/usr/lib/python3/dist-packages/xlsxwriter/chart.py is in python3-xlsxwriter 0.5.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Chart - A class for writing the Excel XLSX Worksheet file.
#
# Copyright 2013, John McNamara, jmcnamara@cpan.org
#
import re
from warnings import warn
from . import xmlwriter
from .utility import xl_color
from .utility import xl_rowcol_to_cell
from .utility import supported_datetime
from .utility import datetime_to_excel_datetime
class Chart(xmlwriter.XMLwriter):
"""
A class for writing the Excel XLSX Chart file.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self, options=None):
"""
Constructor.
"""
super(Chart, self).__init__()
self.subtype = None
self.sheet_type = 0x0200
self.orientation = 0x0
self.series = []
self.embedded = 0
self.id = ''
self.series_index = 0
self.style_id = 2
self.axis_ids = []
self.axis2_ids = []
self.cat_has_num_fmt = 0
self.requires_category = 0
self.legend_position = 'right'
self.legend_delete_series = None
self.legend_font = None
self.legend_layout = None
self.cat_axis_position = 'b'
self.val_axis_position = 'l'
self.formula_ids = {}
self.formula_data = []
self.horiz_cat_axis = 0
self.horiz_val_axis = 1
self.protection = 0
self.chartarea = {}
self.plotarea = {}
self.x_axis = {}
self.y_axis = {}
self.y2_axis = {}
self.x2_axis = {}
self.chart_name = ''
self.show_blanks = 'gap'
self.show_hidden = 0
self.show_crosses = 1
self.width = 480
self.height = 288
self.x_scale = 1
self.y_scale = 1
self.x_offset = 0
self.y_offset = 0
self.table = None
self.cross_between = 'between'
self.default_marker = None
self.series_gap = None
self.series_overlap = None
self.drop_lines = None
self.hi_low_lines = None
self.up_down_bars = None
self.smooth_allowed = False
self.title_font = None
self.title_name = None
self.title_formula = None
self.title_data_id = None
self.title_layout = None
self.title_overlay = None
self.title_none = False
self.date_category = False
self.date_1904 = False
self._set_default_properties()
def add_series(self, options):
"""
Add a data series to a chart.
Args:
options: A dictionary of chart series options.
Returns:
Nothing.
"""
# Add a series and it's properties to a chart.
# Check that the required input has been specified.
if not 'values' in options:
warn("Must specify 'values' in add_series()")
return
if self.requires_category and not 'categories' in options:
warn("Must specify 'categories' in add_series() "
"for this chart type")
# Convert list into a formula string.
values = self._list_to_formula(options.get('values'))
categories = self._list_to_formula(options.get('categories'))
# Switch name and name_formula parameters if required.
name, name_formula = self._process_names(options.get('name'),
options.get('name_formula'))
# Get an id for the data equivalent to the range formula.
cat_id = self._get_data_id(categories, options.get('categories_data'))
val_id = self._get_data_id(values, options.get('values_data'))
name_id = self._get_data_id(name_formula, options.get('name_data'))
# Set the line properties for the series.
line = self._get_line_properties(options.get('line'))
# Allow 'border' as a synonym for 'line' in bar/column style charts.
if options.get('border'):
line = self._get_line_properties(options['border'])
# Set the fill properties for the series.
fill = self._get_fill_properties(options.get('fill'))
# Set the marker properties for the series.
marker = self._get_marker_properties(options.get('marker'))
# Set the trendline properties for the series.
trendline = self._get_trendline_properties(options.get('trendline'))
# Set the line smooth property for the series.
smooth = options.get('smooth')
# Set the error bars properties for the series.
y_error_bars = self._get_error_bars_props(options.get('y_error_bars'))
x_error_bars = self._get_error_bars_props(options.get('x_error_bars'))
error_bars = {'x_error_bars': x_error_bars,
'y_error_bars': y_error_bars}
# Set the point properties for the series.
points = self._get_points_properties(options.get('points'))
# Set the labels properties for the series.
labels = self._get_labels_properties(options.get('data_labels'))
# Set the "invert if negative" fill property.
invert_if_neg = options.get('invert_if_negative', False)
# Set the gap for Bar/Column charts.
if options.get('gap') is not None:
self.series_gap = options['gap']
# Set the overlap for Bar/Column charts.
if options.get('overlap'):
self.series_overlap = options['overlap']
# Set the secondary axis properties.
x2_axis = options.get('x2_axis')
y2_axis = options.get('y2_axis')
# Add the user supplied data to the internal structures.
series = {
'values': values,
'categories': categories,
'name': name,
'name_formula': name_formula,
'name_id': name_id,
'val_data_id': val_id,
'cat_data_id': cat_id,
'line': line,
'fill': fill,
'marker': marker,
'trendline': trendline,
'labels': labels,
'invert_if_neg': invert_if_neg,
'x2_axis': x2_axis,
'y2_axis': y2_axis,
'points': points,
'error_bars': error_bars,
'smooth': smooth
}
self.series.append(series)
def set_x_axis(self, options):
"""
Set the chart X axis options.
Args:
options: A dictionary of axis options.
Returns:
Nothing.
"""
axis = self._convert_axis_args(self.x_axis, options)
self.x_axis = axis
def set_y_axis(self, options):
"""
Set the chart Y axis options.
Args:
options: A dictionary of axis options.
Returns:
Nothing.
"""
axis = self._convert_axis_args(self.y_axis, options)
self.y_axis = axis
def set_x2_axis(self, options):
"""
Set the chart secondary X axis options.
Args:
options: A dictionary of axis options.
Returns:
Nothing.
"""
axis = self._convert_axis_args(self.x2_axis, options)
self.x2_axis = axis
def set_y2_axis(self, options):
"""
Set the chart secondary Y axis options.
Args:
options: A dictionary of axis options.
Returns:
Nothing.
"""
axis = self._convert_axis_args(self.y2_axis, options)
self.y2_axis = axis
def set_title(self, options):
"""
Set the chart title options.
Args:
options: A dictionary of chart title options.
Returns:
Nothing.
"""
name, name_formula = self._process_names(options.get('name'),
options.get('name_formula'))
data_id = self._get_data_id(name_formula, options.get('data'))
self.title_name = name
self.title_formula = name_formula
self.title_data_id = data_id
# Set the font properties if present.
self.title_font = self._convert_font_args(options.get('name_font'))
# Set the axis name layout.
self.title_layout = self._get_layout_properties(options.get('layout'),
True)
# Set the title overlay option.
self.title_overlay = options.get('overlay')
# Set the automatic title option.
self.title_none = options.get('none')
def set_legend(self, options):
"""
Set the chart legend options.
Args:
options: A dictionary of chart legend options.
Returns:
Nothing.
"""
self.legend_position = options.get('position', 'right')
self.legend_delete_series = options.get('delete_series')
self.legend_font = self._convert_font_args(options.get('font'))
self.legend_layout = self._get_layout_properties(options.get('layout'),
False)
# Turn off the legend.
if options.get('none'):
self.legend_position = 'none'
def set_plotarea(self, options):
"""
Set the chart plot area options.
Args:
options: A dictionary of chart plot area options.
Returns:
Nothing.
"""
# Convert the user defined properties to internal properties.
self.plotarea = self._get_area_properties(options)
def set_chartarea(self, options):
"""
Set the chart area options.
Args:
options: A dictionary of chart area options.
Returns:
Nothing.
"""
# Convert the user defined properties to internal properties.
self.chartarea = self._get_area_properties(options)
def set_style(self, style_id):
"""
Set the chart style type.
Args:
style_id: An int representing the chart style.
Returns:
Nothing.
"""
# Set one of the 42 built-in Excel chart styles. The default is 2.
if style_id is None:
style_id = 2
if style_id < 0 or style_id > 42:
style_id = 2
self.style_id = style_id
def show_blanks_as(self, option):
"""
Set the option for displaying blank data in a chart.
Args:
option: A string representing the display option.
Returns:
Nothing.
"""
if not option:
return
valid_options = {
'gap': 1,
'zero': 1,
'span': 1,
}
if not option in valid_options:
warn("Unknown show_blanks_as() option '%s'" % option)
return
self.show_blanks = option
def show_hidden_data(self):
"""
Display data on charts from hidden rows or columns.
Args:
option: A string representing the display option.
Returns:
Nothing.
"""
self.show_hidden = 1
def set_size(self, options):
"""
Set size or scale of the chart.
Args:
options: A dictionary of chart size options.
Returns:
Nothing.
"""
# Set dimensions or scale for the chart.
self.width = options.get('width', self.width)
self.height = options.get('height', self.height)
self.x_scale = options.get('x_scale', 1)
self.y_scale = options.get('y_scale', 1)
self.x_offset = options.get('x_offset', 0)
self.x_offset = options.get('y_offset', 0)
def set_table(self, options=None):
"""
Set properties for an axis data table.
Args:
options: A dictionary of axis table options.
Returns:
Nothing.
"""
if options is None:
options = {}
table = {}
table['horizontal'] = options.get('horizontal', 1)
table['vertical'] = options.get('vertical', 1)
table['outline'] = options.get('outline', 1)
table['show_keys'] = options.get('show_keys', 0)
self.table = table
def set_up_down_bars(self, options=None):
"""
Set properties for the chart up-down bars.
Args:
options: A dictionary of options.
Returns:
Nothing.
