Uploaded Test files

venv/Lib/site-packages/prompt_toolkit/input/defaults.py

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+import sys
+from typing import Optional, TextIO
+
+from prompt_toolkit.utils import is_windows
+
+from .base import Input, PipeInput
+
+__all__ = [
+    "create_input",
+    "create_pipe_input",
+]
+
+
+def create_input(
+    stdin: Optional[TextIO] = None, always_prefer_tty: bool = False
+) -> Input:
+    """
+    Create the appropriate `Input` object for the current os/environment.
+
+    :param always_prefer_tty: When set, if `sys.stdin` is connected to a Unix
+        `pipe`, check whether `sys.stdout` or `sys.stderr` are connected to a
+        pseudo terminal. If so, open the tty for reading instead of reading for
+        `sys.stdin`. (We can open `stdout` or `stderr` for reading, this is how
+        a `$PAGER` works.)
+    """
+    if is_windows():
+        from .win32 import Win32Input
+
+        return Win32Input(stdin or sys.stdin)
+    else:
+        from .vt100 import Vt100Input
+
+        # If no input TextIO is given, use stdin/stdout.
+        if stdin is None:
+            stdin = sys.stdin
+
+            if always_prefer_tty:
+                for io in [sys.stdin, sys.stdout, sys.stderr]:
+                    if io.isatty():
+                        stdin = io
+                        break
+
+        return Vt100Input(stdin)
+
+
+def create_pipe_input() -> PipeInput:
+    """
+    Create an input pipe.
+    This is mostly useful for unit testing.
+    """
+    if is_windows():
+        from .win32_pipe import Win32PipeInput
+
+        return Win32PipeInput()
+    else:
+        from .posix_pipe import PosixPipeInput
+
+        return PosixPipeInput()