cadquery-freecad-module/CQGui/Command.py

465 lines
17 KiB
Python

# -*- coding: utf-8 -*-
"""Adds all of the commands that are used for the menus of the CadQuery module"""
# (c) 2014-2016 Jeremy Wright Apache 2.0 License
import imp, os, sys, tempfile
import FreeCAD, FreeCADGui
from PySide import QtGui, QtCore
try:
import ExportCQ
except:
from . import ExportCQ
try:
import ImportCQ
except:
from . import ImportCQ
import module_locator
import Settings
import Shared
from random import random
from contextlib import contextmanager
from cadquery import cqgi
from Helpers import show
# Distinguish python built-in open function from the one declared here
if open.__module__ == '__builtin__':
pythonopen = open
@contextmanager
def revert_sys_modules():
"""
Remove any new modules after context has exited
>>> with revert_sys_modules():
... import some_module
... some_module.do_something()
>>> some_module.do_something() # raises NameError: name 'some_module' is not defined
"""
modules_before = set(sys.modules.keys())
try:
yield
finally:
# irrespective of the succes of the context's execution, new modules
# will be deleted upon exit
for mod_name in list(sys.modules.keys()):
if mod_name not in modules_before:
del sys.modules[mod_name]
class CadQueryClearOutput:
"""Allows the user to clear the reports view when it gets overwhelmed with output"""
def GetResources(self):
return {"MenuText": "Clear Output",
"Accel": "Shift+Alt+C",
"ToolTip": "Clears the script output from the Reports view",
"Pixmap": ":/icons/button_invalid.svg"}
def IsActive(self):
return True
def Activated(self):
# Grab our main window so we can interact with it
mw = FreeCADGui.getMainWindow()
reportView = mw.findChild(QtGui.QDockWidget, "Report view")
# Clear the view because it gets overwhelmed sometimes and won't scroll to the bottom
reportView.widget().clear()
class CadQueryCloseScript:
"""Allows the user to close a file without saving"""
def GetResources(self):
return {"MenuText": "Close Script",
"ToolTip": "Closes the CadQuery script",
"Pixmap": ":/icons/edit_Cancel.svg"}
def IsActive(self):
return True
def Activated(self):
mw = FreeCADGui.getMainWindow()
# Grab our code editor so we can interact with it
cqCodePane = Shared.getActiveCodePane()
# If there's nothing open in the code pane, we don't need to close it
if cqCodePane is None or len(cqCodePane.file.path) == 0:
return
# Check to see if we need to save the script
if cqCodePane.dirty:
reply = QtGui.QMessageBox.question(cqCodePane, "Save CadQuery Script", "Save script before closing?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No | QtGui.QMessageBox.Cancel)
if reply == QtGui.QMessageBox.Cancel:
return
if reply == QtGui.QMessageBox.Yes:
# If we've got a file name already save it there, otherwise give a save-as dialog
if len(cqCodePane.file.path) == 0:
filename = QtGui.QFileDialog.getSaveFileName(mw, mw.tr("Save CadQuery Script As"), "/home/",
mw.tr("CadQuery Files (*.py)"))
else:
filename = cqCodePane.file.path
# Make sure we got a valid file name
if filename is not None:
ExportCQ.save(filename)
Shared.closeActiveCodeWindow()
class CadQueryOpenExample:
exFile = None
def __init__(self, exFile):
self.exFile = str(exFile)
def GetResources(self):
return {"MenuText": str(self.exFile),
"Pixmap": ":/icons/accessories-text-editor.svg"}
def Activated(self):
FreeCAD.Console.PrintMessage(self.exFile + "\r\n")
# So we can open the "Open File" dialog
mw = FreeCADGui.getMainWindow()
# Start off defaulting to the Examples directory
module_base_path = module_locator.module_path()
exs_dir_path = os.path.join(module_base_path, 'Libs/cadquery/examples/FreeCAD')
# Append this script's directory to sys.path
sys.path.append(os.path.dirname(exs_dir_path))
# We've created a library that FreeCAD can use as well to open CQ files
ImportCQ.open(os.path.join(exs_dir_path, self.exFile))
class CadQueryExecuteScript:
"""CadQuery's command to execute a script file"""
def GetResources(self):
return {"MenuText": "Execute Script",
"Accel": Settings.execute_keybinding,
