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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

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<h1>Source code for matplotlib.table</h1><div class="highlight"><pre>

"""

Place a table below the x-axis at location loc.

The table consists of a grid of cells.

The grid need not be rectangular and can have holes.

Cells are added by specifying their row and column.

For the purposes of positioning the cell at (0, 0) is

assumed to be at the top left and the cell at (max_row, max_col)

is assumed to be at bottom right.

You can add additional cells outside this range to have convenient

ways of positioning more interesting grids.

Author : John Gill <jng@europe.renre.com>

Copyright : 2004 John Gill and John Hunter

License : matplotlib license

"""

import warnings

from . import artist, cbook, docstring

from .artist import Artist, allow_rasterization

from .patches import Rectangle

from .text import Text

from .transforms import Bbox

from .path import Path

<div class="viewcode-block" id="Cell"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell">[docs]</a>class Cell(Rectangle):

"""

A cell is a `.Rectangle` with some associated text.

"""

PAD = 0.1 # padding between text and rectangle

def __init__(self, xy, width, height,

edgecolor='k', facecolor='w',

fill=True,

text='',

loc=None,

fontproperties=None

):

# Call base

Rectangle.__init__(self, xy, width=width, height=height,

edgecolor=edgecolor, facecolor=facecolor)

self.set_clip_on(False)

# Create text object

if loc is None:

loc = 'right'

self._loc = loc

self._text = Text(x=xy[0], y=xy[1], text=text,

fontproperties=fontproperties)

self._text.set_clip_on(False)

<div class="viewcode-block" id="Cell.set_transform"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.set_transform">[docs]</a> def set_transform(self, trans):

Rectangle.set_transform(self, trans)

# the text does not get the transform!

self.stale = True</div>

<div class="viewcode-block" id="Cell.set_figure"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.set_figure">[docs]</a> def set_figure(self, fig):

Rectangle.set_figure(self, fig)

self._text.set_figure(fig)</div>

<div class="viewcode-block" id="Cell.get_text"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.get_text">[docs]</a> def get_text(self):

"""Return the cell `.Text` instance."""

return self._text</div>

<div class="viewcode-block" id="Cell.set_fontsize"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.set_fontsize">[docs]</a> def set_fontsize(self, size):

self._text.set_fontsize(size)

self.stale = True</div>

<div class="viewcode-block" id="Cell.get_fontsize"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.get_fontsize">[docs]</a> def get_fontsize(self):

"""Return the cell fontsize."""

return self._text.get_fontsize()</div>

<div class="viewcode-block" id="Cell.auto_set_font_size"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.auto_set_font_size">[docs]</a> def auto_set_font_size(self, renderer):

""" Shrink font size until text fits. """

fontsize = self.get_fontsize()

required = self.get_required_width(renderer)

while fontsize > 1 and required > self.get_width():

fontsize -= 1

self.set_fontsize(fontsize)

return fontsize</div>

<div class="viewcode-block" id="Cell.draw"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.draw">[docs]</a> @allow_rasterization

def draw(self, renderer):

if not self.get_visible():

return

# draw the rectangle

Rectangle.draw(self, renderer)

# position the text

self._set_text_position(renderer)

self._text.draw(renderer)

self.stale = False</div>

def _set_text_position(self, renderer):

""" Set text up so it draws in the right place.

Currently support 'left', 'center' and 'right'

"""

bbox = self.get_window_extent(renderer)

l, b, w, h = bbox.bounds

# draw in center vertically

self._text.set_verticalalignment('center')

y = b + (h / 2.0)

# now position horizontally

if self._loc == 'center':

self._text.set_horizontalalignment('center')

elif self._loc == 'left':

x = l + (w * self.PAD)

else:

x = l + (w * (1.0 - self.PAD))

self._text.set_position((x, y))

<div class="viewcode-block" id="Cell.get_text_bounds"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.get_text_bounds">[docs]</a> def get_text_bounds(self, renderer):

