#!/usr/bin/env python # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
#
# Version: MPL 1.1 / GPLv3+ / LGPLv3+
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License or as specified alternatively below. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# Major Contributor(s):
# Copyright (C) 2012 Red Hat, Inc., Michael Stahl <mstahl@redhat.com>
#  (initial developer)
#
# All Rights Reserved.
#
# For minor contributions see the git repository.
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 3 or later (the "GPLv3+"), or
# the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
# in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
# instead of those above.

# Simple script to load a bunch of documents and export them as Flat ODF
#
# Personally I run it like this:
# ~/lo/master-suse/instdir/program/python ~/lo/master-suse/bin/benchmark-document-loading  --soffice=path:/home/tml/lo/master-suse/instdir/program/soffice --outdir=file://$PWD/out --userdir=file:///tmp/test $PWD/docs
#

import argparse
import datetime
import os
import subprocess
import sys
import threading
import time
import urllib
try:
    from urllib.parse import quote
except ImportError:
    from urllib import quote
import uuid

try:
    import pyuno
    import uno
    import unohelper
except ImportError:
    print("pyuno not found: try to set PYTHONPATH and URE_BOOTSTRAP variables")
    print("PYTHONPATH=/installation/opt/program")
    print("URE_BOOTSTRAP=file:///installation/opt/program/fundamentalrc")
    raise

try:
    from com.sun.star.beans import PropertyValue
    from com.sun.star.document import XDocumentEventListener
    from com.sun.star.io import IOException, XOutputStream
except ImportError:
    print("UNO API class not found: try to set URE_BOOTSTRAP variable")
    print("URE_BOOTSTRAP=file:///installation/opt/program/fundamentalrc")
    raise

validCalcFileExtensions = [ ".xlsx", ".xls", ".ods", ".fods" ]
validWriterFileExtensions = [ ".docx" , ".rtf", ".odt", ".fodt", ".doc" ]
validImpressFileExtensions = [ ".ppt", ".pptx", ".odp", ".fodp" ]
validDrawFileExtensions = [ ".odg", ".fodg" ]
validRevereseFileExtensions = [ ".vsd", ".vdx", ".cdr", ".pub", ".wpd" ]
validFileExtensions = {"calc": validCalcFileExtensions,
                       "writer": validWriterFileExtensions,
                       "impress": validImpressFileExtensions,
                       "draw": validDrawFileExtensions,
                       "reverse": validRevereseFileExtensions}
flatODFTypes = {"calc": (".fods", "OpenDocument Spreadsheet Flat XML"),
                "writer": (".fodt", "OpenDocument Text Flat XML"),
                "impress": (".fodp", "OpenDocument Presentation Flat XML"),
                "draw": (".fodg", "OpenDocument Drawing Flat XML")}

outdir = ""

def partition(list, pred):
    left = []
    right = []
    for e in list:
        if pred(e):
            left.append(e)
        else:
            right.append(e)
    return (left, right)

def filelist(directory, suffix):
    if not directory:
        raise Exception("filelist: empty directory")
    if directory[-1] != "/":
        directory += "/"
    files = [directory + f for f in os.listdir(directory)]
#    print(files)
    return [f for f in files
                    if os.path.isfile(f) and os.path.splitext(f)[1] == suffix]

def getFiles(dirs, suffix):
#    print( dirs )
    files = []
    for d in dirs:
        files += filelist(d, suffix)
    return files

### UNO utilities ###

class OutputStream( unohelper.Base, XOutputStream ):
    def __init__( self ):
        self.closed = 0

    def closeOutput(self):
        self.closed = 1

    def writeBytes( self, seq ):
        sys.stdout.write( seq.value )

