mpresent-python/bin/mpresent

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#! /opt/openoffice4/program/python
# -*- coding: utf-8 -*-
# OpenOffice mobile presentation constroller, as Python
# by imacat <imacat@mail.imacat.idv.tw>, 2014-02-28
# Copyright (c) 2016 imacat.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Controls OpenOffice presentation with mobile devices.
"""
from __future__ import print_function
import argparse
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import os
import os.path
import sys
import ssl
import time
import random
import socket
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import BaseHTTPServer
def append_uno_path():
"""Append the path of the uno module to the import path."""
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is_found_uno = False
for p in sys.path:
if os.path.exists(os.path.join(p, "uno.py")):
return
# For uno.py on MacOS
cand = "/Applications/OpenOffice.app/Contents/MacOS"
if os.path.exists(os.path.join(cand, "uno.py")):
sys.path.append(cand)
return
# Finds uno.py for MS-Windows
cand = sys.executable
while cand != os.path.dirname(cand):
cand = os.path.dirname(cand)
if os.path.exists(os.path.join(cand, "uno.py")):
sys.path.append(cand)
return
append_uno_path()
import uno
from com.sun.star.beans import PropertyValue
from com.sun.star.lang import DisposedException
from com.sun.star.connection import NoConnectException
def main():
"""The main program."""
t_start = time.time()
global args
# Parses the arguments
parse_args()
run(args.docfile, args.wwwport, args.usessl)
def parse_args():
"""Parse the arguments."""
global args
parser = argparse.ArgumentParser(
description=("Synchronize the local Basic scripts"
" with OpenOffice/LibreOffice Basic."))
parser.add_argument(
"docfile", metavar="PRESENTATIOON", type=presentation_doc,
help=("The presentation document to play."))
parser.add_argument(
"-w", "--wwwport", metavar="N", type=int, default=53177,
help=("The TCP port for the web presentation controller "
"(default: %(default)s)"))
parser.add_argument(
"-p", "--port", metavar="N", type=int, default=2002,
help=("The TCP port to communicate with "
"OpenOffice/LibreOffice with (default: %(default)s)"))
parser.add_argument(
"-v", "--version", action="version", version="%(prog)s 1.0")
args = parser.parse_args()
# Obtain the absolute path
args.docfile = os.path.abspath(args.docfile)
# Check whether we are using SSL.
# TODO: Changed to an option or find the certificates automatically
docdir = os.path.dirname(os.path.abspath(sys.argv[0]))
keyfile = os.path.join(docdir, "server.key.pem")
crtfile = os.path.join(docdir, "server.crt.pem")
args.usessl = False
if os.path.isfile(keyfile) and os.path.isfile(crtfile):
args.usessl = (keyfile, crtfile)
return
def presentation_doc(docfile):
"""Checks the supplied presentation document argument.
Arguments:
docfile: The supplied presentation document argument.
Returns:
The supplied presentation document argument.
"""
s = docfile.lower()
if not (s.endswith(".odp")
or s.endswith(".sxi")
or s.endswith(".ppt")
or s.endswith(".pptx")):
raise argparse.ArgumentTypeError(
"%s: Not a presentation document" % docfile)
path = os.path.abspath(docfile)
if not os.path.exists(path):
raise argparse.ArgumentTypeError(
"%s: File does not exit" % docfile)
if not os.path.isfile(path):
raise argparse.ArgumentTypeError(
"%s: Not a file" % docfile)
return docfile
def run(doc, port, usessl):
"""
Start the presentation and run the web presentation controller.
"""
global oo
print("Listen on port %d" % port)
oo = PresentationController(doc)
oo.check_valid()
server_address = ("", port)
httpd = BaseHTTPServer.HTTPServer(server_address, MyHTTPRequestHandler)
if usessl is not False:
httpd.socket = ssl.wrap_socket(
httpd.socket,
keyfile=usessl[0],
certfile=usessl[1],
server_side=True)
httpd.serve_forever()
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class PresentationController:
"""The OpenOffice mobile presentation controller."""
def __init__(self, docfile):
"""Initialize the object."""
