Difference between revisions of "PyUNOServer"

# -*- coding: iso-8859-1 -*-
#
# pyUnoServer - version 2.0
#
# (C) 2005 ECWeb Ingenieria y Desarrollo - http://www.ecweb.cl/
# Written by:
# - Jose Antonio Akel <jakel@NOSPAMecweb.cl>
# - Hector Vergara <hector@NOSPAMecweb.cl>
# - Luis Gonzalez Miranda <lgm@NOSPAMecweb.cl>
#
# This program is freely distributable per the following license:
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted,
# provided that the above copyright notice appears in all copies and that
# both that copyright notice and this permission notice appear in
# supporting documentation.
#
# I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL I
# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.

“"”

This program implements a XMLRPC gateway to Openoffice's Spreadsheet Calculator,
allowing external programs to exchange data with spreadsheets.

“"”

from SimpleXMLRPCServer import SimpleXMLRPCServer, SimpleXMLRPCRequestHandler
import os
import uno
import sys
import time
import logging
import urllib

class PyUNOServer(SimpleXMLRPCServer):

	def _dispatch(self, method, params):

try: func = getattr(self, + method) except: self.logger.error("El Metodo '"+method+"' no esta soportado!") raise Exception('method "%s" is not supported' % method) else: try: ret = func(*params) self.logger.info("Llamada: "+str(method)+str(params)+" | Retorno: "+str(ret)) return ret except: self.logger.info("Llamada: "+str(method)+str(params)) self.logger.error("Error: "+str(sys.exc_type)+":"+str(sys.exc_value)) ef init(self): """ This method starts an Openoffice session and initializes the XMLRPC server """

1. Create some useful constants

self.EMPTY = uno.Enum("com.sun.star.table.CellContentType", "EMPTY") self.TEXT = uno.Enum("com.sun.star.table.CellContentType", "TEXT") self.FORMULA = uno.Enum("com.sun.star.table.CellContentType", "FORMULA") self.VALUE = uno.Enum("com.sun.star.table.CellContentType", "VALUE")

1. Generate a Logger

self.logger = logging.getLogger('pyUnoServer') hdlr = logging.FileHandler('./pyUnoServer.log') formatter = logging.Formatter('%(asctime)s %(levelname)s -- %(message)s') hdlr.setFormatter(formatter) self.logger.addHandler(hdlr) self.logger.setLevel(logging.INFO) self.sessions = [] self.sessionSerial = 0

1. Launch OpenOffice.org Calc and retrieve their Process Identificator (PID)

self.PID = os.spawnlp(os.P_NOWAIT,"/usr/bin/oocalc","","-accept=socket,host=localhost,port=2002;urp;")

self.logger.info("OOCalc Iniciado con el PID "+str(self.PID)) while 1: try: localContext = uno.getComponentContext() resolver = localContext.ServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", localContext ) smgr = resolver.resolve( "uno:socket,host=localhost,port=2002;urp;StarOffice.ServiceManager" ) remoteContext = smgr.getPropertyValue( "DefaultContext" ) self.desktop = smgr.createInstanceWithContext( "com.sun.star.frame.Desktop",remoteContext) self.logger.info("Sistema conectado al socket de UNO") break except: time.sleep(0.5) ef openSession(self, session): """ This method opens a new session. Sample usage from PHP:

- $sessionString is your a session ID provided by your program):

$openSession = array( new XML_RPC_VALUE($sessionString, "string")); $sessionID = queryXMLRPC($client, "openSession", $openSession); return $sessionID; """ currentSerial = -1 for i in range(0,len(self.sessions)): if self.sessions[i][0] == session: currentSerial = i break

if currentSerial == -1: self.sessions.append([session,[]]) currentSerial = len(self.sessions)-1 return currentSerial

def getSessions(self):

     return self.sessions

def openBook(self, session, bookPath): """ This method opens a new Openoffice spreadsheet book. Sample usage from PHP:

- $sessionID is the session's ID returned by openSession()
- $path is the path to the book in the server's filesystem

$openBookQuery = array( new XML_RPC_VALUE($sessionID, "int"), new XML_RPC_VALUE($path,"string") ); $bookID = queryXMLRPC($client, "openBook", $openBookQuery); return $bookID; """ currentSerial = session bookPath = bookPath.strip() print bookPath exists = os.path.exists(bookPath) if exists == False: raise Exception('El libro %s no existe', bookPath) else: self.logger.info("se ha encontrado el libro!")

