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Reorg table widgets into a new module

kivy_mainline_and_py3.8
Tyler Goodlet 2019-01-02 21:12:42 -05:00
parent 4895690642
commit fa6bae1f5c
3 changed files with 475 additions and 461 deletions
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463
piker/ui/monitor.py
View File

@ -5,483 +5,26 @@ Launch with ``piker monitor <watchlist name>``.
(Currently there's a bunch of questrade specific stuff in here) (Currently there's a bunch of questrade specific stuff in here)
""" """
from itertools import chain
from types import ModuleType, AsyncGeneratorType from types import ModuleType, AsyncGeneratorType
from typing import List, Callable from typing import List, Callable
from bisect import bisect
import trio import trio
import tractor import tractor
from kivy.uix.boxlayout import BoxLayout from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout
from kivy.uix.stacklayout import StackLayout
from kivy.uix.button import Button
from kivy.lang import Builder from kivy.lang import Builder
from kivy import utils
from kivy.app import async_runTouchApp from kivy.app import async_runTouchApp
from kivy.core.window import Window from kivy.core.window import Window
from kivy.properties import BooleanProperty
from .tabular import (
Row, TickerTable, _kv, _black_rgba, colorcode,
)
from ..log import get_logger from ..log import get_logger
from .pager import PagerView from .pager import PagerView
from .kivy.mouse_over import new_mouse_over_group
HoverBehavior = new_mouse_over_group()
log = get_logger('monitor') log = get_logger('monitor')
_colors2hexs = {
'darkgray': 'a9a9a9',
'gray': '808080',
'green': '008000',
'forestgreen': '228b22',
'red2': 'ff3333',
'red': 'ff0000',
'firebrick': 'b22222',
}
_colors = {key: utils.rgba(val) for key, val in _colors2hexs.items()}
def colorcode(name):
return _colors[name if name else 'gray']
_bs = 0.75 # border size
_fs = 20 # font size
# medium shade of gray that seems to match the
# default i3 window borders
_i3_rgba = [0.14]*3 + [1]
# slightly off black like the jellybean bg from
# vim colorscheme
_cell_rgba = [0.07]*3 + [1]
_black_rgba = [0]*4
_kv = (f'''
#:kivy 1.10.0
<Cell>
font_size: {_fs}
# make text wrap to botom
text_size: self.size
halign: 'center'
valign: 'middle'
size: self.texture_size
# don't set these as the update loop already does it
# color: {colorcode('gray')}
# font_color: {colorcode('gray')}
# font_name: 'Hack-Regular'
# if `highlight` is set use i3 color by default transparent; use row color
# this is currently used for expiry cells on the options chain
background_color: {_i3_rgba} if self.click_toggle else {_black_rgba}
# must be set to allow 'plain bg colors' since default texture is grey
# but right now is only set for option chain expiry buttons
# background_normal: ''
# spacing: 0, 0
# padding: 3, 3
<HeaderCell>
font_size: {_fs}
# canvas.before:
# Color:
# rgba: [0.13]*4
# BorderImage: # use a fixed size border
# pos: self.pos
# size: [self.size[0] - {_bs}, self.size[1]]
# # 0s are because the containing TickerTable already has spacing
# # border: [0, {_bs} , 0, {_bs}]
# border: [0, {_bs} , 0, 0]
<TickerTable>
spacing: [{_bs}]
# row_force_default: True
row_default_height: 56
cols: 1
canvas.before:
Color:
# i3 style gray as background
rgba: {_i3_rgba}
Rectangle:
# scale with container self here refers to the widget i.e BoxLayout
pos: self.pos
size: self.size
<BidAskLayout>
spacing: [{_bs}, 0]
<Row>
# minimum_height: 200 # should be pulled from Cell text size
# minimum_width: 200
# row_force_default: True
# row_default_height: 61 # determines the header row size
padding: [0]*4
spacing: [0]
canvas.before:
Color:
rgba: {_cell_rgba}
Rectangle:
# self here refers to the widget i.e Row(GridLayout)
pos: self.pos
size: self.size
# row higlighting on mouse over
Color:
rgba: {_i3_rgba}
# RoundedRectangle:
Rectangle:
size: self.width, self.height if self.hovered else 1
pos: self.pos
# radius: (0,)
# part of the `PagerView`
<SearchBar>
size_hint: 1, None
# static size of 51 px
height: 51
font_size: 25
background_color: {_i3_rgba}
''')
class Cell(Button):
"""Data cell: the fundemental widget.
