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###############################################################################
#
# Format - A class for writing the Excel XLSX Worksheet file.
#
# Copyright 2013-2015, John McNamara, jmcnamara@cpan.org
#
# Package imports.
from . import xmlwriter
class Format(xmlwriter.XMLwriter):
"""
A class for writing the Excel XLSX Format file.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self, properties={}, xf_indices=None, dxf_indices=None):
"""
Constructor.
"""
super(Format, self).__init__()
self.xf_format_indices = xf_indices
self.dxf_format_indices = dxf_indices
self.xf_index = None
self.dxf_index = None
self.num_format = 0
self.num_format_index = 0
self.font_index = 0
self.has_font = 0
self.has_dxf_font = 0
self.bold = 0
self.underline = 0
self.italic = 0
self.font_name = 'Calibri'
self.font_size = 11
self.font_color = 0x0
self.font_strikeout = 0
self.font_outline = 0
self.font_shadow = 0
self.font_script = 0
self.font_family = 2
self.font_charset = 0
self.font_scheme = 'minor'
self.font_condense = 0
self.font_extend = 0
self.theme = 0
self.hyperlink = 0
self.hidden = 0
self.locked = 1
self.text_h_align = 0
self.text_wrap = 0
self.text_v_align = 0
self.text_justlast = 0
self.rotation = 0
self.center_across = 0
self.fg_color = 0
self.bg_color = 0
self.pattern = 0
self.has_fill = 0
self.has_dxf_fill = 0
self.fill_index = 0
self.fill_count = 0
self.border_index = 0
self.has_border = 0
self.has_dxf_border = 0
self.border_count = 0
self.bottom = 0
self.bottom_color = 0
self.diag_border = 0
self.diag_color = 0
self.diag_type = 0
self.left = 0
self.left_color = 0
self.right = 0
self.right_color = 0
self.top = 0
self.top_color = 0
self.indent = 0
self.shrink = 0
self.merge_range = 0
self.reading_order = 0
self.just_distrib = 0
self.color_indexed = 0
self.font_only = 0
# Convert properties in the constructor to method calls.
for key, value in properties.items():
getattr(self, 'set_' + key)(value)
###########################################################################
#
# Format properties.
#
###########################################################################
def set_font_name(self, font_name):
"""
Set the Format font_name property such as 'Time New Roman'. The
default Excel font is 'Calibri'.
Args:
font_name: String with the font name. No default.
Returns:
Nothing.
"""
self.font_name = font_name
def set_font_size(self, font_size=11):
"""
Set the Format font_size property. The default Excel font size is 11.
Args:
font_size: Int with font size. No default.
Returns:
Nothing.
"""
self.font_size = font_size
def set_font_color(self, font_color):
"""
Set the Format font_color property. The Excel default is black.
Args:
font_color: String with the font color. No default.
Returns:
Nothing.
"""
self.font_color = self._get_color(font_color)
def set_bold(self, bold=1):
"""
Set the Format bold property.
Args:
bold: Default is 1, turns property on.
Returns:
Nothing.
"""
self.bold = bold
def set_italic(self, italic=1):
"""
Set the Format italic property.
Args:
italic: Default is 1, turns property on.
Returns:
Nothing.
"""
self.italic = italic
def set_underline(self, underline=1):
"""
Set the Format underline property.
Args:
underline: Default is 1, single underline.
Returns:
Nothing.
"""
self.underline = underline
def set_font_strikeout(self, font_strikeout=1):
"""
Set the Format font_strikeout property.
Args:
font_strikeout: Default is 1, turns property on.
Returns:
Nothing.
"""
self.font_strikeout = font_strikeout
def set_font_script(self, font_script=1):
"""
Set the Format font_script property.
Args:
font_script: Default is 1, superscript.
Returns:
Nothing.
"""
self.font_script = font_script
def set_font_outline(self, font_outline=1):
"""
Set the Format font_outline property.
Args:
font_outline: Default is 1, turns property on.
Returns:
Nothing.
"""
self.font_outline = font_outline
def set_font_shadow(self, font_shadow=1):
"""
Set the Format font_shadow property.
Args:
font_shadow: Default is 1, turns property on.
Returns:
Nothing.
"""
self.font_shadow = font_shadow
def set_num_format(self, num_format):
"""
Set the Format num_format property such as '#,##0'.
Args:
num_format: String representing the number format. No default.
Returns:
Nothing.
