Fix windows support for mypy_primer --coverage

mypy_primer/main.py

@@ -128,7 +128,11 @@ def select_projects() -> list[Project]:
     if ARGS.project_date:
         project_iter = (replace(p, revision=ARGS.project_date) for p in project_iter)
 
-    projects = list(project_iter)
+    projects = [
+        p
+        for p in project_iter
+        if p.supported_platforms is None or sys.platform in p.supported_platforms
+    ]
     if projects == []:
         raise ValueError("No projects selected!")
 
@@ -300,7 +304,11 @@ async def coverage() -> None:
     )
 
     projects = select_projects()
-    mypy_python = mypy_exe.parent / "python"
+    if sys.platform == "win32":
+        mypy_python = mypy_exe.parent / "python.exe"
+    else:
+        mypy_python = mypy_exe.parent / "python"
+
     assert mypy_python.exists()
 
     all_paths = await asyncio.gather(*[

mypy_primer/model.py

@@ -39,6 +39,8 @@ class Project:
 
     name_override: str | None = None
 
+    supported_platforms: list[str] | None = None
+
     # custom __repr__ that omits defaults.
     def __repr__(self) -> str:
         result = f"Project(location={self.location!r}, mypy_cmd={self.mypy_cmd!r}"
@@ -58,6 +60,8 @@ def __repr__(self) -> str:
             result += f", min_python_version={self.min_python_version!r}"
         if self.name_override:
             result += f", name_override={self.name_override!r}"
+        if self.supported_platforms:
+            result += f", supported_platforms={self.supported_platforms!r}"
         result += ")"
         return result
 
@@ -265,7 +269,7 @@ async def mypy_source_paths(self, mypy_python: str) -> list[Path]:
 """
         # the extra shell stuff here makes sure we expand globs in mypy_cmd
         proc, _ = await run(
-            f"{mypy_python} -c {shlex.quote(program)} {mypy_cmd}",
+            f"{mypy_python} -c {quote_path(program)} {mypy_cmd}",
             output=True,
             cwd=ctx.get().projects_dir / self.name,
             shell=True,

mypy_primer/projects.py

@@ -112,6 +112,7 @@ def get_projects() -> list[Project]:
             mypy_cmd="{mypy} aiohttp",
             pip_cmd="AIOHTTP_NO_EXTENSIONS=1 {pip} install -e . pytest",
             expected_mypy_success=True,
+            supported_platforms=["linux", "darwin"],
         ),
         Project(
             location="https://github.com/python-attrs/attrs",
@@ -144,6 +145,7 @@ def get_projects() -> list[Project]:
             mypy_cmd="{mypy} boostedblob",
             pip_cmd="{pip} install aiohttp uvloop pycryptodome",
             expected_mypy_success=True,
+            supported_platforms=["linux", "darwin"],
         ),
         Project(
             location="https://github.com/quora/asynq",
@@ -227,6 +229,7 @@ def get_projects() -> list[Project]:
                 " types-pytz types-PyYAML types-requests"
             ),
             expected_mypy_success=True,
+            supported_platforms=["linux", "darwin"],
         ),
         Project(
             location="https://github.com/PrefectHQ/prefect",
@@ -338,6 +341,7 @@ def get_projects() -> list[Project]:
             mypy_cmd="{mypy} src/schemathesis",
             pip_cmd="{pip} install attrs types-requests types-PyYAML",
             expected_mypy_success=True,
+            supported_platforms=["linux", "darwin"],
         ),
         Project(
             location="https://github.com/graphql-python/graphql-core",
@@ -588,6 +592,7 @@ def get_projects() -> list[Project]:
             mypy_cmd="{mypy} .",
             pip_cmd="{pip} install types-Pillow types-cachetools types-requests attrs",
             expected_mypy_success=True,
+            supported_platforms=["linux", "darwin"],
         ),
         Project(
             location="https://github.com/sco1/pylox",
@@ -890,4 +895,8 @@ def get_projects() -> list[Project]:
         ),
     ]
     assert len(projects) == len({p.name for p in projects})
+    for p in projects:
+        assert p.supported_platforms is None or all(
+            p in ("linux", "darwin") for p in p.supported_platforms
+        )
     return projects