``key`` is the column name index value.
"""
click_toggle = BooleanProperty(False)
def __init__(self, key=None, is_header=False, **kwargs):
super(Cell, self).__init__(**kwargs)
self.key = key
self.row = None
self.is_header = is_header
def on_press(self, value=None):
self.row.on_press()
class HeaderCell(Cell):
"""Column header cell label.
"""
def on_press(self, value=None):
"""Clicking on a col header indicates to sort rows by this column
in `update_quotes()`.
"""
table = self.row.table
# if this is a row header cell then sort by the clicked field
if self.row.is_header:
table.sort_key = self.key
last = table.last_clicked_col_cell
if last and last is not self:
last.underline = False
last.bold = False
# outline the header text to indicate it's been the last clicked
self.underline = True
self.bold = True
# mark this cell as the last selected
table.last_clicked_col_cell = self
# sort and render the rows immediately
self.row.table.render_rows(table.symbols2rows.values())
# TODO: make this some kind of small geometry instead
# (maybe like how trading view does it).
# allow highlighting of row headers for tracking
elif self.is_header:
if self.background_color == self.color:
self.background_color = _black_rgba
else:
self.background_color = self.color
class BidAskLayout(StackLayout):
"""Cell which houses three buttons containing a last, bid, and ask in a
single unit oriented with the last 2 under the first.
"""
def __init__(self, values, header=False, **kwargs):
# uncomment to get vertical stacked bid-ask
# super(BidAskLayout, self).__init__(orientation='bt-lr', **kwargs)
super(BidAskLayout, self).__init__(orientation='lr-tb', **kwargs)
assert len(values) == 3, "You can only provide 3 values: last,bid,ask"
self._keys2cells = {}
cell_type = HeaderCell if header else Cell
top_size = cell_type().font_size
small_size = top_size - 4
top_prop = 0.5 # proportion of size used by top cell
bottom_prop = 1 - top_prop
for (key, size_hint, font_size), value in zip(
[('last', (1, top_prop), top_size),
('bid', (0.5, bottom_prop), small_size),
('ask', (0.5, bottom_prop), small_size)],
# uncomment to get vertical stacked bid-ask
# [('last', (top_prop, 1), top_size),
# ('bid', (bottom_prop, 0.5), small_size),
# ('ask', (bottom_prop, 0.5), small_size)],
values
):
cell = cell_type(
text=str(value),
size_hint=size_hint,
# width=self.width/2 - 3,
font_size=font_size
)
self._keys2cells[key] = cell
cell.key = value
cell.is_header = header
setattr(self, key, cell)
self.add_widget(cell)
# should be assigned by referrer
self.row = None
def get_cell(self, key):
return self._keys2cells.get(key)
@property
def row(self):
return self.row
@row.setter
def row(self, row):
# so hideous
for cell in self.cells:
cell.row = row
@property
def cells(self):
return [self.last, self.bid, self.ask]
class Row(HoverBehavior, GridLayout):
"""A grid for displaying a row of ticker quote data.
"""
def __init__(
self,
record,
headers=(),
no_cell=(),
bidasks=None,
table=None,
is_header=False,
cell_type=None,
**kwargs
):
super().__init__(cols=len(record), **kwargs)
