author | laurent |
Wed, 09 Dec 2009 16:52:46 +0100 | |
changeset 491 | 28afed8b1af5 |
parent 430 | 5981ad8547f5 |
child 654 | 9f6c091c316c |
permissions | -rw-r--r-- |
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import wx |
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import os |
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import modules |
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from plugger import PlugTemplate, opjimg |
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from PythonEditor import PythonEditorFrame |
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from xml.dom import minidom |
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from xmlclass import * |
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import cPickle |
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PythonClasses = GenerateClassesFromXSD(os.path.join(os.path.dirname(__file__), "python_xsd.xsd")) |
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|
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#------------------------------------------------------------------------------- |
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# Undo Buffer for PythonCode |
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#------------------------------------------------------------------------------- |
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# Length of the buffer |
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UNDO_BUFFER_LENGTH = 20 |
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""" |
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Class implementing a buffer of changes made on the current editing model |
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""" |
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class UndoBuffer: |
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# Constructor initialising buffer |
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def __init__(self, currentstate, issaved = False): |
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self.Buffer = [] |
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self.CurrentIndex = -1 |
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self.MinIndex = -1 |
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self.MaxIndex = -1 |
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# if current state is defined |
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if currentstate: |
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self.CurrentIndex = 0 |
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self.MinIndex = 0 |
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self.MaxIndex = 0 |
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# Initialising buffer with currentstate at the first place |
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for i in xrange(UNDO_BUFFER_LENGTH): |
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if i == 0: |
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self.Buffer.append(currentstate) |
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else: |
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self.Buffer.append(None) |
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# Initialising index of state saved |
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if issaved: |
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self.LastSave = 0 |
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else: |
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self.LastSave = -1 |
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# Add a new state in buffer |
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def Buffering(self, currentstate): |
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self.CurrentIndex = (self.CurrentIndex + 1) % UNDO_BUFFER_LENGTH |
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self.Buffer[self.CurrentIndex] = currentstate |
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# Actualising buffer limits |
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self.MaxIndex = self.CurrentIndex |
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if self.MinIndex == self.CurrentIndex: |
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# If the removed state was the state saved, there is no state saved in the buffer |
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if self.LastSave == self.MinIndex: |
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self.LastSave = -1 |
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self.MinIndex = (self.MinIndex + 1) % UNDO_BUFFER_LENGTH |
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self.MinIndex = max(self.MinIndex, 0) |
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# Return current state of buffer |
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def Current(self): |
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return self.Buffer[self.CurrentIndex] |
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# Change current state to previous in buffer and return new current state |
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def Previous(self): |
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if self.CurrentIndex != self.MinIndex: |
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self.CurrentIndex = (self.CurrentIndex - 1) % UNDO_BUFFER_LENGTH |
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return self.Buffer[self.CurrentIndex] |
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return None |
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# Change current state to next in buffer and return new current state |
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def Next(self): |
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if self.CurrentIndex != self.MaxIndex: |
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self.CurrentIndex = (self.CurrentIndex + 1) % UNDO_BUFFER_LENGTH |
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return self.Buffer[self.CurrentIndex] |
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return None |
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# Return True if current state is the first in buffer |
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def IsFirst(self): |
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return self.CurrentIndex == self.MinIndex |
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# Return True if current state is the last in buffer |
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def IsLast(self): |
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return self.CurrentIndex == self.MaxIndex |
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# Note that current state is saved |
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def CurrentSaved(self): |
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self.LastSave = self.CurrentIndex |
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# Return True if current state is saved |
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def IsCurrentSaved(self): |
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return self.LastSave == self.CurrentIndex |
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class PythonCodeTemplate: |
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def __init__(self): |
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self.PluginMethods.insert(0, |
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{"bitmap" : opjimg("editPYTHONcode"), |
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"name" : _("Edit Python File"), |
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"tooltip" : _("Edit Python File"), |
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"method" : "_OpenView"}, |
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) |
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filepath = self.PythonFileName() |
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self.Buffering = False |
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self.PythonCode = PythonClasses["Python"]() |
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self.PythonBuffer = UndoBuffer(self.Copy(self.PythonCode), False) |
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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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self.PythonCode.loadXMLTree(child, ["xmlns", "xmlns:xsi", "xsi:schemaLocation"]) |
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self.PythonBuffer = UndoBuffer(self.Copy(self.PythonCode), True) |
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else: |
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self.OnPlugSave() |
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def PluginPath(self): |
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return os.path.join(self.PlugParent.PluginPath(), "modules", self.PlugType) |
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def PythonFileName(self): |
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return os.path.join(self.PlugPath(), "python.xml") |
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def GetFilename(self): |
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if self.PythonBuffer.IsCurrentSaved(): |
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return "python" |
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else: |
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return "~python~" |
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def SetPythonCode(self, text): |
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self.PythonCode.settext(text) |
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def GetPythonCode(self): |
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return self.PythonCode.gettext() |
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|
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_View = None |
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def _OpenView(self): |
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if not self._View: |
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open_pyeditor = True |
145 |
has_permissions = self.GetPlugRoot().CheckProjectPathPerm() |
|
146 |
if not has_permissions: |
|
147 |
dialog = wx.MessageDialog(self.GetPlugRoot().AppFrame, |
|
148 |
_("You don't have write permissions.\nOpen PythonEditor anyway ?"), |
|
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_("Open PythonEditor"), |
|
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wx.YES_NO|wx.ICON_QUESTION) |
|
151 |
open_pyeditor = dialog.ShowModal() == wx.ID_YES |
|
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dialog.Destroy() |
|
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if open_pyeditor: |
|
154 |
def _onclose(): |
|
155 |
self._View = None |
|
156 |
if has_permissions: |
|
157 |
def _onsave(): |
|
158 |
self.GetPlugRoot().SaveProject() |