"""
self.num_format = num_format
def set_locked(self, locked=1):
"""
Set the Format locked property.
Args:
locked: Default is 1, turns property on.
Returns:
Nothing.
"""
self.locked = locked
def set_hidden(self, hidden=1):
"""
Set the Format hidden property.
Args:
hidden: Default is 1, turns property on.
Returns:
Nothing.
"""
self.hidden = hidden
def set_align(self, alignment):
"""
Set the Format cell alignment.
Args:
alignment: String representing alignment. No default.
Returns:
Nothing.
"""
alignment = alignment.lower()
# Set horizontal alignment properties.
if alignment == 'left':
self.set_text_h_align(1)
if alignment == 'centre':
self.set_text_h_align(2)
if alignment == 'center':
self.set_text_h_align(2)
if alignment == 'right':
self.set_text_h_align(3)
if alignment == 'fill':
self.set_text_h_align(4)
if alignment == 'justify':
self.set_text_h_align(5)
if alignment == 'center_across':
self.set_text_h_align(6)
if alignment == 'centre_across':
self.set_text_h_align(6)
if alignment == 'distributed':
self.set_text_h_align(7)
if alignment == 'justify_distributed':
self.set_text_h_align(7)
if alignment == 'justify_distributed':
self.just_distrib = 1
# Set vertical alignment properties.
if alignment == 'top':
self.set_text_v_align(1)
if alignment == 'vcentre':
self.set_text_v_align(2)
if alignment == 'vcenter':
self.set_text_v_align(2)
if alignment == 'bottom':
self.set_text_v_align(3)
if alignment == 'vjustify':
self.set_text_v_align(4)
if alignment == 'vdistributed':
self.set_text_v_align(5)
def set_center_across(self, center_across=1):
"""
Set the Format center_across property.
Args:
center_across: Default is 1, turns property on.
Returns:
Nothing.
"""
self.center_across = center_across
def set_text_wrap(self, text_wrap=1):
"""
Set the Format text_wrap property.
Args:
text_wrap: Default is 1, turns property on.
Returns:
Nothing.
"""
self.text_wrap = text_wrap
def set_rotation(self, rotation):
"""
Set the Format rotation property.
Args:
rotation: Rotation angle. No default.
Returns:
Nothing.
"""
rotation = int(rotation)
# Map user angle to Excel angle.
if rotation == 270:
rotation = 255
elif rotation >= -90 or rotation <= 90:
if rotation < 0:
rotation = -rotation + 90
else:
raise Exception(
"Rotation rotation outside range: -90 <= angle <= 90")
self.rotation = rotation
def set_indent(self, indent=1):
"""
Set the Format indent property.
Args:
indent: Default is 1, turns property on.
Returns:
Nothing.
"""
self.indent = indent
def set_shrink(self, shrink=1):
"""
Set the Format shrink property.
Args:
shrink: Default is 1, turns property on.
Returns:
Nothing.
"""
self.shrink = shrink
def set_text_justlast(self, text_justlast=1):
"""
Set the Format text_justlast property.
Args:
text_justlast: Default is 1, turns property on.
Returns:
Nothing.
"""
self.text_justlast = text_justlast
def set_pattern(self, pattern=1):
"""
Set the Format pattern property.
Args:
pattern: Default is 1, solid fill.
Returns:
Nothing.
"""
self.pattern = pattern
def set_bg_color(self, bg_color):
"""
Set the Format bg_color property.
Args:
bg_color: Background colour. No default.
Returns:
Nothing.
"""
self.bg_color = self._get_color(bg_color)
def set_fg_color(self, fg_color):
"""
Set the Format fg_color property.
Args:
fg_color: Foreground colour. No default.
Returns:
Nothing.
"""
self.fg_color = self._get_color(fg_color)
# set_border(style) Set cells borders to the same style
def set_border(self, style=1):
"""
Set the Format bottom property.
Args:
bottom: Default is 1, border type 1.
Returns:
Nothing.
"""
self.set_bottom(style)
self.set_top(style)
self.set_left(style)
self.set_right(style)
# set_border_color(color) Set cells border to the same color
def set_border_color(self, color):
"""
Set the Format bottom property.
Args:
color: Color string. No default.
Returns:
Nothing.
"""
self.set_bottom_color(color)
self.set_top_color(color)
self.set_left_color(color)
self.set_right_color(color)
def set_bottom(self, bottom=1):
"""
Set the Format bottom property.
