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# Copyright (C) University of Tennessee Health Science Center, Memphis, TN.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License
# as published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# This program is available from Source Forge: at GeneNetwork Project
# (sourceforge.net/projects/genenetwork/).
#
# Contact Drs. Robert W. Williams and Xiaodong Zhou (2010)
# at rwilliams@uthsc.edu and xzhou15@uthsc.edu
#
#
#
# This module is used by GeneNetwork project (www.genenetwork.org)
#
# Created by GeneNetwork Core Team 2010/08/10
#
# Last updated by GeneNetwork Core Team 2010/10/20
#templatePage.py
#
#--Genenetwork generates a lot of pages; this file is the generic version of them, defining routines they all use.
#
#Classes:
#templatePage
#
#Functions (of templatePage):
#__init__(...) -- class constructor, allows a more specific template to be used in addition to templatePage
#__str__(self) -- returns the object's elements as a tuple
#__del__(self) -- closes the current connection to MySQL, if there is one
#write -- explained below
#writefile -- explained below
#openMysql(self) -- opens a MySQL connection and stores the resulting cursor in the object's cursor variable
#updMysql(self) -- same as openMysql
#error -- explained below
#session -- explained below
import socket
import time
import shutil
import MySQLdb
import os
from htmlgen import HTMLgen2 as HT
import template
import webqtlConfig
import header
import footer
from utility import webqtlUtil
class templatePage:
contents = ['title','basehref','js1','js2', 'layer', 'header', 'body', 'footer']
# you can pass in another template here if you want
def __init__(self, fd=None, template=template.template):
# initiate dictionary
self.starttime = time.time()
self.dict = {}
self.template = template
for item in self.contents:
self.dict[item] = ""
self.dict['basehref'] = "" #webqtlConfig.BASEHREF
self.cursor = None
self.cookie = [] #XZ: list to hold cookies (myCookie object) being changed
self.content_type = 'text/html'
self.content_disposition = ''
self.redirection = ''
self.debug = ''
self.attachment = ''
#XZ: Holding data (new data or existing data being changed) that should be saved to session. The data must be picklable!!!
self.session_data_changed = {}
self.userName = 'Guest'
self.privilege = 'guest'
# Commenting this out for flask - we'll have to reimplement later - Sam
#if fd.input_session_data.has_key('user'):
# self.userName = fd.input_session_data['user']
#if fd.input_session_data.has_key('privilege'):
# self.privilege = fd.input_session_data['privilege']
def __str__(self):
#XZ: default setting
thisUserName = self.userName
thisPrivilege = self.privilege
#XZ: user may just go through login or logoff page
if self.session_data_changed.has_key('user'):
thisUserName = self.session_data_changed['user']
if self.session_data_changed.has_key('privilege'):
thisPrivilege = self.session_data_changed['privilege']
if thisUserName == 'Guest':
userInfo = 'Welcome! <a href=/account.html><U>Login</U></a>'
else:
userInfo = 'Hi, %s! <a href=/webqtl/main.py?FormID=userLogoff><U>Logout</U></a>' % thisUserName
reload(header)
self.dict['header'] = header.header_string % userInfo
serverInfo = "It took %2.3f second(s) for %s to generate this page" % (time.time()-self.starttime, socket.getfqdn())
reload(footer)
self.dict['footer'] = footer.footer_string % serverInfo
slist = []
for item in self.contents:
slist.append(self.dict[item])
return self.template % tuple(slist)
def __del__(self):
if self.cursor:
self.cursor.close()
def write(self):
'return string representation of this object'
if self.cursor:
self.cursor.close()
return str(self)
def writeFile(self, filename):
'save string representation of this object into a file'
if self.cursor:
self.cursor.close()
try:
'it could take a long time to generate the file, save to .tmp first'
fp = open(os.path.join(webqtlConfig.TMPDIR, filename+'.tmp'), 'wb')
fp.write(str(self))
fp.close()
path_tmp = os.path.join(webqtlConfig.TMPDIR, filename+'.tmp')
path_html = os.path.join(webqtlConfig.TMPDIR, filename)
shutil.move(path_tmp,path_html)
except:
pass
def openMysql(self):
try:
self.db_conn = MySQLdb.Connect(db=webqtlConfig.DB_NAME,host=webqtlConfig.MYSQL_SERVER, \
user=webqtlConfig.DB_USER,passwd=webqtlConfig.DB_PASSWD)
self.cursor = self.db_conn.cursor()
return True
except Exception:
heading = "Connect MySQL Server"
detail = ["Can't connect to MySQL server on '"+ webqtlConfig.MYSQL_SERVER+"':100061. \
The server may be down at this time"]
self.error(heading=heading,detail=detail,error="Error 2003")
return False
def updMysql(self):
try:
self.db_conn = MySQLdb.Connect(db=webqtlConfig.DB_UPDNAME,host=webqtlConfig.MYSQL_UPDSERVER, \
user=webqtlConfig.DB_UPDUSER,passwd=webqtlConfig.DB_UPDPASSWD)
self.cursor = self.db_conn.cursor()
return True
except Exception:
heading = "Connect MySQL Server"
detail = ["update: Can't connect to MySQL server on '"+ webqtlConfig.MYSQL_UPDSERVER+"':100061. \
The server may be down at this time "]
self.error(heading=heading,detail=detail,error="Error 2003")
return False
def error(self,heading="",intro=[],detail=[],title="Error",error="Error"):
'generating a WebQTL style error page'
Heading = HT.Paragraph(heading)
Heading.__setattr__("class","title")
Intro = HT.Blockquote()
if intro:
for item in intro:
Intro.append(item)
else:
Intro.append(HT.Strong('Sorry!'),' Error occurred while processing\
your request.', HT.P(),'The nature of the error generated is as\
follows:')
Detail = HT.Blockquote()
Detail.append(HT.Span("%s : " % error,Class="fwb cr"))
if detail:
Detail2 = HT.Blockquote()
for item in detail:
Detail2.append(item)
Detail.append(HT.Italic(Detail2))
#Detail.__setattr__("class","subtitle")
TD_LR = HT.TD(height=200,width="100%",bgColor='#eeeeee',valign="top")
TD_LR.append(Heading,Intro,Detail)
self.dict['body'] = str(TD_LR)
self.dict['title'] = title
def session(self,mytitle="",myHeading=""):
'generate a auto-refreshing temporary html file(waiting page)'
self.filename = webqtlUtil.generate_session()
self.dict['title'] = mytitle
self.dict['basehref'] = webqtlConfig.REFRESHSTR % (webqtlConfig.CGIDIR, self.filename) + "" #webqtlConfig.BASEHREF
TD_LR = HT.TD(align="center", valign="middle", height=200,width="100%", bgColor='#eeeeee')
Heading = HT.Paragraph(myHeading, Class="fwb fs16 cr")
# NL, 07/27/2010. variable 'PROGRESSBAR' has been moved from templatePage.py to webqtlUtil.py;
TD_LR.append(Heading, HT.BR(), webqtlUtil.PROGRESSBAR)
self.dict['body'] = TD_LR
self.writeFile(self.filename + '.html')
return self.filename
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