/usr/share/pyshared/gamera/args.py is in python-gamera 3.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# vim: set tabstop=3 shiftwidth=3 expandtab:
#
# Copyright (C) 2001-2010 Ichiro Fujinaga, Michael Droettboom,
# Karl MacMillan, Christoph Dalitz
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from gamera.gui import has_gui
from new import instancemethod
import sys, os.path # Python standard library
from types import *
import util, paths # Gamera specific
# the maximum default number (int, float) in argument boxes
# necessary because sys.maxint is not accepted by some wxPython widgets
DEFAULT_MAX_ARG_NUMBER = 1048576 # 2^20
######################################################################
# This is a "self-generating" dialog box
class NoGUIArgs:
def setup(self, *args, **kwargs):
raise Exception("No GUI environment available. Cannot display dialog.")
def show(self, *args, **kwargs):
raise Exception("No GUI environment available. Cannot display dialog.")
class Args(NoGUIArgs):
# list is a list of "Arg s"
def __init__(self, list=[], name="Arguments", function=None, title=None):
self.list = util.make_sequence(list)
self.valid = 1
self.name = name
self.function = function
self.title = title
def __repr__(self):
return "<" + self.__class__.__name__ + ">"
def __getitem__(self, i):
return self.list[i]
index = __getitem__
def __len__(self, i):
return len(self.list)
######################################################################
# ARGUMENT TYPES
# for allowing None as default argument
class CNoneDefault:
def __str__(self):
return "None"
NoneDefault = CNoneDefault()
class Arg:
default = 0
length = 1
def __init__(self, name):
self.name = name
if name is not None and not util.is_string_or_unicode(name):
raise TypeError("'name' must be a string")
self.has_default = False
def __repr__(self):
return "<" + self.__class__.__name__ + ">"
def rest_repr(self, name=False):
result = "``%s``" % self.__class__.__name__
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % str(self.default)
return result
def register(self, plug, func):
pass
class Int(Arg):
def __init__(self, name=None, range=(-DEFAULT_MAX_ARG_NUMBER, DEFAULT_MAX_ARG_NUMBER), default=None):
Arg.__init__(self, name)
if not (util.is_sequence(range) and len(range) == 2 and
type(range[0]) in (int, float) and type(range[1]) in (int, float)):
raise TypeError("'range' must be a 2-tuple of numbers")
self.rng = range
if default is None:
self.has_default = False
self.default = 0
else:
self.has_default = True
self.default = default
if not isinstance(self.default,CNoneDefault) and type(self.default) != int:
raise TypeError("'default' must be an int")
def rest_repr(self, name=False):
result = "int"
if self.rng != (-DEFAULT_MAX_ARG_NUMBER, DEFAULT_MAX_ARG_NUMBER):
result += "(%d, %d)" % tuple([int(x) for x in self.rng])
if name:
result += " *%s*" % self.name
if self.has_default:
if isinstance(self.default,CNoneDefault):
result += " = %s" % str(self.default)
else:
result += " = %d" % self.default
return result
class Real(Arg):
def __init__(self, name=None,
range=None,
default=None):
Arg.__init__(self, name)
if range is None:
range = (-DEFAULT_MAX_ARG_NUMBER, DEFAULT_MAX_ARG_NUMBER)
if not (util.is_sequence(range) and len(range) == 2 and
type(range[0]) in (int, float) and type(range[1]) in (int, float)):
raise TypeError("'range' must be a 2-tuple of numbers")
self.rng = range
if default is None:
self.has_default = False
self.default = 0.0
else:
self.has_default = True
self.default = default
if type(self.default) != float:
raise TypeError("'default' must be a float")
def rest_repr(self, name=False):
result = "float"
