@ -27,12 +24,12 @@ def _stub_match(*args, **kwargs) -> str:  # noqa: ARG001, ANN003, ANN002
 
 
 def _stub_is_unix(platform: str) -> str:
-    return f"${{{{ is_unix {platform} }}}}"
+    return f"is_unix {platform}"
 
 
 def _stub_is_win(platform: str) -> str:
-    return f"${{{{ is_win {platform} }}}}"
+    return f"is_win {platform}"
 
 
 def _stub_is_linux(platform: str) -> str:
-    return f"${{{{ is_linux {platform} }}}}"
+    return f"is_linux {platform}"

tests/__snapshots__/test_jinja.ambr

@@ -4,11 +4,11 @@
   about:
     description: '# Mamba, the Fast Cross-Platform Package Manager
 
-      ${{ env.get("MY_ENV_VAR")}}
+      env_"MY_ENV_VAR
 
-      ${{ env.get("MY_ENV_VAR", default="default_value") }}
+      env_"MY_ENV_VAR
 
-      ${{ env.exists("MY_ENV_VAR") }}
+      env_exists_"MY_ENV_VAR
 
       '
     homepage: https://github.com/mamba-org/mamba
@@ -106,7 +106,7 @@
       - build_mamba.sh
       - ''
       - ''
-      string: py${{ python | version_to_build_string }}h${{ hash }}_2
+      string: pypython_version_to_build_stringh${{ hash }}_2
     package:
       name: mamba
       version: 1.5.8

tests/test_jinja.py

@@ -23,4 +23,4 @@ def test_version_to_build_string() -> None:
     assert _version_to_build_string("1.2") == "12"
     assert _version_to_build_string("nothing") == "nothing"
     some_undefined = _MissingUndefined(name="python")
-    assert _version_to_build_string(some_undefined) == "${{ python | version_to_build_string }}"
+    assert _version_to_build_string(some_undefined) == "python_version_to_build_string"