move a bunch of imports into TYPE_CHECKING blocks

These are only used for type checking, so don't bother importing them at
runtime.

Generally add future annotations at the same time, to make sure that
existing uses of these imports don't need to be quoted.

1 files changed, 9 insertions, 3 deletions

diff --git a/mesonbuild/modules/java.py b/mesonbuild/modules/java.py
index 22b8d2c..a8e5062 100644
--- a/mesonbuild/modules/java.py
+++ b/mesonbuild/modules/java.py
@@ -11,17 +11,23 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+from __future__ import annotations
 
 import os
 import pathlib
 import typing as T
+
 from mesonbuild import mesonlib
 from mesonbuild.build import CustomTarget, CustomTargetIndex, GeneratedList, Target
-from mesonbuild.compilers import detect_compiler_for, Compiler
-from mesonbuild.interpreter import Interpreter
+from mesonbuild.compilers import detect_compiler_for
 from mesonbuild.interpreterbase.decorators import ContainerTypeInfo, FeatureDeprecated, FeatureNew, KwargInfo, typed_pos_args, typed_kwargs
 from mesonbuild.mesonlib import version_compare, MachineChoice
-from . import NewExtensionModule, ModuleReturnValue, ModuleState
+from . import NewExtensionModule, ModuleReturnValue
+
+if T.TYPE_CHECKING:
+    from . import ModuleState
+    from ..compilers import Compiler
+    from ..interpreter import Interpreter
 
 class JavaModule(NewExtensionModule):
     @FeatureNew('Java Module', '0.60.0')