"""
if options is None:
options = {}
# Defaults.
up_line = None
up_fill = None
down_line = None
down_fill = None
# Set properties for 'up' bar.
if options.get('up'):
if 'border' in options['up']:
# Map border to line.
up_line = self._get_line_properties(options['up']['border'])
if 'line' in options['up']:
up_line = self._get_line_properties(options['up']['line'])
if 'fill' in options['up']:
up_fill = self._get_line_properties(options['up']['fill'])
# Set properties for 'down' bar.
if options.get('down'):
if 'border' in options['down']:
# Map border to line.
down_line = \
self._get_line_properties(options['down']['border'])
if 'line' in options['down']:
down_line = self._get_line_properties(options['down']['line'])
if 'fill' in options['down']:
down_fill = self._get_line_properties(options['down']['fill'])
self.up_down_bars = {'up': {'line': up_line,
'fill': up_fill,
},
'down': {'line': down_line,
'fill': down_fill,
},
}
def set_drop_lines(self, options=None):
"""
Set properties for the chart drop lines.
Args:
options: A dictionary of options.
Returns:
Nothing.
"""
if options is None:
options = {}
line = self._get_line_properties(options.get('line'))
fill = self._get_fill_properties(options.get('fill'))
self.drop_lines = {'line': line, 'fill': fill}
def set_high_low_lines(self, options=None):
"""
Set properties for the chart high-low lines.
Args:
options: A dictionary of options.
Returns:
Nothing.
"""
if options is None:
options = {}
line = self._get_line_properties(options.get('line'))
fill = self._get_fill_properties(options.get('fill'))
self.hi_low_lines = {'line': line, 'fill': fill}
###########################################################################
#
# Private API.
#
###########################################################################
def _assemble_xml_file(self):
# Assemble and write the XML file.
# Write the XML declaration.
self._xml_declaration()
# Write the c:chartSpace element.
self._write_chart_space()
# Write the c:lang element.
self._write_lang()
# Write the c:style element.
self._write_style()
# Write the c:protection element.
self._write_protection()
# Write the c:chart element.
self._write_chart()
# Write the c:spPr element for the chartarea formatting.
self._write_sp_pr(self.chartarea)
# Write the c:printSettings element.
if self.embedded:
self._write_print_settings()
# Close the worksheet tag.
self._xml_end_tag('c:chartSpace')
# Close the file.
self._xml_close()
def _convert_axis_args(self, axis, user_options):
# Convert user defined axis values into private hash values.
options = axis['defaults'].copy()
options.update(user_options)
name, name_formula = self._process_names(options.get('name'),
options.get('name_formula'))
data_id = self._get_data_id(name_formula, options.get('data'))
axis = {
'defaults': axis['defaults'],
'name': name,
'formula': name_formula,
'data_id': data_id,
'reverse': options.get('reverse'),
'min': options.get('min'),
'max': options.get('max'),
'minor_unit': options.get('minor_unit'),
'major_unit': options.get('major_unit'),
'minor_unit_type': options.get('minor_unit_type'),
'major_unit_type': options.get('major_unit_type'),
'log_base': options.get('log_base'),
'crossing': options.get('crossing'),
'position_axis': options.get('position_axis'),
'position': options.get('position'),
'label_position': options.get('label_position'),
'num_format': options.get('num_format'),
'num_format_linked': options.get('num_format_linked'),
'interval_unit': options.get('interval_unit'),
}
if 'visible' in options:
axis['visible'] = options.get('visible')
else:
axis['visible'] = 1
# Map major_gridlines properties.
if (options.get('major_gridlines')
and options['major_gridlines']['visible']):
axis['major_gridlines'] = \
self._get_gridline_properties(options['major_gridlines'])
# Map minor_gridlines properties.
if (options.get('minor_gridlines')
and options['minor_gridlines']['visible']):
axis['minor_gridlines'] = \
self._get_gridline_properties(options['minor_gridlines'])
# Only use the first letter of bottom, top, left or right.
if axis.get('position'):
axis['position'] = axis['position'].lower()[0]
# Set the position for a category axis on or between the tick marks.
if axis.get('position_axis'):
if axis['position_axis'] == 'on_tick':
axis['position_axis'] = 'midCat'
elif axis['position_axis'] == 'between':
# Doesn't need to be modified.
pass
else:
# Otherwise use the default value.
axis['position_axis'] = None
# Set the category axis as a date axis.
if options.get('date_axis'):
self.date_category = True
# Convert datetime args if required.
if axis.get('min') and supported_datetime(axis['min']):
axis['min'] = datetime_to_excel_datetime(axis['min'],
self.date_1904)
if axis.get('max') and supported_datetime(axis['max']):
axis['max'] = datetime_to_excel_datetime(axis['max'],
self.date_1904)
if axis.get('crossing') and supported_datetime(axis['crossing']):
axis['crossing'] = datetime_to_excel_datetime(axis['crossing'],
self.date_1904)
# Set the font properties if present.
axis['num_font'] = self._convert_font_args(options.get('num_font'))
axis['name_font'] = self._convert_font_args(options.get('name_font'))
# Set the axis name layout.
axis['name_layout'] = \
self._get_layout_properties(options.get('name_layout'), True)
return axis
def _convert_font_args(self, options):
# Convert user defined font values into private dict values.
if not options:
return
font = {
'name': options.get('name'),
'color': options.get('color'),
'size': options.get('size'),
'bold': options.get('bold'),
'italic': options.get('italic'),
'underline': options.get('underline'),
'pitch_family': options.get('pitch_family'),
'charset': options.get('charset'),
'baseline': options.get('baseline', 0),
'rotation': options.get('rotation'),
}
# Convert font size units.
if font['size']:
font['size'] *= 100
# Convert rotation into 60,000ths of a degree.
if font['rotation']:
font['rotation'] = 60000 * int(font['rotation'])
return font
def _list_to_formula(self, data):
# Convert and list of row col values to a range formula.
# If it isn't an array ref it is probably a formula already.
if type(data) is not list:
return data
sheet = data[0]
range1 = xl_rowcol_to_cell(data[1], data[2], True, True)
range2 = xl_rowcol_to_cell(data[3], data[4], True, True)
return sheet + '!' + range1 + ':' + range2
def _process_names(self, name, name_formula):
# Switch name and name_formula parameters if required.
if name is not None:
if isinstance(name, list):
# Convert an list of values into a name formula.
cell = xl_rowcol_to_cell(name[1], name[2], True, True)
name_formula = name[0] + '!' + cell
name = ''
elif re.match(r'^=?[^!]+!\$', name):
# Name looks like a formula, use it to set name_formula.
name_formula = name
name = ''
return name, name_formula
def _get_data_type(self, data):
# Find the overall type of the data associated with a series.
# Check for no data in the series.
if data is None or len(data) == 0:
return 'none'
# Determine if data is numeric or strings.
for token in data:
if token is None:
continue
try:
float(token)
except ValueError:
# Not a number. Assume entire data series is string data.
return 'str'
# The series data was all numeric.
return 'num'
def _get_data_id(self, formula, data):
# Assign an id to a each unique series formula or title/axis formula.
# Repeated formulas such as for categories get the same id. If the
# series or title has user specified data associated with it then
# that is also stored. This data is used to populate cached Excel
# data when creating a chart. If there is no user defined data then
# it will be populated by the parent Workbook._add_chart_data().
# Ignore series without a range formula.
if not formula:
return
# Strip the leading '=' from the formula.
if formula.startswith('='):
formula = formula.lstrip('=')
# Store the data id in a hash keyed by the formula and store the data
# in a separate array with the same id.
if not formula in self.formula_ids:
# Haven't seen this formula before.
formula_id = len(self.formula_data)
self.formula_data.append(data)
self.formula_ids[formula] = formula_id
else:
# Formula already seen. Return existing id.
formula_id = self.formula_ids[formula]
# Store user defined data if it isn't already there.
if self.formula_data[formula_id] is None:
self.formula_data[formula_id] = data
return formula_id
def _get_color(self, color):
# Convert the user specified colour to an RGB colour.
rgb_color = xl_color(color)
# Remove leading FF from RGB colour for charts.
rgb_color = re.sub(r'^FF', '', rgb_color)
return rgb_color
def _get_line_properties(self, line):
# Convert user line properties to the structure required internally.
if not line:
return {'defined': False}
dash_types = {
'solid': 'solid',
'round_dot': 'sysDot',
'square_dot': 'sysDash',
'dash': 'dash',
'dash_dot': 'dashDot',
'long_dash': 'lgDash',
'long_dash_dot': 'lgDashDot',
'long_dash_dot_dot': 'lgDashDotDot',
'dot': 'dot',
'system_dash_dot': 'sysDashDot',
'system_dash_dot_dot': 'sysDashDotDot',
}
# Check the dash type.
dash_type = line.get('dash_type')
if dash_type is not None:
if dash_type in dash_types:
line['dash_type'] = dash_types[dash_type]
else:
warn("Unknown dash type '%s'" % dash_type)
return
line['defined'] = True
return line
def _get_fill_properties(self, fill):
# Convert user fill properties to the structure required internally.
if not fill:
return {'defined': False}
fill['defined'] = True
return fill
def _get_marker_properties(self, marker):
# Convert user marker properties to the structure required internally.
if not marker:
return
types = {
'automatic': 'automatic',
'none': 'none',
'square': 'square',
'diamond': 'diamond',
'triangle': 'triangle',
'x': 'x',
'star': 'star',
'dot': 'dot',
'short_dash': 'dot',
'dash': 'dash',
'long_dash': 'dash',
'circle': 'circle',
'plus': 'plus',
'picture': 'picture',
}
# Check for valid types.
marker_type = marker.get('type')
if marker_type is not None:
if marker_type == 'automatic':
marker['automatic'] = 1
if marker_type in types:
marker['type'] = types[marker_type]
else:
warn("Unknown marker type '%s" % marker_type)
return
# Set the line properties for the marker..
line = self._get_line_properties(marker.get('line'))