"ToolTip": "Executes the CadQuery script",
"Pixmap": ":/icons/media-playback-start.svg"}
def IsActive(self):
return True
def Activated(self):
# Grab our code editor so we can interact with it
cqCodePane = Shared.getActiveCodePane()
# Clear the old render before re-rendering
Shared.clearActiveDocument()
scriptText = cqCodePane.toPlainText().encode('utf-8')
# Check to see if we are executig a CQGI compliant script
if "show_object(" in scriptText or "debug(" in scriptText:
FreeCAD.Console.PrintMessage("Executing CQGI-compliant script.\r\n")
# A repreentation of the CQ script with all the metadata attached
cqModel = cqgi.parse(scriptText)
# Allows us to present parameters to users later that they can alter
parameters = cqModel.metadata.parameters
build_parameters = {}
# Collect the build parameters from the Parameters Editor view, if they exist
mw = FreeCADGui.getMainWindow()
# Tracks whether or not we have already added the variables editor
isPresent = False
# If the widget is open, we need to close it
dockWidgets = mw.findChildren(QtGui.QDockWidget)
for widget in dockWidgets:
if widget.objectName() == "cqVarsEditor":
# Toggle the visibility of the widget
if not widget.visibleRegion().isEmpty():
# Find all of the controls that will have parameter values in them
valueControls = mw.findChildren(QtGui.QLineEdit)
for valueControl in valueControls:
objectName = valueControl.objectName()
# We only want text fields that will have parameter values in them
if objectName != None and objectName != '' and objectName.find('pcontrol_') >= 0:
# Associate the value in the text field with the variable name in the script
build_parameters[objectName.replace('pcontrol_', '')] = valueControl.text()
build_result = cqModel.build(build_parameters=build_parameters)
if Settings.report_execute_time:
FreeCAD.Console.PrintMessage("Script executed in " + str(build_result.buildTime) + " seconds\r\n")
# Make sure that the build was successful
if build_result.success:
# Display all the results that the user requested
for result in build_result.results:
# Apply options to the show function if any were provided
if result.options and result.options["rgba"]:
show(result.shape, result.options["rgba"])
else:
show(result.shape)
for debugObj in build_result.debugObjects:
# Mark this as a debug object
debugObj.shape.val().label = "Debug" + str(random())
# Apply options to the show function if any were provided
if debugObj.options and debugObj.options["rgba"]:
show(debugObj.shape, debugObj.options["rgba"])
else:
show(debugObj.shape, (255, 0, 0, 0.80))
else:
FreeCAD.Console.PrintError("Error executing CQGI-compliant script. " + str(build_result.exception) + "\r\n")
else:
# Save our code to a tempfile and render it
tempFile = tempfile.NamedTemporaryFile(delete=False)
tempFile.write(scriptText)
tempFile.close()
# Set some environment variables that may help the user
os.environ["MYSCRIPT_FULL_PATH"] = cqCodePane.file.path
os.environ["MYSCRIPT_DIR"] = os.path.dirname(os.path.abspath(cqCodePane.file.path))
# We import this way because using execfile() causes non-standard script execution in some situations
with revert_sys_modules():
imp.load_source('temp_module', tempFile.name)
msg = QtGui.QApplication.translate(
"cqCodeWidget",
"Executed ",
None)
FreeCAD.Console.PrintMessage(msg + cqCodePane.file.path + "\r\n")
class CadQueryNewScript:
"""CadQuery's command to start a new script file."""
def GetResources(self):
return {"MenuText": "New Script",
"Accel": "Alt+N",
"ToolTip": "Starts a new CadQuery script",
"Pixmap": ":/icons/document-new.svg"}
def IsActive(self):
return True
def Activated(self):
module_base_path = module_locator.module_path()
templ_dir_path = os.path.join(module_base_path, 'Templates')
# Use the library that FreeCAD can use as well to open CQ files
ImportCQ.open(os.path.join(templ_dir_path, 'script_template.py'))
FreeCAD.Console.PrintMessage("Please save this template file as another name before creating any others.\r\n")
class CadQueryOpenScript:
"""CadQuery's command to open a script file."""
