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pycollect.py
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pycollect.py
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#!/usr/bin/python
#-*-coding:utf-8-*-
# Main App.
#
# $Author$
# $Id$
#
# Package: ui files, simplejson
#
# GNU Free Documentation License 1.3
import os, sys, time
import hashlib
import simplejson
from iniFile import IniFile
from common import Func
from models import Robot, Task, Session, metadata, sys_engine
from PyQt4 import QtCore, QtGui
from ui_main import Ui_MainWindow
# task flag
Task_Flag_Waiting = 0
Task_Flag_Runing = 1
Task_Flag_Stoped = 2
Task_Flag_Failed = 3
class MainUI(QtGui.QMainWindow):
def __init__(self, parent=None):
super(MainUI, self).__init__(parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.yesstr = u'√'
self.nostr = u'-'
self.task_list = False
self.task_list_menu = False
self.task_robot = False
self.task_robot_menu = False
self.task_state_wait = 'icons/task_state_waiting.png'
self.task_state_run = 'icons/task_state_runing.png'
self.task_state_stop = 'icons/task_state_stoped.png'
self.task_state_failed = 'icons/task_state_failed.png'
self.task_icon = QtGui.QIcon('icons/task.png')
self.task_add_icon = QtGui.QIcon('icons/task_add.png')
self.robot_icon = QtGui.QIcon('icons/robot.png')
self.robot_add_icon = QtGui.QIcon('icons/robot_add.png')
self.common_list_icon = QtGui.QIcon('icons/common_list.png')
self.common_edit_icon = QtGui.QIcon('icons/common_edit.png')
self.common_del_icon = QtGui.QIcon('icons/common_delete.png')
self.id_col = self.task_state_col = self.task_nextruntime_col = 0
# mainlist menu
self.setMainListMenu()
# task list: {taskid: {item: QTreeWidgetItem, taskinfo: taskinfo list}}
self.taskList = {}
# task thread list: {taskid: threadObject}
self.threadList = {}
# crawl thread list: {taskid: crawlObject}
self.crawlList = {}
# menu signal
self.ui.taskadd.triggered.connect(self.TaskDialog_add)
self.ui.taskadd.setIcon(self.task_add_icon)
self.ui.m_tasklist.triggered.connect(self.getTaskList)
self.ui.m_tasklist.setIcon(self.common_list_icon)
self.ui.robotadd.triggered.connect(self.RobotDialog_add)
self.ui.robotadd.setIcon(self.robot_add_icon)
self.ui.m_robotlist.triggered.connect(self.getRobotList)
self.ui.m_robotlist.setIcon(self.common_list_icon)
self.ui.mquit.triggered.connect(QtGui.qApp.quit)
def TaskDialog_add(self):
from ui import TaskUI
Dialog = TaskUI(u'添加任务', self)
if Dialog.exec_() == QtGui.QDialog.Accepted:
self.getTaskList()
def TaskDialog_edit(self):
item, taskid = self.getCurrentItem()
if taskid>0:
from ui import TaskUI
Dialog = TaskUI(u'修改任务', self, taskid)
if Dialog.exec_() == QtGui.QDialog.Accepted:
self.stopThread(taskid)
self.getTaskList()
else:
self.getTaskList()
def TaskDialog_delete(self):
item, taskid = self.getCurrentItem()
self.stopThread(taskid)
session = Session()
task = session.query(Task).filter(Task.taskid==taskid).first()
session.delete(task)
session.commit()
self.getTaskList()
def RobotDialog_add(self):
from ui import RobotUI
Dialog = RobotUI(u'添加采集器', self)
if Dialog.exec_() == QtGui.QDialog.Accepted:
self.getRobotList()