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self.file = docfile
self.port = 2002
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self.bootstrap_context = None
self.service_manager = None
self.desktop = None
self.doc = None
def check_valid(self):
"""
Check the validity of the connection and the opened
document.
"""
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try:
presentation = self.doc.getPresentation()
except (AttributeError, DisposedException):
try:
self.bootstrap_context.getServiceManager()
except (AttributeError, DisposedException):
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self.__connect()
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self.open()
presentation = self.doc.getPresentation()
if not presentation.isRunning():
presentation.start()
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def open(self):
"""Open an office document."""
file_content_provider = self.service_manager.createInstance(
"com.sun.star.ucb.FileContentProvider")
url = file_content_provider.getFileURLFromSystemPath("", self.file)
enum = self.desktop.getComponents().createEnumeration()
while enum.hasMoreElements():
component = enum.nextElement()
if component.supportsService(
"com.sun.star.presentation.PresentationDocument"):
if component.getURL() == url:
self.doc = component
return
prop1 = PropertyValue()
prop1.Name = "ReadOnly"
prop1.Value = True
prop2 = PropertyValue()
prop2.Name = "MacroExecutionMode"
# com.sun.star.document.MacroExecMode.ALWAYS_EXECUTE
prop2.Value = 2
self.doc = self.desktop.loadComponentFromURL(
url, "_default", 0, (prop2,))
if not self.doc.supportsService(
"com.sun.star.presentation.PresentationDocument"):
sys.stderr.write(self.file + ": not a presentation document.\n")
sys.exit(1)
return
def goto_next_slide(self):
"""Go to the next slide."""
self.doc.getPresentation().getController().gotoNextSlide()
return
def goto_prev_slide(self):
"""Go to the previous slide."""
self.doc.getPresentation().getController().gotoPreviousSlide()
return
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def __connect(self):
"""Connect to the running OpenOffice/LibreOffice process.
Run OpenOffice/LibreOffice in server listening mode if it is
not running yet.
"""
# Obtains the local context
local_context = uno.getComponentContext()
# Obtains the local service manager
local_service_manager = local_context.getServiceManager()
# Obtains the URL resolver
url_resolver = local_service_manager.createInstanceWithContext(
"com.sun.star.bridge.UnoUrlResolver", local_context)
# Obtains the context
url = ("uno:socket,host=localhost,port=%d;"
"urp;StarOffice.ComponentContext") % self.port
while True:
try:
self.bootstrap_context = url_resolver.resolve(url)
except NoConnectException:
self.__start_oo()
else:
break
# Obtains the service manager
self.service_manager = self.bootstrap_context.getServiceManager()
# Obtains the desktop service
self.desktop = self.service_manager.createInstanceWithContext(
"com.sun.star.frame.Desktop", self.bootstrap_context)
def __start_oo(self):
"""Start OpenOffice/LibreOffice in server listening mode."""
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# For MS-Windows, which does not have fork()
if os.name == "nt":
from subprocess import Popen
soffice = os.path.join(
os.path.dirname(uno.__file__), "soffice.exe")
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DETACHED_PROCESS = 0x00000008
Popen([soffice,
"-accept=socket,host=localhost,port=%d;urp;" %
self.port],
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close_fds=True, creationflags=DETACHED_PROCESS)
time.sleep(2)
return
# For POSIX systems, including Linux and MacOSX
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try:
pid = os.fork()
except OSError:
print("Failed to fork().", file=sys.stderr)
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sys.exit(1)
if pid != 0:
time.sleep(2)
return
os.setsid()
soffice = self.__find_posix_soffice()
if soffice is None:
print("Failed to find the "
"OpenOffice/LibreOffice installation.",
file=sys.stderr)
sys.exit(1)
param = "-accept=socket,host=localhost,port=%d;urp;" % \
self.port
# LibreOffice on POSIX systems uses --accept instead of
# -accept now.
if self.__is_soffice_lo(soffice):
param = "-" + param
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try:
os.execl(soffice, soffice, param)
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except OSError:
print("%s: Failed to run the"
" OpenOffice/LibreOffice server." % soffice,
file=sys.stderr)
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sys.exit(1)
def __find_posix_soffice(self):
"""Find soffice on POSIX systems (Linux or MacOSX).
Returns:
The found soffice executable, or None if not found.
"""
# Checkes soffice in the same directory of uno.py
# This works for Linux OpenOffice/LibreOffice local
# installation, and OpenOffice on MacOSX.
soffice = os.path.join(
os.path.dirname(uno.__file__), "soffice")
if os.path.exists(soffice):
return soffice
# Now we have LibreOffice on MacOSX and Linux
# OpenOffice/LibreOffice vender installation.
# LibreOffice on MacOSX.
soffice = "/Applications/LibreOffice.app/Contents/MacOS/soffice"
if os.path.exists(soffice):
return soffice
# Linux OpenOffice/LibreOffice vender installation.
soffice = "/usr/bin/soffice"
if os.path.exists(soffice):
return soffice
# Not found
return None
def __is_soffice_lo(self, soffice):
"""Check whether the soffice executable is LibreOffice.
LibreOffice on POSIX systems accepts "--accept" instead of
"-accept" now.
Returns:
True if soffice is LibreOffice, or False otherwise.
"""
# This works for most cases.
if soffice.lower().find("libreoffice") != -1:
return True
# Checks the symbolic link at /usr/bin/soffice
if soffice == "/usr/bin/soffice" and os.path.islink(soffice):
if os.readlink(soffice).lower().find("libreoffice") != -1:
return True
# Not found
return False
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class MyHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
"""The local HTTP request handler."""
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def do_GET(self):
"""Handle the GET requests."""
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oo.check_valid()
html = """<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.5" />
<style type="text/css">
.pocket input {
font-size: 8em;
}
</style>
<title>OpenOffice Presentation Controller</title>
</head>
<body>
<div class="pocket">
<form action="/next" method="POST">
<input type="submit" value="▲" />
</form>
</div>
<div class="pocket">
<form action="/prev" method="POST">
<input type="submit" value="▼" />
</form>
</div>
</body>"""
self.send_response(200)
self.send_header("Content-Type", "text/html; charset=UTF-8")
self.send_header("Content-Length", len(html))
self.end_headers()
self.wfile.write(html)
def do_POST(self):
"""Handle the POST requests."""
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oo.check_valid()
if self.path == "/next":
oo.goto_next_slide()
elif self.path == "/prev":
oo.goto_prev_slide()
html = """<?xml version="1.0" encoding="US-ASCII" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII" />
<meta name="viewport" content="width=device-width, initial-scale=1.5" />
<title>303 See Others</title>
</head>
<body>
<h1>303 See Others</h1>
<p>Please follow <a href="/">this location</a>.</p>
</body>
</html>"""
self.send_response(303)
self.send_header("Location", "/")
self.send_header("Content-Type", "text/html; charset=US-ASCII")
self.send_header("Content-Length", len(html))
self.end_headers()
self.wfile.write(html)
if __name__ == "__main__":
main()
"""
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if len(sys.argv) != 2:
sys.stderr.write("Please specify the presentation document.\n")
sys.exit(1)
docfile = os.path.abspath(sys.argv[1])
s = docfile.lower()
if not (s.endswith(".odp")
or s.endswith(".sxi")
or s.endswith(".ppt")
or s.endswith(".pptx")):
sys.stderr.write(docfile + ": not a presentation document.\n")
sys.exit(1)
if not os.path.exists(docfile):
sys.stderr.write(docfile + ": file does not exist.\n")
sys.exit(1)
if not os.path.isfile(docfile):
sys.stderr.write(docfile + ": file does not exist.\n")
sys.exit(1)
mydir = os.path.dirname(os.path.abspath(sys.argv[0]))
keyfile = os.path.join(mydir, "server.key.pem")
crtfile = os.path.join(mydir, "server.crt.pem")
usessl = False
if os.path.isfile(keyfile) and os.path.isfile(crtfile):
usessl = (keyfile, crtfile)
oo = PresentationController(docfile)
run()
"""