# Allow 'border' as a synonym for 'line'.
if 'border' in marker:
line = self._get_line_properties(marker['border'])
# Set the fill properties for the marker.
fill = self._get_fill_properties(marker.get('fill'))
marker['line'] = line
marker['fill'] = fill
return marker
def _get_trendline_properties(self, trendline):
# Convert user trendline properties to structure required internally.
if not trendline:
return
types = {
'exponential': 'exp',
'linear': 'linear',
'log': 'log',
'moving_average': 'movingAvg',
'polynomial': 'poly',
'power': 'power',
}
# Check the trendline type.
trend_type = trendline.get('type')
if trend_type in types:
trendline['type'] = types[trend_type]
else:
warn("Unknown trendline type '%s'" % trend_type)
return
# Set the line properties for the trendline..
line = self._get_line_properties(trendline.get('line'))
# Allow 'border' as a synonym for 'line'.
if 'border' in trendline:
line = self._get_line_properties(trendline['border'])
# Set the fill properties for the trendline.
fill = self._get_fill_properties(trendline.get('fill'))
trendline['line'] = line
trendline['fill'] = fill
return trendline
def _get_error_bars_props(self, options):
# Convert user error bars properties to structure required internally.
if not options:
return
# Default values.
error_bars = {
'type': 'fixedVal',
'value': 1,
'endcap': 1,
'direction': 'both'
}
types = {
'fixed': 'fixedVal',
'percentage': 'percentage',
'standard_deviation': 'stdDev',
'standard_error': 'stdErr',
'custom': 'cust',
}
# Check the error bars type.
error_type = options['type']
if error_type in types:
error_bars['type'] = types[error_type]
else:
warn("Unknown error bars type '%s" % error_type)
return
# Set the value for error types that require it.
if 'value' in options:
error_bars['value'] = options['value']
# Set the end-cap style.
if 'end_style' in options:
error_bars['endcap'] = options['end_style']
# Set the error bar direction.
if 'direction' in options:
if options['direction'] == 'minus':
error_bars['direction'] = 'minus'
elif options['direction'] == 'plus':
error_bars['direction'] = 'plus'
else:
# Default to 'both'.
pass
# Set any custom values.
if 'plus_values'in options:
error_bars['plus_values'] = options['plus_values']
if 'minus_values'in options:
error_bars['minus_values'] = options['minus_values']
if 'plus_data'in options:
error_bars['plus_data'] = options['plus_data']
if 'minus_data'in options:
error_bars['minus_data'] = options['minus_data']
# Set the line properties for the error bars.
error_bars['line'] = self._get_line_properties(options.get('line'))
error_bars['fill'] = self._get_line_properties(options.get('fill'))
return error_bars
def _get_gridline_properties(self, options):
# Convert user gridline properties to structure required internally.
# Set the visible property for the gridline.
gridline = {'visible': options.get('visible')}
# Set the line properties for the gridline.
gridline['line'] = self._get_line_properties(options.get('line'))
gridline['fill'] = self._get_line_properties(options.get('fill'))
return gridline
def _get_labels_properties(self, labels):
# Convert user labels properties to the structure required internally.
if not labels:
return None
# Map user defined label positions to Excel positions.
position = labels.get('position')
if position:
positions = {
'center': 'ctr',
'right': 'r',
'left': 'l',
'top': 't',
'above': 't',
'bottom': 'b',
'below': 'b',
'inside_end': 'inEnd',
'outside_end': 'outEnd',
'best_fit': 'bestFit',
}
if position in positions:
labels['position'] = positions[position]
else:
warn("Unknown label position '%s'" % position)
return
return labels
def _get_area_properties(self, options):
# Convert user area properties to the structure required internally.
area = {}
# Set the line properties for the chartarea.
line = self._get_line_properties(options.get('line'))
# Allow 'border' as a synonym for 'line'.
if options.get('border'):
line = self._get_line_properties(options['border'])
# Set the fill properties for the chartarea.
fill = self._get_fill_properties(options.get('fill'))
# Set the plotarea layout.
layout = self._get_layout_properties(options.get('layout'), False)
area['line'] = line
area['fill'] = fill
area['layout'] = layout
return area
def _get_layout_properties(self, args, is_text):
# Convert user defined layout properties to format used internally.
layout = {}
if not args:
return
if is_text:
properties = ('x', 'y')
else:
properties = ('x', 'y', 'width', 'height')
# Check for valid properties.
for key in args.keys():
if key not in properties:
warn("Property '%s' not allowed in layout options" % key)
return
# Set the layout properties.
for prop in properties:
if prop not in args.keys():
warn("Property '%s' must be specified in layout options"
% prop)
return
value = args[prop]
try:
float(value)
except ValueError:
warn("Property '%s' value '%s' must be numeric in layout" %
(prop, value))
return
if value < 0 or value > 1:
warn("Property '%s' value '%s' must be in range "
"0 < x <= 1 in layout options" % (prop, value))
return
# Convert to the format used by Excel for easier testing
layout[prop] = "%.17g" % value
return layout
def _get_points_properties(self, user_points):
# Convert user points properties to structure required internally.
points = []
if not user_points:
return
for user_point in user_points:
point = {}
if user_point is not None:
# Set the line properties for the point.
line = self._get_line_properties(user_point.get('line'))
# Allow 'border' as a synonym for 'line'.
if 'border' in user_point:
line = self._get_line_properties(user_point['border'])
# Set the fill properties for the chartarea.
fill = self._get_fill_properties(user_point.get('fill'))
point['line'] = line
point['fill'] = fill
points.append(point)
return points
def _get_primary_axes_series(self):
# Returns series which use the primary axes.
primary_axes_series = []
for series in self.series:
if not series['y2_axis']:
primary_axes_series.append(series)
return primary_axes_series
def _get_secondary_axes_series(self):
# Returns series which use the secondary axes.
secondary_axes_series = []
for series in self.series:
if series['y2_axis']:
secondary_axes_series.append(series)
return secondary_axes_series
def _add_axis_ids(self, args):
# Add unique ids for primary or secondary axes
chart_id = 1 + int(self.id)
axis_count = 1 + len(self.axis2_ids) + len(self.axis_ids)
id1 = '5%03d%04d' % (chart_id, axis_count)
id2 = '5%03d%04d' % (chart_id, axis_count + 1)
if args['primary_axes']:
self.axis_ids.append(id1)
self.axis_ids.append(id2)
if not args['primary_axes']:
self.axis2_ids.append(id1)
self.axis2_ids.append(id2)
def _get_font_style_attributes(self, font):
# _get_font_style_attributes.
attributes = []
if not font:
return attributes
if font['size']:
attributes.append(('sz', font['size']))
if font['bold'] is not None:
attributes.append(('b', 0 + font['bold']))
if font['italic'] is not None:
attributes.append(('i', 0 + font['italic']))
if font['underline'] is not None:
attributes.append(('u', 'sng'))
# Turn off baseline for fonts that don't use it.
if font['baseline'] != -1:
attributes.append(('baseline', font['baseline']))
return attributes
def _get_font_latin_attributes(self, font):
# _get_font_latin_attributes.
attributes = []
if not font:
return attributes
if font['name'] is not None:
attributes.append(('typeface', font['name']))
if font['pitch_family'] is not None:
attributes.append(('pitchFamily', font['pitch_family']))
if font['charset'] is not None:
attributes.append(('charset', font['charset']))
return attributes
def _set_default_properties(self):
# Setup the default properties for a chart.
self.x_axis['defaults'] = {
'num_format': 'General',
'major_gridlines': {'visible': 0}
}
self.y_axis['defaults'] = {
'num_format': 'General',
'major_gridlines': {'visible': 1}
}
self.x2_axis['defaults'] = {
'num_format': 'General',
'label_position': 'none',
'crossing': 'max',
'visible': 0
}
self.y2_axis['defaults'] = {
'num_format': 'General',
'major_gridlines': {'visible': 0},
'position': 'right',
'visible': 1
}
self.set_x_axis({})
self.set_y_axis({})
self.set_x2_axis({})
self.set_y2_axis({})
###########################################################################
#
# XML methods.
#
###########################################################################
def _write_chart_space(self):
# Write the <c:chartSpace> element.
schema = 'http://schemas.openxmlformats.org/'
xmlns_c = schema + 'drawingml/2006/chart'
xmlns_a = schema + 'drawingml/2006/main'
xmlns_r = schema + 'officeDocument/2006/relationships'
attributes = [
('xmlns:c', xmlns_c),
('xmlns:a', xmlns_a),
('xmlns:r', xmlns_r),
]
self._xml_start_tag('c:chartSpace', attributes)
def _write_lang(self):
# Write the <c:lang> element.
val = 'en-US'
attributes = [('val', val)]
self._xml_empty_tag('c:lang', attributes)
def _write_style(self):
# Write the <c:style> element.
style_id = self.style_id
# Don't write an element for the default style, 2.
if style_id == 2:
return
attributes = [('val', style_id)]
self._xml_empty_tag('c:style', attributes)
def _write_chart(self):
# Write the <c:chart> element.
self._xml_start_tag('c:chart')
if self.title_none:
# Turn off the title.
self._write_c_auto_title_deleted()
else:
# Write the chart title elements.
if self.title_formula is not None:
self._write_title_formula(self.title_formula,
self.title_data_id,
None,
self.title_font,
self.title_layout,
self.title_overlay)
elif self.title_name is not None:
self._write_title_rich(self.title_name,
None,
self.title_font,
self.title_layout,
self.title_overlay)
# Write the c:plotArea element.
self._write_plot_area()
# Write the c:legend element.
self._write_legend()
# Write the c:plotVisOnly element.
self._write_plot_vis_only()
# Write the c:dispBlanksAs element.
self._write_disp_blanks_as()
self._xml_end_tag('c:chart')
def _write_disp_blanks_as(self):
