replace deprecated pep517.build by build

src/poetry/inspection/info.py

@@ -34,15 +34,23 @@
 logger = logging.getLogger(__name__)
 
 PEP517_META_BUILD = """\
-import pep517.build
-import pep517.meta
+from build import ProjectBuilder
+from build.env import IsolatedEnvBuilder
 
-path='{source}'
-system=pep517.build.compat_system(path)
-pep517.meta.build(source_dir=path, dest='{dest}', system=system)
+path = '{source}'
+out_dir = '{dest}'
+
+builder = ProjectBuilder(path)
+
+with IsolatedEnvBuilder() as env:
+    builder.python_executable = env.executable
+    builder.scripts_dir = env.scripts_dir
+    env.install(builder.build_system_requires)
+    env.install(builder.get_requires_for_build('wheel'))
+    builder.metadata_path(out_dir)
 """
 
-PEP517_META_BUILD_DEPS = ["pep517===0.8.2", "toml==0.10.1"]
+PEP517_META_BUILD_DEPS = ["build===0.7.0"]
 
 
 class PackageInfoError(ValueError):