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sagemathinc
GitHub Repository: sagemathinc/wapython
 Path: blob/main/python/cpython/src/patches/02-pydoc.patch
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--- native/Lib/pydoc.py	2022-10-24 10:35:39.000000000 -0700

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+++ wasm/Lib/pydoc.py	2022-11-07 07:18:02.261615004 -0800

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@@ -1565,6 +1565,8 @@

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         return plainpager

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     if sys.platform == "emscripten":

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         return plainpager

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+    if sys.platform == "wasi":

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+        return ttypager

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     use_pager = os.environ.get('MANPAGER') or os.environ.get('PAGER')

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     if use_pager:

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         if sys.platform == 'win32': # pipes completely broken in Windows

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@@ -1639,13 +1641,15 @@

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 def ttypager(text):

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     """Page through text on a text terminal."""

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     lines = plain(_escape_stdout(text)).split('\n')

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+    import termios

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     try:

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         import tty

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         fd = sys.stdin.fileno()

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         old = tty.tcgetattr(fd)

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         tty.setcbreak(fd)

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         getchar = lambda: sys.stdin.read(1)

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-    except (ImportError, AttributeError, io.UnsupportedOperation):

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+    # In some cases we get a "termios.error: not a tty" error in CoWasm, e.g,. when running pydoc test suite.

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+    except (termios.error, ImportError, AttributeError, io.UnsupportedOperation):

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         tty = None

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         getchar = lambda: sys.stdin.readline()[:-1][:1]

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