""" Get text bounds in axes co-ordinates. """

bbox = self._text.get_window_extent(renderer)

bboxa = bbox.inverse_transformed(self.get_data_transform())

return bboxa.bounds</div>

<div class="viewcode-block" id="Cell.get_required_width"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.get_required_width">[docs]</a> def get_required_width(self, renderer):

""" Get width required for this cell. """

l, b, w, h = self.get_text_bounds(renderer)

return w * (1.0 + (2.0 * self.PAD))</div>

<div class="viewcode-block" id="Cell.set_text_props"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Cell.set_text_props">[docs]</a> def set_text_props(self, **kwargs):

'update the text properties with kwargs'

self._text.update(kwargs)

self.stale = True</div></div>

<div class="viewcode-block" id="CustomCell"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.CustomCell">[docs]</a>class CustomCell(Cell):

"""

A subclass of Cell where the sides may be visibly toggled.

"""

_edges = 'BRTL'

_edge_aliases = {'open': '',

'closed': _edges, # default

'horizontal': 'BT',

'vertical': 'RL'

}

def __init__(self, *args, visible_edges, **kwargs):

super().__init__(*args, **kwargs)

self.visible_edges = visible_edges

@property

def visible_edges(self):

return self._visible_edges

@visible_edges.setter

def visible_edges(self, value):

if value is None:

self._visible_edges = self._edges

elif value in self._edge_aliases:

self._visible_edges = self._edge_aliases[value]

else:

for edge in value:

if edge not in self._edges:

raise ValueError('Invalid edge param {}, must only be one '

'of {} or string of {}'.format(

value,

", ".join(self._edge_aliases),

self._visible_edges = value

self.stale = True

<div class="viewcode-block" id="CustomCell.get_path"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.CustomCell.get_path">[docs]</a> def get_path(self):

"""

Return a path where the edges specified by _visible_edges are drawn.

"""

codes = [Path.MOVETO]

for edge in self._edges:

if edge in self._visible_edges:

codes.append(Path.LINETO)

else:

if Path.MOVETO not in codes[1:]: # All sides are visible

codes[-1] = Path.CLOSEPOLY

return Path(

[[0.0, 0.0], [1.0, 0.0], [1.0, 1.0], [0.0, 1.0], [0.0, 0.0]],

codes,

readonly=True

)</div></div>

<div class="viewcode-block" id="Table"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table">[docs]</a>class Table(Artist):

"""

Create a table of cells.

Table can have (optional) row and column headers.

Each entry in the table can be either text or patches.

Column widths and row heights for the table can be specified.

Return value is a sequence of text, line and patch instances that make

up the table

"""

codes = {'best': 0,

'upper right': 1, # default

'upper left': 2,

'lower left': 3,

'lower right': 4,

'center left': 5,

'center right': 6,

'lower center': 7,

'upper center': 8,

'center': 9,

'top right': 10,

'top left': 11,

'bottom left': 12,

'bottom right': 13,

'right': 14,

'left': 15,

'top': 16,

'bottom': 17,

}

FONTSIZE = 10

AXESPAD = 0.02 # the border between the axes and table edge

def __init__(self, ax, loc=None, bbox=None, **kwargs):

Artist.__init__(self)

if isinstance(loc, str):

if loc not in self.codes:

warnings.warn('Unrecognized location %s. Falling back on '

'bottom; valid locations are\n%s\t' %

(loc, '\n\t'.join(self.codes)))

loc = 'bottom'

loc = self.codes[loc]

self.set_figure(ax.figure)

self._axes = ax

self._loc = loc

self._bbox = bbox

# use axes coords

self.set_transform(ax.transAxes)

self._texts = []

self._cells = {}

self._edges = None

self._autoRows = []

self._autoColumns = []

self._autoFontsize = True

self.update(kwargs)

self.set_clip_on(False)

<div class="viewcode-block" id="Table.add_cell"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.add_cell">[docs]</a> def add_cell(self, row, col, *args, **kwargs):

"""

Add a cell to the table.

