Install primer.json (used by black-primer by default) with black (#2154)

[etc/vim.git] / src / black_primer / lib.py

diff --git a/src/black_primer/lib.py b/src/black_primer/lib.py
index c3069812b224d74f16e183300cf3ff015982c0a3..7999f6a3e3652690bbcf3cda197685b7898c68bb 100644 (file)
--- a/src/black_primer/lib.py
+++ b/src/black_primer/lib.py
@@ -13,6 +13,7 @@ from platform import system
 from shutil import rmtree, which
 from subprocess import CalledProcessError
 from sys import version_info
 from shutil import rmtree, which
 from subprocess import CalledProcessError
 from sys import version_info

+from tempfile import TemporaryDirectory

 from typing import Any, Callable, Dict, NamedTuple, Optional, Sequence, Tuple
 from urllib.parse import urlparse
 
 from typing import Any, Callable, Dict, NamedTuple, Optional, Sequence, Tuple
 from urllib.parse import urlparse
 


@@ -58,13 +59,16 @@ async def _gen_check_output(
         await process.wait()
         raise
 
         await process.wait()
         raise
 

-    if process.returncode != 0:
-        returncode = process.returncode
-        if returncode is None:
-            returncode = 69
+    # A non-optional timeout was supplied to asyncio.wait_for, guaranteeing
+    # a timeout or completed process.  A terminated Python process will have a
+    # non-empty returncode value.
+    assert process.returncode is not None

 
 

+    if process.returncode != 0:

         cmd_str = " ".join(cmd)
         cmd_str = " ".join(cmd)

-        raise CalledProcessError(returncode, cmd_str, output=stdout, stderr=stderr)
+        raise CalledProcessError(
+            process.returncode, cmd_str, output=stdout, stderr=stderr
+        )

 
     return (stdout, stderr)
 
 
     return (stdout, stderr)
 


@@ -118,28 +122,36 @@ async def black_run(
         cmd.extend(*project_config["cli_arguments"])
     cmd.extend(["--check", "--diff", "."])
 
         cmd.extend(*project_config["cli_arguments"])
     cmd.extend(["--check", "--diff", "."])
 

-    try:
-        _stdout, _stderr = await _gen_check_output(cmd, cwd=repo_path)
-    except asyncio.TimeoutError:
-        results.stats["failed"] += 1
-        LOG.error(f"Running black for {repo_path} timed out ({cmd})")
-    except CalledProcessError as cpe:
-        # TODO: Tune for smarter for higher signal
-        # If any other return value than 1 we raise - can disable project in config
-        if cpe.returncode == 1:
-            if not project_config["expect_formatting_changes"]:
+    with TemporaryDirectory() as tmp_path:
+        # Prevent reading top-level user configs by manipulating envionment variables
+        env = {
+            **os.environ,
+            "XDG_CONFIG_HOME": tmp_path,  # Unix-like
+            "USERPROFILE": tmp_path,  # Windows (changes `Path.home()` output)
+        }
+
+        try:
+            _stdout, _stderr = await _gen_check_output(cmd, cwd=repo_path, env=env)
+        except asyncio.TimeoutError:
+            results.stats["failed"] += 1
+            LOG.error(f"Running black for {repo_path} timed out ({cmd})")
+        except CalledProcessError as cpe:
+            # TODO: Tune for smarter for higher signal
+            # If any other return value than 1 we raise - can disable project in config
+            if cpe.returncode == 1:
+                if not project_config["expect_formatting_changes"]:
+                    results.stats["failed"] += 1
+                    results.failed_projects[repo_path.name] = cpe
+                else:
+                    results.stats["success"] += 1
+                return
+            elif cpe.returncode > 1:

                 results.stats["failed"] += 1
                 results.failed_projects[repo_path.name] = cpe
                 results.stats["failed"] += 1
                 results.failed_projects[repo_path.name] = cpe

-            else:
-                results.stats["success"] += 1
-            return
-        elif cpe.returncode > 1:
-            results.stats["failed"] += 1
-            results.failed_projects[repo_path.name] = cpe
-            return
+                return

 
 

-        LOG.error(f"Unknown error with {repo_path}")
-        raise
+            LOG.error(f"Unknown error with {repo_path}")
+            raise

 
     # If we get here and expect formatting changes something is up
     if project_config["expect_formatting_changes"]:
 
     # If we get here and expect formatting changes something is up
     if project_config["expect_formatting_changes"]: