474 lines
16 KiB
Python
474 lines
16 KiB
Python
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""" web server for py.test
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"""
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from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
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import thread, threading
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import re
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import time
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import random
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import Queue
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import os
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import sys
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import socket
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import py
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from py.__.test.dsession.dsession import RSession
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from py.__.test import event
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from py.__.test import collect
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from py.__.test.dsession.webdata import json
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DATADIR = py.path.local(__file__).dirpath("webdata")
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FUNCTION_LIST = ["main", "show_skip", "show_traceback", "show_info", "hide_info",
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"show_host", "hide_host", "hide_messagebox", "opt_scroll"]
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try:
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from pypy.rpython.ootypesystem.bltregistry import MethodDesc, BasicExternal
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from pypy.translator.js.main import rpython2javascript
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from pypy.translator.js import commproxy
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from pypy.translator.js.lib.support import callback
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commproxy.USE_MOCHIKIT = False
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IMPORTED_PYPY = True
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except (ImportError, NameError):
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class BasicExternal(object):
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pass
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def callback(*args, **kwargs):
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def decorator(func):
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return func
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return decorator
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IMPORTED_PYPY = False
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def add_item(event):
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""" A little helper
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"""
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item = event.item
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itemtype = item.__class__.__name__
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itemname = item.name
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fullitemname = "/".join(item.listnames())
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d = {'fullitemname': fullitemname, 'itemtype': itemtype,
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'itemname': itemname}
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#if itemtype == 'Module':
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try:
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d['length'] = str(len(list(event.item._tryiter())))
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except:
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d['length'] = "?"
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return d
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class MultiQueue(object):
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""" a tailor-made queue (internally using Queue) for py.test.dsession.web
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API-wise the main difference is that the get() method gets a sessid
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argument, which is used to determine what data to feed to the client
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when a data queue for a sessid doesn't yet exist, it is created, and
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filled with data that has already been fed to the other clients
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"""
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def __init__(self):
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self._cache = []
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self._session_queues = {}
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self._lock = py.std.thread.allocate_lock()
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def put(self, item):
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self._lock.acquire()
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try:
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self._cache.append(item)
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for key, q in self._session_queues.items():
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q.put(item)
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finally:
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self._lock.release()
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def _del(self, sessid):
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self._lock.acquire()
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try:
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del self._session_queues[sessid]
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finally:
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self._lock.release()
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def get(self, sessid):
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self._lock.acquire()
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try:
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if not sessid in self._session_queues:
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self._create_session_queue(sessid)
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finally:
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self._lock.release()
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return self._session_queues[sessid].get(sessid)
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def empty(self):
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self._lock.acquire()
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try:
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if not self._session_queues:
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return not len(self._cache)
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for q in self._session_queues.values():
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if not q.empty():
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return False
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finally:
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self._lock.release()
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return True
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def empty_queue(self, sessid):
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return self._session_queues[sessid].empty()
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def _create_session_queue(self, sessid):
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self._session_queues[sessid] = q = Queue.Queue()
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for item in self._cache:
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q.put(item)
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class ExportedMethods(BasicExternal):
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_render_xmlhttp = True
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def __init__(self):
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self.pending_events = MultiQueue()
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self.start_event = threading.Event()
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self.end_event = threading.Event()
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self.skip_reasons = {}
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self.fail_reasons = {}
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self.stdout = {}
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self.stderr = {}
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self.all = 0
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self.to_rsync = {}
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def findmodule(self, item):
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# find the most outwards parent which is module
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current = item
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while current:
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if isinstance(current, collect.Module):
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break
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current = current.parent
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if current is not None:
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return str(current.name), str("/".join(current.listnames()))
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else:
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return str(item.parent.name), str("/".join(item.parent.listnames()))
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def show_hosts(self):
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self.start_event.wait()
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to_send = {}
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for host in self.hosts:
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to_send[host.hostid] = host.hostname
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return to_send
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show_hosts = callback(retval={str:str})(show_hosts)
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def show_skip(self, item_name="aa"):
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return {'item_name': item_name,
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'reason': self.skip_reasons[item_name]}
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show_skip = callback(retval={str:str})(show_skip)
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def show_fail(self, item_name="aa"):
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return {'item_name':item_name,
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'traceback':str(self.fail_reasons[item_name]),
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'stdout':self.stdout[item_name],
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'stderr':self.stderr[item_name]}
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show_fail = callback(retval={str:str})(show_fail)
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_sessids = None
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_sesslock = py.std.thread.allocate_lock()
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def show_sessid(self):
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if not self._sessids:
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self._sessids = []
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self._sesslock.acquire()
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try:
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while 1:
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sessid = ''.join(py.std.random.sample(
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py.std.string.lowercase, 8))
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if sessid not in self._sessids:
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self._sessids.append(sessid)
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break
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finally:
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self._sesslock.release()
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return sessid
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show_sessid = callback(retval=str)(show_sessid)
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def failed(self, **kwargs):
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if not 'sessid' in kwargs:
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return
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sessid = kwargs['sessid']
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to_del = -1
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for num, i in enumerate(self._sessids):
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if i == sessid:
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to_del = num
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if to_del != -1:
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del self._sessids[to_del]
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self.pending_events._del(kwargs['sessid'])
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def show_all_statuses(self, sessid='xx'):
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retlist = [self.show_status_change(sessid)]
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while not self.pending_events.empty_queue(sessid):
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retlist.append(self.show_status_change(sessid))
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retval = retlist
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return retval
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show_all_statuses = callback(retval=[{str:str}])(show_all_statuses)
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def show_status_change(self, sessid):
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event = self.pending_events.get(sessid)
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if event is None:
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self.end_event.set()
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return {}
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# some dispatcher here
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if isinstance(event, event.ItemFinish):
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args = {}
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outcome = event.outcome
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for key, val in outcome.__dict__.iteritems():
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args[key] = str(val)
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args.update(add_item(event))
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mod_name, mod_fullname = self.findmodule(event.item)
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args['modulename'] = str(mod_name)
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args['fullmodulename'] = str(mod_fullname)
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fullitemname = args['fullitemname']
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if outcome.skipped:
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self.skip_reasons[fullitemname] = self.repr_failure_tblong(
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event.item,
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outcome.skipped,
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outcome.skipped.traceback)
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elif outcome.excinfo:
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self.fail_reasons[fullitemname] = self.repr_failure_tblong(
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event.item, outcome.excinfo, outcome.excinfo.traceback)
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self.stdout[fullitemname] = outcome.stdout
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self.stderr[fullitemname] = outcome.stderr
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elif outcome.signal:
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self.fail_reasons[fullitemname] = "Received signal %d" % outcome.signal
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self.stdout[fullitemname] = outcome.stdout
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self.stderr[fullitemname] = outcome.stderr
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if event.channel:
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args['hostkey'] = event.channel.gateway.host.hostid
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else:
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args['hostkey'] = ''
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elif isinstance(event, event.ItemStart):
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args = add_item(event)
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elif isinstance(event, event.TestTestrunFinish):
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args = {}
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args['run'] = str(self.all)
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args['fails'] = str(len(self.fail_reasons))
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args['skips'] = str(len(self.skip_reasons))
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elif isinstance(event, event.SendItem):
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args = add_item(event)
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args['hostkey'] = event.channel.gateway.host.hostid
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elif isinstance(event, event.HostRSyncRootReady):
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self.ready_hosts[event.host] = True
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args = {'hostname' : event.host.hostname, 'hostkey' : event.host.hostid}
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elif isinstance(event, event.FailedTryiter):
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args = add_item(event)
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elif isinstance(event, event.DeselectedItem):
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args = add_item(event)
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args['reason'] = str(event.excinfo.value)
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else:
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args = {}
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args['event'] = str(event)
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args['type'] = event.__class__.__name__
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return args
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def repr_failure_tblong(self, item, excinfo, traceback):
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lines = []
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for index, entry in py.builtin.enumerate(traceback):
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lines.append('----------')
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lines.append("%s: %s" % (entry.path, entry.lineno))
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lines += self.repr_source(entry.relline, entry.source)
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lines.append("%s: %s" % (excinfo.typename, excinfo.value))
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return "\n".join(lines)
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def repr_source(self, relline, source):
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lines = []
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for num, line in enumerate(str(source).split("\n")):
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if num == relline:
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lines.append(">>>>" + line)
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else:
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lines.append(" " + line)
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return lines
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def report_ItemFinish(self, event):
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self.all += 1
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self.pending_events.put(event)
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def report_FailedTryiter(self, event):
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fullitemname = "/".join(event.item.listnames())
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self.fail_reasons[fullitemname] = self.repr_failure_tblong(
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event.item, event.excinfo, event.excinfo.traceback)
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self.stdout[fullitemname] = ''
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self.stderr[fullitemname] = ''
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self.pending_events.put(event)
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def report_ItemStart(self, event):
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if isinstance(event.item, py.test.collect.Module):
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self.pending_events.put(event)
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def report_unknown(self, event):
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# XXX: right now, we just pass it for showing
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self.pending_events.put(event)
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def _host_ready(self, event):
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self.pending_events.put(event)
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def report_HostGatewayReady(self, item):
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self.to_rsync[item.host] = len(item.roots)
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def report_HostRSyncRootReady(self, item):
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self.to_rsync[item.host] -= 1
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if not self.to_rsync[item.host]:
