def __init__(self):
QMainWindow.__init__(self)
self.setWindowIcon(get_icon(os.path.join(APP_RESOURCES, 'icons',
'python.png')))
self.setupUi(self)
# Redirect output to GUI's QTextEdit
sys.stdout = OutLog(self.outputTextEdit, sys.stdout)
sys.stderr = OutLog(self.outputTextEdit, sys.stderr, QColor(255,0,0) )
settings = QSettings()
size = settings.value("MainWindow/Size",
QVariant(QSize(600, 500))).toSize()
self.resize(size)
position = settings.value("MainWindow/Position",
QVariant(QPoint(0, 0))).toPoint()
self.move(position)
self.restoreState(
settings.value("MainWindow/State").toByteArray())
self.logger = Logger('Zupport.GUIloader')
self.logger.debugging = settings.value("Logging/debugging").toBool()
# Set up a ZupportManager to deal with the plugins
self.manager = Manager(self)
self.plugins = {}
# Set up the extents menu
self.extent = ExtentContainer()
self.menuExtent = QMenu("Extent")
resolutions = self.extent.resolutions
self.extenactiongroup = QActionGroup(self.menuExtent)
noneaction = QAction("None", self.menuExtent)
self.extenactiongroup.addAction(noneaction)
self.menuExtent.addAction(noneaction)
for resolution in resolutions:
resolution_text = str(resolution)
submenu = self.menuExtent.addMenu(resolution_text)
self.menuExtent.addMenu(submenu)
for area in self.extent.get_names(resolution):
subaction = QAction(str(area) + ": %s" % resolution_text,
submenu)
subaction.setCheckable(True)
self.extenactiongroup.addAction(subaction)
submenu.addAction(subaction)
noneaction.isChecked()
self.menuSettings.addMenu(self.menuExtent)
self.actionDebugging_messages.setChecked(self.logger.debugging)
self.setWindowTitle("Zupport GUI")
self.load_tools()
self.toolTreeWidget.itemSelectionChanged.connect(self.update_ui)
self.actionDebugging_messages.toggled.connect(self._set_debugging)
self.menuExtent.triggered.connect(self.update_ui)
self.actionLoad_tool.triggered.connect(self.show_tool_gui)
self.toolTreeWidget.doubleClicked.connect(self.show_tool_gui)
def __init__(self, parameters, service, *args, **kwargs):
Tool.__init__(self, parameters, service, *args, **kwargs)
self.name = self.__class__.__name__
# Identifier is a combination of the name and the class counter
self.id = (self.name, PairFileiterator.id)
self.log = Logger("Zupport.%s" % (self.__class__.__name__),
debugging=True)
self.service = service
self.log.debug(msgInitSuccess)
def legacy_arcgisscripting(licensetype=None, verbose=True):
logger = Logger("zupport.utilities")
try:
import win32com.client
except ImportError:
logger.error('Could not import win32com.client.')
