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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
<!--
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
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<meta>
<topic id="text/sbasic/python/python_screen">
<title id="tit">Python : Screen Input/Output</title>
<filename>/text/sbasic/python/python_screen.xhp</filename>
</topic>
</meta>
<body>
<bookmark branch="index" xml-lang="en-US" id="N0433">
<bookmark_value>Python;InputBox</bookmark_value>
<bookmark_value>Python;MsgBox</bookmark_value>
<bookmark_value>Python;Print</bookmark_value>
<bookmark_value>API;script.provider.MasterScriptProvider: Screen Input/Output</bookmark_value>
<bookmark_value>API;script.provider.XScript: Screen Input/Output</bookmark_value>
</bookmark>
<h1 id="N0434"><variable id="ioscreen"><link href="text/sbasic/python/python_screen.xhp" name="IO to screen">Input/Output to Screen</link></variable></h1>
<paragraph role="paragraph" id="N0435">Python standard output file is not available when running Python macros from <menuitem>Tools – Macros - Run Macro</menuitem>... menu. Presenting the output of a module requires the Python interactive console. Features such as <literal>input()</literal>, <literal>print()</literal>, <literal>repr()</literal> and <literal>str()</literal> are available from the Python shell.</paragraph>
<paragraph role="tip" id="N0436">The <link href="https://extensions.libreoffice.org/extensions/apso-alternative-script-organizer-for-python" name="apso">Alternative Python Script Organizer</link> (APSO) extension offers a msgbox() function out of its <literal>apso_utils</literal> module.</paragraph>
<paragraph role="paragraph" id="N0437">%PRODUCTNAME Basic proposes <literal>InputBox()</literal>, <literal>Msgbox()</literal> and <literal>Print()</literal> screen I/O functions. Python alternatives exist relying either on %PRODUCTNAME API Abstract Windowing Toolkit, either on Python to Basic function calls. The latter proposes a syntax that is intentionally close to that of Basic, and uses a Python module next to a Basic module. The API Scripting Framework is used to perform Basic, BeanShell, JavaScript and Python inter-languages function calls.</paragraph>
<h2 id="N0438">Python syntax:</h2>
<paragraph role="code" id="N0439" localize="false">MsgBox(txt, buttons=0, title=None)<br/></paragraph>
<paragraph role="code" id="N0440" localize="false">InputBox(txt, title=None, default=None)<br/></paragraph>
<paragraph role="code" id="N0441" localize="false">Print(txt)</paragraph>
<h2 id="N0442">Examples:</h2>
<paragraph role="paragraph" localize="false" id="N0443"><literal>>>> import screen_io as ui</literal></paragraph>
<paragraph role="paragraph" localize="false" id="N0445"><literal>>>> reply = ui.InputBox('Please enter a phrase', title='Dear user', defaultValue="here..")</literal></paragraph>
<paragraph role="paragraph" localize="false" id="N0446"><literal>>>> rc = ui.MsgBox(reply, title="Confirmation of phrase")</literal></paragraph>
<paragraph role="paragraph" localize="false" id="N0447"><literal>>>> age = ui.InputBox('How old are you?', title="Hi")</literal></paragraph>
<paragraph role="paragraph" localize="false" id="N0448"><literal>>>> ui.Print(age)</literal></paragraph>
<h2 id="N0449">Installation:</h2>
<list type="unordered">
<listitem>
<paragraph role="listitem" id="N0450">Copy <literal>screen_io</literal> Python module in <link href="text/sbasic/python/python_locations.xhp" name="User macros">My macros</link> within <UserProfile>/Scripts/python/pythonpath,</paragraph>
</listitem>
<listitem>
<paragraph role="listitem" id="N0451">Copy <literal>uiScripts</literal> Basic module in <link href="text/sbasic/python/python_locations.xhp" name="User macros">My macros</link> Standard Basic library,</paragraph>
</listitem>
<listitem>
<paragraph role="listitem" id="N0452">Restart %PRODUCTNAME.</paragraph>
</listitem>
</list>
<h3 id="N0453"><literal>screen_io</literal> Python module</h3>
<pycode>
<paragraph role="pycode" localize="false" id="N0454"># -*- coding: utf-8 -*-</paragraph>
<paragraph role="pycode" localize="false" id="N0455">from __future__ import unicode_literals</paragraph>
<paragraph role="pycode" localize="false" id="N0456"></paragraph>
<paragraph role="pycode" localize="false" id="N0466">def MsgBox(prompt: str, buttons=0, title='LibreOffice') -> int:</paragraph>
<paragraph role="pycode" id="N0467"> """ Displays a dialog box containing a message and returns a value."""</paragraph>