self._cell_widgets = {}
self._last_record = record
self.table = table
self.is_header = is_header
self._cell_type = cell_type
self.widget = self
# Create `BidAskCells` first.
# bid/ask cells are just 3 cells grouped in a
# ``BidAskLayout`` which just stacks the parent cell
# on top of 2 children.
layouts = {}
bidasks = bidasks or {}
ba_cells = {}
for key, children in bidasks.items():
layout = BidAskLayout(
[record[key]] + [record[child] for child in children],
header=is_header
)
layout.row = self
layouts[key] = layout
for i, child in enumerate([key] + children):
ba_cells[child] = layout.cells[i]
children_flat = list(chain.from_iterable(bidasks.values()))
self._cell_widgets.update(ba_cells)
# build out row using Cell labels
for (key, val) in record.items():
header = key in headers
# handle bidask cells
if key in layouts:
self.add_widget(layouts[key])
elif key in children_flat:
# these cells have already been added to the `BidAskLayout`
continue
elif key not in no_cell:
cell = self._append_cell(val, key, header=header)
cell.key = key
self._cell_widgets[key] = cell
def iter_cells(self):
return self._cell_widgets.items()
def get_cell(self, key):
return self._cell_widgets.get(key)
def get_field(self, key):
return self._last_record[key]
def _append_cell(self, text, key, header=False):
if not len(self._cell_widgets) < self.cols:
raise ValueError(f"Can not append more then {self.cols} cells")
# header cells just have a different colour
celltype = self._cell_type or (HeaderCell if header else Cell)
cell = celltype(text=str(text), key=key)
cell.is_header = header
cell.row = self
self.add_widget(cell)
return cell
def update(self, record, displayable):
"""Update this row's cells with new values from a quote
``record``.
Return all cells that changed in a ``dict``.
"""
# color changed field values
cells = {}
gray = colorcode('gray')
fgreen = colorcode('forestgreen')
red = colorcode('red2')
for key, val in record.items():
last = self.get_field(key)
color = gray
try:
# logic for cell text coloring: up-green, down-red
if last < val:
color = fgreen
elif last > val:
color = red
except TypeError:
log.warn(f"wtf QT {val} is not regular?")
cell = self.get_cell(key)
# some displayable fields might have specifically
# not had cells created as set in the `no_cell` attr
if cell is not None:
cell.text = str(displayable[key])
cell.color = color
if color != gray:
cells[key] = cell
self._last_record = record
return cells
# mouse over handlers
def on_enter(self):
"""Highlight layout on enter.
"""
log.debug(
f"Entered row {self} through {self.border_point}")
# don't highlight header row
if self.is_header:
self.hovered = False
def on_leave(self):
"""Un-highlight layout on exit.
"""
log.debug(
f"Left row {self} through {self.border_point}")
def on_press(self, value=None):
log.info(f"Pressed row for {self._last_record['symbol']}")
if self.table and not self.is_header:
for q in self.table._click_queues:
q.put_nowait(self._last_record['symbol'])
class TickerTable(GridLayout):
"""A grid for displaying ticker quote records as a table.
"""
def __init__(self, sort_key='%', auto_sort=True, **kwargs):
super(TickerTable, self).__init__(**kwargs)
self.symbols2rows = {}
self.sort_key = sort_key
# for tracking last clicked column header cell
self.last_clicked_col_cell = None
self._auto_sort = auto_sort
self._symbols2index = {}
self._sorted = []
self._click_queues: List[trio.Queue] = []
def append_row(self, key, row):
"""Append a `Row` of `Cell` objects to this table.
"""
# store ref to each row
self.symbols2rows[key] = row
self.add_widget(row)
self._sorted.append(row)
return row
def clear(self):
self.clear_widgets()
self._sorted.clear()
def render_rows(
self,
changed: set,
sort_key: str = None,
):
"""Sort and render all rows on the ticker grid from ``syms2rows``.
"""
sort_key = sort_key or self.sort_key
key_row_pairs = list(sorted(
[(row.get_field(sort_key), row) for row in self._sorted],
key=lambda item: item[0],
))
if key_row_pairs:
sorted_keys, sorted_rows = zip(*key_row_pairs)
sorted_keys, sorted_rows = list(sorted_keys), list(sorted_rows)
else:
sorted_keys, sorted_rows = [], []
# now remove and re-insert any rows that need to be shuffled
# due to new a new field change
for row in changed:
try:
old_index = sorted_rows.index(row)
except ValueError:
# row is not yet added so nothing to remove
pass
else:
del sorted_rows[old_index]
del sorted_keys[old_index]
self._sorted.remove(row)
self.remove_widget(row)
for row in changed:
key = row.get_field(sort_key)
index = bisect(sorted_keys, key)
sorted_keys.insert(index, key)
self._sorted.insert(index, row)
self.add_widget(row, index=index)
def ticker_search(self, patt):
"""Return sequence of matches when pattern ``patt`` is in a
symbol name. Most naive algo possible for the moment.
"""
for symbol, row in self.symbols2rows.items():
if patt in symbol:
yield symbol, row
def get_row(self, symbol: str) -> Row:
return self.symbols2rows[symbol]
def search(self, patt):
"""Search bar api compat.