Parameters

----------

row : int

Row index.

col : int

Column index.

Returns

-------

`CustomCell`: Automatically created cell

"""

xy = (0, 0)

cell = CustomCell(xy, visible_edges=self.edges, *args, **kwargs)

self[row, col] = cell

return cell</div>

def __setitem__(self, position, cell):

"""

Set a custom cell in a given position.

"""

if not isinstance(cell, CustomCell):

raise TypeError('Table only accepts CustomCell')

try:

row, col = position[0], position[1]

except Exception:

raise KeyError('Only tuples length 2 are accepted as coordinates')

cell.set_figure(self.figure)

cell.set_transform(self.get_transform())

cell.set_clip_on(False)

self._cells[row, col] = cell

self.stale = True

def __getitem__(self, position):

"""

Retrieve a custom cell from a given position.

"""

try:

except Exception:

raise KeyError('Only tuples length 2 are accepted as coordinates')

return self._cells[row, col]

@property

def edges(self):

return self._edges

@edges.setter

def edges(self, value):

self._edges = value

self.stale = True

def _approx_text_height(self):

return (self.FONTSIZE / 72.0 * self.figure.dpi /

self._axes.bbox.height * 1.2)

<div class="viewcode-block" id="Table.draw"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.draw">[docs]</a> @allow_rasterization

def draw(self, renderer):

# Need a renderer to do hit tests on mouseevent; assume the last one

# will do

if renderer is None:

renderer = self.figure._cachedRenderer

if renderer is None:

raise RuntimeError('No renderer defined')

if not self.get_visible():

return

renderer.open_group('table')

self._update_positions(renderer)

for key in sorted(self._cells):

self._cells[key].draw(renderer)

renderer.close_group('table')

self.stale = False</div>

def _get_grid_bbox(self, renderer):

"""Get a bbox, in axes co-ordinates for the cells.

Only include those in the range (0,0) to (maxRow, maxCol)"""

boxes = [cell.get_window_extent(renderer)

for (row, col), cell in self._cells.items()

if row >= 0 and col >= 0]

bbox = Bbox.union(boxes)

return bbox.inverse_transformed(self.get_transform())

<div class="viewcode-block" id="Table.contains"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.contains">[docs]</a> def contains(self, mouseevent):

"""Test whether the mouse event occurred in the table.

Returns T/F, {}

"""

if callable(self._contains):

return self._contains(self, mouseevent)

# TODO: Return index of the cell containing the cursor so that the user

# doesn't have to bind to each one individually.

if renderer is not None:

return bbox.contains(mouseevent.x, mouseevent.y), {}

else:

return False, {}</div>

<div class="viewcode-block" id="Table.get_children"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.get_children">[docs]</a> def get_children(self):

"""Return the Artists contained by the table."""

return list(self._cells.values())</div>

get_child_artists = cbook.deprecated("3.0")(get_children)

<div class="viewcode-block" id="Table.get_window_extent"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.get_window_extent">[docs]</a> def get_window_extent(self, renderer):

"""Return the bounding box of the table in window coords."""

for cell in self._cells.values()]

return Bbox.union(boxes)</div>

def _do_cell_alignment(self):

""" Calculate row heights and column widths.

Position cells accordingly.

"""

# Calculate row/column widths

widths = {}

heights = {}

height = heights.setdefault(row, 0.0)

heights[row] = max(height, cell.get_height())

width = widths.setdefault(col, 0.0)

widths[col] = max(width, cell.get_width())

# work out left position for each column

xpos = 0

lefts = {}

for col in sorted(widths):

lefts[col] = xpos

xpos += widths[col]

ypos = 0

bottoms = {}

for row in sorted(heights, reverse=True):

bottoms[row] = ypos

ypos += heights[row]

# set cell positions

cell.set_x(lefts[col])

cell.set_y(bottoms[row])

<div class="viewcode-block" id="Table.auto_set_column_width"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.auto_set_column_width">[docs]</a> def auto_set_column_width(self, col):

""" Given column indexs in either List, Tuple or int. Will be able to

automatically set the columns into optimal sizes.

