author | Edouard Tisserant |
Thu, 10 Oct 2019 10:03:47 +0200 | |
branch | svghmi |
changeset 2796 | c7a22ce8c156 |
parent 2789 | ba0dd2ec6dc4 |
child 2812 | 68ac5bf43525 |
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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from itertools import izip, imap |
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from pprint import pprint, pformat |
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import hashlib |
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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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from runtime.typemapping import DebugTypesSize |
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import targets |
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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 HMITreeNode(object): |
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def __init__(self, path, name, nodetype, iectype = None, vartype = None): |
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self.path = path |
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self.name = name |
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self.nodetype = nodetype |
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if iectype is not None: |
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self.iectype = iectype |
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self.vartype = vartype |
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if nodetype in ["HMI_LABEL", "HMI_ROOT"]: |
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self.children = [] |
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def pprint(self, indent = 0): |
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res = ">"*indent + pformat(self.__dict__, indent = indent, depth = 1) + "\n" |
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if hasattr(self, "children"): |
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res += "\n".join([child.pprint(indent = indent + 1) |
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for child in self.children]) |
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res += "\n" |
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return res |
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def place_node(self, node): |
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best_child = None |
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known_best_match = 0 |
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for child in self.children : |
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if child.path is not None: |
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in_common = 0 |
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for child_path_item, node_path_item in izip(child.path, node.path): |
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if child_path_item == node_path_item: |
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in_common +=1 |
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else: |
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break |
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if in_common > known_best_match: |
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known_best_match = in_common |
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best_child = child |
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if best_child is not None and best_child.nodetype == "HMI_LABEL": |
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best_child.place_node(node) |
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else: |
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self.children.append(node) |
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def etree(self, add_hash=False): |
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attribs = dict(name=self.name) |
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if self.path is not None: |
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attribs["path"] = ".".join(self.path) |
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if add_hash: |
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attribs["hash"] = ",".join(map(str,self.hash())) |
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res = etree.Element(self.nodetype, **attribs) |
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if hasattr(self, "children"): |
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for child_etree in imap(lambda c:c.etree(), self.children): |
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res.append(child_etree) |
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return res |
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def traverse(self): |
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yield self |
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if hasattr(self, "children"): |
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for c in self.children: |
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for yoodl in c.traverse(): |
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yield yoodl |
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def hash(self): |
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107 |
""" Produce a hash, any change in HMI tree structure change that hash """ |
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108 |
s = hashlib.new('md5') |
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109 |
self._hash(s) |
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# limit size to HMI_HASH_SIZE as in svghmi.c |
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return map(ord,s.digest())[:8] |
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112 |
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def _hash(self, s): |
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s.update(str((self.name,self.nodetype))) |
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if hasattr(self, "children"): |
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for c in self.children: |
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c._hash(s) |
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# module scope for HMITree root |
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# so that CTN can use HMITree deduced in Library |
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121 |
# note: this only works because library's Generate_C is |
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122 |
# systematicaly invoked before CTN's CTNGenerate_C |
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|
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124 |
hmi_tree_root = None |
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125 |
|
2745 | 126 |
class SVGHMILibrary(POULibrary): |
127 |
def GetLibraryPath(self): |
|
2750 | 128 |
return paths.AbsNeighbourFile(__file__, "pous.xml") |
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|
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130 |
def Generate_C(self, buildpath, varlist, IECCFLAGS): |
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global hmi_tree_root, hmi_tree_unique_id |
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132 |
|
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133 |
""" |
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134 |
PLC Instance Tree: |
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135 |
prog0 |
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136 |
+->v1 HMI_INT |
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137 |
+->v2 HMI_INT |
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138 |
+->fb0 (type mhoo) |
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139 |