previousPath = None
def GetResources(self):
return {"MenuText": "Open Script",
"Accel": "Alt+O",
"ToolTip": "Opens a CadQuery script from disk",
"Pixmap": ":/icons/document-open.svg"}
def IsActive(self):
return True
def Activated(self):
# So we can open the "Open File" dialog
mw = FreeCADGui.getMainWindow()
# Try to keep track of the previous path used to open as a convenience to the user
if self.previousPath is None:
# Start off defaulting to the Examples directory
module_base_path = module_locator.module_path()
exs_dir_path = os.path.join(module_base_path, 'Libs/cadquery/examples/FreeCAD')
self.previousPath = exs_dir_path
filename = QtGui.QFileDialog.getOpenFileName(mw, mw.tr("Open CadQuery Script"), self.previousPath,
mw.tr("CadQuery Files (*.py)"))
# Make sure the user didn't click cancel
if filename[0]:
self.previousPath = filename[0]
# Append this script's directory to sys.path
sys.path.append(os.path.dirname(filename[0]))
# We've created a library that FreeCAD can use as well to open CQ files
ImportCQ.open(filename[0])
class CadQuerySaveScript:
"""CadQuery's command to save a script file"""
def GetResources(self):
return {"MenuText": "Save Script",
"Accel": "Alt+S",
"ToolTip": "Saves the CadQuery script to disk",
"Pixmap": ":/icons/document-save.svg"}
def IsActive(self):
return True
def Activated(self):
# Grab our code editor so we can interact with it
cqCodePane = Shared.getActiveCodePane()
# If there are no windows open there is nothing to save
if cqCodePane == None:
FreeCAD.Console.PrintError("Nothing to save.\r\n")
return
# If the code pane doesn't have a filename, we need to present the save as dialog
if len(cqCodePane.file.path) == 0 or os.path.basename(cqCodePane.file.path) == 'script_template.py' \
or os.path.split(cqCodePane.file.path)[0].endswith('FreeCAD'):
FreeCAD.Console.PrintError("You cannot save over a blank file, example file or template file.\r\n")
CadQuerySaveAsScript().Activated()
return
# Rely on our export library to help us save the file
ExportCQ.save()
# Execute the script if the user has asked for it
if Settings.execute_on_save:
CadQueryExecuteScript().Activated()
class CadQuerySaveAsScript:
"""CadQuery's command to save-as a script file"""
previousPath = None
def GetResources(self):
return {"MenuText": "Save Script As",
"Accel": "",
"ToolTip": "Saves the CadQuery script to disk in a location other than the original",
"Pixmap": ":/icons/document-save-as.svg"}
def IsActive(self):
return True
def Activated(self):
# So we can open the save-as dialog
mw = FreeCADGui.getMainWindow()
cqCodePane = Shared.getActiveCodePane()
if cqCodePane == None:
FreeCAD.Console.PrintError("Nothing to save.\r\n")
return
# Try to keep track of the previous path used to open as a convenience to the user
if self.previousPath is None:
self.previousPath = "/home/"
filename = QtGui.QFileDialog.getSaveFileName(mw, mw.tr("Save CadQuery Script As"), self.previousPath,
mw.tr("CadQuery Files (*.py)"))
self.previousPath = filename[0]
# Make sure the user didn't click cancel
if filename[0]:
# Close the 3D view for the original script if it's open
try:
docname = os.path.splitext(os.path.basename(cqCodePane.file.path))[0]
FreeCAD.closeDocument(docname)
except:
# Assume that there was no 3D view to close
pass
# Change the name of our script window's tab
Shared.setActiveWindowTitle(os.path.basename(filename[0]))
# Save the file before closing the original and the re-rendering the new one
ExportCQ.save(filename[0])
CadQueryExecuteScript().Activated()
class ToggleParametersEditor:
"""If the user is running a CQGI-compliant script, they can edit variables through this edistor"""
def GetResources(self):
return {"MenuText": "Toggle Parameters Editor",
"Accel": "Shift+Alt+E",
"ToolTip": "Opens a live variables editor editor",
"Pixmap": ":/icons/edit-edit.svg"}
def IsActive(self):
return True
def Activated(self):
mw = FreeCADGui.getMainWindow()
# Tracks whether or not we have already added the variables editor
isPresent = False
# If the widget is open, we need to close it
dockWidgets = mw.findChildren(QtGui.QDockWidget)
for widget in dockWidgets:
if widget.objectName() == "cqVarsEditor":
# Toggle the visibility of the widget
if widget.visibleRegion().isEmpty():
widget.setVisible(True)
else:
widget.setVisible(False)
isPresent = True
if not isPresent:
cqVariablesEditor = QtGui.QDockWidget("CadQuery Variables Editor")
cqVariablesEditor.setObjectName("cqVarsEditor")
mw.addDockWidget(QtCore.Qt.LeftDockWidgetArea, cqVariablesEditor)
# Go ahead and populate the view if there are variables in the script
CadQueryValidateScript().Activated()
class CadQueryValidateScript:
"""Checks the script for the user without executing it and populates the variable editor, if needed"""
def GetResources(self):
return {"MenuText": "Validate Script",
"Accel": "F4",
"ToolTip": "Validates a CadQuery script",
"Pixmap": ":/icons/edit_OK.svg"}
def IsActive(self):
return True
def Activated(self):
# Grab our code editor so we can interact with it
cqCodePane = Shared.getActiveCodePane()
# If there is no script to check, ignore this command
if cqCodePane is None:
FreeCAD.Console.PrintMessage("There is no script to validate.")
return
# Clear the old render before re-rendering
Shared.clearActiveDocument()
scriptText = cqCodePane.toPlainText().encode('utf-8')
if ("show_object(" not in scriptText and "# show_object(" in scriptText and "#show_boject(" in scriptText) or ("debug(" not in scriptText and "# debug(" in scriptText and "#debug(" in scriptText):
FreeCAD.Console.PrintError("Script did not call show_object or debug, no output available. Script must be CQGI compliant to get build output, variable editing and validation.\r\n")
return
# A repreentation of the CQ script with all the metadata attached
cqModel = cqgi.parse(scriptText)
# Allows us to present parameters to users later that they can alter
parameters = cqModel.metadata.parameters
Shared.populateParameterEditor(parameters)