Here is the example of the input, which triger automatic adjustment on

columns to optimal size by given index numbers.

-1: the row labling

0: the 1st column

1: the 2nd column

Args:

col(List): list of indexs

>>>table.auto_set_column_width([-1,0,1])

col(Tuple): tuple of indexs

>>>table.auto_set_column_width((-1,0,1))

col(int): index integer

>>>table.auto_set_column_width(-1)

>>>table.auto_set_column_width(0)

>>>table.auto_set_column_width(1)

"""

# check for col possibility on iteration

try:

iter(col)

except (TypeError, AttributeError):

self._autoColumns.append(col)

else:

for cell in col:

self.stale = True</div>

def _auto_set_column_width(self, col, renderer):

"""Automatically set width for column."""

cells = [key for key in self._cells if key[1] == col]

# find max width

width = 0

for cell in cells:

c = self._cells[cell]

width = max(c.get_required_width(renderer), width)

# Now set the widths

for cell in cells:

self._cells[cell].set_width(width)

<div class="viewcode-block" id="Table.auto_set_font_size"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.auto_set_font_size">[docs]</a> def auto_set_font_size(self, value=True):

""" Automatically set font size. """

self._autoFontsize = value

self.stale = True</div>

def _auto_set_font_size(self, renderer):

if len(self._cells) == 0:

return

fontsize = next(iter(self._cells.values())).get_fontsize()

cells = []

for key, cell in self._cells.items():

# ignore auto-sized columns

if key[1] in self._autoColumns:

continue

size = cell.auto_set_font_size(renderer)

fontsize = min(fontsize, size)

cells.append(cell)

# now set all fontsizes equal

cell.set_fontsize(fontsize)

<div class="viewcode-block" id="Table.scale"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.scale">[docs]</a> def scale(self, xscale, yscale):

""" Scale column widths by xscale and row heights by yscale. """

for c in self._cells.values():

c.set_width(c.get_width() * xscale)

c.set_height(c.get_height() * yscale)</div>

<div class="viewcode-block" id="Table.set_fontsize"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.set_fontsize">[docs]</a> def set_fontsize(self, size):

"""

Set the font size, in points, of the cell text.

Parameters

----------

size : float

"""

cell.set_fontsize(size)

self.stale = True</div>

def _offset(self, ox, oy):

"""Move all the artists by ox, oy (axes coords)."""

x, y = c.get_x(), c.get_y()

c.set_x(x + ox)

c.set_y(y + oy)

def _update_positions(self, renderer):

# called from renderer to allow more precise estimates of

# widths and heights with get_window_extent

# Do any auto width setting

for col in self._autoColumns:

self._auto_set_column_width(col, renderer)

if self._autoFontsize:

self._auto_set_font_size(renderer)

# Align all the cells

self._do_cell_alignment()

bbox = self._get_grid_bbox(renderer)

if self._bbox is not None:

# Position according to bbox

rl, rb, rw, rh = self._bbox

self.scale(rw / w, rh / h)

ox = rl - l

oy = rb - b

self._do_cell_alignment()

else:

# Position using loc

(BEST, UR, UL, LL, LR, CL, CR, LC, UC, C,

TR, TL, BL, BR, R, L, T, B) = range(len(self.codes))

# defaults for center

ox = (0.5 - w / 2) - l

oy = (0.5 - h / 2) - b

if self._loc in (UL, LL, CL): # left

ox = self.AXESPAD - l

if self._loc in (BEST, UR, LR, R, CR): # right

ox = 1 - (l + w + self.AXESPAD)

if self._loc in (BEST, UR, UL, UC): # upper

oy = 1 - (b + h + self.AXESPAD)

if self._loc in (LL, LR, LC): # lower

oy = self.AXESPAD - b

if self._loc in (LC, UC, C): # center x

if self._loc in (CL, CR, C): # center y

if self._loc in (TL, BL, L): # out left

ox = - (l + w)

if self._loc in (TR, BR, R): # out right

ox = 1.0 - l

if self._loc in (TR, TL, T): # out top

oy = 1.0 - b

if self._loc in (BL, BR, B): # out bottom

oy = - (b + h)

self._offset(ox, oy)

