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from __future__ import absolute_import 

from __future__ import division 

from __future__ import print_function 

 

import sys 

 

import pytest 

 

 

def pytest_addoption(parser): 

group = parser.getgroup("debugconfig") 

group.addoption( 

"--setuponly", 

"--setup-only", 

action="store_true", 

help="only setup fixtures, do not execute tests.", 

) 

group.addoption( 

"--setupshow", 

"--setup-show", 

action="store_true", 

help="show setup of fixtures while executing tests.", 

) 

 

 

@pytest.hookimpl(hookwrapper=True) 

def pytest_fixture_setup(fixturedef, request): 

yield 

config = request.config 

if config.option.setupshow: 

if hasattr(request, "param"): 

# Save the fixture parameter so ._show_fixture_action() can 

# display it now and during the teardown (in .finish()). 

if fixturedef.ids: 

if callable(fixturedef.ids): 

fixturedef.cached_param = fixturedef.ids(request.param) 

else: 

fixturedef.cached_param = fixturedef.ids[request.param_index] 

else: 

fixturedef.cached_param = request.param 

_show_fixture_action(fixturedef, "SETUP") 

 

 

def pytest_fixture_post_finalizer(fixturedef): 

if hasattr(fixturedef, "cached_result"): 

config = fixturedef._fixturemanager.config 

if config.option.setupshow: 

_show_fixture_action(fixturedef, "TEARDOWN") 

if hasattr(fixturedef, "cached_param"): 

del fixturedef.cached_param 

 

 

def _show_fixture_action(fixturedef, msg): 

config = fixturedef._fixturemanager.config 

capman = config.pluginmanager.getplugin("capturemanager") 

if capman: 

capman.suspend_global_capture() 

out, err = capman.read_global_capture() 

 

tw = config.get_terminal_writer() 

tw.line() 

tw.write(" " * 2 * fixturedef.scopenum) 

tw.write( 

"{step} {scope} {fixture}".format( 

step=msg.ljust(8), # align the output to TEARDOWN 

scope=fixturedef.scope[0].upper(), 

fixture=fixturedef.argname, 

) 

) 

 

if msg == "SETUP": 

deps = sorted(arg for arg in fixturedef.argnames if arg != "request") 

if deps: 

tw.write(" (fixtures used: {})".format(", ".join(deps))) 

 

if hasattr(fixturedef, "cached_param"): 

tw.write("[{}]".format(fixturedef.cached_param)) 

 

if capman: 

capman.resume_global_capture() 

sys.stdout.write(out) 

sys.stderr.write(err) 

 

 

@pytest.hookimpl(tryfirst=True) 

def pytest_cmdline_main(config): 

if config.option.setuponly: 

config.option.setupshow = True