return
gp = win32com.client.Dispatch("esriGeoprocessing.GpDispatch.1")
if licensetype is not None:
Licensed = gp.SetProduct(licensetype)
if not (Licensed in ["NotLicensed", "Failed"]):
return gp
#Either the licensetype was not set, or it failed
#Try to get the highest possible license
types = ["ArcInfo", "ArcEditor", "ArcView"]
for license in types:
Licensed = gp.CheckProduct(license)
if not (Licensed in ["NotLicensed", "Failed"]):
Licensed = gp.SetProduct(license)
logger.debug("Geoprocessor started with license: %s (%s)" %
(license, Licensed))
return gp
else:
logger.debug("License %s is %s" % (license, Licensed))
gp.AddError("No License available for geoprocessor")
raise ValueError, "No License available for geoprocessor"
def __init__(self, toolname, parameters, *args, **kwargs):
# HACK - by default there seems to be object persistent between the
# creation of different ToolLoader objects
self._items = []
datatypes.DataSet.__init__(self, title=toolname, comment='',
*args, **kwargs)
self.logger = Logger('Zupport.GUIloader.ToolLoader', debugging=True)
self.logger.debug("Creating GUI for tool %s" % toolname)
self.parameters = parameters
for parameter in parameters:
self.add_dataitem(parameter)
def __init__(self):
QMainWindow.__init__(self)
self.setWindowIcon(get_icon(os.path.join(APP_RESOURCES, 'icons',
'python.png')))
self.setupUi(self)
# Redirect output to GUI's QTextEdit
sys.stdout = OutLog(self.outputTextEdit, sys.stdout)
sys.stderr = OutLog(self.outputTextEdit, sys.stderr, QColor(255,0,0) )
settings = QSettings()
size = settings.value("MainWindow/Size",
QVariant(QSize(600, 500))).toSize()
self.resize(size)
position = settings.value("MainWindow/Position",
QVariant(QPoint(0, 0))).toPoint()
self.move(position)
self.restoreState(
settings.value("MainWindow/State").toByteArray())
self.logger = Logger('Zupport.GUIloader')
self.logger.debugging = settings.value("Logging/debugging").toBool()
# Set up a ZupportManager to deal with the plugins
self.manager = Manager(self)
self.plugins = {}
# Set up the extents menu
self.extent = ExtentContainer()
self.menuExtent = QMenu("Extent")
resolutions = self.extent.resolutions
self.extenactiongroup = QActionGroup(self.menuExtent)
noneaction = QAction("None", self.menuExtent)
self.extenactiongroup.addAction(noneaction)
self.menuExtent.addAction(noneaction)
for resolution in resolutions:
resolution_text = str(resolution)
submenu = self.menuExtent.addMenu(resolution_text)
self.menuExtent.addMenu(submenu)
for area in self.extent.get_names(resolution):
subaction = QAction(str(area) + ": %s" % resolution_text,
submenu)
subaction.setCheckable(True)
self.extenactiongroup.addAction(subaction)
submenu.addAction(subaction)
noneaction.isChecked()
self.menuSettings.addMenu(self.menuExtent)
self.actionDebugging_messages.setChecked(self.logger.debugging)
self.setWindowTitle("Zupport GUI")
self.load_tools()
self.toolTreeWidget.itemSelectionChanged.connect(self.update_ui)
self.actionDebugging_messages.toggled.connect(self._set_debugging)
self.menuExtent.triggered.connect(self.update_ui)
self.actionLoad_tool.triggered.connect(self.show_tool_gui)
self.toolTreeWidget.doubleClicked.connect(self.show_tool_gui)
def legacy_arcgisscripting(licensetype=None, verbose=True):
logger = Logger("zupport.utilities")
try:
import win32com.client
except ImportError:
logger.error('Could not import win32com.client.')
return
gp = win32com.client.Dispatch("esriGeoprocessing.GpDispatch.1")
if licensetype is not None:
Licensed=gp.SetProduct(licensetype)
if not (Licensed in ["NotLicensed","Failed"]):
return gp
#Either the licensetype was not set, or it failed
#Try to get the highest possible license
types = ["ArcInfo","ArcEditor","ArcView"]
for license in types:
Licensed=gp.CheckProduct(license)
if not (Licensed in ["NotLicensed","Failed"]):
Licensed = gp.SetProduct(license)
logger.debug("Geoprocessor started with license: %s (%s)" %
(license, Licensed))
return gp
else:
logger.debug("License %s is %s" % (license, Licensed))
gp.AddError("No License available for geoprocessor")
raise ValueError,"No License available for geoprocessor"
def __init__(self, toolname, parameters, *args, **kwargs):
# HACK - by default there seems to be object persistent between the
# creation of different ToolLoader objects
self._items = []
datatypes.DataSet.__init__(self, title=toolname, comment='',
*args, **kwargs)
self.logger = Logger('Zupport.GUIloader.ToolLoader', debugging=True)
self.logger.debug("Creating GUI for tool %s" % toolname)
self.parameters = parameters
for parameter in parameters:
self.add_dataitem(parameter)
class MainWindow(QMainWindow, Ui_MainWindow):
'''Mainwindow for initial loading of different plugins.