Args:
bottom: Default is 1, border type 1.
Returns:
Nothing.
"""
self.bottom = bottom
def set_bottom_color(self, bottom_color):
"""
Set the Format bottom_color property.
Args:
bottom_color: Color string. No default.
Returns:
Nothing.
"""
self.bottom_color = self._get_color(bottom_color)
def set_diag_type(self, diag_type=1):
"""
Set the Format diag_type property.
Args:
diag_type: Default is 1, border type 1.
Returns:
Nothing.
"""
self.diag_type = diag_type
def set_left(self, left=1):
"""
Set the Format left property.
Args:
left: Default is 1, border type 1.
Returns:
Nothing.
"""
self.left = left
def set_left_color(self, left_color):
"""
Set the Format left_color property.
Args:
left_color: Color string. No default.
Returns:
Nothing.
"""
self.left_color = self._get_color(left_color)
def set_right(self, right=1):
"""
Set the Format right property.
Args:
right: Default is 1, border type 1.
Returns:
Nothing.
"""
self.right = right
def set_right_color(self, right_color):
"""
Set the Format right_color property.
Args:
right_color: Color string. No default.
Returns:
Nothing.
"""
self.right_color = self._get_color(right_color)
def set_top(self, top=1):
"""
Set the Format top property.
Args:
top: Default is 1, border type 1.
Returns:
Nothing.
"""
self.top = top
def set_top_color(self, top_color):
"""
Set the Format top_color property.
Args:
top_color: Color string. No default.
Returns:
Nothing.
"""
self.top_color = self._get_color(top_color)
def set_diag_color(self, diag_color):
"""
Set the Format diag_color property.
Args:
diag_color: Color string. No default.
Returns:
Nothing.
"""
self.diag_color = self._get_color(diag_color)
def set_diag_border(self, diag_border=1):
"""
Set the Format diag_border property.
Args:
diag_border: Default is 1, border type 1.
Returns:
Nothing.
"""
self.diag_border = diag_border
###########################################################################
#
# Internal Format properties. These aren't documented since they are
# either only used internally or else are unlikely to be set by the user.
#
###########################################################################
def set_has_font(self, has_font=1):
# Set the has_font property.
self.has_font = has_font
def set_has_fill(self, has_fill=1):
# Set the has_fill property.
self.has_fill = has_fill
def set_font_index(self, font_index):
# Set the font_index property.
self.font_index = font_index
def set_xf_index(self, xf_index):
# Set the xf_index property.
self.xf_index = xf_index
def set_dxf_index(self, dxf_index):
# Set the xf_index property.
self.dxf_index = dxf_index
def set_num_format_index(self, num_format_index):
# Set the num_format_index property.
self.num_format_index = num_format_index
def set_text_h_align(self, text_h_align):
# Set the text_h_align property.
self.text_h_align = text_h_align
def set_text_v_align(self, text_v_align):
# Set the text_v_align property.
self.text_v_align = text_v_align
def set_reading_order(self, reading_order=1):
# Set the reading_order property.
self.reading_order = reading_order
def set_valign(self, align):
# Set vertical cell alignment. This is required by the constructor
# properties dict to differentiate between the vertical and horizontal
# properties.
self.set_align(align)
def set_font_family(self, font_family):
# Set the Format font_family property.
self.font_family = font_family
def set_font_charset(self, font_charset):
# Set the Format font_charset property.
self.font_charset = font_charset
def set_font_scheme(self, font_scheme):
# Set the Format font_scheme property.
self.font_scheme = font_scheme
def set_font_condense(self, font_condense):
# Set the Format font_condense property.
self.font_condense = font_condense
def set_font_extend(self, font_extend):
# Set the Format font_extend property.
self.font_extend = font_extend
def set_theme(self, theme):
# Set the Format theme property.
self.theme = theme
def set_hyperlink(self, hyperlink=1):
# Set the properties for the hyperlink style. This doesn't
# currently work. To be fixed when styles are supported.
self.set_underline(1)
self.set_theme(10)
self.set_align('top')
self.hyperlink = hyperlink
def set_color_indexed(self, color_index):
# Used in the cell comment format.
self.color_indexed = color_index
def set_font_only(self, font_only=True):
# Used in the cell comment format.
self.font_only = font_only
# Compatibility methods.
def set_font(self, font_name):
# For compatibility with Excel::Writer::XLSX.
self.font_name = font_name
def set_size(self, font_size):
# For compatibility with Excel::Writer::XLSX.
self.font_size = font_size
def set_color(self, font_color):
# For compatibility with Excel::Writer::XLSX.
self.font_color = self._get_color(font_color)
