diff options
Diffstat (limited to 'Examples/python/simple')
-rw-r--r-- | Examples/python/simple/Makefile | 20 | ||||
-rw-r--r-- | Examples/python/simple/example.c | 18 | ||||
-rw-r--r-- | Examples/python/simple/example.dsp | 148 | ||||
-rw-r--r-- | Examples/python/simple/example.i | 7 | ||||
-rw-r--r-- | Examples/python/simple/index.html | 97 | ||||
-rw-r--r-- | Examples/python/simple/runme.py | 30 |
6 files changed, 320 insertions, 0 deletions
diff --git a/Examples/python/simple/Makefile b/Examples/python/simple/Makefile new file mode 100644 index 0000000..0f4a1e0 --- /dev/null +++ b/Examples/python/simple/Makefile @@ -0,0 +1,20 @@ +TOP = ../.. +SWIG = $(TOP)/../preinst-swig +SRCS = example.c +TARGET = example +INTERFACE = example.i + +all:: + $(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \ + TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' python + +static:: + $(MAKE) -f $(TOP)/Makefile SRCS='$(SRCS)' SWIG='$(SWIG)' \ + TARGET='mypython' INTERFACE='$(INTERFACE)' python_static + +clean:: + $(MAKE) -f $(TOP)/Makefile python_clean + rm -f $(TARGET).py + +check: all + $(MAKE) -f $(TOP)/Makefile python_run diff --git a/Examples/python/simple/example.c b/Examples/python/simple/example.c new file mode 100644 index 0000000..1c2af78 --- /dev/null +++ b/Examples/python/simple/example.c @@ -0,0 +1,18 @@ +/* File : example.c */ + +/* A global variable */ +double Foo = 3.0; + +/* Compute the greatest common divisor of positive integers */ +int gcd(int x, int y) { + int g; + g = y; + while (x > 0) { + g = x; + x = y % x; + y = g; + } + return g; +} + + diff --git a/Examples/python/simple/example.dsp b/Examples/python/simple/example.dsp new file mode 100644 index 0000000..32845e0 --- /dev/null +++ b/Examples/python/simple/example.dsp @@ -0,0 +1,148 @@ +# Microsoft Developer Studio Project File - Name="example" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+
+CFG=example - Win32 Release
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE
+!MESSAGE NMAKE /f "example.mak".
+!MESSAGE
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE
+!MESSAGE NMAKE /f "example.mak" CFG="example - Win32 Release"
+!MESSAGE
+!MESSAGE Possible choices for configuration are:
+!MESSAGE
+!MESSAGE "example - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "example - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+MTL=midl.exe
+RSC=rc.exe
+
+!IF "$(CFG)" == "example - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /I "$(PYTHON_INCLUDE)" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /GZ /c
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "_DEBUG"
+# ADD RSC /l 0x809 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib "$(PYTHON_LIB)" /nologo /dll /debug /machine:I386 /out:"_example.pyd" /pdbtype:sept
+
+!ELSEIF "$(CFG)" == "example - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /MT /W3 /GX /O2 /I "$(PYTHON_INCLUDE)" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "EXAMPLE_EXPORTS" /YX /FD /c
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x809 /d "NDEBUG"
+# ADD RSC /l 0x809 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /dll /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib "$(PYTHON_LIB)" /nologo /dll /machine:I386 /out:"_example.pyd"
+
+!ENDIF
+
+# Begin Target
+
+# Name "example - Win32 Debug"
+# Name "example - Win32 Release"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\example.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\example_wrap.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# Begin Source File
+
+SOURCE=.\example.i
+
+!IF "$(CFG)" == "example - Win32 Debug"
+
+# Begin Custom Build
+InputPath=.\example.i
+InputName=example
+