# Write the <c:dispBlanksAs> element.
val = self.show_blanks
# Ignore the default value.
if val == 'gap':
return
attributes = [('val', val)]
self._xml_empty_tag('c:dispBlanksAs', attributes)
def _write_plot_area(self):
# Write the <c:plotArea> element.
self._xml_start_tag('c:plotArea')
# Write the c:layout element.
self._write_layout(self.plotarea.get('layout'), 'plot')
# Write subclass chart type elements for primary and secondary axes.
self._write_chart_type({'primary_axes': True})
self._write_chart_type({'primary_axes': False})
# Write the category and value elements for the primary axes.
args = {'x_axis': self.x_axis,
'y_axis': self.y_axis,
'axis_ids': self.axis_ids
}
if self.date_category:
self._write_date_axis(args)
else:
self._write_cat_axis(args)
self._write_val_axis(args)
# Write the category and value elements for the secondary axes.
args = {'x_axis': self.x2_axis,
'y_axis': self.y2_axis,
'axis_ids': self.axis2_ids
}
self._write_val_axis(args)
if self.date_category:
self._write_date_axis(args)
else:
self._write_cat_axis(args)
# Write the c:dTable element.
self._write_d_table()
# Write the c:spPr element for the plotarea formatting.
self._write_sp_pr(self.plotarea)
self._xml_end_tag('c:plotArea')
def _write_layout(self, layout, layout_type):
# Write the <c:layout> element.
if not layout:
# Automatic layout.
self._xml_empty_tag('c:layout')
else:
# User defined manual layout.
self._xml_start_tag('c:layout')
self._write_manual_layout(layout, layout_type)
self._xml_end_tag('c:layout')
def _write_manual_layout(self, layout, layout_type):
# Write the <c:manualLayout> element.
self._xml_start_tag('c:manualLayout')
# Plotarea has a layoutTarget element.
if layout_type == 'plot':
self._xml_empty_tag('c:layoutTarget', [('val', 'inner')])
# Set the x, y positions.
self._xml_empty_tag('c:xMode', [('val', 'edge')])
self._xml_empty_tag('c:yMode', [('val', 'edge')])
self._xml_empty_tag('c:x', [('val', layout['x'])])
self._xml_empty_tag('c:y', [('val', layout['y'])])
# For plotarea and legend set the width and height.
if layout_type != 'text':
self._xml_empty_tag('c:w', [('val', layout['width'])])
self._xml_empty_tag('c:h', [('val', layout['height'])])
self._xml_end_tag('c:manualLayout')
def _write_chart_type(self, options):
# Write the chart type element. This method should be overridden
# by the subclasses.
return
def _write_grouping(self, val):
# Write the <c:grouping> element.
attributes = [('val', val)]
self._xml_empty_tag('c:grouping', attributes)
def _write_series(self, series):
# Write the series elements.
self._write_ser(series)
def _write_ser(self, series):
# Write the <c:ser> element.
index = self.series_index
self.series_index += 1
self._xml_start_tag('c:ser')
# Write the c:idx element.
self._write_idx(index)
# Write the c:order element.
self._write_order(index)
# Write the series name.
self._write_series_name(series)
# Write the c:spPr element.
self._write_sp_pr(series)
# Write the c:marker element.
self._write_marker(series['marker'])
# Write the c:invertIfNegative element.
self._write_c_invert_if_negative(series['invert_if_neg'])
# Write the c:dPt element.
self._write_d_pt(series['points'])
# Write the c:dLbls element.
self._write_d_lbls(series['labels'])
# Write the c:trendline element.
self._write_trendline(series['trendline'])
# Write the c:errBars element.
self._write_error_bars(series['error_bars'])
# Write the c:cat element.
self._write_cat(series)
# Write the c:val element.
self._write_val(series)
# Write the c:smooth element.
if self.smooth_allowed:
self._write_c_smooth(series['smooth'])
self._xml_end_tag('c:ser')
def _write_idx(self, val):
# Write the <c:idx> element.
attributes = [('val', val)]
self._xml_empty_tag('c:idx', attributes)
def _write_order(self, val):
# Write the <c:order> element.
attributes = [('val', val)]
self._xml_empty_tag('c:order', attributes)
def _write_series_name(self, series):
# Write the series name.
if series['name_formula'] is not None:
self._write_tx_formula(series['name_formula'], series['name_id'])
elif series['name'] is not None:
self._write_tx_value(series['name'])
def _write_c_smooth(self, smooth):
# Write the <c:smooth> element.
if smooth:
self._xml_empty_tag('c:smooth', [('val', '1')])
def _write_cat(self, series):
# Write the <c:cat> element.
formula = series['categories']
data_id = series['cat_data_id']
data = None
if data_id is not None:
data = self.formula_data[data_id]
# Ignore <c:cat> elements for charts without category values.
if not formula:
return
self._xml_start_tag('c:cat')
# Check the type of cached data.
cat_type = self._get_data_type(data)
if cat_type == 'str':
self.cat_has_num_fmt = 0
# Write the c:numRef element.
self._write_str_ref(formula, data, cat_type)
else:
self.cat_has_num_fmt = 1
# Write the c:numRef element.
self._write_num_ref(formula, data, cat_type)
self._xml_end_tag('c:cat')
def _write_val(self, series):
# Write the <c:val> element.
formula = series['values']
data_id = series['val_data_id']
data = self.formula_data[data_id]
self._xml_start_tag('c:val')
# Unlike Cat axes data should only be numeric.
# Write the c:numRef element.
self._write_num_ref(formula, data, 'num')
self._xml_end_tag('c:val')
def _write_num_ref(self, formula, data, ref_type):
# Write the <c:numRef> element.
self._xml_start_tag('c:numRef')
# Write the c:f element.
self._write_series_formula(formula)
if ref_type == 'num':
# Write the c:numCache element.
self._write_num_cache(data)
elif ref_type == 'str':
# Write the c:strCache element.
self._write_str_cache(data)
self._xml_end_tag('c:numRef')
def _write_str_ref(self, formula, data, ref_type):
# Write the <c:strRef> element.
self._xml_start_tag('c:strRef')
# Write the c:f element.
self._write_series_formula(formula)
if ref_type == 'num':
# Write the c:numCache element.
self._write_num_cache(data)
elif ref_type == 'str':
# Write the c:strCache element.
self._write_str_cache(data)
self._xml_end_tag('c:strRef')
def _write_series_formula(self, formula):
# Write the <c:f> element.
# Strip the leading '=' from the formula.
if formula.startswith('='):
formula = formula.lstrip('=')
self._xml_data_element('c:f', formula)
def _write_axis_ids(self, args):
# Write the <c:axId> elements for the primary or secondary axes.
# Generate the axis ids.
self._add_axis_ids(args)
if args['primary_axes']:
# Write the axis ids for the primary axes.
self._write_axis_id(self.axis_ids[0])
self._write_axis_id(self.axis_ids[1])
else:
# Write the axis ids for the secondary axes.
self._write_axis_id(self.axis2_ids[0])
self._write_axis_id(self.axis2_ids[1])
def _write_axis_id(self, val):
# Write the <c:axId> element.
attributes = [('val', val)]
self._xml_empty_tag('c:axId', attributes)
def _write_cat_axis(self, args):
# Write the <c:catAx> element. Usually the X axis.
x_axis = args['x_axis']
y_axis = args['y_axis']
axis_ids = args['axis_ids']
# If there are no axis_ids then we don't need to write this element.
if axis_ids is None or not len(axis_ids):
return
position = self.cat_axis_position
horiz = self.horiz_cat_axis
# Overwrite the default axis position with a user supplied value.
if x_axis.get('position'):
position = x_axis['position']
self._xml_start_tag('c:catAx')
self._write_axis_id(axis_ids[0])
# Write the c:scaling element.
self._write_scaling(x_axis.get('reverse'),
None,
None,
None)
if not x_axis.get('visible'):
self._write_delete(1)
# Write the c:axPos element.
self._write_axis_pos(position, y_axis.get('reverse'))
# Write the c:majorGridlines element.
self._write_major_gridlines(x_axis.get('major_gridlines'))
# Write the c:minorGridlines element.
self._write_minor_gridlines(x_axis.get('minor_gridlines'))
# Write the axis title elements.
if x_axis['formula'] is not None:
self._write_title_formula(x_axis['formula'],
x_axis['data_id'],
horiz,
x_axis['name_font'],
x_axis['name_layout'])
elif x_axis['name'] is not None:
self._write_title_rich(x_axis['name'],
horiz,
x_axis['name_font'],
x_axis['name_layout'])
# Write the c:numFmt element.
self._write_cat_number_format(x_axis)
# Write the c:majorTickMark element.
self._write_major_tick_mark(x_axis.get('major_tick_mark'))
# Write the c:tickLblPos element.
self._write_tick_label_pos(x_axis.get('label_position'))
# Write the axis font elements.
self._write_axis_font(x_axis.get('num_font'))
# Write the c:crossAx element.
self._write_cross_axis(axis_ids[1])
if self.show_crosses or x_axis.get('visible'):
# Note, the category crossing comes from the value axis.
if (y_axis.get('crossing') is None
or y_axis.get('crossing') == 'max'):
# Write the c:crosses element.
self._write_crosses(y_axis.get('crossing'))
else:
# Write the c:crossesAt element.
self._write_c_crosses_at(y_axis.get('crossing'))
# Write the c:auto element.
self._write_auto(1)
# Write the c:labelAlign element.
self._write_label_align('ctr')
# Write the c:labelOffset element.
self._write_label_offset(100)
