author | Edouard Tisserant |
Mon, 12 Aug 2019 13:09:55 +0200 | |
branch | svghmi |
changeset 2756 | f94bc35a023e |
parent 2753 | 9a7e12e96399 |
child 2757 | c901baa36bb3 |
permissions | -rw-r--r-- |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# This file is part of Beremiz |
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# Copyright (C) 2019: Edouard TISSERANT |
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# |
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# See COPYING file for copyrights details. |
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from __future__ import absolute_import |
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import os |
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import shutil |
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import wx |
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import util.paths as paths |
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from POULibrary import POULibrary |
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from docutil import open_svg, get_inkscape_path |
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from lxml import etree |
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from util.ProcessLogger import ProcessLogger |
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HMI_TYPES_DESC = { |
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"HMI_CLASS":{}, |
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"HMI_LABEL":{}, |
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"HMI_STRING":{}, |
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"HMI_INT":{}, |
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"HMI_REAL":{} |
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} |
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HMI_TYPES = HMI_TYPES_DESC.keys() |
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from XSLTransform import XSLTransform |
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ScriptDirectory = paths.AbsDir(__file__) |
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class SVGHMILibrary(POULibrary): |
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def GetLibraryPath(self): |
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return paths.AbsNeighbourFile(__file__, "pous.xml") |
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def Generate_C(self, buildpath, varlist, IECCFLAGS): |
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# Filter known HMI types |
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hmi_types_instances = [v for v in varlist if v["derived"] in HMI_TYPES] |
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# TODO deduce HMI tree |
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# TODO generate C code to observe/access HMI tree variables |
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svghmi_c_filepath = paths.AbsNeighbourFile(__file__, "svghmi.c") |
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svghmi_c_file = open(svghmi_c_filepath, 'r') |
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svghmi_c_code = svghmi_c_file.read() |
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svghmi_c_file.close() |
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svghmi_c_code = svghmi_c_code % { "hmi_tree": "TODO !!!"} |
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gen_svghmi_c_path = os.path.join(buildpath, "svghmi.c") |
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gen_svghmi_c = open(gen_svghmi_c_path, 'w') |
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gen_svghmi_c.write(svghmi_c_code) |
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gen_svghmi_c.close() |
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return (["svghmi"], [(gen_svghmi_c_path, IECCFLAGS)], True), "" |
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class SVGHMI(object): |
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XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?> |
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<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> |
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<xsd:element name="SVGHMI"> |
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<xsd:complexType> |
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<xsd:attribute name="enableHTTP" type="xsd:boolean" use="optional" default="false"/> |
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<xsd:attribute name="bindAddress" type="xsd:string" use="optional" default="localhost"/> |
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<xsd:attribute name="port" type="xsd:string" use="optional" default="8080"/> |
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</xsd:complexType> |
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</xsd:element> |
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</xsd:schema> |
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""" |
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ConfNodeMethods = [ |
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{ |
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"bitmap": "ImportSVG", |
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"name": _("Import SVG"), |
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"tooltip": _("Import SVG"), |
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"method": "_ImportSVG" |
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}, |
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{ |
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"bitmap": "ImportSVG", # should be something different |
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"name": _("Inkscape"), |
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"tooltip": _("Edit HMI"), |
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"method": "_StartInkscape" |
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}, |
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] |
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def _getSVGpath(self, project_path=None): |
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if project_path is None: |
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project_path = self.CTNPath() |
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# define name for SVG file containing gui layout |
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return os.path.join(project_path, "gui.svg") |
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def OnCTNSave(self, from_project_path=None): |
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if from_project_path is not None: |
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shutil.copyfile(self._getSVGpath(from_project_path), |
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self._getSVGpath()) |
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return True |
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def GetSVGGeometry(self): |
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# invoke inskscape -S, csv-parse output, produce elements |
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InkscapeGeomColumns = ["Id", "x", "y", "w", "h"] |
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# TODO : move following line to __init__ |
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inkpath = get_inkscape_path() |
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svgpath = self._getSVGpath() |
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_status, result, _err_result = ProcessLogger(None, |
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inkpath + " -S " + svgpath, |
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no_stdout=True, |
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no_stderr=True).spin() |
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res = [] |
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for line in result.split(): |
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strippedline = line.strip() |
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attrs = dict( |
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zip(InkscapeGeomColumns, line.strip().split(','))) |
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res.append(etree.Element("bbox", **attrs)) |
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return res |
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def CTNGenerate_C(self, buildpath, locations): |
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""" |
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Return C code generated by iec2c compiler |
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when _generate_softPLC have been called |
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@param locations: ignored |
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@return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND |
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""" |
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# TODO fetch HMI tree from library |
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svgfile = self._getSVGpath() |
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if os.path.exists(svgfile): |
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# TODO : move to __init__ |
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transform = XSLTransform(os.path.join(ScriptDirectory, "gen_index_xhtml.xslt"), |
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[("GetSVGGeometry", lambda *_ignored:self.GetSVGGeometry())]) |
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# load svg as a DOM with Etree |
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svgdom = etree.parse(svgfile) |
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# call xslt transform on Inkscape's SVG to generate XHTML |
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result = transform.transform(svgdom) |
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print(str(result)) |
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print(transform.xslt.error_log) |
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# TODO |
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# - Errors on HMI semantics |
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# - ... maybe something to have a global view of what is declared in SVG. |
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else: |
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# TODO : use default svg that expose the HMI tree as-is |
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156 |
pass |
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res = ([], "", False) |
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targetpath = os.path.join(self._getBuildPath(), "target.xhtml") |
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targetfile = open(targetpath, 'w') |
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# TODO : DOM to string |
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targetfile.write("TODO") |
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targetfile.close() |
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res += (("target.js", open(targetpath, "rb")),) |
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169 |
# TODO add C code to expose HMI tree variables to shared memory |
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# TODO generate a description of shared memory (xml or CSV) |
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# that can be loaded by svghmi QTWeb* app or svghmi server |
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return res |
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def _ImportSVG(self): |
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177 |
dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "", _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN) |
|
178 |
if dialog.ShowModal() == wx.ID_OK: |
|
179 |
svgpath = dialog.GetPath() |
|
180 |
if os.path.isfile(svgpath): |
|
181 |
shutil.copy(svgpath, self._getSVGpath()) |
|
182 |
else: |
|
183 |
self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath) |
|
184 |
dialog.Destroy() |
|
185 |
||
186 |
def _StartInkscape(self): |
|
187 |
svgfile = self._getSVGpath() |
|
188 |
open_inkscape = True |
|
189 |
if not self.GetCTRoot().CheckProjectPathPerm(): |
|
190 |
dialog = wx.MessageDialog(self.GetCTRoot().AppFrame, |
|
191 |
_("You don't have write permissions.\nOpen Inkscape anyway ?"), |
|
192 |
_("Open Inkscape"), |
|
193 |
wx.YES_NO | wx.ICON_QUESTION) |
|
194 |
open_inkscape = dialog.ShowModal() == wx.ID_YES |
|
195 |
dialog.Destroy() |
|
196 |
if open_inkscape: |
|
197 |
if not os.path.isfile(svgfile): |
|
198 |
svgfile = None |
|
199 |
open_svg(svgfile) |