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Lib/site-packages/pipenv/vendor/pythonfinder/environment.py

@@ -0,0 +1,54 @@
+# -*- coding=utf-8 -*-
+from __future__ import absolute_import, print_function
+
+import os
+import platform
+import sys
+
+
+def is_type_checking():
+    try:
+        from typing import TYPE_CHECKING
+    except ImportError:
+        return False
+    return TYPE_CHECKING
+
+
+PYENV_INSTALLED = bool(os.environ.get("PYENV_SHELL")) or bool(
+    os.environ.get("PYENV_ROOT")
+)
+ASDF_INSTALLED = bool(os.environ.get("ASDF_DIR"))
+PYENV_ROOT = os.path.expanduser(
+    os.path.expandvars(os.environ.get("PYENV_ROOT", "~/.pyenv"))
+)
+ASDF_DATA_DIR = os.path.expanduser(
+    os.path.expandvars(os.environ.get("ASDF_DATA_DIR", "~/.asdf"))
+)
+IS_64BIT_OS = None
+SYSTEM_ARCH = platform.architecture()[0]
+
+if sys.maxsize > 2 ** 32:
+    IS_64BIT_OS = platform.machine() == "AMD64"
+else:
+    IS_64BIT_OS = False
+
+
+IGNORE_UNSUPPORTED = bool(os.environ.get("PYTHONFINDER_IGNORE_UNSUPPORTED", False))
+MYPY_RUNNING = os.environ.get("MYPY_RUNNING", is_type_checking())
+SUBPROCESS_TIMEOUT = os.environ.get("PYTHONFINDER_SUBPROCESS_TIMEOUT", 5)
+"""The default subprocess timeout for determining python versions
+
+Set to **5** by default.
+"""
+
+
+def get_shim_paths():
+    shim_paths = []
+    if ASDF_INSTALLED:
+        shim_paths.append(os.path.join(ASDF_DATA_DIR, "shims"))
+    if PYENV_INSTALLED:
+        shim_paths.append(os.path.join(PYENV_ROOT, "shims"))
+    return [os.path.normpath(os.path.normcase(p)) for p in shim_paths]
+
+
+SHIM_PATHS = get_shim_paths()