# Write the c:tickLblSkip element.
self._write_c_tick_lbl_skip(x_axis.get('interval_unit'))
self._xml_end_tag('c:catAx')
def _write_val_axis(self, args):
# Write the <c:valAx> element. Usually the Y axis.
x_axis = args['x_axis']
y_axis = args['y_axis']
axis_ids = args['axis_ids']
position = args.get('position', self.val_axis_position)
horiz = self.horiz_val_axis
# If there are no axis_ids then we don't need to write this element.
if axis_ids is None or not len(axis_ids):
return
# Overwrite the default axis position with a user supplied value.
position = y_axis.get('position') or position
self._xml_start_tag('c:valAx')
self._write_axis_id(axis_ids[1])
# Write the c:scaling element.
self._write_scaling(y_axis.get('reverse'),
y_axis.get('min'),
y_axis.get('max'),
y_axis.get('log_base'))
if not y_axis.get('visible'):
self._write_delete(1)
# Write the c:axPos element.
self._write_axis_pos(position, x_axis.get('reverse'))
# Write the c:majorGridlines element.
self._write_major_gridlines(y_axis.get('major_gridlines'))
# Write the c:minorGridlines element.
self._write_minor_gridlines(y_axis.get('minor_gridlines'))
# Write the axis title elements.
if y_axis['formula'] is not None:
self._write_title_formula(y_axis['formula'],
y_axis['data_id'],
horiz,
y_axis['name_font'],
y_axis['name_layout'])
elif y_axis['name'] is not None:
self._write_title_rich(y_axis['name'],
horiz,
y_axis.get('name_font'),
y_axis.get('name_layout'))
# Write the c:numberFormat element.
self._write_number_format(y_axis)
# Write the c:majorTickMark element.
self._write_major_tick_mark(y_axis.get('major_tick_mark'))
# Write the c:tickLblPos element.
self._write_tick_label_pos(y_axis.get('label_position'))
# Write the axis font elements.
self._write_axis_font(y_axis.get('num_font'))
# Write the c:crossAx element.
self._write_cross_axis(axis_ids[0])
# Note, the category crossing comes from the value axis.
if x_axis.get('crossing') is None or x_axis['crossing'] == 'max':
# Write the c:crosses element.
self._write_crosses(x_axis.get('crossing'))
else:
# Write the c:crossesAt element.
self._write_c_crosses_at(x_axis.get('crossing'))
# Write the c:crossBetween element.
self._write_cross_between(x_axis.get('position_axis'))
# Write the c:majorUnit element.
self._write_c_major_unit(y_axis.get('major_unit'))
# Write the c:minorUnit element.
self._write_c_minor_unit(y_axis.get('minor_unit'))
self._xml_end_tag('c:valAx')
def _write_cat_val_axis(self, args):
# Write the <c:valAx> element. This is for the second valAx
# in scatter plots. Usually the X axis.
x_axis = args['x_axis']
y_axis = args['y_axis']
axis_ids = args['axis_ids']
position = args['position'] or self.val_axis_position
horiz = self.horiz_val_axis
# If there are no axis_ids then we don't need to write this element.
if axis_ids is None or not len(axis_ids):
return
# Overwrite the default axis position with a user supplied value.
position = x_axis.get('position') or position
self._xml_start_tag('c:valAx')
self._write_axis_id(axis_ids[0])
# Write the c:scaling element.
self._write_scaling(x_axis.get('reverse'),
x_axis.get('min'),
x_axis.get('max'),
x_axis.get('log_base'))
if not x_axis.get('visible'):
self._write_delete(1)
# Write the c:axPos element.
self._write_axis_pos(position, y_axis.get('reverse'))
# Write the c:majorGridlines element.
self._write_major_gridlines(x_axis.get('major_gridlines'))
# Write the c:minorGridlines element.
self._write_minor_gridlines(x_axis.get('minor_gridlines'))
# Write the axis title elements.
if x_axis['formula'] is not None:
self._write_title_formula(x_axis['formula'],
y_axis['data_id'],
horiz,
x_axis['name_font'],
x_axis['name_layout'])
elif x_axis['name'] is not None:
self._write_title_rich(x_axis['name'],
horiz,
x_axis['name_font'],
x_axis['name_layout'])
# Write the c:numberFormat element.
self._write_number_format(x_axis)
# Write the c:majorTickMark element.
self._write_major_tick_mark(x_axis.get('major_tick_mark'))
# Write the c:tickLblPos element.
self._write_tick_label_pos(x_axis.get('label_position'))
# Write the axis font elements.
self._write_axis_font(x_axis.get('num_font'))
# Write the c:crossAx element.
self._write_cross_axis(axis_ids[1])
# Note, the category crossing comes from the value axis.
if y_axis.get('crossing') is None or y_axis['crossing'] == 'max':
# Write the c:crosses element.
self._write_crosses(y_axis.get('crossing'))
else:
# Write the c:crossesAt element.
self._write_c_crosses_at(y_axis.get('crossing'))
# Write the c:crossBetween element.
self._write_cross_between(y_axis.get('position_axis'))
# Write the c:majorUnit element.
self._write_c_major_unit(x_axis.get('major_unit'))
# Write the c:minorUnit element.
self._write_c_minor_unit(x_axis.get('minor_unit'))
self._xml_end_tag('c:valAx')
def _write_date_axis(self, args):
# Write the <c:dateAx> element. Usually the X axis.
x_axis = args['x_axis']
y_axis = args['y_axis']
axis_ids = args['axis_ids']
# If there are no axis_ids then we don't need to write this element.
if axis_ids is None or not len(axis_ids):
return
position = self.cat_axis_position
# Overwrite the default axis position with a user supplied value.
position = x_axis.get('position') or position
self._xml_start_tag('c:dateAx')
self._write_axis_id(axis_ids[0])
# Write the c:scaling element.
self._write_scaling(x_axis.get('reverse'),
x_axis.get('min'),
x_axis.get('max'),
x_axis.get('log_base'))
if not x_axis.get('visible'):
self._write_delete(1)
# Write the c:axPos element.
self._write_axis_pos(position, y_axis.get('reverse'))
# Write the c:majorGridlines element.
self._write_major_gridlines(x_axis.get('major_gridlines'))
# Write the c:minorGridlines element.
self._write_minor_gridlines(x_axis.get('minor_gridlines'))
# Write the axis title elements.
if x_axis['formula'] is not None:
self._write_title_formula(x_axis['formula'],
x_axis['data_id'],
None,
x_axis['name_font'],
x_axis['name_layout'])
elif x_axis['name'] is not None:
self._write_title_rich(x_axis['name'],
None,
x_axis['name_font'],
x_axis['name_layout'])
# Write the c:numFmt element.
self._write_number_format(x_axis)
# Write the c:majorTickMark element.
self._write_major_tick_mark(x_axis.get('major_tick_mark'))
# Write the c:tickLblPos element.
self._write_tick_label_pos(x_axis.get('label_position'))
# Write the axis font elements.
self._write_axis_font(x_axis.get('num_font'))
# Write the c:crossAx element.
self._write_cross_axis(axis_ids[1])
if self.show_crosses or x_axis.get('visible'):
# Note, the category crossing comes from the value axis.
if (y_axis.get('crossing') is None
or y_axis.get('crossing') == 'max'):
# Write the c:crosses element.
self._write_crosses(y_axis.get('crossing'))
else:
# Write the c:crossesAt element.
self._write_c_crosses_at(y_axis.get('crossing'))
# Write the c:auto element.
self._write_auto(1)
# Write the c:labelOffset element.
self._write_label_offset(100)
# Write the c:tickLblSkip element.
self._write_c_tick_lbl_skip(x_axis.get('interval_unit'))
# Write the c:majorUnit element.
self._write_c_major_unit(x_axis.get('major_unit'))
# Write the c:majorTimeUnit element.
if x_axis.get('major_unit'):
self._write_c_major_time_unit(x_axis['major_unit_type'])
# Write the c:minorUnit element.
self._write_c_minor_unit(x_axis.get('minor_unit'))
# Write the c:minorTimeUnit element.
if x_axis.get('minor_unit'):
self._write_c_minor_time_unit(x_axis['minor_unit_type'])
self._xml_end_tag('c:dateAx')
def _write_scaling(self, reverse, min_val, max_val, log_base):
# Write the <c:scaling> element.
self._xml_start_tag('c:scaling')
# Write the c:logBase element.
self._write_c_log_base(log_base)
# Write the c:orientation element.
self._write_orientation(reverse)
# Write the c:max element.
self._write_c_max(max_val)
# Write the c:min element.
self._write_c_min(min_val)
self._xml_end_tag('c:scaling')
def _write_c_log_base(self, val):
# Write the <c:logBase> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:logBase', attributes)
def _write_orientation(self, reverse):
# Write the <c:orientation> element.
val = 'minMax'
if reverse:
val = 'maxMin'
attributes = [('val', val)]
self._xml_empty_tag('c:orientation', attributes)
def _write_c_max(self, max_val):
# Write the <c:max_val> element.
if max_val is None:
return
attributes = [('val', max_val)]
self._xml_empty_tag('c:max', attributes)
def _write_c_min(self, min_val):
# Write the <c:min_val> element.
if min_val is None:
return
attributes = [('val', min_val)]
self._xml_empty_tag('c:min', attributes)
def _write_axis_pos(self, val, reverse):
# Write the <c:axPos> element.
if reverse:
if val == 'l':
val = 'r'
if val == 'b':
val = 't'
attributes = [('val', val)]
self._xml_empty_tag('c:axPos', attributes)
def _write_number_format(self, axis):
