author | laurent |
Fri, 02 Aug 2013 08:58:09 +0900 | |
changeset 1282 | f427352f9727 |
parent 1160 | e9e9d3193894 |
child 1315 | ff14a66bbd12 |
permissions | -rw-r--r-- |
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import os |
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from PLCControler import UndoBuffer |
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from PythonEditor import PythonEditor |
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from xml.dom import minidom |
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from xmlclass import GenerateClassesFromXSD |
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import cPickle |
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from CodeFileTreeNode import CodeFile |
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PythonClasses = GenerateClassesFromXSD(os.path.join(os.path.dirname(__file__), "py_ext_xsd.xsd")) |
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class PythonFileCTNMixin(CodeFile): |
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CODEFILE_NAME = "PyFile" |
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SECTIONS_NAMES = [ |
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"globals", |
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"init", |
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"cleanup", |
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"start", |
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"stop"] |
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EditorType = PythonEditor |
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def __init__(self): |
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CodeFile.__init__(self) |
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filepath = self.PythonFileName() |
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python_code = PythonClasses["Python"]() |
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if os.path.isfile(filepath): |
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xmlfile = open(filepath, 'r') |
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tree = minidom.parse(xmlfile) |
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xmlfile.close() |
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for child in tree.childNodes: |
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if child.nodeType == tree.ELEMENT_NODE and child.nodeName == "Python": |
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python_code.loadXMLTree(child, ["xmlns", "xmlns:xsi", "xsi:schemaLocation"]) |
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self.CodeFile.globals.settext(python_code.gettext()) |
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os.remove(filepath) |
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self.CreateCodeFileBuffer(False) |
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self.OnCTNSave() |
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def CodeFileName(self): |
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return os.path.join(self.CTNPath(), "pyfile.xml") |
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def PythonFileName(self): |
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return os.path.join(self.CTNPath(), "py_ext.xml") |
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PreSectionsTexts = {} |
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PostSectionsTexts = {} |
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def GetSection(self,section): |
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return self.PreSectionsTexts.get(section,"") + "\n" + \ |
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getattr(self.CodeFile, section).gettext() + "\n" + \ |
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self.PostSectionsTexts.get(section,"") |
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def CTNGenerate_C(self, buildpath, locations): |
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# location string for that CTN |
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location_str = "_".join(map(lambda x:str(x), |
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self.GetCurrentLocation())) |
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configname = self.GetCTRoot().GetProjectConfigNames()[0] |
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# python side PLC global variables access stub |
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globalstubs = "\n".join(["""\ |
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_%(name)s_ctype, _%(name)s_unpack, _%(name)s_pack = \\ |
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TypeTranslator["%(IECtype)s"] |
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_PySafeGetPLCGlob_%(name)s = PLCBinary.__SafeGetPLCGlob_%(name)s |
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_PySafeGetPLCGlob_%(name)s.restype = None |
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_PySafeGetPLCGlob_%(name)s.argtypes = [ctypes.POINTER(_%(name)s_ctype)] |
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_PySafeSetPLCGlob_%(name)s = PLCBinary.__SafeSetPLCGlob_%(name)s |
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_PySafeSetPLCGlob_%(name)s.restype = None |
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_PySafeSetPLCGlob_%(name)s.argtypes = [ctypes.POINTER(_%(name)s_ctype)] |
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""" % { "name": variable.getname(), |
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"configname": configname.upper(), |
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"uppername": variable.getname().upper(), |
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"IECtype": variable.gettype()} |
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for variable in self.CodeFile.variables.variable]) |
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# Runtime calls (start, stop, init, and cleanup) |
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rtcalls = "" |
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for section in self.SECTIONS_NAMES: |
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if section != "globals": |
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rtcalls += "def _runtime_%s_%s():\n" % (location_str, section) |
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sectiontext = self.GetSection(section).strip() |
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if sectiontext: |
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rtcalls += ' ' + \ |
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sectiontext.replace('\n', '\n ')+"\n\n" |
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else: |
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rtcalls += " pass\n\n" |
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globalsection = self.GetSection("globals") |
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PyFileContent = """\ |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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## Code generated by Beremiz python mixin confnode |
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## |
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## Code for PLC global variable access |
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from targets.typemapping import TypeTranslator |
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import ctypes |
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%(globalstubs)s |
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## User code in "global" scope |
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%(globalsection)s |
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## Beremiz python runtime calls |
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%(rtcalls)s |
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""" % locals() |
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|
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# write generated content to python file |
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runtimefile_path = os.path.join(buildpath, |
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"runtime_%s.py"%location_str) |
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runtimefile = open(runtimefile_path, 'w') |
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runtimefile.write(PyFileContent.encode('utf-8')) |
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runtimefile.close() |
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# C code for safe global variables access |
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vardecfmt = """\ |
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extern __IEC_%(IECtype)s_t %(configname)s__%(uppername)s; |
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IEC_%(IECtype)s __%(name)s_rbuffer = __INIT_%(IECtype)s; |
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IEC_%(IECtype)s __%(name)s_wbuffer; |
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Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
126 |
long __%(name)s_rlock = 0; |
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127 |
long __%(name)s_wlock = 0; |