| +->va HMI_LABEL |
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140 |
| +->v3 HMI_INT |
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141 |
| +->v4 HMI_INT |
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|
142 |
| |
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143 |
+->fb1 (type mhoo) |
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144 |
| +->va HMI_LABEL |
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|
145 |
| +->v3 HMI_INT |
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146 |
| +->v4 HMI_INT |
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|
147 |
| |
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148 |
+->fb2 |
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149 |
+->v5 HMI_IN |
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|
150 |
|
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|
151 |
HMI tree: |
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152 |
hmi0 |
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153 |
+->v1 |
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154 |
+->v2 |
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155 |
+->fb0_va |
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|
156 |
| +-> v3 |
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157 |
| +-> v4 |
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|
158 |
| |
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|
159 |
+->fb1_va |
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|
160 |
| +-> v3 |
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|
161 |
| +-> v4 |
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|
162 |
| |
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163 |
+->v5 |
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|
164 |
|
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|
165 |
""" |
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|
166 |
|
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167 |
# Filter known HMI types |
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|
168 |
hmi_types_instances = [v for v in varlist if v["derived"] in HMI_TYPES] |
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|
169 |
|
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|
170 |
hmi_tree_root = HMITreeNode(None, "/", "HMI_ROOT") |
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|
171 |
|
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|
172 |
# add special nodes |
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|
173 |
map(lambda (n,t): hmi_tree_root.children.append(HMITreeNode(None,n,t)), [ |
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|
174 |
("plc_status", "HMI_PLC_STATUS"), |
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|
175 |
("current_page", "HMI_CURRENT_PAGE")]) |
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|
176 |
|
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|
177 |
# deduce HMI tree from PLC HMI_* instances |
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|
178 |
for v in hmi_types_instances: |
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|
179 |
path = v["C_path"].split(".") |
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|
180 |
# ignores variables starting with _TMP_ |
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|
181 |
if path[-1].startswith("_TMP_"): |
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|
182 |
continue |
2764
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|
183 |
new_node = HMITreeNode(path, path[-1], v["derived"], v["type"], v["vartype"]) |
2757
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|
184 |
hmi_tree_root.place_node(new_node) |
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|
185 |
|
2764
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|
186 |
variable_decl_array = [] |
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|
187 |
extern_variables_declarations = [] |
2765
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|
188 |
buf_index = 0 |
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|
189 |
item_count = 0 |
2764
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|
190 |
for node in hmi_tree_root.traverse(): |
2788
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|
191 |
if hasattr(node, "iectype") and \ |
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SVGHMI: Work in progress. C side mostly implemented, neither built nor tested.
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|
192 |
node.nodetype not in ["HMI_CLASS", "HMI_LABEL"]: |
2764
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|
193 |
sz = DebugTypesSize.get(node.iectype, 0) |
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|
194 |
variable_decl_array += [ |
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|
195 |
"{&(" + ".".join(node.path) + "), " + node.iectype + { |
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|
196 |
"EXT": "_P_ENUM", |
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|
197 |
"IN": "_P_ENUM", |
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|
198 |
"MEM": "_O_ENUM", |
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|
199 |
"OUT": "_O_ENUM", |
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|
200 |
"VAR": "_ENUM" |
2765
887aba5ef178
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|
201 |
}[node.vartype] + ", " + |
2768
31785529a657
SVGHMI: Intermediate state while working on svghmi.c
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diff
changeset
|
202 |
str(buf_index) + ", 0, }"] |
2765
887aba5ef178
SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer.
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parents:
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changeset
|
203 |
buf_index += sz |
2775
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SVGHMI: WIP for python<->C data exchange
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|
204 |
item_count += 1 |
2764
b75cc2cf4e50
SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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changeset
|
205 |
if len(node.path) == 1: |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
206 |
extern_variables_declarations += [ |
b75cc2cf4e50
SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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diff
changeset
|
207 |
"extern __IEC_" + node.iectype + "_" + |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
208 |
"t" if node.vartype is "VAR" else "p" |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
209 |
+ ".".join(node.path) + ";"] |
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|
210 |
|
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
211 |
# TODO : filter only requiered external declarations |
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|
212 |
for v in varlist : |
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|
213 |
if v["C_path"].find('.') < 0 and v["vartype"] == "FB" : |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
214 |
extern_variables_declarations += [ |
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|
215 |
"extern %(type)s %(C_path)s;" % v] |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
216 |
|
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|
217 |
# TODO check if programs need to be declared separately |
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|
218 |
# "programs_declarations": "\n".join(["extern %(type)s %(C_path)s;" % |
b75cc2cf4e50
SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
219 |
# p for p in self._ProgramList]), |
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|
220 |
|
2771
361366b891ca
WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it.
