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| author | Jonathan Slenders <jonathan@slenders.be> | 2016-07-15 22:44:37 +0200 |
|---|---|---|
| committer | Jonathan Slenders <jonathan@slenders.be> | 2016-07-15 22:45:17 +0200 |
| commit | edf8680191534468a800b51b9d3f81fcda1771ec (patch) | |
| tree | 3c1630c4acf58900156f1753637cb6e25fade4c1 | |
| parent | 8d3d93336674a0f938e37abd3b92c7ca5e21711f (diff) | |
Assert stdout.isatty() in Vt100_Output.from_pty. If not, the error that we got is too hard to throubleshoot.
| -rw-r--r-- | prompt_toolkit/terminal/vt100_output.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/prompt_toolkit/terminal/vt100_output.py b/prompt_toolkit/terminal/vt100_output.py index 3b574f44..8b7833a7 100644 --- a/prompt_toolkit/terminal/vt100_output.py +++ b/prompt_toolkit/terminal/vt100_output.py @@ -355,6 +355,7 @@ class Vt100_Output(Output): (This will take the dimensions by reading the pseudo terminal attributes.) """ + assert stdout.isatty() def get_size(): rows, columns = _get_size(stdout.fileno()) return Size(rows=rows, columns=columns) |