blob: 1df0c56ac7b862ac162838b034bd4c30334d3a38 [file] [log] [blame]
""" version info, help messages, tracing configuration. """
import py
import pytest
import os, sys
def pytest_addoption(parser):
group = parser.getgroup('debugconfig')
group.addoption('--version', action="store_true",
help="display pytest lib version and import information.")
group._addoption("-h", "--help", action="store_true", dest="help",
help="show help message and configuration info")
group._addoption('-p', action="append", dest="plugins", default = [],
metavar="name",
help="early-load given plugin (multi-allowed). "
"To avoid loading of plugins, use the `no:` prefix, e.g. "
"`no:doctest`.")
group.addoption('--traceconfig', '--trace-config',
action="store_true", default=False,
help="trace considerations of conftest.py files."),
group.addoption('--debug',
action="store_true", dest="debug", default=False,
help="store internal tracing debug information in 'pytestdebug.log'.")
@pytest.hookimpl(hookwrapper=True)
def pytest_cmdline_parse():
outcome = yield
config = outcome.get_result()
if config.option.debug:
path = os.path.abspath("pytestdebug.log")
debugfile = open(path, 'w')
debugfile.write("versions pytest-%s, py-%s, "
"python-%s\ncwd=%s\nargs=%s\n\n" %(
pytest.__version__, py.__version__,
".".join(map(str, sys.version_info)),
os.getcwd(), config._origargs))
config.trace.root.setwriter(debugfile.write)
undo_tracing = config.pluginmanager.enable_tracing()
sys.stderr.write("writing pytestdebug information to %s\n" % path)
def unset_tracing():
debugfile.close()
sys.stderr.write("wrote pytestdebug information to %s\n" %
debugfile.name)
config.trace.root.setwriter(None)
undo_tracing()
config.add_cleanup(unset_tracing)
def pytest_cmdline_main(config):
if config.option.version:
p = py.path.local(pytest.__file__)
sys.stderr.write("This is pytest version %s, imported from %s\n" %
(pytest.__version__, p))
plugininfo = getpluginversioninfo(config)
if plugininfo:
for line in plugininfo:
sys.stderr.write(line + "\n")
return 0
elif config.option.help:
config._do_configure()
showhelp(config)
config._ensure_unconfigure()
return 0
def showhelp(config):
reporter = config.pluginmanager.get_plugin('terminalreporter')
tw = reporter._tw
tw.write(config._parser.optparser.format_help())
tw.line()
tw.line()
#tw.sep( "=", "config file settings")
tw.line("[pytest] ini-options in the next "
"pytest.ini|tox.ini|setup.cfg file:")
tw.line()
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[:tw.fullwidth])
tw.line()
tw.line("environment variables:")
vars = [
("PYTEST_ADDOPTS", "extra command line options"),
("PYTEST_PLUGINS", "comma-separated plugins to load during startup"),
("PYTEST_DEBUG", "set to enable debug tracing of pytest's internals")
]
for name, help in vars:
tw.line(" %-24s %s" % (name, help))
tw.line()
tw.line()
tw.line("to see available markers type: py.test --markers")
tw.line("to see available fixtures type: py.test --fixtures")
tw.line("(shown according to specified file_or_dir or current dir "
"if not specified)")
for warningreport in reporter.stats.get('warnings', []):
tw.line("warning : " + warningreport.message, red=True)
return
conftest_options = [
('pytest_plugins', 'list of plugin names to load'),
]
def getpluginversioninfo(config):
lines = []
plugininfo = config.pluginmanager.list_plugin_distinfo()
if plugininfo:
lines.append("setuptools registered plugins:")
for plugin, dist in plugininfo:
loc = getattr(plugin, '__file__', repr(plugin))
content = "%s-%s at %s" % (dist.project_name, dist.version, loc)
lines.append(" " + content)
return lines
def pytest_report_header(config):
lines = []
if config.option.debug or config.option.traceconfig:
lines.append("using: pytest-%s pylib-%s" %
(pytest.__version__,py.__version__))
verinfo = getpluginversioninfo(config)
if verinfo:
lines.extend(verinfo)
if config.option.traceconfig:
lines.append("active plugins:")
items = config.pluginmanager.list_name_plugin()
for name, plugin in items:
if hasattr(plugin, '__file__'):
r = plugin.__file__
else:
r = repr(plugin)
lines.append(" %-20s: %s" %(name, r))
return lines