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diff
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|
221 |
# C code to observe/access HMI tree variables |
2749
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|
222 |
svghmi_c_filepath = paths.AbsNeighbourFile(__file__, "svghmi.c") |
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|
223 |
svghmi_c_file = open(svghmi_c_filepath, 'r') |
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|
224 |
svghmi_c_code = svghmi_c_file.read() |
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|
225 |
svghmi_c_file.close() |
2764
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
226 |
svghmi_c_code = svghmi_c_code % { |
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|
227 |
"variable_decl_array": ",\n".join(variable_decl_array), |
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SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array.
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|
228 |
"extern_variables_declarations": "\n".join(extern_variables_declarations), |
2767
302347f48193
svghmi.c : deduplicated variable access code borrowed from plc_debug.c. Added targets/var_access.c.
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|
229 |
"buffer_size": buf_index, |
2775
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|
230 |
"item_count": item_count, |
2768
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|
231 |
"var_access_code": targets.GetCode("var_access.c"), |
2788
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SVGHMI: Work in progress. C side mostly implemented, neither built nor tested.
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|
232 |
"PLC_ticktime": self.GetCTR().GetTicktime(), |
2789 | 233 |
"hmi_hash_ints": ",".join(map(str,hmi_tree_root.hash())) |
2764
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|
234 |
} |
2749
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|
235 |
|
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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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240 |
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241 |
# Python based WebSocket HMITree Server |
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242 |
svghmiserverfile = open(paths.AbsNeighbourFile(__file__, "svghmi_server.py"), 'r') |
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243 |
svghmiservercode = svghmiserverfile.read() |
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svghmiserverfile.close() |
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245 |
|
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246 |
runtimefile_path = os.path.join(buildpath, "runtime_svghmi.py") |
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runtimefile = open(runtimefile_path, 'w') |
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248 |
runtimefile.write(svghmiservercode) |
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249 |
runtimefile.close() |
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250 |
|
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251 |
return ((["svghmi"], [(gen_svghmi_c_path, IECCFLAGS)], True), "", |
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252 |
("runtime_svghmi0.py", open(runtimefile_path, "rb"))) |
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|
254 |
class SVGHMI(object): |
|
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XSD = """<?xml version="1.0" encoding="utf-8" ?> |
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<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> |
257 |
<xsd:element name="SVGHMI"> |
|
258 |
<xsd:complexType> |
|
259 |
<xsd:attribute name="enableHTTP" type="xsd:boolean" use="optional" default="false"/> |
|
260 |
<xsd:attribute name="bindAddress" type="xsd:string" use="optional" default="localhost"/> |
|
261 |
<xsd:attribute name="port" type="xsd:string" use="optional" default="8080"/> |
|
262 |
</xsd:complexType> |
|
263 |
</xsd:element> |
|
264 |
</xsd:schema> |
|
265 |
""" |
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266 |
# TODO : add comma separated supported language list |
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|
268 |
ConfNodeMethods = [ |
|
269 |
{ |
|
270 |
"bitmap": "ImportSVG", |
|
271 |
"name": _("Import SVG"), |
|
272 |
"tooltip": _("Import SVG"), |
|
273 |
"method": "_ImportSVG" |
|
274 |
}, |
|
275 |
{ |
|
276 |
"bitmap": "ImportSVG", # should be something different |
|
277 |
"name": _("Inkscape"), |
|
278 |
"tooltip": _("Edit HMI"), |
|
279 |
"method": "_StartInkscape" |
|
280 |
}, |
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281 |
|
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282 |
# TODO : Launch POEdit button |
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283 |
# PO -> SVG layers button |
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284 |
# SVG layers -> PO |
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285 |
|
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286 |