'''
def __init__(self):
QMainWindow.__init__(self)
self.setWindowIcon(get_icon(os.path.join(APP_RESOURCES, 'icons',
'python.png')))
self.setupUi(self)
# Redirect output to GUI's QTextEdit
sys.stdout = OutLog(self.outputTextEdit, sys.stdout)
sys.stderr = OutLog(self.outputTextEdit, sys.stderr, QColor(255,0,0) )
settings = QSettings()
size = settings.value("MainWindow/Size",
QVariant(QSize(600, 500))).toSize()
self.resize(size)
position = settings.value("MainWindow/Position",
QVariant(QPoint(0, 0))).toPoint()
self.move(position)
self.restoreState(
settings.value("MainWindow/State").toByteArray())
self.logger = Logger('Zupport.GUIloader')
self.logger.debugging = settings.value("Logging/debugging").toBool()
# Set up a ZupportManager to deal with the plugins
self.manager = Manager(self)
self.plugins = {}
# Set up the extents menu
self.extent = ExtentContainer()
self.menuExtent = QMenu("Extent")
resolutions = self.extent.resolutions
self.extenactiongroup = QActionGroup(self.menuExtent)
noneaction = QAction("None", self.menuExtent)
self.extenactiongroup.addAction(noneaction)
self.menuExtent.addAction(noneaction)
for resolution in resolutions:
resolution_text = str(resolution)
submenu = self.menuExtent.addMenu(resolution_text)
self.menuExtent.addMenu(submenu)
for area in self.extent.get_names(resolution):
subaction = QAction(str(area) + ": %s" % resolution_text,
submenu)
subaction.setCheckable(True)
self.extenactiongroup.addAction(subaction)
submenu.addAction(subaction)
noneaction.isChecked()
self.menuSettings.addMenu(self.menuExtent)
self.actionDebugging_messages.setChecked(self.logger.debugging)
self.setWindowTitle("Zupport GUI")
self.load_tools()
self.toolTreeWidget.itemSelectionChanged.connect(self.update_ui)
self.actionDebugging_messages.toggled.connect(self._set_debugging)
self.menuExtent.triggered.connect(self.update_ui)
self.actionLoad_tool.triggered.connect(self.show_tool_gui)
self.toolTreeWidget.doubleClicked.connect(self.show_tool_gui)
def closeEvent(self, event):
settings = QSettings()
settings.setValue("Logging/debugging", self.logger.debugging)
settings.setValue("MainWindow/Size", QVariant(self.size()))
settings.setValue("MainWindow/Position",
QVariant(self.pos()))
settings.setValue("MainWindow/State",
QVariant(self.saveState()))
def load_tools(self):
plugins = self.manager.plugins
for name, plugin in plugins.iteritems():
item = QTreeWidgetItem(QStringList(name.capitalize()))
tool_items = []
for tool_name in plugin.tool_names():
tool_items.append(QTreeWidgetItem(QStringList(tool_name)))
item.addChildren(tool_items)
self.toolTreeWidget.addTopLevelItem(item)
item.setExpanded(True)
self.statusbar.showMessage("Succesfully loaded %s plugins" % len(plugins),
4000)
def show_tool_gui(self):
selected_tool = self.toolListWidget.currentItem()
toolname = str(selected_tool.text())
parameters = self.manager.plugins[toolname]
# Check if extent is available
extent = self.extenactiongroup.checkedAction()
if extent:
extent = str(extent.text())
# Extent is a String of the form "area: resolution"
area, resolution = extent.split(':')
resolution = int(resolution)
self.extent.resolution = resolution
# This is a list of coordinates
coordinates = self.extent.get_extent(area)
# Create a string for the GUI
coord_text = ', '.join([str(coord) for coord in coordinates])
self.manager.plugins[toolname].set_parameter_value('extent', coord_text)
dataset = ToolLoader(toolname, parameters)
if dataset.edit():
self.logger.debug('User pressed OK, proceeding to execution')
self.manager.plugins[toolname] = dataset.get_parameters()
# Run the tool
if self.actionArcGIS.isChecked():
backend = 'arcgis'
else:
backend = 'osgeo'
else:
self.logger.debug('User pressed cancel')
return
self.manager.executetool(toolname, backend)
def update_ui(self):
if self.toolTreeWidget.currentItem():
self.actionLoad_tool.setEnabled(True)
selected_tool = str(self.toolTreeWidget.currentItem().text(0))
help_text = self.manager.plugins[selected_tool].help
self.helpTextEdit.setText(help_text)
extent = self.extenactiongroup.checkedAction()
if extent:
self.extentLabel.setText("Current extent: %s" % extent.text())
@Slot()
def on_actionAbout_triggered(self):
QMessageBox.about(self, "About Zupport GUI",
"""<b>Zupport GUI</b> v %s
<p>Copyright © 2011 Joona Lehtomaki
<*****@*****.**>.