"""
return dict(self.ticker_search(patt)) or {}
async def update_quotes( async def update_quotes(
nursery: trio._core._run.Nursery, nursery: trio._core._run.Nursery,
formatter: Callable, formatter: Callable,

3
piker/ui/option_chain.py
View File

@ -20,7 +20,8 @@ from ..log import get_logger
from ..brokers.core import contracts from ..brokers.core import contracts
from .pager import PagerView from .pager import PagerView
from .monitor import Row, HeaderCell, Cell, TickerTable, update_quotes from .tabular import Row, HeaderCell, Cell, TickerTable
from .monitor import update_quotes
log = get_logger('option_chain') log = get_logger('option_chain')

470
piker/ui/tabular.py 100644
View File

@ -0,0 +1,470 @@
"""
Real-time table components
"""
from itertools import chain
from typing import List
from bisect import bisect
import trio
from kivy.uix.gridlayout import GridLayout
from kivy.uix.stacklayout import StackLayout
from kivy.uix.button import Button
from kivy import utils
from kivy.properties import BooleanProperty
from ..log import get_logger
from .kivy.mouse_over import new_mouse_over_group
HoverBehavior = new_mouse_over_group()
log = get_logger('monitor')
_colors2hexs = {
'darkgray': 'a9a9a9',
'gray': '808080',
'green': '008000',
'forestgreen': '228b22',
'red2': 'ff3333',
'red': 'ff0000',
'firebrick': 'b22222',
}
_colors = {key: utils.rgba(val) for key, val in _colors2hexs.items()}
def colorcode(name):
return _colors[name if name else 'gray']
_bs = 0.75 # border size
_fs = 20 # font size
# medium shade of gray that seems to match the
# default i3 window borders
_i3_rgba = [0.14]*3 + [1]
# slightly off black like the jellybean bg from
# vim colorscheme
_cell_rgba = [0.07]*3 + [1]
_black_rgba = [0]*4
_kv = (f'''
#:kivy 1.10.0
<Cell>
font_size: {_fs}
# make text wrap to botom
text_size: self.size
halign: 'center'
valign: 'middle'
size: self.texture_size
# don't set these as the update loop already does it
# color: {colorcode('gray')}
# font_color: {colorcode('gray')}
# font_name: 'Hack-Regular'
# if `highlight` is set use i3 color by default transparent; use row color
# this is currently used for expiry cells on the options chain
background_color: {_i3_rgba} if self.click_toggle else {_black_rgba}
# must be set to allow 'plain bg colors' since default texture is grey
# but right now is only set for option chain expiry buttons
# background_normal: ''
# spacing: 0, 0
# padding: 3, 3
<HeaderCell>
font_size: {_fs}
# canvas.before:
# Color:
# rgba: [0.13]*4
# BorderImage: # use a fixed size border
# pos: self.pos
# size: [self.size[0] - {_bs}, self.size[1]]
# # 0s are because the containing TickerTable already has spacing
# # border: [0, {_bs} , 0, {_bs}]
# border: [0, {_bs} , 0, 0]
<TickerTable>
spacing: [{_bs}]
# row_force_default: True
row_default_height: 56
cols: 1
canvas.before:
Color:
# i3 style gray as background
rgba: {_i3_rgba}
Rectangle:
# scale with container self here refers to the widget i.e BoxLayout
pos: self.pos
size: self.size
<BidAskLayout>
spacing: [{_bs}, 0]
<Row>
# minimum_height: 200 # should be pulled from Cell text size
# minimum_width: 200
# row_force_default: True
# row_default_height: 61 # determines the header row size
padding: [0]*4
spacing: [0]
canvas.before:
Color:
rgba: {_cell_rgba}
Rectangle:
# self here refers to the widget i.e Row(GridLayout)
pos: self.pos
size: self.size
# row higlighting on mouse over
Color:
rgba: {_i3_rgba}
# RoundedRectangle:
Rectangle:
size: self.width, self.height if self.hovered else 1
pos: self.pos
# radius: (0,)
# part of the `PagerView`
<SearchBar>
size_hint: 1, None
# static size of 51 px
height: 51
font_size: 25
background_color: {_i3_rgba}
''')
class Cell(Button):
"""Data cell: the fundemental widget.