    def flush( self ):
        pass

class OfficeConnection:
    def __init__(self, args):
        self.args = args
        self.soffice = None
        self.socket = None
        self.xContext = None
        self.pro = None
    def setUp(self):
        (method, sep, rest) = self.args.soffice.partition(":")
        if sep != ":":
            raise Exception("soffice parameter does not specify method")
        if method == "path":
            socket = "pipe,name=pytest" + str(uuid.uuid1())
            userdir = self.args.userdir
            if not userdir:
                raise Exception("'path' method requires --userdir")
            if not userdir.startswith("file://"):
                raise Exception("--userdir must be file URL")
            self.soffice = self.bootstrap(rest, userdir, socket)
        elif method == "connect":
            socket = rest
        else:
            raise Exception("unsupported connection method: " + method)
        self.xContext = self.connect(socket)

    def bootstrap(self, soffice, userdir, socket):
        argv = [ soffice, "--accept=" + socket + ";urp",
                "-env:UserInstallation=" + userdir,
                "--quickstart=no",
                "--norestore", "--nologo", "--headless" ]
        if self.args.valgrind:
            argv.append("--valgrind")
        os.putenv("SAL_LOG", "-INFO-WARN")
        os.putenv("LIBO_ONEWAY_STABLE_ODF_EXPORT", "YES")
        self.pro = subprocess.Popen(argv)
#        print(self.pro.pid)

    def connect(self, socket):
        xLocalContext = uno.getComponentContext()
        xUnoResolver = xLocalContext.ServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", xLocalContext)
        url = "uno:" + socket + ";urp;StarOffice.ComponentContext"
#        print("OfficeConnection: connecting to: " + url)
        while True:
            try:
                xContext = xUnoResolver.resolve(url)
                return xContext
#            except com.sun.star.connection.NoConnectException
            except pyuno.getClass("com.sun.star.connection.NoConnectException"):
#                print("NoConnectException: sleeping...")
                time.sleep(1)

    def tearDown(self):
        if self.soffice:
            if self.xContext:
                try:
#                    print("tearDown: calling terminate()...")
                    xMgr = self.xContext.ServiceManager
                    xDesktop = xMgr.createInstanceWithContext("com.sun.star.frame.Desktop", self.xContext)
                    xDesktop.terminate()
#                    print("...done")
#                except com.sun.star.lang.DisposedException:
                except pyuno.getClass("com.sun.star.beans.UnknownPropertyException"):
#                    print("caught UnknownPropertyException while TearDown")
                    pass # ignore, also means disposed
                except pyuno.getClass("com.sun.star.lang.DisposedException"):
#                    print("caught DisposedException while TearDown")
                    pass # ignore
            else:
                self.soffice.terminate()
            ret = self.soffice.wait()
            self.xContext = None
            self.socket = None
            self.soffice = None
            if ret != 0:
                raise Exception("Exit status indicates failure: " + str(ret))
#            return ret
    def kill(self):
        command = "kill " + str(self.pro.pid)
        with open("killFile.log", "a") as killFile:
            killFile.write(command + "\n")
#        print("kill")
#        print(command)
        os.system(command)

class PersistentConnection:
    def __init__(self, args):
        self.args = args
        self.connection = None
    def getContext(self):
        return self.connection.xContext
    def setUp(self):
        assert(not self.connection)
        conn = OfficeConnection(self.args)
        conn.setUp()
        self.connection = conn
    def preTest(self):
        assert(self.connection)
    def postTest(self):
        assert(self.connection)
    def tearDown(self):
        if self.connection:
            try:
                self.connection.tearDown()
            finally:
                self.connection = None
    def kill(self):
        if self.connection:
            self.connection.kill()

def simpleInvoke(connection, test):
    try:
        connection.preTest()
        test.run(connection.getContext(), connection)
    finally:
        connection.postTest()

def runConnectionTests(connection, invoker, tests):
    try:
        connection.setUp()
        for test in tests:
            invoker(connection, test)
    finally:
        pass
        #connection.tearDown()

class EventListener(XDocumentEventListener,unohelper.Base):
    def __init__(self):
        self.layoutFinished = False
    def documentEventOccured(self, event):
#        print(str(event.EventName))
        if event.EventName == "OnLayoutFinished":
            self.layoutFinished = True
    def disposing(event):
        pass

def mkPropertyValue(name, value):
    return uno.createUnoStruct("com.sun.star.beans.PropertyValue",
            name, 0, value, 0)