<paragraph role="pycode" localize="false" id="N0468"> xScript = _getScript("_MsgBox")</paragraph>
<paragraph role="pycode" localize="false" id="N0469"> res = xScript.invoke((prompt,buttons,title), (), ())</paragraph>
<paragraph role="pycode" localize="false" id="N0470"> return res[0]</paragraph>
<paragraph role="pycode" localize="false" id="N0471"></paragraph>
<paragraph role="pycode" localize="false" id="N0472">def InputBox(prompt: str, title='LibreOffice', defaultValue='') -> str:</paragraph>
<paragraph role="pycode" id="N0473"> """ Displays a prompt in a dialog box at which the user can enter text."""</paragraph>
<paragraph role="pycode" localize="false" id="N0474"> xScript = _getScript("_InputBox")</paragraph>
<paragraph role="pycode" localize="false" id="N0475"> res = xScript.invoke((prompt,title,defaultValue), (), ())</paragraph>
<paragraph role="pycode" localize="false" id="N0476"> return res[0]</paragraph>
<paragraph role="pycode" localize="false" id="N0477"></paragraph>
<paragraph role="pycode" localize="false" id="N0478">def Print(message: str):</paragraph>
<paragraph role="pycode" id="N0479"> """Outputs the specified strings or numeric expressions in a dialog box."""</paragraph>
<paragraph role="pycode" localize="false" id="N0480"> xScript = _getScript("_Print")</paragraph>
<paragraph role="pycode" localize="false" id="N0481"> xScript.invoke((message,), (), ())</paragraph>
<paragraph role="pycode" localize="false" id="N0482"></paragraph>
<paragraph role="pycode" localize="false" id="N0483">import uno</paragraph>
<paragraph role="pycode" localize="false" id="N0484">from com.sun.star.script.provider import XScript</paragraph>
<paragraph role="pycode" localize="false" id="N0485">def _getScript(script: str, library='Standard', module='uiScripts') -> XScript:</paragraph>
<paragraph role="pycode" localize="false" id="N0486"> sm = uno.getComponentContext().ServiceManager</paragraph>
<paragraph role="pycode" localize="false" id="N0487"> mspf = sm.createInstanceWithContext("com.sun.star.script.provider.MasterScriptProviderFactory", uno.getComponentContext())</paragraph>
<paragraph role="pycode" localize="false" id="N0488"> scriptPro = mspf.createScriptProvider("")</paragraph>
<paragraph role="pycode" localize="false" id="N0489"> scriptName = "vnd.sun.star.script:"+library+"."+module+"."+script+"?language=Basic&location=application"</paragraph>
<paragraph role="pycode" localize="false" id="N0490"> xScript = scriptPro.getScript(scriptName)</paragraph>
<paragraph role="pycode" localize="false" id="N0491"> return xScript</paragraph>
</pycode>
<h3 id="N0492"><literal>uiScripts</literal> Basic module</h3>
<bascode>
<paragraph role="bascode" localize="false" id="N0493">Option Explicit</paragraph>
<paragraph role="bascode" localize="false" id="N0494">Private Function _MsgBox( prompt As String, Optional buttons As Integer, _</paragraph>
<paragraph role="bascode" localize="false" id="N0495"> Optional title As String ) As Integer</paragraph>
<paragraph role="bascode" localize="false" id="N0496"> _MsgBox = MsgBox( prompt, buttons, title )</paragraph>
<paragraph role="bascode" localize="false" id="N0497">End Function</paragraph>
<paragraph role="bascode" localize="false" id="N0498">Private Function _InputBox( prompt As String, Optional title As String, _</paragraph>
<paragraph role="bascode" localize="false" id="N0499"> Optional default As String) As String</paragraph>
<paragraph role="bascode" localize="false" id="N0500"> _InputBox = InputBox( prompt, title, default )</paragraph>
<paragraph role="bascode" localize="false" id="N0501">End Function</paragraph>
<paragraph role="bascode" localize="false" id="N0502">Private Sub _Print( msg As String )</paragraph>
<paragraph role="bascode" localize="false" id="N0503"> Print msg</paragraph>
<paragraph role="bascode" localize="false" id="N0504">End Sub</paragraph>
</bascode>
<section id="relatedtopics">
<!--
<paragraph role="paragraph" id="N0505"><link href="text/sbasic/python/python_2_basic.xhp" name="Calling Basic macros from Python">Calling Basic macros from Python</link></paragraph>
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<embed href="text/sbasic/python/main0000.xhp#pythonscriptshelp"/>
<embed href="text/sbasic/python/python_2_basic.xhp#py2ba_h1"/>
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</body>
</helpdocument>
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