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| author | Serhiy Storchaka <storchaka@gmail.com> | 2014-11-27 22:09:05 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2014-11-27 22:09:05 (GMT) |
| commit | 46e92503dab0311b4d000747b8a6f2d2a68e39ad (patch) | |
| tree | 70daa3fc36dbb1a57a7e1bb085c5fa522804f5fa /Lib/pydoc.py | |
| parent | 86ef95d3fbd121fec1168b87ddfe027273b38cea (diff) | |
| download | cpython-46e92503dab0311b4d000747b8a6f2d2a68e39ad.zip cpython-46e92503dab0311b4d000747b8a6f2d2a68e39ad.tar.gz cpython-46e92503dab0311b4d000747b8a6f2d2a68e39ad.tar.bz2 | |
Issue #22314: pydoc now works when the LINES environment variable is set.
Diffstat (limited to 'Lib/pydoc.py')
| -rwxr-xr-x | Lib/pydoc.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Lib/pydoc.py b/Lib/pydoc.py index 594e6c7..0647d1e 100755 --- a/Lib/pydoc.py +++ b/Lib/pydoc.py @@ -1446,7 +1446,13 @@ def ttypager(text): getchar = lambda: sys.stdin.readline()[:-1][:1] try: - r = inc = os.environ.get('LINES', 25) - 1 + try: + h = int(os.environ.get('LINES', 0)) + except ValueError: + h = 0 + if h <= 1: + h = 25 + r = inc = h - 1 sys.stdout.write(join(lines[:inc], '\n') + '\n') while lines[r:]: sys.stdout.write('-- more --') |