juc500 정상동작

2026-07-21 21:04:25 +09:00
parent ff60cee1cc
commit 1388668b56
2917 changed files with 708021 additions and 651 deletions
@@ -0,0 +1,72 @@
+from __future__ import annotations
+
+import logging
+import os
+import platform
+import sys
+import tempfile
+
+IMPLEMENTATION = platform.python_implementation()
+IS_PYPY = IMPLEMENTATION == "PyPy"
+IS_GRAALPY = IMPLEMENTATION == "GraalVM"
+IS_RUSTPYTHON = IMPLEMENTATION == "RustPython"
+IS_CPYTHON = IMPLEMENTATION == "CPython"
+IS_WIN = sys.platform == "win32"
+IS_MAC_ARM64 = sys.platform == "darwin" and platform.machine() == "arm64"
+ROOT = os.path.realpath(os.path.join(os.path.abspath(__file__), os.path.pardir, os.path.pardir))
+IS_ZIPAPP = os.path.isfile(ROOT)
+_CAN_SYMLINK = _FS_CASE_SENSITIVE = _CFG_DIR = _DATA_DIR = None
+LOGGER = logging.getLogger(__name__)
+
+
+def fs_is_case_sensitive() -> bool:
+    global _FS_CASE_SENSITIVE  # noqa: PLW0603
+
+    if _FS_CASE_SENSITIVE is None:
+        with tempfile.NamedTemporaryFile(prefix="TmP") as tmp_file:
+            _FS_CASE_SENSITIVE = not os.path.exists(tmp_file.name.lower())
+            LOGGER.debug("filesystem is %scase-sensitive", "" if _FS_CASE_SENSITIVE else "not ")
+    return _FS_CASE_SENSITIVE
+
+
+def fs_supports_symlink() -> bool:
+    global _CAN_SYMLINK  # noqa: PLW0603
+
+    if _CAN_SYMLINK is None:
+        can = False
+        if hasattr(os, "symlink"):
+            # Creating a symlink can fail for a variety of reasons, indicating that the filesystem does not support it.
+            # E.g. on Linux with a VFAT partition mounted.
+            with tempfile.NamedTemporaryFile(prefix="TmP") as tmp_file:
+                temp_dir = os.path.dirname(tmp_file.name)
+                dest = os.path.join(temp_dir, f"{tmp_file.name}-{'b'}")
+                try:
+                    os.symlink(tmp_file.name, dest)
+                    can = True
+                except (OSError, NotImplementedError):
+                    pass  # symlink is not supported
+                finally:
+                    if os.path.lexists(dest):
+                        os.remove(dest)
+            LOGGER.debug("symlink on filesystem does%s work", "" if can else " not")
+        _CAN_SYMLINK = can
+    return _CAN_SYMLINK
+
+
+def fs_path_id(path: str) -> str:
+    return path.casefold() if fs_is_case_sensitive() else path
+
+
+__all__ = (
+    "IS_CPYTHON",
+    "IS_GRAALPY",
+    "IS_MAC_ARM64",
+    "IS_PYPY",
+    "IS_RUSTPYTHON",
+    "IS_WIN",
+    "IS_ZIPAPP",
+    "ROOT",
+    "fs_is_case_sensitive",
+    "fs_path_id",
+    "fs_supports_symlink",
+)