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128 |
int __%(name)s_wbuffer_written = 0; |
1154
da9ccfceff31
Fixed build error with python <-> PLCglobals variables declared with no initial value
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|
129 |
void __SafeGetPLCGlob_%(name)s(IEC_%(IECtype)s *pvalue){ |
1144
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|
130 |
while(AtomicCompareExchange(&__%(name)s_rlock, 0, 1)); |
1145
203f4eff3313
Fixed PLC global var access from python. Added test in tests/python
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|
131 |
*pvalue = __%(name)s_rbuffer; |
1144
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|
132 |
AtomicCompareExchange((long*)&__%(name)s_rlock, 1, 0); |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
133 |
} |
1160
e9e9d3193894
Fixed GCC warnings when building stub code for python PLC globals access
Edouard Tisserant
parents:
1154
diff
changeset
|
134 |
void __SafeSetPLCGlob_%(name)s(IEC_%(IECtype)s *value){ |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
135 |
while(AtomicCompareExchange(&__%(name)s_wlock, 0, 1)); |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
136 |
__%(name)s_wbuffer = *value; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
137 |
__%(name)s_wbuffer_written = 1; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
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changeset
|
138 |
AtomicCompareExchange((long*)&__%(name)s_wlock, 1, 0); |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
139 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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|
140 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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parents:
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diff
changeset
|
141 |
""" |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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changeset
|
142 |
varretfmt = """\ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
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changeset
|
143 |
if(!AtomicCompareExchange(&__%(name)s_wlock, 0, 1)){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
144 |
if(__%(name)s_wbuffer_written == 1){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
145 |
%(configname)s__%(uppername)s.value = __%(name)s_wbuffer; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
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changeset
|
146 |
__%(name)s_wbuffer_written = 0; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
147 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
148 |
AtomicCompareExchange((long*)&__%(name)s_wlock, 1, 0); |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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|
149 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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diff
changeset
|
150 |
""" |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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diff
changeset
|
151 |
varpubfmt = """\ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
152 |
if(!AtomicCompareExchange(&__%(name)s_rlock, 0, 1)){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
153 |
__%(name)s_rbuffer = %(configname)s__%(uppername)s.value; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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diff
changeset
|
154 |
AtomicCompareExchange((long*)&__%(name)s_rlock, 1, 0); |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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changeset
|
155 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
156 |
""" |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
157 |
|
1148
d0e40e99f422
Fixed bug when generating py_ext code when no variable defined
Laurent Bessard
parents:
1145
diff
changeset
|
158 |
var_str = map("\n".join, zip(*[ |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
159 |
map(lambda f : f % varinfo, |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
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diff
changeset
|
160 |
(vardecfmt, varretfmt, varpubfmt)) |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
161 |
for varinfo in map(lambda variable : { |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
162 |
"name": variable.getname(), |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
163 |
"configname": configname.upper(), |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
164 |
"uppername": variable.getname().upper(), |
1154
da9ccfceff31
Fixed build error with python <-> PLCglobals variables declared with no initial value
Edouard Tisserant
parents:
1148
diff
changeset
|
165 |
"IECtype": variable.gettype()}, |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
166 |
self.CodeFile.variables.variable)])) |
1148
d0e40e99f422
Fixed bug when generating py_ext code when no variable defined
Laurent Bessard
parents:
1145
diff
changeset
|
167 |
if len(var_str) > 0: |
d0e40e99f422
Fixed bug when generating py_ext code when no variable defined
Laurent Bessard
parents:
1145
diff
changeset
|
168 |
vardec, varret, varpub = var_str |
d0e40e99f422
Fixed bug when generating py_ext code when no variable defined
Laurent Bessard
parents:
1145
diff
changeset
|
169 |
else: |
d0e40e99f422
Fixed bug when generating py_ext code when no variable defined
Laurent Bessard
parents:
1145
diff
changeset
|
170 |
vardec = varret = varpub = "" |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
171 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
172 |
PyCFileContent = """\ |
1132
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
173 |
/* |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
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diff
changeset
|
174 |
* Code generated by Beremiz py_ext confnode |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
175 |
* for safe global variables access |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
176 |
*/ |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
177 |
#include "iec_types_all.h" |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
178 |
#include "beremiz.h" |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
179 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
180 |
/* User variables reference */ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
181 |
%(vardec)s |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
182 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
183 |
/* Beremiz confnode functions */ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
184 |
int __init_%(location_str)s(int argc,char **argv){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
185 |
return 0; |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
186 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
187 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
188 |
void __cleanup_%(location_str)s(void){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
189 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
190 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
191 |
void __retrieve_%(location_str)s(void){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
192 |
%(varret)s |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
193 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
194 |
|
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
195 |
void __publish_%(location_str)s(void){ |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
196 |
%(varpub)s |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
197 |
} |
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
198 |
""" % locals() |
1132
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
199 |
|
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
200 |
Gen_PyCfile_path = os.path.join(buildpath, "PyCFile_%s.c"%location_str) |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
201 |
pycfile = open(Gen_PyCfile_path,'w') |
1144
21475ee0e688
Added stub code and declarations for bidirectional access to PLC globals from python code (untested)
Edouard Tisserant
parents:
1132
diff
changeset
|
202 |
pycfile.write(PyCFileContent) |
1132
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
203 |
pycfile.close() |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
204 |
|
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
205 |
matiec_flags = '"-I%s"'%os.path.abspath( |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
206 |
self.GetCTRoot().GetIECLibPath()) |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
207 |
|
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
208 |
return ([(Gen_PyCfile_path, matiec_flags)], |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
209 |
"", |
1145
203f4eff3313
Fixed PLC global var access from python. Added test in tests/python
Edouard Tisserant
parents:
1144
diff
changeset
|
210 |
True, |
1132
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
211 |
("runtime_%s.py"%location_str, file(runtimefile_path,"rb"))) |
28f96aa9c070
Rewrote py_ext and wxglade generators in a clean factored way, added C skeleton for python access to PLC global vars
Edouard Tisserant
parents:
1124
diff
changeset
|
212 |