313 lines
12 KiB
Python
313 lines
12 KiB
Python
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""" Remote session base class
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"""
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import os
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import py
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import sys
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import re
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import time
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from py.__.test.rsession import report
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from py.__.test.rsession.master import \
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setup_slave, MasterNode, dispatch_loop, itemgen, randomgen
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from py.__.test.rsession.hostmanage import HostInfo, HostOptions, HostManager
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from py.__.test.rsession.local import local_loop, plain_runner, apigen_runner,\
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box_runner
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from py.__.test.rsession.reporter import LocalReporter, RemoteReporter
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class AbstractSession(object):
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"""
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An abstract session executes collectors/items through a runner.
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"""
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def __init__(self, config, optimise_localhost=True):
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self.config = config
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self.optimise_localhost = optimise_localhost
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def getpkgdir(path):
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path = py.path.local(path)
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pkgpath = path.pypkgpath()
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if pkgpath is None:
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pkgpath = path
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return pkgpath
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getpkgdir = staticmethod(getpkgdir)
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def init_reporter(self, reporter, sshhosts, reporter_class, arg=""):
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""" This initialises so called `reporter` class, which will
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handle all event presenting to user. Does not get called
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if main received custom reporter
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"""
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startserverflag = self.config.option.startserver
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restflag = self.config.option.restreport
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if startserverflag and reporter is None:
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from py.__.test.rsession.web import start_server, exported_methods
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if self.config.option.runbrowser:
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from socket import INADDR_ANY
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port = INADDR_ANY # pick a random port when starting browser
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else:
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port = 8000 # stick to a fixed port otherwise
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reporter = exported_methods.report
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httpd = start_server(server_address = ('', port))
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port = httpd.server_port
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if self.config.option.runbrowser:
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import webbrowser, thread
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# webbrowser.open() may block until the browser finishes or not
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url = "http://localhost:%d" % (port,)
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thread.start_new_thread(webbrowser.open, (url,))
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elif reporter is None:
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if restflag:
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from py.__.test.rsession.rest import RestReporter
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reporter_class = RestReporter
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if arg:
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reporter_instance = reporter_class(self.config, sshhosts)
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else:
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reporter_instance = reporter_class(self.config, sshhosts)
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reporter = reporter_instance.report
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else:
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startserverflag = False
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return reporter, startserverflag
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def reporterror(reporter, data):
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excinfo, item = data
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if excinfo is None:
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reporter(report.ItemStart(item))
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elif excinfo.type is py.test.Item.Skipped:
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reporter(report.SkippedTryiter(excinfo, item))
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else:
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reporter(report.FailedTryiter(excinfo, item))
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reporterror = staticmethod(reporterror)
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def kill_server(self, startserverflag):
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""" Kill web server
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"""
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if startserverflag:
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from py.__.test.rsession.web import kill_server
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kill_server()
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def wrap_reporter(self, reporter):
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""" We wrap reporter around, which makes it possible to us to track
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number of failures
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"""
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self.was_failure = False
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def new_reporter(event):
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if isinstance(event, report.ReceivedItemOutcome) and \
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not event.outcome.passed and \
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not event.outcome.skipped:
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self.was_failure = True
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return reporter(event)
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checkfun = lambda : self.config.option.exitfirst and \
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self.was_failure
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# for tests
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self.checkfun = checkfun
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return new_reporter, checkfun
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def parse_directories(sshhosts):
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""" Parse sshadresses of hosts to have distinct hostname/hostdir
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"""
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directories = {}
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for host in sshhosts:
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m = re.match("^(.*?):(.*)$", host.hostname)
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if m:
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host.hostname = m.group(1)
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host.relpath = m.group(2) + "-" + host.hostname
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else:
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host.relpath = "pytestcache-%s" % host.hostname
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class RSession(AbstractSession):
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""" Remote version of session
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"""
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def fixoptions(self):
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config = self.config
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try:
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config.getvalue('disthosts')
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except KeyError:
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print "You're trying to run RSession without disthosts specified"
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print "you need to specify it in your conftest.py (ie. ~/conftest.py)"
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print "for example:"
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print " disthosts = ['localhost'] * 4 # for 3 processors"
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print " - or -"
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print " disthosts = ['you@some.remote.com'] # for remote testing"
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print " # with your remote ssh account"
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print "http://codespeak.net/py/current/doc/test.html#automated-distributed-testing"
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print " for more info..."
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raise SystemExit
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def main(self, reporter=None):
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""" main loop for running tests. """
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args = self.config.args
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sshhosts, remotepython, rsync_roots = self.read_distributed_config()
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reporter, startserverflag = self.init_reporter(reporter,
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sshhosts, RemoteReporter)
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reporter, checkfun = self.wrap_reporter(reporter)
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reporter(report.TestStarted(sshhosts))
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done_dict = {}
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hostopts = HostOptions(rsync_roots=rsync_roots,
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remote_python=remotepython,
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optimise_localhost=self.optimise_localhost)
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hostmanager = HostManager(sshhosts, self.config, hostopts)
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try:
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nodes = hostmanager.init_hosts(reporter, done_dict)
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reporter(report.RsyncFinished())
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try:
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self.dispatch_tests(nodes, reporter, checkfun, done_dict)
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except (KeyboardInterrupt, SystemExit):
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print >>sys.stderr, "C-c pressed waiting for gateways to teardown..."
