def description(self):
if self.repr('at') == get_choice(self.AT_CHOICES, self.STOP) or (
self.repr('at') == get_choice(self.AT_CHOICES, self.LIMIT)):
price = ' = todays {}'.format(self.repr('pr'))
else:
price = ''
return 'Enter tomorrow at {}{}.'.format(self.repr('at'), price)
def description(self):
if self.repr('at') == get_choice(self.AT_CHOICES, self.OPEN):
when = 'on the first trading day'
elif self.repr('at') == get_choice(self.AT_CHOICES, self.CLOSE):
when = 'on the last trading day'
else:
when = 'at the end'
return 'Exit {} of the month at {}.'.format(when, self.repr('at'))
def description(self):
if self.repr('xc') in (
get_choice(_Equity.EXCEED_CHOICES, _Equity.NOT),
get_choice(_Equity.EXCEED_CHOICES, _Equity.ALL)):
exceed = '{}'.format(self.repr('xc'))
else:
exceed = '{} if at least {} of the required cash is available'.\
format(self.repr('xc'), self.repr('pce'))
return 'If there is not enough cash available for the next trade, ' \
'{}.'.format(exceed)
def description(self):
if self.repr('sw') == get_choice(self.SWITCH_CHOICES, self.ON):
if self.repr('mt') == get_choice(_Market.MKT_CHOICES, _Market.ANY):
return 'Exit at {} if the market type is not this method\'s.'.\
format(self.repr('at'))
else:
return 'Exit at {} if the market type is {}.'.format(
self.repr('at'), self.repr('mt'))
else:
return 'This exit is inactive'
def description(self):
if self.repr('nd') == '1':
when = 'tomorrow'
else:
when = 'after {} days on the market'.format(self.repr('nd'))
if self.repr('at') == get_choice(self.AT_CHOICES, self.STOP) or (
self.repr('at') == get_choice(self.AT_CHOICES, self.LIMIT)):
price = ' = todays {}'.format(self.repr('pr'))
else:
price = ''
return 'Exit {} at {}{}.'.format(when, self.repr('at'), price)
def description(self):
if self.repr('mo') == get_choice(self.MODE_CHOICES, self.ONE):
mode = 'angle of channel {} is'.format(self.repr('lb'))
flat = '.'
else:
mode = 'angles of all channels {} {} are'.format(self.repr('mo'),
self.repr('lb'))
flat = ', Flat otherwise.'
return 'Market type is Up if the {} positive, Down if negative{}'.\
format(mode, flat)
def repr(self, parameter, negative=False):
'''
Returns a formatted string that represents the value of this parameter,
even if it is a range or a list of choices.
If <negative> is True, -<value> will be returned in the string.
'''
#TODO: AA: consider using mode as in ModeWidget
choices = self.parameters[parameter].get('choices', None)
fmt = self.parameters[parameter]['format']
sign = -1 if negative else 1
value = self._get_value(parameter)
if isinstance(value, str) or isinstance(value, unicode):
if not choices:
raise ValueError('No choices found for {}'.format(parameter))
return get_choice(choices, value)
elif isinstance(value, tuple): # assign a random value
if choices:
values = [get_choice(choices, v) for v in value]
return '({})'.format(', '.join(values))
else:
lo = fmt.format(sign * value[0])
hi = fmt.format(sign * value[1])
return '[{} to {}]'.format(lo, hi)
elif isinstance(value, list):
if len(value) == 1: # variable
if choices:
return get_choice(choices, value[0])
else:
return fmt.format(sign * value[0])
else: # traverse a list
if choices:
values = [get_choice(choices, v) for v in value]
return '[{}]'.format(', '.join(values))
else:
values = [fmt.format(v) for v in value]
return '[{}]'.format(', '.join(values))
elif not isinstance(value, int) and not isinstance(value, float):
raise TypeError('Invalid type for {}.'.format(parameter))
return fmt.format(sign * value)
def render(self, name, value, attrs=None):
'''
Show a fake dropdown with the value.
'''
print name, self.model, self.choices_dict
if self.model:
val = self.model.objects.get(id=value).name
elif self.choices_dict:
val = get_choice(self.choices_dict, value)
else:
val = value
txt = '<select disabled"/>'
txt += '<option selected="selected">{}</option>'.format(val)
txt += '</select><input type="hidden" name="{}" value="{}" id="id_{}">'\
.format(name, value, name)
return mark_safe(txt)
def get_direction(self):
'''
Return the trade diretion in human readable format
'''
return get_choice(self.DIR_CHOICES, self.direction)
def markettype_str(self):
'''
Return markettype as text
'''
return get_choice(_Market.MKT_CHOICES, self.markettype)
def render(self, name, value, attrs=None):
'''
Return an html string for this widget.