def RobotDialog_edit(self):
item, robotid = self.getCurrentItem()
if robotid>0:
from ui import RobotUI
Dialog = RobotUI(u'修改采集器', self, robotid)
if Dialog.exec_() == QtGui.QDialog.Accepted:
self.getRobotList()
else:
self.getRobotList()
def RobotDialog_delete(self):
item, robotid = self.getCurrentItem()
if robotid>0:
session = Session()
robot = session.query(Robot).filter(Robot.robotid==robotid).first()
session.delete(robot)
session.commit()
self.getRobotList()
def setMainListMenu(self):
# task
self.taskMenu = QtGui.QMenu()
self.taskAdd = QtGui.QAction(self.task_add_icon, u"添加", self, triggered=self.TaskDialog_add, shortcut="Ctrl+N")
self.taskEdit = QtGui.QAction(self.common_edit_icon, u"修改", self, triggered=self.TaskDialog_edit)
self.taskDelete = QtGui.QAction(self.common_del_icon, u"删除", self, triggered=self.TaskDialog_delete)
self.separator = QtGui.QAction(self)
self.separator.setSeparator(True)
self.taskStart = QtGui.QAction(u"立即执行", self, triggered=self.manualStart)
self.taskStop = QtGui.QAction(u"立即结束", self, triggered=self.manualStop)
self.taskMenu.addAction(self.taskAdd)
self.taskMenu.addAction(self.taskEdit)
self.taskMenu.addAction(self.taskDelete)
self.taskMenu.addAction(self.separator)
self.taskMenu.addAction(self.taskStart)
self.taskMenu.addAction(self.taskStop)
# robot
self.robotMenu = QtGui.QMenu()
self.robotAdd = QtGui.QAction(self.robot_add_icon, u"添加", self, triggered=self.RobotDialog_add, shortcut="Ctrl+N")
self.robotEdit = QtGui.QAction(self.common_edit_icon, u"修改", self, triggered=self.RobotDialog_edit)
self.robotDelete = QtGui.QAction(self.common_del_icon, u"删除", self, triggered=self.RobotDialog_delete)
self.robotMenu.addAction(self.robotAdd)
self.robotMenu.addAction(self.robotEdit)
self.robotMenu.addAction(self.robotDelete)
self.ui.mainlist.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.ui.mainlist.customContextMenuRequested.connect(self.updateMainListMenu)
def setHeaderMainList(self, header):
self.ui.mainlist.header().setDefaultAlignment(QtCore.Qt.AlignHCenter)
self.ui.mainlist.setColumnCount(len(header))
self.ui.mainlist.setHeaderLabels(header)
self.ui.mainlist.resizeColumnToContents(0)
self.ui.mainlist.clear()
def getTaskList(self):
self.updateMainListFlag(True, False)
itemList = []
self.setHeaderMainList([u'任务名称', u'采集器', u'循环', u'执行时间', u'下次执行时间', u'状态'])
self.task_state_col = self.ui.mainlist.columnCount()-1
self.task_nextruntime_col = self.task_state_col-1
self.ui.mainlist.setColumnWidth(0, 120)
self.ui.mainlist.setColumnWidth(1, 120)
self.ui.mainlist.setColumnWidth(2, 50)
self.ui.mainlist.setColumnWidth(3, 140)
self.ui.mainlist.setColumnWidth(4, 140)
session = Session()
taskList = session.query(Task).outerjoin(Robot, Task.robotid==Robot.robotid).all()
for i in taskList:
taskid = i.taskid
isloop = (i.loop==1 and [self.yesstr] or [self.nostr])[0]
runtime = Func.fromTimestamp(i.runtime)
nextruntime = (i.nextruntime and [Func.fromTimestamp(i.nextruntime)] or ['-'])[0]
robotname = (hasattr(i, 'robotinfo') and [i.robotinfo.robotname] or ['-'])[0]
taskItem = QtGui.QTreeWidgetItem([i.taskname, robotname, isloop, runtime, nextruntime])