### tests ###

def logTimeSpent(url, startTime):
    print(os.path.basename(urllib.parse.urlparse(url).path) + "\t" + str(time.time()-startTime))

def loadFromURL(xContext, url, t, component):
    xDesktop = xContext.ServiceManager.createInstanceWithContext("com.sun.star.frame.Desktop", xContext)
    props = [("Hidden", True), ("ReadOnly", True)] # FilterName?
    loadProps = tuple([mkPropertyValue(name, value) for (name, value) in props])
    xListener = None
    if component == "writer":
        xListener = EventListener()
        xGEB = xContext.getValueByName(
            "/singletons/com.sun.star.frame.theGlobalEventBroadcaster")
        xGEB.addDocumentEventListener(xListener)
    try:
        xDoc = None
        startTime = time.time()
        xDoc = xDesktop.loadComponentFromURL(url, "_blank", 0, loadProps)
        if component == "calc":
            try:
                if xDoc:
                    xDoc.calculateAll()
            except AttributeError:
                pass
            t.cancel()
            logTimeSpent(url, startTime)
            return xDoc
        elif component == "writer":
            time_ = 0
            t.cancel()
            while time_ < 30:
                if xListener.layoutFinished:
                    logTimeSpent(url, startTime)
                    return xDoc
#                print("delaying...")
                time_ += 1
                time.sleep(1)
        else:
            t.cancel()
            logTimeSpent(url, startTime)
            return xDoc
        with open("file.log", "a") as fh:
            fh.write("layout did not finish\n")
        return xDoc
    except pyuno.getClass("com.sun.star.beans.UnknownPropertyException"):
        xListener = None
        raise # means crashed, handle it later
    except pyuno.getClass("com.sun.star.lang.DisposedException"):
        xListener = None
        raise # means crashed, handle it later
    except pyuno.getClass("com.sun.star.lang.IllegalArgumentException"):
        pass # means could not open the file, ignore it
    except:
        if xDoc:
#            print("CLOSING")
            xDoc.close(True)
        raise
    finally:
        if xListener:
            xGEB.removeDocumentEventListener(xListener)

def exportToODF(xContext, xDoc, baseName, t, component):
    exportFileName = outdir + "/" + os.path.splitext(baseName)[0] + flatODFTypes[component][0]
    print("exportToODF " + baseName + " => " + exportFileName)
    props = [("FilterName", flatODFTypes[component][1]),
             ("Overwrite", True)]
    storeProps = tuple([mkPropertyValue(name, value) for (name, value) in props])
    xDoc.storeToURL(exportFileName, tuple(storeProps))

def handleCrash(file, disposed):
#    print("File: " + file + " crashed")
    with open("crashlog.txt", "a") as crashLog:
        crashLog.write('Crash:' + file + ' ')
        if disposed == 1:
            crashLog.write('through disposed\n')
#    crashed_files.append(file)
# add here the remaining handling code for crashed files

def alarm_handler(args):
    args.kill()