# Write the <c:numberFormat> element. Note: It is assumed that if
# a user defined number format is supplied (i.e., non-default) then
# the sourceLinked attribute is 0.
# The user can override this if required.
format_code = axis.get('num_format')
source_linked = 1
# Check if a user defined number format has been set.
if (format_code is not None
and format_code != axis['defaults']['num_format']):
source_linked = 0
# User override of sourceLinked.
if axis.get('num_format_linked'):
source_linked = 1
attributes = [
('formatCode', format_code),
('sourceLinked', source_linked),
]
self._xml_empty_tag('c:numFmt', attributes)
def _write_cat_number_format(self, axis):
# Write the <c:numFmt> element. Special case handler for category
# axes which don't always have a number format.
format_code = axis.get('num_format')
source_linked = 1
default_format = 1
# Check if a user defined number format has been set.
if (format_code is not None
and format_code != axis['defaults']['num_format']):
source_linked = 0
default_format = 0
# User override of linkedSource.
if axis.get('num_format_linked'):
source_linked = 1
# Skip if cat doesn't have a num format (unless it is non-default).
if not self.cat_has_num_fmt and default_format:
return
attributes = [
('formatCode', format_code),
('sourceLinked', source_linked),
]
self._xml_empty_tag('c:numFmt', attributes)
def _write_major_tick_mark(self, val):
# Write the <c:majorTickMark> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:majorTickMark', attributes)
def _write_tick_label_pos(self, val=None):
# Write the <c:tickLblPos> element.
if val is None or val == 'next_to':
val = 'nextTo'
attributes = [('val', val)]
self._xml_empty_tag('c:tickLblPos', attributes)
def _write_cross_axis(self, val):
# Write the <c:crossAx> element.
attributes = [('val', val)]
self._xml_empty_tag('c:crossAx', attributes)
def _write_crosses(self, val=None):
# Write the <c:crosses> element.
if val is None:
val = 'autoZero'
attributes = [('val', val)]
self._xml_empty_tag('c:crosses', attributes)
def _write_c_crosses_at(self, val):
# Write the <c:crossesAt> element.
attributes = [('val', val)]
self._xml_empty_tag('c:crossesAt', attributes)
def _write_auto(self, val):
# Write the <c:auto> element.
attributes = [('val', val)]
self._xml_empty_tag('c:auto', attributes)
def _write_label_align(self, val):
# Write the <c:labelAlign> element.
attributes = [('val', val)]
self._xml_empty_tag('c:lblAlgn', attributes)
def _write_label_offset(self, val):
# Write the <c:labelOffset> element.
attributes = [('val', val)]
self._xml_empty_tag('c:lblOffset', attributes)
def _write_c_tick_lbl_skip(self, val):
# Write the <c:tickLblSkip> element.
if val is None:
return
attributes = [('val', val)]
self._xml_empty_tag('c:tickLblSkip', attributes)
def _write_major_gridlines(self, gridlines):
# Write the <c:majorGridlines> element.
if not gridlines:
return
if not gridlines['visible']:
return
if gridlines['line']['defined']:
self._xml_start_tag('c:majorGridlines')
# Write the c:spPr element.
self._write_sp_pr(gridlines)
self._xml_end_tag('c:majorGridlines')
else:
self._xml_empty_tag('c:majorGridlines')
def _write_minor_gridlines(self, gridlines):
# Write the <c:minorGridlines> element.
if not gridlines:
return
if not gridlines['visible']:
return
if gridlines['line']['defined']:
self._xml_start_tag('c:minorGridlines')
# Write the c:spPr element.
self._write_sp_pr(gridlines)
self._xml_end_tag('c:minorGridlines')
else:
self._xml_empty_tag('c:minorGridlines')
def _write_cross_between(self, val):
# Write the <c:crossBetween> element.
if val is None:
val = self.cross_between
attributes = [('val', val)]
self._xml_empty_tag('c:crossBetween', attributes)
def _write_c_major_unit(self, val):
# Write the <c:majorUnit> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:majorUnit', attributes)
def _write_c_minor_unit(self, val):
# Write the <c:minorUnit> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:minorUnit', attributes)
def _write_c_major_time_unit(self, val=None):
# Write the <c:majorTimeUnit> element.
if val is None:
val = 'days'
attributes = [('val', val)]
self._xml_empty_tag('c:majorTimeUnit', attributes)
def _write_c_minor_time_unit(self, val=None):
# Write the <c:minorTimeUnit> element.
if val is None:
val = 'days'
attributes = [('val', val)]
self._xml_empty_tag('c:minorTimeUnit', attributes)
def _write_legend(self):
# Write the <c:legend> element.
position = self.legend_position
font = self.legend_font
delete_series = []
overlay = 0
if (self.legend_delete_series is not None
and type(self.legend_delete_series) is list):
delete_series = self.legend_delete_series
if position.startswith('overlay_'):
position = position.replace('overlay_', '')
overlay = 1
allowed = {
'right': 'r',
'left': 'l',
'top': 't',
'bottom': 'b',
}
if position == 'none':
return
if not position in allowed:
return
position = allowed[position]
self._xml_start_tag('c:legend')
# Write the c:legendPos element.
self._write_legend_pos(position)
# Remove series labels from the legend.
for index in delete_series:
# Write the c:legendEntry element.
self._write_legend_entry(index)
# Write the c:layout element.
self._write_layout(self.legend_layout, 'legend')
if font:
self._write_tx_pr(None, font)
# Write the c:overlay element.
if overlay:
self._write_overlay()
self._xml_end_tag('c:legend')
def _write_legend_pos(self, val):
# Write the <c:legendPos> element.
attributes = [('val', val)]
self._xml_empty_tag('c:legendPos', attributes)
def _write_legend_entry(self, index):
# Write the <c:legendEntry> element.
self._xml_start_tag('c:legendEntry')
# Write the c:idx element.
self._write_idx(index)
# Write the c:delete element.
self._write_delete(1)
self._xml_end_tag('c:legendEntry')
def _write_overlay(self):
# Write the <c:overlay> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:overlay', attributes)
def _write_plot_vis_only(self):
# Write the <c:plotVisOnly> element.
val = 1
# Ignore this element if we are plotting hidden data.
if self.show_hidden:
return
attributes = [('val', val)]
self._xml_empty_tag('c:plotVisOnly', attributes)
def _write_print_settings(self):
# Write the <c:printSettings> element.
self._xml_start_tag('c:printSettings')
# Write the c:headerFooter element.
self._write_header_footer()
# Write the c:pageMargins element.
self._write_page_margins()
# Write the c:pageSetup element.
self._write_page_setup()
self._xml_end_tag('c:printSettings')
def _write_header_footer(self):
# Write the <c:headerFooter> element.
self._xml_empty_tag('c:headerFooter')
def _write_page_margins(self):
# Write the <c:pageMargins> element.
b = 0.75
l = 0.7
r = 0.7
t = 0.75
header = 0.3
footer = 0.3
attributes = [
('b', b),
('l', l),
('r', r),
('t', t),
('header', header),
('footer', footer),
]
self._xml_empty_tag('c:pageMargins', attributes)
def _write_page_setup(self):
# Write the <c:pageSetup> element.
self._xml_empty_tag('c:pageSetup')
def _write_c_auto_title_deleted(self):
# Write the <c:autoTitleDeleted> element.
self._xml_empty_tag('c:autoTitleDeleted', [('val', 1)])
def _write_title_rich(self, title, horiz, font, layout, overlay=False):
# Write the <c:title> element for a rich string.
self._xml_start_tag('c:title')
# Write the c:tx element.
self._write_tx_rich(title, horiz, font)
# Write the c:layout element.
self._write_layout(layout, 'text')
# Write the c:overlay element.
if overlay:
self._write_overlay()
self._xml_end_tag('c:title')
def _write_title_formula(self, title, data_id, horiz, font, layout,
overlay=False):
# Write the <c:title> element for a rich string.
self._xml_start_tag('c:title')
# Write the c:tx element.
self._write_tx_formula(title, data_id)
# Write the c:layout element.
self._write_layout(layout, 'text')
# Write the c:overlay element.
if overlay:
self._write_overlay()
# Write the c:txPr element.
self._write_tx_pr(horiz, font)
self._xml_end_tag('c:title')
def _write_tx_rich(self, title, horiz, font):
# Write the <c:tx> element.
self._xml_start_tag('c:tx')
# Write the c:rich element.
self._write_rich(title, horiz, font)
self._xml_end_tag('c:tx')
def _write_tx_value(self, title):
# Write the <c:tx> element with a value such as for series names.
self._xml_start_tag('c:tx')
# Write the c:v element.
self._write_v(title)
self._xml_end_tag('c:tx')
def _write_tx_formula(self, title, data_id):
# Write the <c:tx> element.
data = None
if data_id is not None:
data = self.formula_data[data_id]
self._xml_start_tag('c:tx')
# Write the c:strRef element.
self._write_str_ref(title, data, 'str')
self._xml_end_tag('c:tx')
def _write_rich(self, title, horiz, font):
# Write the <c:rich> element.
if font and font.get('rotation'):
rotation = font['rotation']
else:
rotation = None
self._xml_start_tag('c:rich')
# Write the a:bodyPr element.
self._write_a_body_pr(rotation, horiz)
# Write the a:lstStyle element.
self._write_a_lst_style()
# Write the a:p element.
self._write_a_p_rich(title, font)
self._xml_end_tag('c:rich')
def _write_a_body_pr(self, rotation, horiz):
# Write the <a:bodyPr> element.
attributes = []
if rotation is None and horiz:
rotation = -5400000
if rotation is not None:
attributes.append(('rot', rotation))
if horiz:
attributes.append(('vert', 'horz'))
self._xml_empty_tag('a:bodyPr', attributes)
def _write_a_lst_style(self):
# Write the <a:lstStyle> element.
self._xml_empty_tag('a:lstStyle')
def _write_a_p_rich(self, title, font):