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self._host_ready(item)
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def report_TestStarted(self, event):
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# XXX: It overrides our self.hosts
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self.hosts = {}
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self.ready_hosts = {}
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if not event.hosts:
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self.hosts = []
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else:
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for host in event.hosts:
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self.hosts[host] = host
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self.ready_hosts[host] = False
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self.start_event.set()
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self.pending_events.put(event)
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def report_TestTestrunFinish(self, event):
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self.pending_events.put(event)
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kill_server()
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report_InterruptedExecution = report_TestTestrunFinish
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report_CrashedExecution = report_TestTestrunFinish
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def report(self, what):
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repfun = getattr(self, "report_" + what.__class__.__name__,
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self.report_unknown)
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try:
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repfun(what)
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except (KeyboardInterrupt, SystemExit):
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raise
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except:
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print "Internal reporting problem"
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excinfo = py.code.ExceptionInfo()
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for i in excinfo.traceback:
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print str(i)[2:-1]
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print excinfo
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exported_methods = ExportedMethods()
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class TestHandler(BaseHTTPRequestHandler):
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exported_methods = exported_methods
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def do_GET(self):
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path = self.path
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if path.endswith("/"):
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path = path[:-1]
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if path.startswith("/"):
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path = path[1:]
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m = re.match('^(.*)\?(.*)$', path)
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if m:
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path = m.group(1)
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getargs = m.group(2)
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else:
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getargs = ""
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name_path = path.replace(".", "_")
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method_to_call = getattr(self, "run_" + name_path, None)
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if method_to_call is None:
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exec_meth = getattr(self.exported_methods, name_path, None)
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if exec_meth is None:
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self.send_error(404, "File %s not found" % path)
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else:
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try:
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self.serve_data('text/json',
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json.write(exec_meth(**self.parse_args(getargs))))
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except socket.error:
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# client happily disconnected
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exported_methods.failed(**self.parse_args(getargs))
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else:
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method_to_call()
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def parse_args(self, getargs):
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# parse get argument list
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if getargs == "":
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return {}
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unquote = py.std.urllib.unquote
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args = {}
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arg_pairs = getargs.split("&")
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for arg in arg_pairs:
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key, value = arg.split("=")
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args[unquote(key)] = unquote(value)
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return args
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def log_message(self, format, *args):
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# XXX just discard it
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pass
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do_POST = do_GET
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def run_(self):
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self.run_index()
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def run_index(self):
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data = py.path.local(DATADIR).join("index.html").open().read()
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self.serve_data("text/html", data)
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def run_jssource(self):
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js_name = py.path.local(__file__).dirpath("webdata").join("source.js")
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web_name = py.path.local(__file__).dirpath().join("webjs.py")
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if IMPORTED_PYPY and web_name.mtime() > js_name.mtime() or \
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(not js_name.check()):
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from py.__.test.dsession import webjs
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javascript_source = rpython2javascript(webjs,
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FUNCTION_LIST, use_pdb=False)
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open(str(js_name), "w").write(javascript_source)
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self.serve_data("text/javascript", javascript_source)
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else:
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js_source = open(str(js_name), "r").read()
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self.serve_data("text/javascript", js_source)
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def serve_data(self, content_type, data):
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self.send_response(200)
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self.send_header("Content-type", content_type)
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self.send_header("Content-length", len(data))
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self.end_headers()
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self.wfile.write(data)
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class WebReporter(object):
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""" A simple wrapper, this file needs ton of refactoring
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anyway, so this is just to satisfy things below
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(and start to create saner interface as well)
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"""
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def __init__(self, config, hosts):
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start_server_from_config(config)
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def was_failure(self):
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return sum(exported_methods.fail_reasons.values()) > 0
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# rebind
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report = exported_methods.report
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__call__ = report
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def start_server_from_config(config):
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if config.option.runbrowser:
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port = socket.INADDR_ANY
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else:
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port = 8000
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httpd = start_server(server_address = ('', port))
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port = httpd.server_port
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if 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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return exported_methods.report
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def start_server(server_address = ('', 8000), handler=TestHandler, start_new=True):
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httpd = HTTPServer(server_address, handler)
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if start_new:
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thread.start_new_thread(httpd.serve_forever, ())
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print "Server started, listening on port %d" % (httpd.server_port,)
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return httpd
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else:
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print "Server started, listening on port %d" % (httpd.server_port,)
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httpd.serve_forever()
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def kill_server():
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exported_methods.pending_events.put(None)
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while not exported_methods.pending_events.empty():
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time.sleep(.1)
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exported_methods.end_event.wait()
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