``key`` is the column name index value.
"""
click_toggle = BooleanProperty(False)
def __init__(self, key=None, is_header=False, **kwargs):
super(Cell, self).__init__(**kwargs)
self.key = key
self.row = None
self.is_header = is_header
def on_press(self, value=None):
self.row.on_press()
class HeaderCell(Cell):
"""Column header cell label.
"""
def on_press(self, value=None):
"""Clicking on a col header indicates to sort rows by this column
in `update_quotes()`.
"""
table = self.row.table
# if this is a row header cell then sort by the clicked field
if self.row.is_header:
table.sort_key = self.key
last = table.last_clicked_col_cell
if last and last is not self:
last.underline = False
last.bold = False
# outline the header text to indicate it's been the last clicked
self.underline = True
self.bold = True
# mark this cell as the last selected
table.last_clicked_col_cell = self
# sort and render the rows immediately
self.row.table.render_rows(table.symbols2rows.values())
# TODO: make this some kind of small geometry instead
# (maybe like how trading view does it).
# allow highlighting of row headers for tracking
elif self.is_header:
if self.background_color == self.color:
self.background_color = _black_rgba
else:
self.background_color = self.color
class BidAskLayout(StackLayout):
"""Cell which houses three buttons containing a last, bid, and ask in a
single unit oriented with the last 2 under the first.
"""
def __init__(self, values, header=False, **kwargs):
# uncomment to get vertical stacked bid-ask
# super(BidAskLayout, self).__init__(orientation='bt-lr', **kwargs)
super(BidAskLayout, self).__init__(orientation='lr-tb', **kwargs)
assert len(values) == 3, "You can only provide 3 values: last,bid,ask"
self._keys2cells = {}
cell_type = HeaderCell if header else Cell
top_size = cell_type().font_size
small_size = top_size - 4
top_prop = 0.5 # proportion of size used by top cell
bottom_prop = 1 - top_prop
for (key, size_hint, font_size), value in zip(
[('last', (1, top_prop), top_size),
('bid', (0.5, bottom_prop), small_size),
('ask', (0.5, bottom_prop), small_size)],
# uncomment to get vertical stacked bid-ask
# [('last', (top_prop, 1), top_size),
# ('bid', (bottom_prop, 0.5), small_size),
# ('ask', (bottom_prop, 0.5), small_size)],
values
):
cell = cell_type(
text=str(value),
size_hint=size_hint,
# width=self.width/2 - 3,
font_size=font_size
)
self._keys2cells[key] = cell
cell.key = value
cell.is_header = header
setattr(self, key, cell)
self.add_widget(cell)
# should be assigned by referrer
self.row = None
def get_cell(self, key):
return self._keys2cells.get(key)
@property
def row(self):
return self.row
@row.setter
def row(self, row):
# so hideous
for cell in self.cells:
cell.row = row
@property
def cells(self):
return [self.last, self.bid, self.ask]
class Row(HoverBehavior, GridLayout):
"""A grid for displaying a row of ticker quote data.
"""
def __init__(
self,
record,
headers=(),
no_cell=(),
bidasks=None,
table=None,
is_header=False,
cell_type=None,
**kwargs
):
super().__init__(cols=len(record), **kwargs)