# TODO : HMITree button |
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287 |
# - can drag'n'drop variabes to Inkscape |
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288 |
|
2745 | 289 |
] |
290 |
||
291 |
def _getSVGpath(self, project_path=None): |
|
292 |
if project_path is None: |
|
293 |
project_path = self.CTNPath() |
|
2781 | 294 |
return os.path.join(project_path, "svghmi.svg") |
2745 | 295 |
|
296 |
||
297 |
def OnCTNSave(self, from_project_path=None): |
|
298 |
if from_project_path is not None: |
|
299 |
shutil.copyfile(self._getSVGpath(from_project_path), |
|
300 |
self._getSVGpath()) |
|
2750 | 301 |
return True |
2745 | 302 |
|
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303 |
def GetSVGGeometry(self): |
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304 |
# invoke inskscape -S, csv-parse output, produce elements |
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305 |
InkscapeGeomColumns = ["Id", "x", "y", "w", "h"] |
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306 |
|
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307 |
inkpath = get_inkscape_path() |
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308 |
svgpath = self._getSVGpath() |
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309 |
_status, result, _err_result = ProcessLogger(None, |
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310 |
inkpath + " -S " + svgpath, |
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311 |
no_stdout=True, |
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312 |
no_stderr=True).spin() |
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313 |
res = [] |
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314 |
for line in result.split(): |
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315 |
strippedline = line.strip() |
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316 |
attrs = dict( |
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317 |
zip(InkscapeGeomColumns, line.strip().split(','))) |
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|
318 |
|
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|
319 |
res.append(etree.Element("bbox", **attrs)) |
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|
320 |
|
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|
321 |
return res |
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|
322 |
|
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323 |
def GetHMITree(self): |
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324 |
global hmi_tree_root |
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325 |
res = [hmi_tree_root.etree(add_hash=True)] |
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326 |
return res |
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|
327 |
|
2745 | 328 |
def CTNGenerate_C(self, buildpath, locations): |
329 |
""" |
|
330 |
Return C code generated by iec2c compiler |
|
331 |
when _generate_softPLC have been called |
|
332 |
@param locations: ignored |
|
333 |
@return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND |
|
334 |
""" |
|
335 |
||
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336 |
location_str = "_".join(map(str, self.GetCurrentLocation())) |
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337 |
view_name = self.BaseParams.getName() |
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338 |
|
2745 | 339 |
svgfile = self._getSVGpath() |
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340 |
|
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341 |
res = ([], "", False) |
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342 |
|
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|
343 |
target_fname = "sghmi_"+location_str+".xhtml" |
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344 |
|
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345 |
target_path = os.path.join(self._getBuildPath(), target_fname) |
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346 |
target_file = open(target_path, 'w') |
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347 |
|
2745 | 348 |
if os.path.exists(svgfile): |
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|
349 |
|
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|
350 |
# TODO : move to __init__ |
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|
351 |
transform = XSLTransform(os.path.join(ScriptDirectory, "gen_index_xhtml.xslt"), |
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|
352 |
[("GetSVGGeometry", lambda *_ignored:self.GetSVGGeometry()), |
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|
353 |
("GetHMITree", lambda *_ignored:self.GetHMITree())]) |
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|
354 |
|
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|
355 |
|
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|
356 |
# load svg as a DOM with Etree |
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|
357 |
svgdom = etree.parse(svgfile) |
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|
358 |
|
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|
