You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
545 lines
16 KiB
545 lines
16 KiB
# -*- coding: utf-8 -*-
|
|
# This file is part of pygal
|
|
#
|
|
# A python svg graph plotting library
|
|
# Copyright © 2012-2025 Kozea
|
|
#
|
|
# This library is free software: you can redistribute it and/or modify it under
|
|
# the terms of the GNU Lesser General Public License as published by the Free
|
|
# Software Foundation, either version 3 of the License, or (at your option) any
|
|
# later version.
|
|
#
|
|
# This library 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 Lesser General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with pygal. If not, see <http://www.gnu.org/licenses/>.
|
|
"""Config module holding all options and their default values."""
|
|
|
|
from copy import deepcopy
|
|
|
|
from pygal import formatters
|
|
from pygal.interpolate import INTERPOLATIONS
|
|
from pygal.style import DefaultStyle, Style
|
|
|
|
CONFIG_ITEMS = []
|
|
callable = type(lambda: 1)
|
|
|
|
|
|
class Key(object):
|
|
"""
|
|
Represents a config parameter.
|
|
|
|
A config parameter has a name, a default value, a type,
|
|
a category, a documentation, an optional longer documentatation
|
|
and an optional subtype for list style option.
|
|
|
|
Most of these informations are used in cabaret to auto generate
|
|
forms representing these options.
|
|
"""
|
|
|
|
_categories = []
|
|
|
|
def __init__(
|
|
self, default_value, type_, category, doc, subdoc="", subtype=None
|
|
):
|
|
"""Create a configuration key"""
|
|
self.value = default_value
|
|
self.type = type_
|
|
self.doc = doc
|
|
self.category = category
|
|
self.subdoc = subdoc
|
|
self.subtype = subtype
|
|
self.name = "Unbound"
|
|
if category not in self._categories:
|
|
self._categories.append(category)
|
|
|
|
CONFIG_ITEMS.append(self)
|
|
|
|
def __repr__(self):
|
|
"""
|
|
Make a documentation repr.
|
|
This is a hack to generate doc from inner doc
|
|
"""
|
|
return """
|
|
Type: %s%s
|
|
Default: %r
|
|
%s%s
|
|
""" % (
|
|
self.type.__name__, (' of %s' % self.subtype.__name__)
|
|
if self.subtype else '', self.value, self.doc,
|
|
(' %s' % self.subdoc) if self.subdoc else ''
|
|
)
|
|
|
|
@property
|
|
def is_boolean(self):
|
|
"""Return `True` if this parameter is a boolean"""
|
|
return self.type == bool
|
|
|
|
@property
|
|
def is_numeric(self):
|
|
"""Return `True` if this parameter is numeric (int or float)"""
|
|
return self.type in (int, float)
|
|
|
|
@property
|
|
def is_string(self):
|
|
"""Return `True` if this parameter is a string"""
|
|
return self.type == str
|
|
|
|
@property
|
|
def is_dict(self):
|
|
"""Return `True` if this parameter is a mapping"""
|
|
return self.type == dict
|
|
|
|
@property
|
|
def is_list(self):
|
|
"""Return `True` if this parameter is a list"""
|
|
return self.type == list
|
|
|
|
def coerce(self, value):
|
|
"""Cast a string into this key type"""
|
|
if self.type == Style:
|
|
return value
|
|
elif self.type == list:
|
|
return self.type(
|
|
map(self.subtype, map(lambda x: x.strip(), value.split(',')))
|
|
)
|
|
elif self.type == dict:
|
|
rv = {}
|
|
for pair in value.split(','):
|
|
key, val = pair.split(':')
|
|
key = key.strip()
|
|
val = val.strip()
|
|
try:
|
|
rv[key] = self.subtype(val)
|
|
except Exception:
|
|
rv[key] = val
|
|
return rv
|
|
return self.type(value)
|
|
|
|
|
|
class MetaConfig(type):
|
|
"""Config metaclass. Used to get the key name and set it on the value."""
|
|
|
|
def __new__(mcs, classname, bases, classdict):
|
|
"""Get the name of the key and set it on the key"""
|
|
for k, v in classdict.items():
|
|
if isinstance(v, Key):
|
|
v.name = k
|
|
|
|
return type.__new__(mcs, classname, bases, classdict)
|
|
|
|
|
|
class BaseConfig(MetaConfig('ConfigBase', (object, ), {})):
|
|
"""
|
|
This class holds the common method for configs.
|
|
|
|
A config object can be instanciated with keyword arguments and
|
|
updated on call with keyword arguments.
