class Employee(HasTraits):
name = Str('<unknown>')
title = Str
phone = Regex(regex=r'\d\d\d-\d\d\d\d')
def default_title(self):
self.title = 'Senior Engineer'
class Employee(HasTraits):
name = Str
age = Int
gender = Enum('Male', 'Female')
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
traits_view = View('name',
'age',
'phone',
title='Create new employee',
width=0.18,
buttons=['OK', 'Cancel'])
class Person(HasStrictTraits):
# Trait definitions:
name = Str
age = Int
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
# Traits view definition:
traits_view = View('name',
'age',
'phone',
width=0.18,
buttons=['OK', 'Cancel'])
class Employee(HasTraits):
first_name = Str
last_name = Str
age = Int
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
traits_view = View('first_name',
'last_name',
'age',
'phone',
title='Create new employee',
width=0.18,
buttons=['OK', 'Cancel'])
class Person(HasStrictTraits):
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
name = Str
age = Int
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
#---------------------------------------------------------------------------
# Traits view definition:
#---------------------------------------------------------------------------
traits_view = View('name',
'age',
'phone',
title='Create new person',
width=0.18,
undo=False,
revert=False,
help=False)
class Person(HasStrictTraits):
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
name = Str
age = Int
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
state = Str
#---------------------------------------------------------------------------
# Traits view definition:
#---------------------------------------------------------------------------
traits_view = View('name',
'age',
'phone',
'state',
title='Create new person',
width=0.18,
buttons=['OK', 'Cancel'])
#------------------------------------------------------------------------------
# Trait definitions
#------------------------------------------------------------------------------
# An ID is one of the following:
# * Any string of alphabetic ([a-zA-Z\200-\377]) characters, underscores
# ('_') or digits ([0-9]), not beginning with a digit;
# * a number [-]?(.[0-9]+ | [0-9]+(.[0-9]*)? );
# * any double-quoted string ("...") possibly containing escaped
# quotes (\")1;
# * an HTML string (<...>).
alphanum = "[a-zA-Z]" #\200-\377] "# | [0-9] "#| [_]"
number = "[-]?(.[0-9]+ | [0-9]+(.[0-9]*)? ) "
dquote = '\" '
html = "<...>"
id_trait = Regex(regex=alphanum + "|" + number + "|" + dquote + "|" + html)
pointf_trait = Tuple(Float, Float, desc="the point (x,y)", graphviz=True)
point_trait = pointf_trait #Either(
# pointf_trait, Tuple(Float, Float, Float, desc="the point (x,y,z)")
#)
color_schemes = [
"X11", "Accent", "Blues", "BRBG", "BUGN", "BUPU", "Dark", "GUBU", "Greens",
"Greys", "Oranges", "OORD", "Paired", "Pastel", "PIYG", "PRGN", "PUBU",
"PUBUGN", "PUOR", "PURD", "Purples", "RDBU", "RDGY", "RDPU", "RDYLBU",
"RDYLGN", "Reds", "Set", "Spectral", "YLGN", "YLGNBU", "YLORBR", "YLORRD"
]
color_scheme_trait = Enum(color_schemes,
class Person(HasStrictTraits):
name = Str
age = Int
phone = Regex(value='000-0000', regex='\d\d\d[-]\d\d\d\d')
traits_view = View('name', 'age', 'phone')
class Position(HasTraits):
""" Simple object to act as a data structure for a position
While all attributes (traits) are optional, classes that contain or
collect instances of the Position class will require the following:
symbol, trans_date, qty, price, total_amt
"""
side = Enum("BUYTOOPEN", ["SELLTOCLOS", "BUYTOOPEN", "SELLTOOPEN", "BUYTOCLOSE"])
symbol = Str
id = Int
description = Str
trans_date = Float
qty = Float
price = Float
multiplier = Float(1.0)
fee = Float
exchange_rate = Float(1.0)
currency = Str("USD")
total_amt = Float
filled = Str
exchange = Str
# The following traits are for viewing and editing the datetime value
# of trans_date (which is a float of seconds since the Epoch)
date_display = Property(Regex(value='11/17/1969',
regex='\d\d[/]\d\d[/]\d\d\d\d'),
depends_on='trans_date')
time_display = Property(Regex(value='12:01:01',
regex='\d\d[:]\d\d[:]\d\d'),
depends_on='trans_date')
# specify default view layout
traits_view = View(Item('symbol', label="Symb"),
Item('date_display'),
Item('time_display'),
Item('qty'),
buttons=['OK', 'Cancel'], resizable=True)
###################################
# Property methods
def _get_date_display(self):
return dt_from_timestamp(self.trans_date, tz=Eastern).strftime("%m/%d/%Y")
def _set_date_display(self, val):
tm = self._get_time_display()
trans_date = datetime.strptime(val+tm, "%m/%d/%Y%H:%M:%S" )
trans_date = trans_date.replace(tzinfo=Eastern)
self.trans_date = dt_to_timestamp(trans_date)
return
def _get_time_display(self):
t = dt_from_timestamp(self.trans_date, tz=Eastern).strftime("%H:%M:%S")
return t
def _set_time_display(self, val):
trans_time = datetime.strptime(self._get_date_display()+val, "%m/%d/%Y%H:%M:%S")
trans_time = trans_time.replace(tzinfo=Eastern)
self.trans_date = dt_to_timestamp(trans_time)
return
###################################
# Override default class methods
# cleaner, more reasonable representation of the object
def __repr__(self):
return "<Position %s %s>" % (self.symbol, self.qty)
# support reasonable sorting based on trans_date
def __cmp__(self, other):
if self.trans_date < other.trans_date:
return -1
elif self.trans_date > other.trans_date:
return 1
else: return 0
#### EOF ####################################################################