359 |
# call xslt transform on Inkscape's SVG to generate XHTML |
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|
360 |
result = transform.transform(svgdom) |
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|
361 |
|
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362 |
result.write(target_file, encoding="utf-8") |
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|
363 |
# print(str(result)) |
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|
364 |
# print(transform.xslt.error_log) |
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|
365 |
|
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|
366 |
# TODO |
2745 | 367 |
# - Errors on HMI semantics |
368 |
# - ... maybe something to have a global view of what is declared in SVG. |
|
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|
369 |
|
2745 | 370 |
else: |
371 |
# TODO : use default svg that expose the HMI tree as-is |
|
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|
372 |
target_file.write("""<!DOCTYPE html> |
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373 |
<html> |
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374 |
<body> |
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375 |
<h1> No SVG file provided </h1> |
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376 |
</body> |
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377 |
</html> |
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378 |
""") |
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379 |
|
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380 |
target_file.close() |
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381 |
|
2772 | 382 |
res += ((target_fname, open(target_path, "rb")),) |
383 |
||
2771
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384 |
runtimefile_path = os.path.join(buildpath, "runtime_svghmi1_%s.py" % location_str) |
361366b891ca
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385 |
runtimefile = open(runtimefile_path, 'w') |
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386 |
runtimefile.write(""" |
361366b891ca
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387 |
def _runtime_svghmi1_%(location)s_start(): |
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388 |
svghmi_root.putChild('%(view_name)s',File('%(xhtml)s')) |
361366b891ca
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389 |
|
2779
75c6a31caca6
SVGHMI: Work In Progress : fixed pointer types in ctypes interface, cleaned up server startup and cleanup code, changed document type to XHTML, cleaner JS script : encapsulated in a function and in CDATA.
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390 |
def _runtime_svghmi1_%(location)s_stop(): |
75c6a31caca6
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391 |
svghmi_root.delEntity('%(view_name)s') |
75c6a31caca6
SVGHMI: Work In Progress : fixed pointer types in ctypes interface, cleaned up server startup and cleanup code, changed document type to XHTML, cleaner JS script : encapsulated in a function and in CDATA.
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parents:
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changeset
|
392 |
|
2771
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393 |
""" % {"location": location_str, |
361366b891ca
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394 |
"xhtml": target_fname, |
361366b891ca
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395 |
"view_name": view_name}) |
361366b891ca
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|
396 |
|
361366b891ca
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397 |
runtimefile.close() |
361366b891ca
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parents:
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|
398 |
|
361366b891ca
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399 |
res += (("runtime_svghmi1_%s.py" % location_str, open(runtimefile_path, "rb")),) |
2745 | 400 |
|
401 |
return res |
|
402 |
||
403 |
def _ImportSVG(self): |
|
404 |
dialog = wx.FileDialog(self.GetCTRoot().AppFrame, _("Choose a SVG file"), os.getcwd(), "", _("SVG files (*.svg)|*.svg|All files|*.*"), wx.OPEN) |
|
405 |
if dialog.ShowModal() == wx.ID_OK: |
|
406 |
svgpath = dialog.GetPath() |
|
407 |
if os.path.isfile(svgpath): |
|
408 |
shutil.copy(svgpath, self._getSVGpath()) |
|
409 |
else: |
|
410 |
self.GetCTRoot().logger.write_error(_("No such SVG file: %s\n") % svgpath) |
|
411 |
dialog.Destroy() |
|
412 |
||
413 |
def _StartInkscape(self): |
|
414 |
svgfile = self._getSVGpath() |
|
415 |
open_inkscape = True |
|
416 |
if not self.GetCTRoot().CheckProjectPathPerm(): |
|
417 |
dialog = wx.MessageDialog(self.GetCTRoot().AppFrame, |
|
418 |
_("You don't have write permissions.\nOpen Inkscape anyway ?"), |
|
419 |
_("Open Inkscape"), |
|
420 |
wx.YES_NO | wx.ICON_QUESTION) |
|
421 |
open_inkscape = dialog.ShowModal() == wx.ID_YES |
|
422 |
dialog.Destroy() |
|
423 |
if open_inkscape: |
|
424 |
if not os.path.isfile(svgfile): |
|
425 |
svgfile = None |
|
426 |
open_svg(svgfile) |