<div class="viewcode-block" id="Table.get_celld"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.Table.get_celld">[docs]</a> def get_celld(self):

"""Return a dict of cells in the table."""

return self._cells</div></div>

<div class="viewcode-block" id="table"><a class="viewcode-back" href="../../api/table_api.html#matplotlib.table.table">[docs]</a>def table(ax,

cellText=None, cellColours=None,

cellLoc='right', colWidths=None,

rowLabels=None, rowColours=None, rowLoc='left',

colLabels=None, colColours=None, colLoc='center',

loc='bottom', bbox=None, edges='closed',

**kwargs):

"""

TABLE(cellText=None, cellColours=None,

cellLoc='right', colWidths=None,

rowLabels=None, rowColours=None, rowLoc='left',

colLabels=None, colColours=None, colLoc='center',

loc='bottom', bbox=None, edges='closed')

Factory function to generate a Table instance.

Thanks to John Gill for providing the class and table.

"""

if cellColours is None and cellText is None:

raise ValueError('At least one argument from "cellColours" or '

'"cellText" must be provided to create a table.')

# Check we have some cellText

if cellText is None:

# assume just colours are needed

rows = len(cellColours)

cols = len(cellColours[0])

cellText = [[''] * cols] * rows

rows = len(cellText)

cols = len(cellText[0])

for row in cellText:

if len(row) != cols:

raise ValueError("Each row in 'cellText' must have {} columns"

.format(cols))

if cellColours is not None:

if len(cellColours) != rows:

raise ValueError("'cellColours' must have {} rows".format(rows))

for row in cellColours:

raise ValueError("Each row in 'cellColours' must have {} "

"columns".format(cols))

else:

cellColours = ['w' * cols] * rows

# Set colwidths if not given

if colWidths is None:

colWidths = [1.0 / cols] * cols

# Fill in missing information for column

# and row labels

rowLabelWidth = 0

if rowLabels is None:

if rowColours is not None:

rowLabels = [''] * rows

rowLabelWidth = colWidths[0]

elif rowColours is None:

rowColours = 'w' * rows

if rowLabels is not None:

if len(rowLabels) != rows:

raise ValueError("'rowLabels' must be of length {0}".format(rows))

# If we have column labels, need to shift

# the text and colour arrays down 1 row

offset = 1

if colLabels is None:

if colColours is not None:

colLabels = [''] * cols

else:

offset = 0

elif colColours is None:

colColours = 'w' * cols

# Set up cell colours if not given

if cellColours is None:

# Now create the table

table = Table(ax, loc, bbox, **kwargs)

table.edges = edges

height = table._approx_text_height()

# Add the cells

for row in range(rows):

for col in range(cols):

table.add_cell(row + offset, col,

width=colWidths[col], height=height,

text=cellText[row][col],

facecolor=cellColours[row][col],

loc=cellLoc)

# Do column labels

if colLabels is not None:

for col in range(cols):

table.add_cell(0, col,

text=colLabels[col], facecolor=colColours[col],

loc=colLoc)

# Do row labels

if rowLabels is not None:

for row in range(rows):

width=rowLabelWidth or 1e-15, height=height,

text=rowLabels[row], facecolor=rowColours[row],

loc=rowLoc)

if rowLabelWidth == 0:

table.auto_set_column_width(-1)

ax.add_table(table)

return table</div>

docstring.interpd.update(Table=artist.kwdoc(Table))

</pre></div>

</div>

</div>

Last updated on Sep 21, 2018.

Created using

<a href="http://sphinx-doc.org/">Sphinx</a> 1.7.9.

Doc version v3.0.0-12-gea132530f.

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