|
|
"""
|
|
|
|
def __init__(self, **kwargs):
|
|
"""Can be instanciated with config kwargs"""
|
|
for k in dir(self):
|
|
v = getattr(self, k)
|
|
if (k not in self.__dict__ and not k.startswith('_')
|
|
and not hasattr(v, '__call__')):
|
|
if isinstance(v, Key):
|
|
if v.is_list and v.value is not None:
|
|
v = list(v.value)
|
|
else:
|
|
v = v.value
|
|
setattr(self, k, v)
|
|
self._update(kwargs)
|
|
|
|
def __call__(self, **kwargs):
|
|
"""Can be updated with kwargs"""
|
|
self._update(kwargs)
|
|
|
|
def _update(self, kwargs):
|
|
"""Update the config with the given dictionary"""
|
|
from pygal.util import merge
|
|
dir_self_set = set(dir(self))
|
|
merge(
|
|
self.__dict__,
|
|
dict([(k, v) for (k, v) in kwargs.items()
|
|
if not k.startswith('_') and k in dir_self_set])
|
|
)
|
|
|
|
def to_dict(self):
|
|
"""Export a JSON serializable dictionary of the config"""
|
|
config = {}
|
|
for attr in dir(self):
|
|
if not attr.startswith('__'):
|
|
value = getattr(self, attr)
|
|
if hasattr(value, 'to_dict'):
|
|
config[attr] = value.to_dict()
|
|
elif not hasattr(value, '__call__'):
|
|
config[attr] = value
|
|
return config
|
|
|
|
def copy(self):
|
|
"""Copy this config object into another"""
|
|
return deepcopy(self)
|
|
|
|
|
|
class CommonConfig(BaseConfig):
|
|
"""Class holding options used in both chart and serie configuration"""
|
|
|
|
stroke = Key(
|
|
True, bool, "Look", "Line dots (set it to false to get a scatter plot)"
|
|
)
|
|
|
|
show_dots = Key(True, bool, "Look", "Set to false to remove dots")
|
|
|
|
show_only_major_dots = Key(
|
|
False, bool, "Look",
|
|
"Set to true to show only major dots according to their majored label"
|
|
)
|
|
|
|
dots_size = Key(2.5, float, "Look", "Radius of the dots")
|
|
|
|
fill = Key(False, bool, "Look", "Fill areas under lines")
|
|
|
|
stroke_style = Key(
|
|
None, dict, "Look", "Stroke style of serie element.",
|
|
"This is a dict which can contain a "
|
|
"'width', 'linejoin', 'linecap', 'dasharray' "
|
|
"and 'dashoffset'"
|
|
)
|
|
|
|
rounded_bars = Key(
|
|
None, int, "Look",
|
|
"Set this to the desired radius in px (for Bar-like charts)"
|
|
)
|
|
|
|
inner_radius = Key(
|
|
0, float, "Look", "Piechart inner radius (donut), must be <.9"
|
|
)
|
|
|
|
allow_interruptions = Key(
|
|
False, bool, "Look", "Break lines on None values"
|
|
)
|
|
|
|
formatter = Key(
|
|
None, callable, "Value",
|
|
"A function to convert raw value to strings for this chart or serie",
|
|
"Default to value_formatter in most charts, it depends on dual charts."
|
|
"(Can be overriden by value with the formatter metadata.)"
|
|
)
|
|
|
|
|
|
class Config(CommonConfig):
|
|
"""Class holding config values"""
|
|
|
|
style = Key(
|
|
DefaultStyle, Style, "Style", "Style holding values injected in css"
|
|
)
|
|
|
|
css = Key(
|
|
('file://style.css', 'file://graph.css'), list, "Style",
|
|
"List of css file",
|
|
"It can be any uri from file:///tmp/style.css to //domain/style.css",
|
|
str
|
|
)
|
|
|
|
classes = Key(('pygal-chart', ), list, "Style",
|
|
"Classes of the root svg node", str)
|
|
|
|
defs = Key([], list, "Misc", "Extraneous defs to be inserted in svg",
|
|
"Useful for adding gradients / patterns…", str)
|
|
|
|
# Look #
|
|
title = Key(
|
|
None, str, "Look", "Graph title.", "Leave it to None to disable title."
|
|
)
|
|
|
|
x_title = Key(
|
|
None, str, "Look", "Graph X-Axis title.",
|
|
"Leave it to None to disable X-Axis title."
|
|
)
|
|
|
|
y_title = Key(
|
|
None, str, "Look", "Graph Y-Axis title.",
|
|
"Leave it to None to disable Y-Axis title."