+"$(InputName)_wrap.c" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+ echo In order to function correctly, please ensure the following environment variables are correctly set:
+ echo PYTHON_INCLUDE: %PYTHON_INCLUDE%
+ echo PYTHON_LIB: %PYTHON_LIB%
+ echo on
+ ..\..\..\swig.exe -python $(InputPath)
+
+# End Custom Build
+
+!ELSEIF "$(CFG)" == "example - Win32 Release"
+
+# Begin Custom Build
+InputPath=.\example.i
+InputName=example
+
+"$(InputName)_wrap.c" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
+ echo In order to function correctly, please ensure the following environment variables are correctly set:
+ echo PYTHON_INCLUDE: %PYTHON_INCLUDE%
+ echo PYTHON_LIB: %PYTHON_LIB%
+ echo on
+ ..\..\..\swig.exe -python $(InputPath)
+
+# End Custom Build
+
+!ENDIF
+
+# End Source File
+# End Target
+# End Project
diff --git a/Examples/python/simple/example.i b/Examples/python/simple/example.i new file mode 100644 index 0000000..24093b9 --- /dev/null +++ b/Examples/python/simple/example.i @@ -0,0 +1,7 @@ +/* File : example.i */ +%module example + +%inline %{ +extern int gcd(int x, int y); +extern double Foo; +%} diff --git a/Examples/python/simple/index.html b/Examples/python/simple/index.html new file mode 100644 index 0000000..dace471 --- /dev/null +++ b/Examples/python/simple/index.html @@ -0,0 +1,97 @@ +<html> +<head> +<title>SWIG:Examples:python:simple</title> +</head> + +<body bgcolor="#ffffff"> + + +<tt>SWIG/Examples/python/simple/</tt> +<hr> + +<H2>Simple Python Example</H2> + +<p> +This example illustrates how you can hook Python to a very simple C program containing +a function and a global variable. + +<h2>The C Code</h2> + +Suppose you have the following C code: + +<blockquote> +<pre> +/* File : example.c */ + +/* A global variable */ +double Foo = 3.0; + +/* Compute the greatest common divisor of positive integers */ +int gcd(int x, int y) { + int g; + g = y; + while (x > 0) { + g = x; + x = y % x; + y = g; + } + return g; +} +</pre> +</blockquote> + +<h2>The SWIG interface</h2> + +Here is a simple SWIG interface file: + +<blockquote> +<pre> +/* File: example.i */ +%module example + +extern int gcd(int x, int y); +extern double Foo; +</pre> +</blockquote> + +<h2>Compilation</h2> + +<ol> +<li><tt>swig -python <a href="example.i">example.i</a></tt> +<p> +<li>Compile <tt><a href="example_wrap.c">example_wrap.c</a></tt> and <tt><a href="example.c">example.c</a></tt> +to create the extension <tt>examplemodule.so</tt>. +</ol> + +<h2>Using the extension</h2> + +Click <a href="example.py">here</a> to see a script that calls our C functions from Python. + +<h2>Key points</h2> + +<ul> +<li>Use the <tt>import</tt> statement to load your extension module from Python. For example: +<blockquote> +<pre> +import example +</pre> +</blockquote> + +<li>C functions work just like Python functions. For example: +<blockquote> +<pre> +g = example.gcd(42,105) +</pre> +</blockquote> + +<li>C global variables are accessed through a special variable called 'cvar'. For example: +<blockquote> +<pre> +a = example.cvar.Foo +</pre> +</blockquote> +</ul> + +<hr> +</body> +</html> diff --git a/Examples/python/simple/runme.py b/Examples/python/simple/runme.py new file mode 100644 index 0000000..d484ae9 --- /dev/null +++ b/Examples/python/simple/runme.py @@ -0,0 +1,30 @@ +# file: runme.py + +import example + +# Call our gcd() function + +x = 42 +y = 105 +g = example.gcd(x,y) +print "The gcd of %d and %d is %d" % (x,y,g) + +# Manipulate the Foo global variable + +# Output its current value +print "Foo = ", example.cvar.Foo + +# Change its value +example.cvar.Foo = 3.1415926 + +# See if the change took effect +print "Foo = ", example.cvar.Foo + + + + + + + + + |