/usr/share/pyshared/libopensesame/_sketchpad.py is in opensesame 0.27.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | #-*- coding:utf-8 -*-
"""
This file is part of OpenSesame.
OpenSesame 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 3 of the License, or
(at your option) any later version.
OpenSesame 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 OpenSesame. If not, see <http://www.gnu.org/licenses/>.
"""
from libopensesame import item, exceptions, generic_response, debug
import openexp.canvas
import openexp.exceptions
class sketchpad(item.item, generic_response.generic_response):
"""The sketchpad item"""
def __init__(self, name, experiment, string=None):
"""
Constructor
Arguments:
name -- name of the item
experiment -- experiment
Keyword arguments:
string -- definition string (default=None)
"""
self.duration = 'keypress'
self.start_response_interval = 'no'
self.item_type = 'sketchpad'
self.elements = []
if not hasattr(self, 'description'):
self.description = 'Displays stimuli'
item.item.__init__(self, name, experiment, string)
def from_string(self, string):
"""
Reads a sketchpad from string.
Arguments:
string -- the unicode string containing the sketchpad definition
"""
for line in string.split(u'\n'):
if not self.parse_variable(line):
l = self.split(line)
if len(l) > 0:
if l[0] == u'draw':
if len(l) == 1:
raise exceptions.script_error( \
"Incomplete draw command '%s'" % line)
element_name = l[1]
if not hasattr(elements, element_name):
raise exceptions.script_error( \
"Unknown sketchpad element '%s'" % element_name)
element_class = getattr(elements, element_name)
element = element_class(self, l)
self.elements.append(element)
else:
raise exceptions.script_error("Unknown command '%s'" \
% line)
def prepare(self):
"""Prepares the sketchpad canvas."""
self.canvas = canvas(self.experiment)
for element in self.elements:
element.render()
def run(self):
"""Shows the sketchpad canvas and optionally sleep or wait for input."""
self.set_item_onset(self.canvas.show())
self.set_sri(self._reset)
self.process_response()
return True
def to_string(self):
"""
Encode sketchpad item as string
Returns:
A definition string
"""
s = item.item.to_string(self, self.item_type)
for element in self.elements:
s += u'\t%s\n' % element.to_string()
return s
def var_info(self):
"""
Return a list of dictionaries with variable descriptions
Returns:
A list of (name, description) tuples
"""
l = item.item.var_info(self)
if self.get("duration", _eval=False) in ["keypress", "mouseclick"]:
l += generic_response.generic_response.var_info(self)
return l
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