|
|
)
|
|
|
|
width = Key(800, int, "Look", "Graph width")
|
|
|
|
height = Key(600, int, "Look", "Graph height")
|
|
|
|
show_x_guides = Key(
|
|
False, bool, "Look", "Set to true to always show x guide lines"
|
|
)
|
|
|
|
show_y_guides = Key(
|
|
True, bool, "Look", "Set to false to hide y guide lines"
|
|
)
|
|
|
|
show_legend = Key(True, bool, "Look", "Set to false to remove legend")
|
|
|
|
legend_at_bottom = Key(
|
|
False, bool, "Look", "Set to true to position legend at bottom"
|
|
)
|
|
|
|
legend_at_bottom_columns = Key(
|
|
None, int, "Look", "Set to true to position legend at bottom"
|
|
)
|
|
|
|
legend_box_size = Key(12, int, "Look", "Size of legend boxes")
|
|
|
|
rounded_bars = Key(
|
|
None, int, "Look", "Set this to the desired radius in px"
|
|
)
|
|
|
|
stack_from_top = Key(
|
|
False, bool, "Look", "Stack from top to zero, this makes the stacked "
|
|
"data match the legend order"
|
|
)
|
|
|
|
spacing = Key(10, int, "Look", "Space between titles/legend/axes")
|
|
|
|
margin = Key(20, int, "Look", "Margin around chart")
|
|
|
|
margin_top = Key(None, int, "Look", "Margin around top of chart")
|
|
|
|
margin_right = Key(None, int, "Look", "Margin around right of chart")
|
|
|
|
margin_bottom = Key(None, int, "Look", "Margin around bottom of chart")
|
|
|
|
margin_left = Key(None, int, "Look", "Margin around left of chart")
|
|
|
|
tooltip_border_radius = Key(0, int, "Look", "Tooltip border radius")
|
|
|
|
tooltip_fancy_mode = Key(
|
|
True, bool, "Look", "Fancy tooltips",
|
|
"Print legend, x label in tooltip and use serie color for value."
|
|
)
|
|
|
|
inner_radius = Key(
|
|
0, float, "Look", "Piechart inner radius (donut), must be <.9"
|
|
)
|
|
|
|
half_pie = Key(False, bool, "Look", "Create a half-pie chart")
|
|
|
|
reverse_direction = Key(
|
|
False, bool, "Look", "Reverse the direction of the gauge"
|
|
)
|
|
|
|
x_labels = Key(
|
|
None, list, "Label", "X labels, must have same len than data.",
|
|
"Leave it to None to disable x labels display.", str
|
|
)
|
|
|
|
x_labels_major = Key(
|
|
None,
|
|
list,
|
|
"Label",
|
|
"X labels that will be marked major.",
|
|
subtype=str
|
|
)
|
|
|
|
x_labels_major_every = Key(
|
|
None, int, "Label", "Mark every n-th x label as major."
|
|
)
|
|
|
|
x_labels_major_count = Key(
|
|
None, int, "Label", "Mark n evenly distributed labels as major."
|
|
)
|
|
|
|
show_x_labels = Key(True, bool, "Label", "Set to false to hide x-labels")
|
|
|
|
show_minor_x_labels = Key(
|
|
True, bool, "Label", "Set to false to hide x-labels not marked major"
|
|
)
|
|
|
|
y_labels = Key(
|
|
None, list, "Label", "You can specify explicit y labels",
|
|
"Must be a list of numbers", float
|
|
)
|
|
|
|
y_labels_major = Key(
|
|
None,
|
|
list,
|
|
"Label",
|
|
"Y labels that will be marked major. Default: auto",
|
|
subtype=str
|
|
)
|
|
|
|
y_labels_major_every = Key(
|
|
None, int, "Label", "Mark every n-th y label as major."
|
|
)
|
|
|
|
y_labels_major_count = Key(
|
|
None, int, "Label", "Mark n evenly distributed y labels as major."
