Update build backend (#84)

.gitignore

@@ -1,3 +1,5 @@
+cmake_language_server/version.py
+
 /build/
 /dist/
 __pycache__/
@@ -7,5 +9,5 @@ __pycache__/
 .coverage
 coverage.xml
 
-.pdm.toml
+.pdm-python
 __pypackages__/

cmake_language_server/version.py

@@ -1 +0,0 @@
-__version__ = "dev"

pdm.lock

@@ -6,7 +6,7 @@ groups = ["default", "dev", "lint"]
 cross_platform = true
 static_urls = false
 lock_version = "4.3"
-content_hash = "sha256:3632b3ed221f19fdbf0bffa743093bc6ea3d87d7427ed6dcbb0fc4f01fc261d7"
+content_hash = "sha256:80a5c705d477865a92cd50fa41774545541967eaa96e64bf34514c5baf4e3d6d"
 
 [[package]]
 name = "attrs"

pyproject.toml

@@ -27,13 +27,13 @@ repository = "https://github.com/regen100/cmake-language-server"
 cmake-language-server = "cmake_language_server.server:main"
 
 [build-system]
-requires = ["pdm-pep517>=1.0.0"]
-build-backend = "pdm.pep517.api"
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"
 
 [tool.pdm.version]
 source = "scm"
 write_to = "cmake_language_server/version.py"
-write_template = "__version__ = '{}'"
+write_template = "__version__ = \"{}\"\n"
 
 [tool.pdm.dev-dependencies]
 dev = [