<name> is the string containing the name of the field and <value> is a
variable that contains the value of this parameter, the type of this
value determines what the mode is.
'''
size = 40
error = False
readonly = attrs.get('readonly') == 'readonly'
#determine mode
mode = self.CHOICES if 'choices' in self.parameters else self.INTFLT
if isinstance(value, int) or isinstance(value, float) or \
isinstance(value, str) or isinstance(value, unicode):
mode += self.FIXED
elif not len(value):
raise ValueError('iterable parameter must not be empty')
else:
if isinstance(value, tuple):
mode += self.RANDOM
elif isinstance(value, list):
mode += self.VARIABLE if len(value) == 1 else self.LIST
else:
raise TypeError('invalid value type: {}'.format(type(value)))
if isinstance(value[0], int) or isinstance(value[0], float):
# mode should be self.INTFLT
pass
elif isinstance(value[0], str) or isinstance(value[0], unicode):
# mode should be self.CHOICES
if mode & self.INTFLT:
error = True
else:
raise TypeError('invalid type in iterable: {}'.format(type(
value[0])))
print 'MODE = ', mode, name, value
if mode & self.INTFLT:
if mode & self.FIXED:
val = '={}'.format(value)
elif mode & self.RANDOM:
val = '{} {}'.format(value[0], value[1])
elif mode & self.LIST:
fmt = self.parameters['format'].partition('}')[0].partition('{')
fmt = '{' + fmt[2] + '}' # remove everything outside {}
if error:
val = value
else:
val = ', '.join(fmt.format(v) for v in value)
elif mode & self.VARIABLE:
val = value[0]
d = ''
if readonly and ((mode & self.FIXED) or (mode & self.RANDOM)):
d = ' readonly'
html = '<input type="text" size="{0}" name="{1}" value="{2}" '\
'id="id_{1}"{3}/>'.format(size, name, val, d)
elif mode & self.CHOICES:
if readonly and ((mode & self.FIXED) or (mode & self.RANDOM)):
# show a fake dropdown
if mode & self.RANDOM:
val = '- random -'
value = '-RND-'
else:
val = '=' + get_choice(self.parameters['choices'], value)
value = '={}'.format(value)
html = '<select disabled"/><option selected="selected">'
html += '{}</option></select>'.format(val)
# The actual value of this parameter is specified here:
print '**', name, val, value
html += '<input type="hidden" name="{}" value="{}" id="id_{}">'\
.format(name, value, name)
else:
html = '<select name="{0}" id="id_{0}"/>'.format(name)
s = ' selected="selected"' if (mode & self.LIST) else ''
html += '<option value="-ALL-"{}>- all -</option>'.format(s)
if not readonly or (mode == self.RANDOM):
s = ' selected="selected"' if (mode & self.RANDOM) else ''
html += '<option value="-RND-"{}>- random -</option>'.\
format(s)
html += '<optgroup label="Variable:">'
for c1, c2 in self.parameters['choices']:
s = ''
if (mode & self.VARIABLE) and (str(c1) == str(value[0])):
s = ' selected="selected"'
html += '<option value="{}"{}>{}</option>'.format(c1, s, c2)
html += '</optgroup>'
if not readonly or (mode == self.FIXED) or (mode == self.RANDOM):
html += '<optgroup label="Fixed:">'
for c1, c2 in self.parameters['choices']:
s = ''
if (mode & self.FIXED) and (str(c1) == str(value)):
s = ' selected="selected"'
html += '<option value="={}"{}>={}</option>'.format(
c1, s, c2)
html += '</optgroup>'
html += '</select>'
html += '<input type="hidden" name="{}_MODE" value="{}">'.\
format(name, mode)
return mark_safe(html)
def description(self):
if self.repr('sw') == get_choice(self.SWITCH_CHOICES, self.ON):
return 'Exit at {} if the market type has changed.'.format(
self.repr('at'))
else:
return 'This exit is inactive'
def description(self):
ra = ''
if self.repr('ra') == get_choice(self.SWITCH_CHOICES, self.ON):
ra = ' Adjust the bottom line in the direction of the trade.'
return 'Exit tomorrow at market if the price goes below the bottom '\
'line of the rank channel.{}'.format(ra)
def description(self):
ra = ''
if self.repr('ra') == get_choice(self.SWITCH_CHOICES, self.ON):
ra = ' Adjust the top line in the direction of the trade.'
return 'Exit tomorrow at market if the price goes above the top '\
'line of the {} channel.{}'.format(self.repr('lb'), ra)
def render_method(self, record):
return '{}'.format(get_choice(record.method.DIR_CHOICES,
record.method.direction))