if self.rng != (-DEFAULT_MAX_ARG_NUMBER, DEFAULT_MAX_ARG_NUMBER):
result += "(%.02f, %.02f)" % tuple([float(x) for x in self.rng])
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %.02f" % self.default
return result
Float = Real
class Complex(Arg):
def __init__(self, name=None, default=None):
Arg.__init__(self, name)
if default is None:
self.has_default = False
self.default = 0j
else:
self.has_default = True
self.default = default
def rest_repr(self, name=False):
result = "complex"
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % self.default
return result
class String(Arg):
def __init__(self, name=None, default=None):
Arg.__init__(self, name)
if default is None:
self.has_default = False
self.default = ''
else:
self.has_default = True
self.default = default
if not util.is_string_or_unicode(self.default):
raise TypeError("'default' must be an int")
def rest_repr(self, name=False):
result = "str"
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % repr(self.default)
return result
class Class(Arg):
def __init__(self, name=None, klass=None, list_of=False, default=None):
Arg.__init__(self, name)
self.klass = klass
self.list_of = bool(list_of)
if default is None:
self.has_default = False
self.default = ''
else:
self.has_default = True
self.default = default
def rest_repr(self, name=False):
if self.klass is None:
result = "object"
else:
result = "%s" % self.klass.__name__
if name:
result += " *%s*" % self.name
if self.list_of:
result = "[%s]" % result
if self.has_default:
result += " = %s" % str(self.default)
return result
class ImageType(Arg):
def __init__(self, pixel_types, name=None, list_of=False):
import core
Arg.__init__(self, name)
if not util.is_sequence(pixel_types):
pixel_types = (pixel_types,)
if not util.is_homogenous_list(pixel_types, (int,)):
raise TypeError("'pixel_types' must be a list of integers.")
if not core is None:
self.klass = core.ImageBase
else:
self.klass = None
self.pixel_types = pixel_types
self.list_of = bool(list_of)
def rest_repr(self, name=False):
result = '``Image`` [%s]' % '|'.join([util.get_pixel_type_name(x) for x in self.pixel_types])
if name:
result += " *%s*" % self.name
if self.list_of:
return "[%s]" % result
return result
def register(self, plug, func):
from gamera import core
func = instancemethod(func, None, core.gameracore.Image)
setattr(core.ImageBase, plug.__name__, func)
class Rect(Arg):
def __init__(self, name=None, list_of=False):
import core
Arg.__init__(self, name)
if not core is None:
self.klass = core.Rect
self.list_of = bool(list_of)
def rest_repr(self, name=False):
result = Arg.rest_repr(self, name)
if self.list_of:
return "[%s]" % result
return result
class Choice(Arg):
def __init__(self, name=None, choices=[], default=None):
Arg.__init__(self, name)
if not util.is_string_or_unicode_list(choices):
raise TypeError("'choices' must be a list of strings.")
self.choices = choices
if default is None:
self.has_default = False
self.default = 0
else:
self.has_default = True
self.default = default
if not isinstance(self.default,CNoneDefault) and type(self.default) != int:
raise TypeError("'default' must be an int")
def rest_repr(self, name = False):
result = '``Choice`` [%s]' % ('|'.join(self.choices))
if name:
result += " *%s*" % self.name
if self.has_default:
if isinstance(self.default,CNoneDefault):
result += " = %s" % str(self.default)
else:
result += " = %s" % self.choices[self.default]
return result
class ChoiceString(Arg):
def __init__(self, name=None, choices=[], default=None, strict=True):
Arg.__init__(self, name)
if not util.is_string_or_unicode_list(choices):
raise TypeError("'choices' must be a list of strings.")