All rights reserved.
<p>Support zools for Zonation related pre- and post-processing operations.</p>
<p>Python %s - Qt %s - PySide %s on %s</p>""" % (
__version__, platform.python_version(),
QT_VERSION,
PYQT_VERSION, platform.system()))
@Slot()
def on_actionOpen_log_triggered(self):
logfile = os.path.join(USER_DATA_DIR, 'zupport.log')
if os.path.exists(logfile):
import webbrowser
webbrowser.open(logfile)
self.logger.debug('Opened log file %s' % logfile)
else:
msg = "Zupport log file cannot be found in default location %s" % os.path.dirname(logfile)
self.logger.debug(msg)
QMessageBox.warning(self, "File not found",
msg,
buttons=QMessageBox.Ok,
defaultButton=QMessageBox.NoButton)
def _set_debugging(self, toggle):
self.logger.debugging = toggle
class ToolLoader(datatypes.DataSet):
'''Base class for other loaders.
Parameters' value modification will be done in-place after which the actual
tool is executed. If parameter values are provided as args or kwargs these
will be used as default values for the GUI, else parameter definition
default values will be used if present.
'''
def __init__(self, toolname, parameters, *args, **kwargs):
# HACK - by default there seems to be object persistent between the
# creation of different ToolLoader objects
self._items = []
datatypes.DataSet.__init__(self, title=toolname, comment='',
*args, **kwargs)
self.logger = Logger('Zupport.GUIloader.ToolLoader', debugging=True)
self.logger.debug("Creating GUI for tool %s" % toolname)
self.parameters = parameters
for parameter in parameters:
self.add_dataitem(parameter)
def add_dataitem(self, item):
''' Adds a data item to a :mod:`guidata` DataSet.
Normally items are created from class attributes by metaclass
DataSetMeta and dynamically created class attributes are not converted
into data items.
TODO: Method is a hack to guidata and a more clean API access should be
implemented.