self._cell_widgets = {}
self._last_record = record
self.table = table
self.is_header = is_header
self._cell_type = cell_type
self.widget = self
# Create `BidAskCells` first.
# bid/ask cells are just 3 cells grouped in a
# ``BidAskLayout`` which just stacks the parent cell
# on top of 2 children.
layouts = {}
bidasks = bidasks or {}
ba_cells = {}
for key, children in bidasks.items():
layout = BidAskLayout(
[record[key]] + [record[child] for child in children],
header=is_header
)
layout.row = self
layouts[key] = layout
for i, child in enumerate([key] + children):
ba_cells[child] = layout.cells[i]
children_flat = list(chain.from_iterable(bidasks.values()))
self._cell_widgets.update(ba_cells)
# build out row using Cell labels
for (key, val) in record.items():
header = key in headers
# handle bidask cells
if key in layouts:
self.add_widget(layouts[key])
elif key in children_flat:
# these cells have already been added to the `BidAskLayout`
continue
elif key not in no_cell:
cell = self._append_cell(val, key, header=header)
cell.key = key
self._cell_widgets[key] = cell
def iter_cells(self):
return self._cell_widgets.items()
def get_cell(self, key):
return self._cell_widgets.get(key)
def get_field(self, key):
return self._last_record[key]
def _append_cell(self, text, key, header=False):
if not len(self._cell_widgets) < self.cols:
raise ValueError(f"Can not append more then {self.cols} cells")
# header cells just have a different colour
celltype = self._cell_type or (HeaderCell if header else Cell)
cell = celltype(text=str(text), key=key)
cell.is_header = header
cell.row = self
self.add_widget(cell)
return cell
def update(self, record, displayable):
"""Update this row's cells with new values from a quote
``record``.
Return all cells that changed in a ``dict``.
"""
# color changed field values
cells = {}
gray = colorcode('gray')
fgreen = colorcode('forestgreen')
red = colorcode('red2')
for key, val in record.items():
last = self.get_field(key)
color = gray
try:
# logic for cell text coloring: up-green, down-red
if last < val:
color = fgreen
elif last > val:
color = red
except TypeError:
log.warn(f"wtf QT {val} is not regular?")
cell = self.get_cell(key)
# some displayable fields might have specifically
# not had cells created as set in the `no_cell` attr
if cell is not None:
cell.text = str(displayable[key])
cell.color = color
if color != gray:
cells[key] = cell
self._last_record = record
return cells
# mouse over handlers
def on_enter(self):
"""Highlight layout on enter.
"""
log.debug(
f"Entered row {self} through {self.border_point}")
# don't highlight header row
if self.is_header:
self.hovered = False
def on_leave(self):
"""Un-highlight layout on exit.
"""
log.debug(
f"Left row {self} through {self.border_point}")
def on_press(self, value=None):
log.info(f"Pressed row for {self._last_record['symbol']}")
if self.table and not self.is_header:
for q in self.table._click_queues:
q.put_nowait(self._last_record['symbol'])
class TickerTable(GridLayout):
"""A grid for displaying ticker quote records as a table.
"""
def __init__(self, sort_key='%', auto_sort=True, **kwargs):
super(TickerTable, self).__init__(**kwargs)
self.symbols2rows = {}
self.sort_key = sort_key
# for tracking last clicked column header cell
self.last_clicked_col_cell = None
self._auto_sort = auto_sort
self._symbols2index = {}
self._sorted = []
self._click_queues: List[trio.Queue] = []
def append_row(self, key, row):
"""Append a `Row` of `Cell` objects to this table.
"""
# store ref to each row
self.symbols2rows[key] = row
self.add_widget(row)
self._sorted.append(row)
return row
def clear(self):
self.clear_widgets()
self._sorted.clear()
def render_rows(
self,
changed: set,
sort_key: str = None,
):
"""Sort and render all rows on the ticker grid from ``syms2rows``.
"""
sort_key = sort_key or self.sort_key
key_row_pairs = list(sorted(
[(row.get_field(sort_key), row) for row in self._sorted],
key=lambda item: item[0],
))
if key_row_pairs:
sorted_keys, sorted_rows = zip(*key_row_pairs)
sorted_keys, sorted_rows = list(sorted_keys), list(sorted_rows)
else:
sorted_keys, sorted_rows = [], []
# now remove and re-insert any rows that need to be shuffled
# due to new a new field change
for row in changed:
try:
old_index = sorted_rows.index(row)
except ValueError:
# row is not yet added so nothing to remove
pass
else:
del sorted_rows[old_index]
del sorted_keys[old_index]
self._sorted.remove(row)
self.remove_widget(row)
for row in changed:
key = row.get_field(sort_key)
index = bisect(sorted_keys, key)
sorted_keys.insert(index, key)
self._sorted.insert(index, row)
self.add_widget(row, index=index)
def ticker_search(self, patt):
"""Return sequence of matches when pattern ``patt`` is in a
symbol name. Most naive algo possible for the moment.
"""
for symbol, row in self.symbols2rows.items():
if patt in symbol:
yield symbol, row
def get_row(self, symbol: str) -> Row:
return self.symbols2rows[symbol]
def search(self, patt):
"""Search bar api compat.
"""
return dict(self.ticker_search(patt)) or {}