taskItem.setIcon(self.task_state_col, QtGui.QIcon(self.task_state_wait))
taskItem.setIcon(self.id_col, self.task_icon)
taskItem.setData(self.id_col, QtCore.Qt.UserRole, QtCore.QVariant(taskid))
taskItem.setData(self.task_state_col, QtCore.Qt.UserRole, QtCore.QVariant(Task_Flag_Waiting))
taskItem.setTextAlignment(1, QtCore.Qt.AlignHCenter)
taskItem.setTextAlignment(2, QtCore.Qt.AlignHCenter)
taskItem.setTextAlignment(3, QtCore.Qt.AlignHCenter)
taskItem.setTextAlignment(4, QtCore.Qt.AlignHCenter)
self.ui.mainlist.addTopLevelItem(taskItem)
# start task thread
self.taskList[taskid] = {'item': taskItem, 'taskinfo': i}
self.runThread(taskid)
def getCurrentItem(self):
item = self.ui.mainlist.currentItem()
return item, Func._variantConv(item.data(self.id_col, QtCore.Qt.UserRole), 'int')
def manualStart(self):
'''executed task Immediately'''
item, taskid = self.getCurrentItem()
self.updateTaskState(Task_Flag_Runing, taskid)
if not self.threadList.has_key(taskid):
self.runThread(taskid)
def manualStop(self):
'''stopped task Immediately'''
item, taskid = self.getCurrentItem()
self.stopCrawl(taskid, Task_Flag_Failed)
def getRobotList(self):
self.updateMainListFlag(False, True)
self.setHeaderMainList([u'采集器名称', u'匹配模式', u'超时', u'线程', u'倒序模式', u'列表模式', u'下载模式'])
self.ui.mainlist.setColumnWidth(0, 150)
self.ui.mainlist.setColumnWidth(1, 80)
self.ui.mainlist.setColumnWidth(2, 60)
self.ui.mainlist.setColumnWidth(3, 60)
self.ui.mainlist.setColumnWidth(4, 80)
self.ui.mainlist.setColumnWidth(5, 80)
self.ui.mainlist.setColumnWidth(6, 80)
session = Session()
robotList = session.query(Robot).all()
for i in robotList:
timeout = str(i.timeout)
threads = str(i.threads)
reversemode = (i.reversemode and [self.yesstr] or [self.nostr])[0]
linkmode = (i.linkmode and [self.yesstr] or [self.nostr])[0]
downloadmode = (i.downloadmode and [self.yesstr] or [self.nostr])[0]
robotItem = QtGui.QTreeWidgetItem([i.robotname, i.rulemode, timeout, threads, reversemode, linkmode, downloadmode])
robotItem.setIcon(self.id_col, self.robot_icon)
robotItem.setData(self.id_col, QtCore.Qt.UserRole, QtCore.QVariant(i.robotid))
robotItem.setTextAlignment(1, QtCore.Qt.AlignHCenter)
robotItem.setTextAlignment(2, QtCore.Qt.AlignHCenter)
robotItem.setTextAlignment(3, QtCore.Qt.AlignHCenter)
robotItem.setTextAlignment(4, QtCore.Qt.AlignHCenter)
robotItem.setTextAlignment(5, QtCore.Qt.AlignHCenter)
robotItem.setTextAlignment(6, QtCore.Qt.AlignHCenter)
self.ui.mainlist.addTopLevelItem(robotItem)
def updateMainListFlag(self, task=True, robot=False):
self.task_list = task
self.task_robot = robot
def updateMainListMenu(self, point):
'''show ContextMenu'''
index = self.ui.mainlist.indexAt(point)
if not index.isValid():
self.ui.mainlist.clearSelection()
self.taskEdit.setDisabled(True)
self.taskDelete.setDisabled(True)
self.taskStart.setDisabled(True)
self.taskStop.setDisabled(True)
self.robotEdit.setDisabled(True)
self.robotDelete.setDisabled(True)
else:
item = self.ui.mainlist.itemAt(point)
state = Func._variantConv(item.data(self.task_state_col, QtCore.Qt.UserRole), 'int')
if state==Task_Flag_Waiting:
self.taskEdit.setDisabled(False)