|
|
)
|
|
|
|
show_minor_y_labels = Key(
|
|
True, bool, "Label", "Set to false to hide y-labels not marked major"
|
|
)
|
|
|
|
show_y_labels = Key(True, bool, "Label", "Set to false to hide y-labels")
|
|
|
|
x_label_rotation = Key(
|
|
0, int, "Label", "Specify x labels rotation angles", "in degrees"
|
|
)
|
|
|
|
y_label_rotation = Key(
|
|
0, int, "Label", "Specify y labels rotation angles", "in degrees"
|
|
)
|
|
|
|
missing_value_fill_truncation = Key(
|
|
"x", str, "Look",
|
|
"Filled series with missing x and/or y values at the end of a series "
|
|
"are closed at the first value with a missing "
|
|
"'x' (default), 'y' or 'either'"
|
|
)
|
|
|
|
# Value #
|
|
x_value_formatter = Key(
|
|
formatters.default, callable, "Value",
|
|
"A function to convert abscissa numeric value to strings "
|
|
"(used in XY and Date charts)"
|
|
)
|
|
|
|
value_formatter = Key(
|
|
formatters.default, callable, "Value",
|
|
"A function to convert ordinate numeric value to strings"
|
|
)
|
|
|
|
logarithmic = Key(
|
|
False, bool, "Value", "Display values in logarithmic scale"
|
|
)
|
|
|
|
interpolate = Key(
|
|
None, str, "Value", "Interpolation",
|
|
"May be %s" % ' or '.join(INTERPOLATIONS)
|
|
)
|
|
|
|
interpolation_precision = Key(
|
|
250, int, "Value", "Number of interpolated points between two values"
|
|
)
|
|
|
|
interpolation_parameters = Key(
|
|
{}, dict, "Value", "Various parameters for parametric interpolations",
|
|
"ie: For hermite interpolation, you can set the cardinal tension with"
|
|
"{'type': 'cardinal', 'c': .5}", int
|
|
)
|
|
|
|
box_mode = Key(
|
|
'extremes', str, "Value", "Sets the mode to be used. "
|
|
"(Currently only supported on box plot)", "May be %s" %
|
|
' or '.join(["1.5IQR", "extremes", "tukey", "stdev", "pstdev"])
|
|
)
|
|
|
|
order_min = Key(
|
|
None, int, "Value", "Minimum order of scale, defaults to None"
|
|
)
|
|
|
|
min_scale = Key(
|
|
4, int, "Value", "Minimum number of scale graduation for auto scaling"
|
|
)
|
|
|
|
max_scale = Key(
|
|
16, int, "Value", "Maximum number of scale graduation for auto scaling"
|
|
)
|
|
|
|
range = Key(
|
|
None, list, "Value", "Explicitly specify min and max of values",
|
|
"(ie: (0, 100))", int
|
|
)
|
|
|
|
secondary_range = Key(
|
|
None, list, "Value",
|
|
"Explicitly specify min and max of secondary values", "(ie: (0, 100))",
|
|
int
|
|
)
|
|
|
|
xrange = Key(
|
|
None, list, "Value", "Explicitly specify min and max of x values "
|
|
"(used in XY and Date charts)", "(ie: (0, 100))", int
|
|
)
|
|
|
|
include_x_axis = Key(False, bool, "Value", "Always include x axis")
|
|
|
|
zero = Key(
|
|
0, int, "Value", "Set the ordinate zero value",
|
|
"Useful for filling to another base than abscissa"
|
|
)
|
|
|
|
# Text #
|
|
no_data_text = Key(
|
|
"No data", str, "Text", "Text to display when no data is given"
|
|
)
|
|
|
|
print_values = Key(False, bool, "Text", "Display values as text over plot")
|
|
|
|
dynamic_print_values = Key(
|
|
False, bool, "Text", "Show values only on hover"
|
|
)
|
|
|
|
print_values_position = Key(
|
|
'center', str, "Text", "Customize position of `print_values`. "
|
|
"(For bars: `top`, `center` or `bottom`)"
|
|
)
|
|
|
|
print_zeroes = Key(True, bool, "Text", "Display zero values as well")
|
|
|
|
print_labels = Key(False, bool, "Text", "Display value labels")
|
|
|
|
truncate_legend = Key(
|
|
None, int, "Text", "Legend string length truncation threshold",
|
|
"None = auto, Negative for none"
|
|
)
|
|
|
|
truncate_label = Key(
|
|
None, int, "Text", "Label string length truncation threshold",
|
|
"None = auto, Negative for none"
|
|
)
|
|
|
|
# Misc #
|
|
js = Key(('//kozea.github.io/pygal.js/2.0.x/pygal-tooltips.min.js', ),
|
|
list, "Misc", "List of js file",
|
|
"It can be any uri from file:///tmp/ext.js to //domain/ext.js",
|
|
str)
|
|
|
|
disable_xml_declaration = Key(
|
|
False, bool, "Misc",
|
|
"Don't write xml declaration and return str instead of string",
|
|
"useful for writing output directly in html"
|
|
)
|
|
|
|
force_uri_protocol = Key(
|
|
'https', str, "Misc", "Default uri protocol",
|
|
"Default protocol for external files. "
|
|
"Can be set to None to use a // uri"
|
|
)
|
|
|
|
explicit_size = Key(
|
|
False, bool, "Misc", "Write width and height attributes"
|
|
)
|
|
|
|
pretty_print = Key(False, bool, "Misc", "Pretty print the svg")
|
|
|
|
strict = Key(
|
|
False, bool, "Misc", "If True don't try to adapt / filter wrong values"
|
|
)
|
|
|
|
no_prefix = Key(False, bool, "Misc", "Don't prefix css")
|
|
|
|
inverse_y_axis = Key(False, bool, "Misc", "Inverse Y axis direction")
|
|
|
|
|
|
class SerieConfig(CommonConfig):
|
|
"""Class holding serie config values"""
|
|
|
|
title = Key(
|
|
None, str, "Look", "Serie title.", "Leave it to None to disable title."
|
|
)
|
|
|
|
secondary = Key(
|
|
False, bool, "Misc", "Set it to put the serie in a second axis"
|
|
)
|