Parameters:
item - Object to be converted to a DataItem
'''
if isinstance(item, Parameter):
dataitem = self.parameter_to_dataitem(item)
name = item.name
else:
name = ''
# Following block borrowed from DataSetMeta, self._items is a list of
# DataItems
if isinstance(dataitem, datatypes.DataItem):
dataitem.set_name(name)
# Check if the attribute is already in self._items
for _item in self._items:
if name == _item._name:
dataitem._order = _item._order
self._items.insert(dataitem._order, dataitem)
def parameter_to_dataitem(self, parameter):
''' Method converts a given Parameter object to a suitable guidata
DataItem
'''
param_type = type(parameter.value)
dataitem = None
if param_type is BooleanType:
dataitem = dataitems.BoolItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is FloatType:
dataitem = dataitems.FloatItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is IntType:
dataitem = dataitems.IntItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is ListType:
dataitem = dataitems.ChoiceItem(label=parameter.label,
choices=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is StringType:
if parameter.name == 'help':
#dataitem = dataitems.TextItem(label=parameter.name,
# default=parameter.value,
# help=parameter.tip)
self.__doc__ = parameter.value
return None
else:
values = parameter.value.split(':')
if 'PATH' in values[0]:
path = ''
if len(values) > 1:
path = path + ''.join(values[1:])
dataitem = dataitems.DirectoryItem(label=parameter.label,
default=path,
notempty=parameter.required,
help=parameter.tip)
else:
dataitem = dataitems.StringItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
return dataitem
def get_parameters(self):
# TODO: guidata apparently mangles the object attribute names so that
# attributeA becomes object._attributeA --> shouldn't be so, might
# have something to do with the dynamic creation of object attributes
for parameter in self.parameters:
try:
if parameter.name != 'help':
parameter.value = getattr(self, '_' + parameter.name)
self.logger.debug("Updated dataset parameter %s to value %s" % (parameter.name, parameter.value))
except AttributeError:
self.logger.error("Parameter / attribute mismatch: %s " % parameter.name)
return self.parameters
class PairFileiterator(Tool):
implements(ITool)
id = 0
def __init__(self, parameters, service, *args, **kwargs):
Tool.__init__(self, parameters, service, *args, **kwargs)
self.name = self.__class__.__name__
# Identifier is a combination of the name and the class counter
self.id = (self.name, PairFileiterator.id)
self.log = Logger("Zupport.%s" % (self.__class__.__name__),
debugging=True)
self.service = service
self.log.debug(msgInitSuccess)
def __del__(self):
if PairFileiterator:
PairFileiterator.id = PairFileiterator.id - 1
def run(self):
try:
self.validate_parameters()
input_workspace = self.get_parameter(0)
wildcard = self.get_parameter(1)
template = self.get_parameter(2)
self.log.debugging = self.get_parameter(3)
self.log.debug('Parsing workspace %s with template %s' %
(input_workspace, template))
workspace_files = ParsedWorkspace(template, input_workspace,
wildcard)
no_rasters = len(workspace_files)
if no_rasters % 2 != 0:
self.log.error('An even number of rasters needed!')
# TODO: all tools should consistently return True/False
# indicating whether the operation was successful
return (-1)
rasterpairs = []
i = 0
while i < no_rasters:
rasterpairs.append(
(workspace_files[i], workspace_files[i + 1]))
i += 2
for pair in rasterpairs:
a_raster = pair[0]
b_raster = pair[1]
ID1 = a_raster.get_tag('ID1')
ID2 = a_raster.get_tag('ID2')
if ID1 == b_raster.get_tag('ID1'):
if ID2 == b_raster.get_tag('ID2'):
self.log.debug('Raster A: %s' % a_raster.name)
self.log.debug('Raster B: %s' % b_raster.name)
except ParameterError, e:
self.log.exception('Error with parameters: %s' % e)
raise
class MainWindow(QMainWindow, Ui_MainWindow):
'''Mainwindow for initial loading of different plugins.