self.taskDelete.setDisabled(False)
self.taskStart.setDisabled(False)
self.taskStop.setDisabled(True)
elif state==Task_Flag_Runing:
self.taskStart.setDisabled(True)
self.taskStop.setDisabled(False)
else:
self.taskEdit.setDisabled(False)
self.taskDelete.setDisabled(False)
self.taskStart.setDisabled(False)
self.robotEdit.setDisabled(False)
self.robotDelete.setDisabled(False)
if self.task_list:
self.taskMenu.exec_(QtGui.QCursor.pos())
elif self.task_robot:
self.robotMenu.exec_(QtGui.QCursor.pos())
def updateTaskState(self, state, taskid):
'''change task state'''
if not self.task_list:
return
taskList = self.taskList[taskid]
isloop = taskList['taskinfo'].loop
taskItem = taskList['item']
curState = Func._variantConv(taskItem.data(self.task_state_col, QtCore.Qt.UserRole), 'int')
if curState==state:
return
stateIcon = {Task_Flag_Waiting: self.task_state_wait, Task_Flag_Runing: self.task_state_run, Task_Flag_Stoped: self.task_state_stop, Task_Flag_Failed: self.task_state_failed}
taskItem.setIcon(self.task_state_col, QtGui.QIcon(stateIcon[state]))
taskItem.setData(self.task_state_col, QtCore.Qt.UserRole, QtCore.QVariant(state))
if state==Task_Flag_Stoped and isloop==0:
self.stopThread(taskid)
elif state==Task_Flag_Runing:
self.runCrawl(taskid)
def updateNextRunTime(self, timestamp, taskid):
'''change nextruntime item'''
if not self.task_list:
return
session = Session()
task = session.query(Task).filter(Task.taskid==taskid).first()
task.nextruntime = timestamp
session.commit()
self.taskList[taskid]['item'].setText(self.task_nextruntime_col, Func.fromTimestamp(timestamp))
def runThread(self, taskid):
'''create threads if it's not exist'''
if self.threadList.has_key(taskid):
return
from run_task import RunTask
t = RunTask(taskid, self)
self.threadList[taskid] = t
self.connect(t, QtCore.SIGNAL("Updated"), self.updateNextRunTime)
self.connect(t, QtCore.SIGNAL("Activated"), self.updateTaskState)
t.start()
def stopThread(self, taskid):
'''stop threads by taskid/all'''
if not len(self.threadList)>0 or (not self.threadList.has_key(taskid) and taskid!=-1):
return
if taskid == -1:
for t in self.threadList: t.stop()
self.threadList.clear()
else:
t = self.threadList[taskid]
t.stop()
self.taskList[taskid]['item'].setIcon(self.task_state_col, QtGui.QIcon(self.task_state_stop))
del self.threadList[taskid]
def runCrawl(self, taskid):
'''run scrapy crawl'''
if self.crawlList.has_key(taskid):
return
from run_crawl import DummySpider, RunCrawl
task = self.taskList[taskid]['taskinfo']
spider = DummySpider(task, self)
t = RunCrawl(taskid, spider, self)
self.crawlList[taskid] = t
self.connect(t, QtCore.SIGNAL("Updated"), self.stopCrawl)
t.start()
def stopCrawl(self, taskid, state):
if not len(self.crawlList)>0 or (not self.crawlList.has_key(taskid) and taskid!=-1):
return
if taskid == -1:
self.crawlList.clear()
else:
self.crawlList[taskid].stop()
del self.crawlList[taskid]
self.updateTaskState(state, taskid)
if __name__ == "__main__":
# init database
metadata.create_all(sys_engine)
app = QtGui.QApplication(sys.argv)
Mainapp = MainUI()
Mainapp.show()
Mainapp.getTaskList()
sys.exit(app.exec_())