# Write the <a:p> element for rich string titles.
self._xml_start_tag('a:p')
# Write the a:pPr element.
self._write_a_p_pr_rich(font)
# Write the a:r element.
self._write_a_r(title, font)
self._xml_end_tag('a:p')
def _write_a_p_formula(self, font):
# Write the <a:p> element for formula titles.
self._xml_start_tag('a:p')
# Write the a:pPr element.
self._write_a_p_pr_formula(font)
# Write the a:endParaRPr element.
self._write_a_end_para_rpr()
self._xml_end_tag('a:p')
def _write_a_p_pr_rich(self, font):
# Write the <a:pPr> element for rich string titles.
self._xml_start_tag('a:pPr')
# Write the a:defRPr element.
self._write_a_def_rpr(font)
self._xml_end_tag('a:pPr')
def _write_a_p_pr_formula(self, font):
# Write the <a:pPr> element for formula titles.
self._xml_start_tag('a:pPr')
# Write the a:defRPr element.
self._write_a_def_rpr(font)
self._xml_end_tag('a:pPr')
def _write_a_def_rpr(self, font):
# Write the <a:defRPr> element.
has_color = 0
style_attributes = self._get_font_style_attributes(font)
latin_attributes = self._get_font_latin_attributes(font)
if font and font['color'] is not None:
has_color = 1
if latin_attributes or has_color:
self._xml_start_tag('a:defRPr', style_attributes)
if has_color:
self._write_a_solid_fill({'color': font['color']})
if latin_attributes:
self._write_a_latin(latin_attributes)
self._xml_end_tag('a:defRPr')
else:
self._xml_empty_tag('a:defRPr', style_attributes)
def _write_a_end_para_rpr(self):
# Write the <a:endParaRPr> element.
lang = 'en-US'
attributes = [('lang', lang)]
self._xml_empty_tag('a:endParaRPr', attributes)
def _write_a_r(self, title, font):
# Write the <a:r> element.
self._xml_start_tag('a:r')
# Write the a:rPr element.
self._write_a_r_pr(font)
# Write the a:t element.
self._write_a_t(title)
self._xml_end_tag('a:r')
def _write_a_r_pr(self, font):
# Write the <a:rPr> element.
has_color = 0
lang = 'en-US'
style_attributes = self._get_font_style_attributes(font)
latin_attributes = self._get_font_latin_attributes(font)
if font and font['color'] is not None:
has_color = 1
# Add the lang type to the attributes.
style_attributes.insert(0, ('lang', lang))
if latin_attributes or has_color:
self._xml_start_tag('a:rPr', style_attributes)
if has_color:
self._write_a_solid_fill({'color': font['color']})
if latin_attributes:
self._write_a_latin(latin_attributes)
self._xml_end_tag('a:rPr')
else:
self._xml_empty_tag('a:rPr', style_attributes)
def _write_a_t(self, title):
# Write the <a:t> element.
self._xml_data_element('a:t', title)
def _write_tx_pr(self, horiz, font):
# Write the <c:txPr> element.
if font and font.get('rotation'):
rotation = font['rotation']
else:
rotation = None
self._xml_start_tag('c:txPr')
# Write the a:bodyPr element.
self._write_a_body_pr(rotation, horiz)
# Write the a:lstStyle element.
self._write_a_lst_style()
# Write the a:p element.
self._write_a_p_formula(font)
self._xml_end_tag('c:txPr')
def _write_marker(self, marker):
# Write the <c:marker> element.
if marker is None:
marker = self.default_marker
if not marker:
return
if 'automatic' in marker:
return
self._xml_start_tag('c:marker')
# Write the c:symbol element.
self._write_symbol(marker['type'])
# Write the c:size element.
if marker.get('size'):
self._write_marker_size(marker['size'])
# Write the c:spPr element.
self._write_sp_pr(marker)
self._xml_end_tag('c:marker')
def _write_marker_value(self):
# Write the <c:marker> element without a sub-element.
style = self.default_marker
if not style:
return
attributes = [('val', 1)]
self._xml_empty_tag('c:marker', attributes)
def _write_marker_size(self, val):
# Write the <c:size> element.
attributes = [('val', val)]
self._xml_empty_tag('c:size', attributes)
def _write_symbol(self, val):
# Write the <c:symbol> element.
attributes = [('val', val)]
self._xml_empty_tag('c:symbol', attributes)
def _write_sp_pr(self, series):
# Write the <c:spPr> element.
has_fill = False
has_line = False
if 'fill' in series and series['fill']['defined']:
has_fill = True
if 'line' in series and series['line']['defined']:
has_line = True
if not has_fill and not has_line:
return
self._xml_start_tag('c:spPr')
# Write the fill elements for solid charts such as pie and bar.
if series['fill'] is not None and series['fill']['defined']:
if 'none' in series['fill']:
# Write the a:noFill element.
self._write_a_no_fill()
else:
# Write the a:solidFill element.
self._write_a_solid_fill(series['fill'])
# Write the a:ln element.
if 'line' in series and series['line']['defined']:
self._write_a_ln(series['line'])
self._xml_end_tag('c:spPr')
def _write_a_ln(self, line):
# Write the <a:ln> element.
attributes = []
# Add the line width as an attribute.
width = line.get('width')
if width:
# Round width to nearest 0.25, like Excel.
width = int((width + 0.125) * 4) / 4.0
# Convert to internal units.
width = int(0.5 + (12700 * width))
attributes = [('w', width)]
self._xml_start_tag('a:ln', attributes)
# Write the line fill.
if 'none' in line:
# Write the a:noFill element.
self._write_a_no_fill()
elif 'color' in line:
# Write the a:solidFill element.
self._write_a_solid_fill(line)
# Write the line/dash type.
line_type = line.get('dash_type')
if line_type:
# Write the a:prstDash element.
self._write_a_prst_dash(line_type)
self._xml_end_tag('a:ln')
def _write_a_no_fill(self):
# Write the <a:noFill> element.
self._xml_empty_tag('a:noFill')
def _write_a_solid_fill(self, line):
# Write the <a:solidFill> element.
self._xml_start_tag('a:solidFill')
if 'color' in line:
color = self._get_color(line['color'])
# Write the a:srgbClr element.
self._write_a_srgb_clr(color)
self._xml_end_tag('a:solidFill')
def _write_a_srgb_clr(self, val):
# Write the <a:srgbClr> element.
attributes = [('val', val)]
self._xml_empty_tag('a:srgbClr', attributes)
def _write_a_prst_dash(self, val):
# Write the <a:prstDash> element.
attributes = [('val', val)]
self._xml_empty_tag('a:prstDash', attributes)
def _write_trendline(self, trendline):
# Write the <c:trendline> element.
if not trendline:
return
self._xml_start_tag('c:trendline')
# Write the c:name element.
self._write_name(trendline.get('name'))
# Write the c:spPr element.
self._write_sp_pr(trendline)
# Write the c:trendlineType element.
self._write_trendline_type(trendline['type'])
# Write the c:order element for polynomial trendlines.
if trendline['type'] == 'poly':
self._write_trendline_order(trendline.get('order'))
# Write the c:period element for moving average trendlines.
if trendline['type'] == 'movingAvg':
self._write_period(trendline.get('period'))
# Write the c:forward element.
self._write_forward(trendline.get('forward'))
# Write the c:backward element.
self._write_backward(trendline.get('backward'))
self._xml_end_tag('c:trendline')
def _write_trendline_type(self, val):
# Write the <c:trendlineType> element.
attributes = [('val', val)]
self._xml_empty_tag('c:trendlineType', attributes)
def _write_name(self, data):
# Write the <c:name> element.
if data is None:
return
self._xml_data_element('c:name', data)
def _write_trendline_order(self, val):
# Write the <c:order> element.
# val = _[0] is not None ? _[0]: 2
attributes = [('val', val)]
self._xml_empty_tag('c:order', attributes)
def _write_period(self, val):
# Write the <c:period> element.
# val = _[0] is not None ? _[0]: 2
attributes = [('val', val)]
self._xml_empty_tag('c:period', attributes)
def _write_forward(self, val):
# Write the <c:forward> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:forward', attributes)
def _write_backward(self, val):
# Write the <c:backward> element.
if not val:
return
attributes = [('val', val)]
self._xml_empty_tag('c:backward', attributes)
def _write_hi_low_lines(self):
# Write the <c:hiLowLines> element.
hi_low_lines = self.hi_low_lines
if hi_low_lines is None:
return
if 'line' in hi_low_lines and hi_low_lines['line']['defined']:
self._xml_start_tag('c:hiLowLines')
# Write the c:spPr element.
self._write_sp_pr(hi_low_lines)
self._xml_end_tag('c:hiLowLines')
else:
self._xml_empty_tag('c:hiLowLines')
def _write_drop_lines(self):
# Write the <c:dropLines> element.
drop_lines = self.drop_lines
if drop_lines is None:
return
if drop_lines['line']['defined']:
self._xml_start_tag('c:dropLines')
# Write the c:spPr element.
self._write_sp_pr(drop_lines)
self._xml_end_tag('c:dropLines')
else:
self._xml_empty_tag('c:dropLines')
def _write_overlap(self, val):
# Write the <c:overlap> element.
if val is None:
return
attributes = [('val', val)]
self._xml_empty_tag('c:overlap', attributes)
def _write_num_cache(self, data):
# Write the <c:numCache> element.
if data:
count = len(data)
else:
count = 0
self._xml_start_tag('c:numCache')
# Write the c:formatCode element.
self._write_format_code('General')
# Write the c:ptCount element.
self._write_pt_count(count)
for i in range(count):
token = data[i]
if token is None:
continue
try:
float(token)
except ValueError:
# Write non-numeric data as 0.
token = 0
# Write the c:pt element.
self._write_pt(i, token)
self._xml_end_tag('c:numCache')
def _write_str_cache(self, data):
# Write the <c:strCache> element.
count = len(data)
self._xml_start_tag('c:strCache')
# Write the c:ptCount element.
self._write_pt_count(count)
for i in range(count):
# Write the c:pt element.
self._write_pt(i, data[i])
self._xml_end_tag('c:strCache')
def _write_format_code(self, data):
# Write the <c:formatCode> element.
self._xml_data_element('c:formatCode', data)
def _write_pt_count(self, val):
# Write the <c:ptCount> element.
attributes = [('val', val)]
self._xml_empty_tag('c:ptCount', attributes)
def _write_pt(self, idx, value):
# Write the <c:pt> element.
if value is None:
return
attributes = [('idx', idx)]
self._xml_start_tag('c:pt', attributes)
# Write the c:v element.
self._write_v(value)
self._xml_end_tag('c:pt')
def _write_v(self, data):
# Write the <c:v> element.
self._xml_data_element('c:v', data)
def _write_protection(self):
# Write the <c:protection> element.
if not self.protection:
return
self._xml_empty_tag('c:protection')
def _write_d_pt(self, points):
# Write the <c:dPt> elements.
index = -1
if not points:
return
for point in points:
index += 1
if not point:
continue
self._write_d_pt_point(index, point)
def _write_d_pt_point(self, index, point):
# Write an individual <c:dPt> element.
self._xml_start_tag('c:dPt')
# Write the c:idx element.
self._write_idx(index)
# Write the c:spPr element.
self._write_sp_pr(point)
self._xml_end_tag('c:dPt')
def _write_d_lbls(self, labels):
# Write the <c:dLbls> element.
if not labels:
return
self._xml_start_tag('c:dLbls')
# Write the c:dLblPos element.
if labels.get('position'):
self._write_d_lbl_pos(labels['position'])
# Write the c:showVal element.
if labels.get('value'):
self._write_show_val()
# Write the c:showCatName element.
if labels.get('category'):
self._write_show_cat_name()
# Write the c:showSerName element.
if labels.get('series_name'):
self._write_show_ser_name()
# Write the c:showPercent element.
if labels.get('percentage'):
self._write_show_percent()
# Write the c:showLeaderLines element.
if labels.get('leader_lines'):
self._write_show_leader_lines()
self._xml_end_tag('c:dLbls')
def _write_show_val(self):
# Write the <c:showVal> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:showVal', attributes)
def _write_show_cat_name(self):
# Write the <c:showCatName> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:showCatName', attributes)
def _write_show_ser_name(self):
# Write the <c:showSerName> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:showSerName', attributes)
def _write_show_percent(self):
# Write the <c:showPercent> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:showPercent', attributes)
def _write_show_leader_lines(self):
# Write the <c:showLeaderLines> element.
val = 1
attributes = [('val', val)]
self._xml_empty_tag('c:showLeaderLines', attributes)
def _write_d_lbl_pos(self, val):
# Write the <c:dLblPos> element.
attributes = [('val', val)]
self._xml_empty_tag('c:dLblPos', attributes)
def _write_delete(self, val):
# Write the <c:delete> element.
attributes = [('val', val)]
self._xml_empty_tag('c:delete', attributes)
def _write_c_invert_if_negative(self, invert):
# Write the <c:invertIfNegative> element.
val = 1
if not invert:
return
attributes = [('val', val)]
self._xml_empty_tag('c:invertIfNegative', attributes)
def _write_axis_font(self, font):
# Write the axis font elements.
if not font:
return
self._xml_start_tag('c:txPr')
self._write_a_body_pr(font.get('rotation'), None)
self._write_a_lst_style()
self._xml_start_tag('a:p')
self._write_a_p_pr_rich(font)
self._write_a_end_para_rpr()
self._xml_end_tag('a:p')
self._xml_end_tag('c:txPr')
def _write_a_latin(self, attributes):
# Write the <a:latin> element.
self._xml_empty_tag('a:latin', attributes)
def _write_d_table(self):
# Write the <c:dTable> element.
table = self.table
if not table:
return
self._xml_start_tag('c:dTable')
if table['horizontal']:
# Write the c:showHorzBorder element.
self._write_show_horz_border()
if table['vertical']:
# Write the c:showVertBorder element.
self._write_show_vert_border()
if table['outline']:
# Write the c:showOutline element.
self._write_show_outline()
if table['show_keys']:
# Write the c:showKeys element.
self._write_show_keys()
self._xml_end_tag('c:dTable')
def _write_show_horz_border(self):
# Write the <c:showHorzBorder> element.
attributes = [('val', 1)]
self._xml_empty_tag('c:showHorzBorder', attributes)
def _write_show_vert_border(self):
# Write the <c:showVertBorder> element.
attributes = [('val', 1)]
self._xml_empty_tag('c:showVertBorder', attributes)
def _write_show_outline(self):
# Write the <c:showOutline> element.
attributes = [('val', 1)]
self._xml_empty_tag('c:showOutline', attributes)
def _write_show_keys(self):
# Write the <c:showKeys> element.
attributes = [('val', 1)]
self._xml_empty_tag('c:showKeys', attributes)
def _write_error_bars(self, error_bars):
# Write the X and Y error bars.
if not error_bars:
return
if error_bars['x_error_bars']:
self._write_err_bars('x', error_bars['x_error_bars'])
if error_bars['y_error_bars']:
self._write_err_bars('y', error_bars['y_error_bars'])
def _write_err_bars(self, direction, error_bars):
# Write the <c:errBars> element.
if not error_bars:
return
self._xml_start_tag('c:errBars')
# Write the c:errDir element.
self._write_err_dir(direction)
# Write the c:errBarType element.
self._write_err_bar_type(error_bars['direction'])
# Write the c:errValType element.
self._write_err_val_type(error_bars['type'])
if not error_bars['endcap']:
# Write the c:noEndCap element.
self._write_no_end_cap()
if error_bars['type'] == 'stdErr':
# Don't need to write a c:errValType tag.
pass
elif error_bars['type'] == 'cust':
# Write the custom error tags.
self._write_custom_error(error_bars)
else:
# Write the c:val element.
self._write_error_val(error_bars['value'])
# Write the c:spPr element.
self._write_sp_pr(error_bars)
self._xml_end_tag('c:errBars')
def _write_err_dir(self, val):
# Write the <c:errDir> element.
attributes = [('val', val)]
self._xml_empty_tag('c:errDir', attributes)
def _write_err_bar_type(self, val):
# Write the <c:errBarType> element.
attributes = [('val', val)]
self._xml_empty_tag('c:errBarType', attributes)
def _write_err_val_type(self, val):
# Write the <c:errValType> element.
attributes = [('val', val)]
self._xml_empty_tag('c:errValType', attributes)
def _write_no_end_cap(self):
# Write the <c:noEndCap> element.
attributes = [('val', 1)]
self._xml_empty_tag('c:noEndCap', attributes)
def _write_error_val(self, val):
# Write the <c:val> element for error bars.
attributes = [('val', val)]
self._xml_empty_tag('c:val', attributes)
def _write_custom_error(self, error_bars):
# Write the custom error bars tags.
if error_bars['plus_values']:
# Write the c:plus element.
self._xml_start_tag('c:plus')
if isinstance(error_bars['plus_values'], list):
self._write_num_lit(error_bars['plus_values'])
else:
self._write_num_ref(error_bars['plus_values'],
error_bars['plus_data'],
'num')
self._xml_end_tag('c:plus')
if error_bars['minus_values']:
# Write the c:minus element.
self._xml_start_tag('c:minus')
if isinstance(error_bars['minus_values'], list):
self._write_num_lit(error_bars['minus_values'])
else:
self._write_num_ref(error_bars['minus_values'],
error_bars['minus_data'],
'num')
self._xml_end_tag('c:minus')
def _write_num_lit(self, data):
# Write the <c:numLit> element for literal number list elements.
count = len(data)
# Write the c:numLit element.
self._xml_start_tag('c:numLit')
# Write the c:formatCode element.
self._write_format_code('General')
# Write the c:ptCount element.
self._write_pt_count(count)
for i in range(count):
token = data[i]
if token is None:
continue
try:
float(token)
except ValueError:
# Write non-numeric data as 0.
token = 0
# Write the c:pt element.
self._write_pt(i, token)
self._xml_end_tag('c:numLit')
def _write_up_down_bars(self):
# Write the <c:upDownBars> element.
up_down_bars = self.up_down_bars
if up_down_bars is None:
return
self._xml_start_tag('c:upDownBars')
# Write the c:gapWidth element.
self._write_gap_width(150)
# Write the c:upBars element.
self._write_up_bars(up_down_bars.get('up'))
# Write the c:downBars element.
self._write_down_bars(up_down_bars.get('down'))
self._xml_end_tag('c:upDownBars')
def _write_gap_width(self, val):
# Write the <c:gapWidth> element.
if val is None:
return
attributes = [('val', val)]
self._xml_empty_tag('c:gapWidth', attributes)
def _write_up_bars(self, bar_format):
# Write the <c:upBars> element.
if bar_format['line'] and bar_format['line']['defined']:
self._xml_start_tag('c:upBars')
# Write the c:spPr element.
self._write_sp_pr(bar_format)
self._xml_end_tag('c:upBars')
else:
self._xml_empty_tag('c:upBars')
def _write_down_bars(self, bar_format):
# Write the <c:downBars> element.
if bar_format['line'] and bar_format['line']['defined']:
self._xml_start_tag('c:downBars')
# Write the c:spPr element.
self._write_sp_pr(bar_format)
self._xml_end_tag('c:downBars')
else:
self._xml_empty_tag('c:downBars')
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