'''
def __init__(self):
QMainWindow.__init__(self)
self.setWindowIcon(get_icon(os.path.join(APP_RESOURCES, 'icons',
'python.png')))
self.setupUi(self)
# Redirect output to GUI's QTextEdit
sys.stdout = OutLog(self.outputTextEdit, sys.stdout)
sys.stderr = OutLog(self.outputTextEdit, sys.stderr, QColor(255,0,0) )
settings = QSettings()
size = settings.value("MainWindow/Size",
QVariant(QSize(600, 500))).toSize()
self.resize(size)
position = settings.value("MainWindow/Position",
QVariant(QPoint(0, 0))).toPoint()
self.move(position)
self.restoreState(
settings.value("MainWindow/State").toByteArray())
self.logger = Logger('Zupport.GUIloader')
self.logger.debugging = settings.value("Logging/debugging").toBool()
# Set up a ZupportManager to deal with the plugins
self.manager = Manager(self)
self.plugins = {}
# Set up the extents menu
self.extent = ExtentContainer()
self.menuExtent = QMenu("Extent")
resolutions = self.extent.resolutions
self.extenactiongroup = QActionGroup(self.menuExtent)
noneaction = QAction("None", self.menuExtent)
self.extenactiongroup.addAction(noneaction)
self.menuExtent.addAction(noneaction)
for resolution in resolutions:
resolution_text = str(resolution)
submenu = self.menuExtent.addMenu(resolution_text)
self.menuExtent.addMenu(submenu)
for area in self.extent.get_names(resolution):
subaction = QAction(str(area) + ": %s" % resolution_text,
submenu)
subaction.setCheckable(True)
self.extenactiongroup.addAction(subaction)
submenu.addAction(subaction)
noneaction.isChecked()
self.menuSettings.addMenu(self.menuExtent)
self.actionDebugging_messages.setChecked(self.logger.debugging)
self.setWindowTitle("Zupport GUI")
self.load_tools()
self.toolTreeWidget.itemSelectionChanged.connect(self.update_ui)
self.actionDebugging_messages.toggled.connect(self._set_debugging)
self.menuExtent.triggered.connect(self.update_ui)
self.actionLoad_tool.triggered.connect(self.show_tool_gui)
self.toolTreeWidget.doubleClicked.connect(self.show_tool_gui)
def closeEvent(self, event):
settings = QSettings()
settings.setValue("Logging/debugging", self.logger.debugging)
settings.setValue("MainWindow/Size", QVariant(self.size()))
settings.setValue("MainWindow/Position",
QVariant(self.pos()))
settings.setValue("MainWindow/State",
QVariant(self.saveState()))
def load_tools(self):
plugins = self.manager.plugins
for name, plugin in plugins.iteritems():
item = QTreeWidgetItem(QStringList(name.capitalize()))
tool_items = []
for tool_name in plugin.tool_names():
tool_items.append(QTreeWidgetItem(QStringList(tool_name)))
item.addChildren(tool_items)
self.toolTreeWidget.addTopLevelItem(item)
item.setExpanded(True)
self.statusbar.showMessage("Succesfully loaded %s plugins" % len(plugins),
4000)
def show_tool_gui(self):
selected_tool = self.toolListWidget.currentItem()
toolname = str(selected_tool.text())
parameters = self.manager.plugins[toolname]
# Check if extent is available
extent = self.extenactiongroup.checkedAction()
if extent:
extent = str(extent.text())
# Extent is a String of the form "area: resolution"
area, resolution = extent.split(':')
resolution = int(resolution)
self.extent.resolution = resolution
# This is a list of coordinates
coordinates = self.extent.get_extent(area)
# Create a string for the GUI
coord_text = ', '.join([str(coord) for coord in coordinates])
self.manager.plugins[toolname].set_parameter_value('extent', coord_text)
dataset = ToolLoader(toolname, parameters)
if dataset.edit():
self.logger.debug('User pressed OK, proceeding to execution')
self.manager.plugins[toolname] = dataset.get_parameters()
# Run the tool
if self.actionArcGIS.isChecked():
backend = 'arcgis'
else:
backend = 'osgeo'
else:
self.logger.debug('User pressed cancel')
return
self.manager.executetool(toolname, backend)
def update_ui(self):
if self.toolTreeWidget.currentItem():
self.actionLoad_tool.setEnabled(True)
selected_tool = str(self.toolTreeWidget.currentItem().text(0))
help_text = self.manager.plugins[selected_tool].help
self.helpTextEdit.setText(help_text)
extent = self.extenactiongroup.checkedAction()
if extent:
self.extentLabel.setText("Current extent: %s" % extent.text())
@Slot()
def on_actionAbout_triggered(self):
QMessageBox.about(self, "About Zupport GUI",
"""<b>Zupport GUI</b> v %s
<p>Copyright © 2011 Joona Lehtomaki
<*****@*****.**>.
All rights reserved.
