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src
core
qgspythonrunner.cpp
Go to the documentation of this file.
1
/***************************************************************************
2
qgspythonrunner.cpp
3
---------------------
4
begin : May 2011
5
copyright : (C) 2011 by Martin Dobias
6
email : wonder dot sk at gmail dot com
7
***************************************************************************
8
* *
9
* This program is free software; you can redistribute it and/or modify *
10
* it under the terms of the GNU General Public License as published by *
11
* the Free Software Foundation; either version 2 of the License, or *
12
* (at your option) any later version. *
13
* *
14
***************************************************************************/
15
#include "
qgspythonrunner.h
"
16
#include "
qgslogger.h
"
17
18
QgsPythonRunner
*
QgsPythonRunner::sInstance
=
nullptr
;
19
21
// static methods
22
23
bool
QgsPythonRunner::isValid
()
24
{
25
return
nullptr
!=
sInstance
;
26
}
27
28
bool
QgsPythonRunner::run
(
const
QString &command,
const
QString &messageOnError )
29
{
30
if
(
sInstance
)
31
{
32
QgsDebugMsgLevel
(
"Running "
+ command, 3 );
33
return
sInstance
->
runCommand
( command, messageOnError );
34
}
35
else
36
{
37
QgsDebugMsg
( QStringLiteral(
"Unable to run Python command: runner not available!"
) );
38
return
false
;
39
}
40
}
41
42
bool
QgsPythonRunner::eval
(
const
QString &command, QString &result )
43
{
44
if
(
sInstance
)
45
{
46
return
sInstance
->
evalCommand
( command, result );
47
}
48
else
49
{
50
QgsDebugMsg
( QStringLiteral(
"Unable to run Python command: runner not available!"
) );
51
return
false
;
52
}
53
}
54
55
void
QgsPythonRunner::setInstance
(
QgsPythonRunner
*runner )
56
{
57
delete
sInstance
;
58
sInstance
= runner;
59
}
60
QgsDebugMsgLevel
#define QgsDebugMsgLevel(str, level)
Definition:
qgslogger.h:39
QgsDebugMsg
#define QgsDebugMsg(str)
Definition:
qgslogger.h:38
QgsPythonRunner::runCommand
virtual bool runCommand(QString command, QString messageOnError=QString())=0
QgsPythonRunner
Definition:
qgspythonrunner.h:33
QgsPythonRunner::evalCommand
virtual bool evalCommand(QString command, QString &result)=0
QgsPythonRunner::eval
static bool eval(const QString &command, QString &result)
Eval a Python statement.
Definition:
qgspythonrunner.cpp:42
QgsPythonRunner::run
static bool run(const QString &command, const QString &messageOnError=QString())
Execute a Python statement.
Definition:
qgspythonrunner.cpp:28
QgsPythonRunner::sInstance
static QgsPythonRunner * sInstance
Definition:
qgspythonrunner.h:76
qgslogger.h
QgsPythonRunner::isValid
static bool isValid()
Returns true if the runner has an instance (and thus is able to run commands)
Definition:
qgspythonrunner.cpp:23
qgspythonrunner.h
QgsPythonRunner::setInstance
static void setInstance(QgsPythonRunner *runner)
Assign an instance of Python runner so that run() can be used.
Definition:
qgspythonrunner.cpp:55
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