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channels = [node.channel for node in nodes]
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hostmanager.kill_channels(channels)
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hostmanager.teardown_gateways(reporter, channels)
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print >>sys.stderr, "... Done"
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raise
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channels = [node.channel for node in nodes]
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hostmanager.teardown_hosts(reporter, channels, nodes,
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exitfirst=self.config.option.exitfirst)
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reporter(report.Nodes(nodes))
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retval = reporter(report.TestFinished())
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self.kill_server(startserverflag)
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return retval
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except (KeyboardInterrupt, SystemExit):
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reporter(report.InterruptedExecution())
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self.kill_server(startserverflag)
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raise
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except:
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reporter(report.CrashedExecution())
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self.kill_server(startserverflag)
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raise
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def read_distributed_config(self):
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""" Read from conftest file the configuration of distributed testing
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"""
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try:
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rsync_roots = self.config.getvalue("distrsync_roots")
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except:
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rsync_roots = None # all files and directories in the pkgdir
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sshhosts = [HostInfo(i) for i in
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self.config.getvalue("disthosts")]
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parse_directories(sshhosts)
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remotepython = self.config.getvalue("dist_remotepython")
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return sshhosts, remotepython, rsync_roots
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def dispatch_tests(self, nodes, reporter, checkfun, done_dict):
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colitems = self.config.getcolitems()
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keyword = self.config.option.keyword
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itemgenerator = itemgen(colitems, reporter, keyword, self.reporterror)
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all_tests = dispatch_loop(nodes, itemgenerator, checkfun)
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#if all_tests:
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# todo = {}
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# for key, value in all_tests.items():
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# if key not in done_dict:
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# todo[key] = True
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# rg = randomgen(todo, done_dict)
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# dispatch_loop(nodes, rg, lambda:False, max_tasks_per_node=1)
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class LSession(AbstractSession):
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""" Local version of session
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"""
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def main(self, reporter=None, runner=None):
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# check out if used options makes any sense
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args = self.config.args
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sshhosts = [HostInfo('localhost')] # this is just an info to reporter
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if not self.config.option.nomagic:
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py.magic.invoke(assertion=1)
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reporter, startserverflag = self.init_reporter(reporter,
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sshhosts, LocalReporter, args[0])
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reporter, checkfun = self.wrap_reporter(reporter)
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reporter(report.TestStarted(sshhosts))
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colitems = self.config.getcolitems()
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reporter(report.RsyncFinished())
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if runner is None:
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runner = self.init_runner()
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keyword = self.config.option.keyword
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itemgenerator = itemgen(colitems, reporter, keyword, self.reporterror)
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local_loop(self, reporter, itemgenerator, checkfun, self.config, runner=runner)
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retval = reporter(report.TestFinished())
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self.kill_server(startserverflag)
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if not self.config.option.nomagic:
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py.magic.revoke(assertion=1)
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self.write_docs()
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return retval
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def write_docs(self):
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if self.config.option.apigen:
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from py.__.apigen.tracer.docstorage import DocStorageAccessor
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apigen = py.path.local(self.config.option.apigen).pyimport()
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if not hasattr(apigen, 'build'):
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raise NotImplementedError("Provided script does not seem "
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"to contain build function")
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print >>sys.stderr, 'building documentation'
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capture = py.io.OutErrCapture()
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try:
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try:
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pkgdir = self.getpkgdir(self.config.args[0])
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apigen.build(pkgdir,
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DocStorageAccessor(self.docstorage))
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except AttributeError:
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import traceback
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exc, e, tb = sys.exc_info()
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print '%s - %s' % (exc, e)
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print ''.join(traceback.format_tb(tb))
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del tb
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print '-' * 79
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raise NotImplementedError("Provided script does not seem "
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"to contain build function")
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finally:
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capture.reset()
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def init_runner(self):
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if self.config.option.apigen:
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from py.__.apigen.tracer.tracer import Tracer, DocStorage
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module = py
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try:
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pkgdir = self.getpkgdir(self.config.args[0])
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apigen = py.path.local(self.config.option.apigen).pyimport()
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items = apigen.get_documentable_items(pkgdir)
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if isinstance(items, dict):
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self.docstorage = DocStorage().from_dict(items)
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else:
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self.docstorage = DocStorage().from_pkg(items)
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except ImportError:
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import traceback
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exc, e, tb = sys.exc_info()
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print '%s - %s' % (exc, e)
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print ''.join(traceback.format_tb(tb))
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del tb
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print '-' * 79
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raise ImportError("Provided script cannot be imported")
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except (ValueError, AttributeError):
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import traceback
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exc, e, tb = sys.exc_info()
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print '%s - %s' % (exc, e)
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print ''.join(traceback.format_tb(tb))
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del tb
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print '-' * 79
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raise NotImplementedError("Provided script does not seem "
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"to contain get_documentable_items")
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self.tracer = Tracer(self.docstorage)
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return apigen_runner
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else:
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if (self.config.getvalue('dist_boxing') or self.config.option.boxing)\
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and not self.config.option.nocapture:
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return box_runner
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return plain_runner
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