<p>Support zools for Zonation related pre- and post-processing operations.</p>
<p>Python %s - Qt %s - PySide %s on %s</p>""" % (
__version__, platform.python_version(),
QT_VERSION,
PYQT_VERSION, platform.system()))
@Slot()
def on_actionOpen_log_triggered(self):
logfile = os.path.join(USER_DATA_DIR, 'zupport.log')
if os.path.exists(logfile):
import webbrowser
webbrowser.open(logfile)
self.logger.debug('Opened log file %s' % logfile)
else:
msg = "Zupport log file cannot be found in default location %s" % os.path.dirname(logfile)
self.logger.debug(msg)
QMessageBox.warning(self, "File not found",
msg,
buttons=QMessageBox.Ok,
defaultButton=QMessageBox.NoButton)
def _set_debugging(self, toggle):
self.logger.debugging = toggle
class ToolLoader(datatypes.DataSet):
'''Base class for other loaders.
Parameters' value modification will be done in-place after which the actual
tool is executed. If parameter values are provided as args or kwargs these
will be used as default values for the GUI, else parameter definition
default values will be used if present.
'''
def __init__(self, toolname, parameters, *args, **kwargs):
# HACK - by default there seems to be object persistent between the
# creation of different ToolLoader objects
self._items = []
datatypes.DataSet.__init__(self, title=toolname, comment='',
*args, **kwargs)
self.logger = Logger('Zupport.GUIloader.ToolLoader', debugging=True)
self.logger.debug("Creating GUI for tool %s" % toolname)
self.parameters = parameters
for parameter in parameters:
self.add_dataitem(parameter)
def add_dataitem(self, item):
''' Adds a data item to a :mod:`guidata` DataSet.
Normally items are created from class attributes by metaclass
DataSetMeta and dynamically created class attributes are not converted
into data items.
TODO: Method is a hack to guidata and a more clean API access should be
implemented.
Parameters:
item - Object to be converted to a DataItem
'''
if isinstance(item, Parameter):
dataitem = self.parameter_to_dataitem(item)
name = item.name
else:
name = ''
# Following block borrowed from DataSetMeta, self._items is a list of
# DataItems
if isinstance(dataitem, datatypes.DataItem):
dataitem.set_name(name)
# Check if the attribute is already in self._items
for _item in self._items:
if name == _item._name:
dataitem._order = _item._order
self._items.insert(dataitem._order, dataitem)
def parameter_to_dataitem(self, parameter):
''' Method converts a given Parameter object to a suitable guidata
DataItem
'''
param_type = type(parameter.value)
dataitem = None
if param_type is BooleanType:
dataitem = dataitems.BoolItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is FloatType:
dataitem = dataitems.FloatItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is IntType:
dataitem = dataitems.IntItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is ListType:
dataitem = dataitems.ChoiceItem(label=parameter.label,
choices=parameter.value,
required=parameter.required,
help=parameter.tip)
elif param_type is StringType:
if parameter.name == 'help':
#dataitem = dataitems.TextItem(label=parameter.name,
# default=parameter.value,
# help=parameter.tip)
self.__doc__ = parameter.value
return None
else:
values = parameter.value.split(':')
if 'PATH' in values[0]:
path = ''
if len(values) > 1:
path = path + ''.join(values[1:])
dataitem = dataitems.DirectoryItem(label=parameter.label,
default=path,
notempty=parameter.required,
help=parameter.tip)
else:
dataitem = dataitems.StringItem(label=parameter.label,
default=parameter.value,
required=parameter.required,
help=parameter.tip)
return dataitem
def get_parameters(self):
# TODO: guidata apparently mangles the object attribute names so that
# attributeA becomes object._attributeA --> shouldn't be so, might
# have something to do with the dynamic creation of object attributes
for parameter in self.parameters:
try:
if parameter.name != 'help':
parameter.value = getattr(self, '_' + parameter.name)
self.logger.debug("Updated dataset parameter %s to value %s" % (parameter.name, parameter.value))
except AttributeError:
self.logger.error("Parameter / attribute mismatch: %s " % parameter.name)
return self.parameters