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Merge pull request #5091 from blueyed/showhelp-ini-options 

Improve output of ini options in --help
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Bruno Oliveira 2019-05-23 21:10:43 -03:00 committed by GitHub
parent ec6d0fa4d7 b2ce6f3200
commit b4d75ad31d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 29 additions and 4 deletions
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1
changelog/5091.feature.rst Normal file
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@ -0,0 +1 @@
The output for ini options in ``--help`` has been improved.

32
src/_pytest/helpconfig.py
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@ -141,24 +141,48 @@ def pytest_cmdline_main(config):
def showhelp(config):
import textwrap
reporter = config.pluginmanager.get_plugin("terminalreporter")
tw = reporter._tw
tw.write(config._parser.optparser.format_help())
tw.line()
tw.line()
tw.line(
"[pytest] ini-options in the first pytest.ini|tox.ini|setup.cfg file found:"
)
tw.line()
columns = tw.fullwidth # costly call
indent_len = 24 # based on argparse's max_help_position=24
indent = " " * indent_len
for name in config._parser._ininames:
help, type, default = config._parser._inidict[name]
if type is None:
type = "string"
spec = "%s (%s)" % (name, type)
line = " %-24s %s" % (spec, help)
tw.line(line[:columns])
spec = "%s (%s):" % (name, type)
tw.write(" %s" % spec)
spec_len = len(spec)
if spec_len > (indent_len - 3):
# Display help starting at a new line.
tw.line()
helplines = textwrap.wrap(
help,
columns,
initial_indent=indent,
subsequent_indent=indent,
break_on_hyphens=False,
)
for line in helplines:
tw.line(line)
else:
# Display help starting after the spec, following lines indented.
tw.write(" " * (indent_len - spec_len - 2))
wrapped = textwrap.wrap(help, columns - indent_len, break_on_hyphens=False)
tw.line(wrapped[0])
for line in wrapped[1:]:
tw.line(indent + line)
tw.line()
tw.line("environment variables:")