self.choices = choices
if default is None:
self.has_default = False
self.default = choices[0]
else:
if type(default) != str:
raise TypeError("'default' must be a string")
if default not in choices:
raise ValueError("Given 'default' must be in available 'choices'")
self.has_default = True
self.default = default
self.strict = strict
def rest_repr(self, name = False):
if self.strict:
strict = "(strict)"
else:
strict = ""
result = '``ChoiceString%s`` [%s]' % (strict, '|'.join(self.choices))
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % self.default
return result
class _Filename(Arg):
def __init__(self, name=None, default="", extension="*.*"):
Arg.__init__(self, name)
if not util.is_string_or_unicode(default):
raise TypeError("'default' must be a string")
self.default = default
## if not util.is_string_or_unicode(extension):
## raise TypeError("'extension' must be a string")
self.extension = extension
class FileOpen(_Filename):
pass
class FileSave(_Filename):
pass
class Directory(_Filename):
pass
class Radio(Arg):
def __init__(self, name=None, radio_button=''):
Arg.__init__(self, name)
self.radio_button = radio_button
class Check(Arg):
def __init__(self, name=None, check_box='', default=None, enabled=True):
Arg.__init__(self, name)
if not util.is_string_or_unicode(check_box):
raise TypeError("'check_box' must be a string")
self.check_box = check_box
if default is None:
self.has_default = False
self.default = False
else:
self.has_default = True
self.default = default
self.default = bool(self.default)
self.enabled = bool(enabled)
def rest_repr(self, name=False):
result = '``bool``'
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % str(self.default)
return result
Bool = Check
class Region(Class):
def __init__(self, name=None):
Class.__init__(self, name, None)
class RegionMap(Class):
def __init__(self, name=None):
Class.__init__(self, name, None)
class ImageInfo(Class):
def __init__(self, name=None):
Class.__init__(self, name, None)
class Point(Arg):
def __init__(self, name=None, default=None):
Arg.__init__(self, name)
if default is None:
self.has_default = False
self.default = (0, 0)
else:
self.has_default = True
self.default = default
class FloatPoint(Arg):
def __init__(self, name=None, default=None):
Arg.__init__(self, name)
if default is None:
self.has_default = False
self.default = (0.0, 0.0)
else:
self.has_default = True
self.default = default
class Dim(Point):
pass
class _Vector(Class):
def __init__(self, name=None, default=None, length=-1):
Class.__init__(self, name, self.klass)
if type(length) != int:
raise TypeError("'length' must be an int")
self.length = length
if default is None:
self.default = []
self.has_default = False
else:
self.default = default
self.has_default = True
def rest_repr(self, name=False):
result = "``%s``" % self.__class__.__name__
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % str(self.default)
return result
class FloatVector(_Vector):
klass = float
typecode = "d"
class IntVector(_Vector):
klass = int
typecode = "i"
class ComplexVector(_Vector):
klass = complex
typecode = None
class ImageList(Class):
def __init__(self, name=None, default=None):
Class.__init__(self, name=name, klass=None, list_of=True, default=default)
class Pixel(Class):
"""Uses these to pass pixel values into a plugin. The
PixelType must always match the type of the "self" image."""
def __init__(self, name=None, default=None):
Class.__init__(self, name)
if default is None:
self.has_default = False
else:
self.has_default = True
self.default = default
def rest_repr(self, name=False):
result = "Pixel"
if name:
result += " *%s*" % self.name
if self.has_default:
result += " = %s" % str(self.default)
return result
class Info(Arg):
pass
class PointVector(Class):
def __init__(self, name=None):
Class.__init__(self, name, None, True)
class Wizard:
def show(self, dialog):
dialog_history = ['start', dialog]
next_dialog = dialog
while next_dialog != None:
if next_dialog == 'start':
return
result = next_dialog.show(self.parent, self.locals, wizard=1)
if not result is None:
next_dialog = getattr(self, next_dialog.function)(*next_dialog.get_args())
if next_dialog != dialog_history[-1]:
dialog_history.append(next_dialog)
else:
next_dialog = dialog_history[-2]
dialog_history = dialog_history[0:-1]
self.done()
__all__ = 'Args Int Real Float Complex String Class ImageType Rect Choice FileOpen FileSave Directory Radio Check Region RegionMap ImageInfo FloatVector IntVector ComplexVector ImageList Info Wizard Pixel PointVector _Vector ChoiceString Point FloatPoint Dim Bool'.split()
___mixin_locals = locals()
def mixin(module, name):
for cls_name in __all__ + ["Arg"]:
cls = ___mixin_locals[cls_name]
if module.has_key(cls_name):
cls.__bases__ = tuple([module[cls_name]] + list(cls.__bases__))
sys.stdout.write("\n")
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