118 lines
4.3 KiB
Python
118 lines
4.3 KiB
Python
# ##########################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# File Author: Marius Adrian Stanciu (c) #
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# Content was borrowed from FlatCAM proper #
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# Date: 4/22/2020 #
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# MIT Licence #
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# ##########################################################
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from tclCommands.TclCommand import TclCommand
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import collections
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import gettext
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import appTranslation as fcTranslate
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import builtins
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fcTranslate.apply_language('strings')
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if '_' not in builtins.__dict__:
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_ = gettext.gettext
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class TclCommandHelp(TclCommand):
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"""
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Tcl shell command to show Help
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example:
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help add_circle
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"""
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# List of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
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aliases = ['help']
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description = '%s %s' % ("--", "PRINTS to TCL the HELP.")
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# Dictionary of types from Tcl command, needs to be ordered
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arg_names = collections.OrderedDict([
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('name', str)
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])
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# Dictionary of types from Tcl command, needs to be ordered , this is for options like -optionname value
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option_types = collections.OrderedDict([
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])
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# array of mandatory options for current Tcl command: required = {'name','outname'}
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required = []
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Returns to TCL the value for the entered system variable.",
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'args': collections.OrderedDict([
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('name', 'Name of a Tcl Command for which to display the Help.'),
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]),
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'examples': ['help add_circle']
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}
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def execute(self, args, unnamed_args):
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"""
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:param args: Without any argument will display the list of commands. Can have as a argument
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a tcl command name to display the help for that command.
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:param unnamed_args:
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:return:
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"""
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if 'name' in args:
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name = args['name']
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if name not in self.app.shell.tcl_commands_storage:
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return "Unknown command: %s" % name
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help_for_command = self.app.shell.tcl_commands_storage[name]["help"] + '\n\n'
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self.app.shell.append_output(help_for_command)
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else:
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if not args:
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cmd_enum = '%s\n' % _("Available commands:")
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displayed_text = []
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try:
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# find the maximum length of a command name
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max_len = 0
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for cmd_name in self.app.shell.tcl_commands_storage:
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curr_len = len(cmd_name)
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if curr_len > max_len:
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max_len = curr_len
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h_space = " "
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cnt = 0
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for cmd_name in sorted(self.app.shell.tcl_commands_storage):
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cmd_description = "<span>%s</span>" % \
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self.app.shell.tcl_commands_storage[cmd_name]['description']
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curr_len = len(cmd_name)
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cmd_name_colored = "> <span style=\" font-weight: bold; color: red;\" >%s</span>" % \
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str(cmd_name)
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nr_chars = max_len - curr_len
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cmd_line_txt = '%s%s %s' % (cmd_name_colored, nr_chars * h_space, cmd_description)
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displayed_text.append(cmd_line_txt)
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# group commands by 4 adding a line break after 4 commands
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if cnt == 3:
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cnt = 0
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displayed_text.append(' ')
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else:
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cnt += 1
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except Exception as err:
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self.app.log.debug("tclCommands.TclCommandHelp() when run as 'help' --> %s" % str(err))
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displayed_text = ['> %s' % cmd for cmd in sorted(self.app.shell.tcl_commands_storage)]
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cmd_enum += '<br>'.join(displayed_text)
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cmd_enum += '<br><br>%s<br>%s<br><br>' % (
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_("Type help <command_name> for usage."), _("Example: help open_gerber"))
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self.app.shell.append_raw(cmd_enum)
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