class HandleFileTest:
    def __init__(self, file, state, component):
        self.file = file
        self.state = state
        self.component = component
    def run(self, xContext, connection):
#        print("Loading document: " + self.file)
        t = None
        args = None
        try:
            url = "file://" + quote(self.file)
            with open("file.log", "a") as fh:
                fh.write(url + "\n")
            xDoc = None
            args = [connection]
            t = threading.Timer(60, alarm_handler, args)
            t.start()
            xDoc = loadFromURL(xContext, url, t, self.component)
            self.state.goodFiles.append(self.file)
            exportToODF(xContext, xDoc, os.path.basename(urllib.parse.urlparse(url).path), t, self.component)
        except pyuno.getClass("com.sun.star.beans.UnknownPropertyException"):
#            print("caught UnknownPropertyException " + self.file)
            if not t.is_alive():
#                print("TIMEOUT!")
                self.state.timeoutFiles.append(self.file)
            else:
                t.cancel()
                handleCrash(self.file, 0)
                self.state.badPropertyFiles.append(self.file)
            connection.tearDown()
            connection.setUp()
        except pyuno.getClass("com.sun.star.lang.DisposedException"):
#            print("caught DisposedException " + self.file)
            if not t.is_alive():
#                print("TIMEOUT!")
                self.state.timeoutFiles.append(self.file)
            else:
                t.cancel()
                handleCrash(self.file, 1)
                self.state.badDisposedFiles.append(self.file)
            connection.tearDown()
            connection.setUp()
        finally:
            if t.is_alive():
                t.cancel()
            try:
                if xDoc:
                    t = threading.Timer(10, alarm_handler, args)
                    t.start()
                    xDoc.close(True)
                    t.cancel()
            except pyuno.getClass("com.sun.star.beans.UnknownPropertyException"):
                print("caught UnknownPropertyException while closing")
                self.state.badPropertyFiles.append(self.file)
                connection.tearDown()
                connection.setUp()
            except pyuno.getClass("com.sun.star.lang.DisposedException"):
                print("caught DisposedException while closing")
                if t.is_alive():
                    t.cancel()
                else:
                    self.state.badDisposedFiles.append(self.file)
                connection.tearDown()
                connection.setUp()
#            print("...done with: " + self.file)

class State:
    def __init__(self):
        self.goodFiles = []
        self.badDisposedFiles = []
        self.badPropertyFiles = []
        self.timeoutFiles = []


def write_state_report(files_list, start_time, report_filename, description):
    with open(report_filename, "w") as fh:
        fh.write("%s:\n" % description)
        fh.write("Starttime: %s\n" % start_time.isoformat())
        for f in files_list:
            fh.write("%s\n" % f)


def writeReport(state, startTime):
    write_state_report(state.goodFiles, startTime, "goodFiles.log",
                       "Files which loaded perfectly")
    write_state_report(state.badDisposedFiles, startTime, "badDisposedFiles.log",
                       "Files which crashed with DisposedException")
    write_state_report(state.badPropertyFiles, startTime, "badPropertyFiles.log",
                       "Files which crashed with UnknownPropertyException")
    write_state_report(state.timeoutFiles, startTime, "timeoutFiles.log",
                       "Files which timed out")

def runHandleFileTests(opts):
    startTime = datetime.datetime.now()
    connection = PersistentConnection(opts)
    global outdir
    outdir = os.path.join(opts.outdir, startTime.strftime('%Y%m%d.%H%M%S'))
    try:
        tests = []
        state = State()
#        print("before map")
        for component, validExtension in validFileExtensions.items():
            files = []
            for suffix in validExtension:
                files.extend(getFiles(opts.dirs, suffix))
            files.sort()
            tests.extend( (HandleFileTest(file, state, component) for file in files) )
        runConnectionTests(connection, simpleInvoke, tests)
    finally:
        connection.kill()
        writeReport(state, startTime)

def parseArgs(argv):
    epilog = "'location' is a pathname, not a URL. 'outdir' and 'userdir' are URLs.\n" \
             "The 'directory' parameters should be full absolute pathnames, not URLs."

    parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
                                     epilog=epilog)
    parser.add_argument('--soffice', metavar='method:location', required=True,
                        help="specify soffice instance to connect to\n"
                             "supported methods: 'path', 'connect'")
    parser.add_argument('--outdir', metavar='URL', required=True,
                        help="specify the output directory for flat ODF exports")
    parser.add_argument('--userdir', metavar='URL',
                        help="specify user installation directory for 'path' method")
    parser.add_argument('--valgrind', action='store_true',
                        help="pass --valgrind to soffice for 'path' method")
    parser.add_argument('dirs', metavar='directory', nargs='+')

    args = parser.parse_args(argv[1:])

    return args


if __name__ == "__main__":
    opts = parseArgs(sys.argv)
    runHandleFileTests(opts)

# vim:set shiftwidth=4 softtabstop=4 expandtab: