mpresent-python/bin/mpresent

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2016-12-21 00:09:00 +08:00
#! /opt/openoffice4/program/python
# -*- coding: utf-8 -*-
# OpenOffice mobile presentation constroller, as Python
# by imacat <imacat@mail.imacat.idv.tw>, 2014-02-28
# Python imports
import os
import os.path
import sys
import ssl
import time
import random
import BaseHTTPServer
def append_uno_path():
""" Appends the path of the uno module to the import path. """
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
class PresentationController:
"""The OpenOffice mobile presentation controller."""
def __init__(self, docfile):
"""Initializes the object."""
self.file = docfile
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."""
try:
presentation = self.doc.getPresentation()
except (AttributeError, DisposedException):
try:
self.bootstrap_context.getServiceManager()
except (AttributeError, DisposedException):
self.connect()
self.open()
presentation = self.doc.getPresentation()
if not presentation.isRunning():
presentation.start()
def connect(self):
"""Connects to the running OpenOffice process."""
# 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=2002;"
"urp;StarOffice.ComponentContext")
try:
self.bootstrap_context = url_resolver.resolve(url)
except NoConnectException:
self.start_oo()
self.bootstrap_context = url_resolver.resolve(url)
# 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):
"""Starts the OpenOffice in server listening mode"""
# For MS-Windows, which does not have fork()
if os.name == "nt":
from subprocess import Popen
ooexec = os.path.join(os.path.dirname(uno.__file__), "soffice.exe")
DETACHED_PROCESS = 0x00000008
Popen([ooexec, "-accept=socket,host=localhost,port=2002;urp;"],
close_fds=True, creationflags=DETACHED_PROCESS)
time.sleep(2)
return
# For POSIX systems, including Linux
try:
pid = os.fork()
except OSError:
sys.stderr.write("failed to fork().\n")
sys.exit(1)
if pid != 0:
time.sleep(2)
return
os.setsid()
ooexec = os.path.join(os.path.dirname(uno.__file__), "soffice.bin")
try:
os.execl(
ooexec, ooexec,
"-accept=socket,host=localhost,port=2002;urp;")
except OSError:
sys.stderr.write(
ooexec + ": Failed to run the OpenOffice server.\n")
sys.exit(1)
def open(self):
"""Opens 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):
"""Goes to the next slide."""
self.doc.getPresentation().getController().gotoNextSlide()
return
def goto_prev_slide(self):
"""Goes to the previous slide."""
self.doc.getPresentation().getController().gotoPreviousSlide()
return
class MyHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
"""The local HTTP request handler."""
def do_GET(self):
"""Handles the GET requests."""
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):
"""Handles the POST requests."""
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)
def run():
"""Runs the local HTTP server and starts the presentation."""
oo.check_valid()
server_address = ("", 53177)
httpd = BaseHTTPServer.HTTPServer(server_address, MyHTTPRequestHandler)
# TODO: Changed to an option or find the certificates automatically
if usessl is not False:
httpd.socket = ssl.wrap_socket(
httpd.socket,
keyfile=usessl[0],
certfile=usessl[1],
server_side=True)
httpd.serve_forever()
if __name__ == "__main__":
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()