|
159 |
else: |
|
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def _onsave(): |
|
161 |
pass |
|
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self._View = PythonEditorFrame(self.GetPlugRoot().AppFrame, self) |
|
163 |
self._View._onclose = _onclose |
|
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self._View._onsave = _onsave |
|
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self._View.Show() |
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|
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def OnPlugSave(self): |
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filepath = self.PythonFileName() |
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|
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text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" |
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extras = {"xmlns":"http://www.w3.org/2001/XMLSchema", |
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"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance", |
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"xsi:schemaLocation" : "python_xsd.xsd"} |
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text += self.PythonCode.generateXMLText("Python", 0, extras) |
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|
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xmlfile = open(filepath,"w") |
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xmlfile.write(text.encode("utf-8")) |
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xmlfile.close() |
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|
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self.PythonBuffer.CurrentSaved() |
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return True |
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#------------------------------------------------------------------------------- |
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# Current Buffering Management Functions |
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#------------------------------------------------------------------------------- |
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|
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""" |
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Return a copy of the project |
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""" |
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def Copy(self, model): |
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return cPickle.loads(cPickle.dumps(model)) |
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|
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def BufferPython(self): |
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self.PythonBuffer.Buffering(self.Copy(self.PythonCode)) |
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|
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def StartBuffering(self): |
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self.PythonBuffer.Buffering(self.PythonCode) |
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self.Buffering = True |
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|
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def EndBuffering(self): |
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if self.Buffering: |
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self.PythonCode = self.Copy(self.PythonCode) |
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self.Buffering = False |
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204 |
|
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def PythonCodeIsSaved(self): |
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if self.PythonBuffer: |
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207 |
return self.PythonBuffer.IsCurrentSaved() |
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208 |
else: |
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209 |
return True |
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210 |
|
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def LoadPrevious(self): |
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212 |
self.PythonCode = self.Copy(self.PythonBuffer.Previous()) |
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213 |
|
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214 |
def LoadNext(self): |
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215 |
self.PythonCode = self.Copy(self.PythonBuffer.Next()) |
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216 |
|
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217 |
def GetBufferState(self): |
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218 |
first = self.PythonBuffer.IsFirst() |
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last = self.PythonBuffer.IsLast() |
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return not first, not last |
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221 |
|
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222 |
def _GetClassFunction(name): |
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223 |
def GetRootClass(): |
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224 |
__import__("plugins.python.modules." + name) |
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225 |
return getattr(modules, name).RootClass |
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226 |
return GetRootClass |
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227 |
|
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228 |
class RootClass(PythonCodeTemplate): |
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229 |
|
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# For root object, available Childs Types are modules of the modules packages. |
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231 |
PlugChildsTypes = [(name, _GetClassFunction(name), help) for name, help in zip(modules.__all__,modules.helps)] |
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232 |
|
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233 |
def PluginPath(self): |
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234 |
return os.path.join(self.PlugParent.PluginPath(), self.PlugType) |
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235 |
|
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236 |
def PlugGenerate_C(self, buildpath, locations): |
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237 |
""" |
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238 |
Generate C code |
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239 |
@param current_location: Tupple containing plugin IEC location : %I0.0.4.5 => (0,0,4,5) |
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240 |
@param locations: List of complete variables locations \ |
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241 |
[{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...) |
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242 |
"NAME" : name of the variable (generally "__IW0_1_2" style) |
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243 |
"DIR" : direction "Q","I" or "M" |
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244 |
"SIZE" : size "X", "B", "W", "D", "L" |
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245 |
"LOC" : tuple of interger for IEC location (0,1,2,...) |
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246 |
}, ...] |
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247 |
@return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND |
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248 |
""" |
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249 |
current_location = self.GetCurrentLocation() |
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250 |
# define a unique name for the generated C file |
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251 |
location_str = "_".join(map(lambda x:str(x), current_location)) |
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252 |
|
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253 |
plugin_root = self.GetPlugRoot() |
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254 |
plugin_root.GetIECProgramsAndVariables() |
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255 |
|
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256 |
plc_python_filepath = os.path.join(os.path.split(__file__)[0], "plc_python.c") |
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plc_python_file = open(plc_python_filepath, 'r') |
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258 |
plc_python_code = plc_python_file.read() |
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259 |
plc_python_file.close() |
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260 |
python_eval_fb_list = [] |
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261 |
for v in plugin_root._VariablesList: |
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262 |
if v["vartype"] == "FB" and v["type"] in ["PYTHON_EVAL","PYTHON_POLL"]: |
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263 |
python_eval_fb_list.append(v) |
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264 |
python_eval_fb_count = max(1, len(python_eval_fb_list)) |
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265 |
|
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266 |
# prepare python code |
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267 |
plc_python_code = plc_python_code % { |
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268 |
"python_eval_fb_count": python_eval_fb_count, |
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269 |
"location": location_str} |
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270 |
|
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Gen_Pythonfile_path = os.path.join(buildpath, "python_%s.c"%location_str) |
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pythonfile = open(Gen_Pythonfile_path,'w') |
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pythonfile.write(plc_python_code) |
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274 |
pythonfile.close() |
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|
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runtimefile_path = os.path.join(buildpath, "runtime_%s.py"%location_str) |
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runtimefile = open(runtimefile_path, 'w') |
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278 |
runtimefile.write(self.GetPythonCode()) |
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279 |
runtimefile.close() |
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280 |
|
418 | 281 |
matiec_flags = '"-I%s"'%os.path.abspath(self.GetPlugRoot().GetIECLibPath()) |
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|
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283 |
return [(Gen_Pythonfile_path, matiec_flags)], "", True, ("runtime_%s.py"%location_str, file(runtimefile_path,"rb")) |