currentBook = -1

for i in range(0, len(self.sessions[currentSerial][1])): try: book = self.sessions[currentSerial][1][i]

bookname = book[0] bookhandler = book[1] bookmodtime = book[2]

if bookname == bookPath: modtime = os.path.getmtime(bookPath) if (modtime > bookmodtime): book[1].dispose() self.sessions[currentSerial][1].remove(book) else: currentBook = i break except: self.logger.error("El libro "+currentBook+" no existe!")

if (currentBook < 0 ): handler = self.desktop.loadComponentFromURL( "file://" + bookPath ,"_blank",0,()) if(handler == None): raise Exception('El libro no existe o tiene caracteres extraños...') modtime = os.path.getmtime(bookPath)

estruct = [bookPath,handler,modtime] self.sessions[currentSerial][1].append(estruct) currentBook = len(self.sessions[currentSerial][1])-1

return currentBook ef closeBook(self, sessionID, bookID):

books = self.sessions[sessionID][1]

1. this closes de document. It looks dirty, but according to the documentation it works

books[bookID][1].dispose() self.sessions[sessionID][1].remove(books[bookID])

return 1 def getBookSheets(self, sessionID, bookID): """ This method return an array with the book's worksheets. Sample usage from PHP:

- $sessionID is the session's ID returned by openSession()
- $bookID is the book's ID returned by openBook()

$sheetsQuery = array( new XML_RPC_VALUE($sessionID, "int"), new XML_RPC_VALUE($bookID, "int") ); $sheets = queryXMLRPC($client, "getBookSheets" , $sheetsQuery); return $sheets; """

sheets = self.sessions[sessionID][1][bookID][1].getSheets().createEnumeration()

container = [] while(sheets.hasMoreElements()): currentSheet = sheets.nextElement() container.append(currentSheet.getName().encode("UTF-8"))

return container def getCellValue (self,sheet,x,y): cell = sheet.getCellByPosition(x,y) cellType = cell.getType() if cellType == self.TEXT : data = cell.getString().encode("UTF-8") if data == None: return "" return data.encode("UTF-8")

if cellType == self.FORMULA or cellType == self.VALUE : data = cell.getValue() if data == None: return 0 return cell.getValue() if cellType == self.EMPTY : return "" ef getCell(self, session, book, sheet, x, y): """ This method returns the content of a cell. Sample usage from PHP:

- $sessionID is the session's ID returned by openSession()
- $bookID is the book's ID returned by openBook()
- $sheet is the sheet's ID as returned by getBookSheets()

$query = array( new XML_RPC_Value($sessionID, "int"), new XML_RPC_VALUE($bookID, "int"), new XML_RPC_VALUE($sheet, "int"), new XML_RPC_Value($x, "int"), new XML_RPC_Value($y, "string") ); $result = queryXMLRPC($client, "getCell", $query); return $result; """

sheetref = self.sessions[session][1][book][1].getSheets().getByIndex(sheet) valor = self.getCellValue(sheetref,x,y) return valor

def setCell(self,session,book,sheet,x,y,value): """ This method sets the content of a cell. Sample usage from PHP:

- $sessionID is the session's ID returned by openSession()
- $bookID is the book's ID returned by openBook()
- $sheet is the sheet's ID as returned by getBookSheets()

$query = array( new XML_RPC_Value($sessionID, "int"), new XML_RPC_VALUE($bookID, "int"), new XML_RPC_VALUE($sheet, "int"), new XML_RPC_Value($x, "int"), new XML_RPC_Value($y, "int"), new XML_RPC_Value($value, "string") ); $result = queryXMLRPC($client, "setCell", $query); return $result; """

bookObject = self.sessions[session][1][book][1] cell = bookObject.getSheets().getByIndex(sheet).getCellByPosition(x,y) cell.setValue(value) return 1

1. en que cambiara todo? mmm...

def massiveSetCell(self, data): for valores in data: session,sheetid,x,y,valor = valores.split("|") code = self.setCell(self.trim(session),self.trim(sheetid),self.trim(x),self.trim(y),valor) if code < 0: return code return 1 def getSheetPreview(self,session,book,sheet):

     sheet = self.sessions[session][1][book][1].getSheets().getByIndex(sheet)
     range = sheet.getCellRangeByPosition(0,0,8,23).getDataArray()

return range

def trim(self, cadena): return cadena.strip()

server = PyUNOServer2)

server.init() server.logger.info(“Servicio Inicializado…”)

try: erver.serve_forever()

1. !/bin/bash