###########################################################################
#
# Private API.
#
###########################################################################
def _get_align_properties(self):
# Return properties for an Style xf <alignment> sub-element.
changed = 0
align = []
# Check if any alignment options in the format have been changed.
if (self.text_h_align or self.text_v_align or self.indent
or self.rotation or self.text_wrap or self.shrink
or self.reading_order):
changed = 1
else:
return changed, align
# Indent is only allowed for horizontal left, right and distributed.
# If it is defined for any other alignment or no alignment has
# been set then default to left alignment.
if (self.indent
and self.text_h_align != 1
and self.text_h_align != 3
and self.text_h_align != 7):
self.text_h_align = 1
# Check for properties that are mutually exclusive.
if self.text_wrap:
self.shrink = 0
if self.text_h_align == 4:
self.shrink = 0
if self.text_h_align == 5:
self.shrink = 0
if self.text_h_align == 7:
self.shrink = 0
if self.text_h_align != 7:
self.just_distrib = 0
if self.indent:
self.just_distrib = 0
continuous = 'centerContinuous'
if self.text_h_align == 1:
align.append(('horizontal', 'left'))
if self.text_h_align == 2:
align.append(('horizontal', 'center'))
if self.text_h_align == 3:
align.append(('horizontal', 'right'))
if self.text_h_align == 4:
align.append(('horizontal', 'fill'))
if self.text_h_align == 5:
align.append(('horizontal', 'justify'))
if self.text_h_align == 6:
align.append(('horizontal', continuous))
if self.text_h_align == 7:
align.append(('horizontal', 'distributed'))
if self.just_distrib:
align.append(('justifyLastLine', 1))
# Property 'vertical' => 'bottom' is a default. It sets applyAlignment
# without an alignment sub-element.
if self.text_v_align == 1:
align.append(('vertical', 'top'))
if self.text_v_align == 2:
align.append(('vertical', 'center'))
if self.text_v_align == 4:
align.append(('vertical', 'justify'))
if self.text_v_align == 5:
align.append(('vertical', 'distributed'))
if self.indent:
align.append(('indent', self.indent))
if self.rotation:
align.append(('textRotation', self.rotation))
if self.text_wrap:
align.append(('wrapText', 1))
if self.shrink:
align.append(('shrinkToFit', 1))
if self.reading_order == 1:
align.append(('readingOrder', 1))
if self.reading_order == 2:
align.append(('readingOrder', 2))
return changed, align
def _get_protection_properties(self):
# Return properties for an Excel XML <Protection> element.
attribs = []
if not self.locked:
attribs.append(('locked', 0))
if self.hidden:
attribs.append(('hidden', 1))
return attribs
def _get_format_key(self):
# Returns a unique hash key for a font. Used by Workbook.
key = ':'.join(self._to_string(x) for x in (
self._get_font_key(),
self._get_border_key(),
self._get_fill_key(),
self._get_alignment_key(),
self.num_format,
self.locked,
self.hidden))
return key
def _get_font_key(self):
# Returns a unique hash key for a font. Used by Workbook.
key = ':'.join(self._to_string(x) for x in (
self.bold,
self.font_color,
self.font_charset,
self.font_family,
self.font_outline,
self.font_script,
self.font_shadow,
self.font_strikeout,
self.font_name,
self.italic,
self.font_size,
self.underline))
return key
def _get_border_key(self):
# Returns a unique hash key for a border style. Used by Workbook.
key = ':'.join(self._to_string(x) for x in (
self.bottom,
self.bottom_color,
self.diag_border,
self.diag_color,
self.diag_type,
self.left,
self.left_color,
self.right,
self.right_color,
self.top,
self.top_color))
return key
def _get_fill_key(self):
# Returns a unique hash key for a fill style. Used by Workbook.
key = ':'.join(self._to_string(x) for x in (
self.pattern,
self.bg_color,
self.fg_color))
return key
def _get_alignment_key(self):
# Returns a unique hash key for alignment formats.
key = ':'.join(self._to_string(x) for x in (
self.text_h_align,
self.text_v_align,
self.indent,
self.rotation,
self.text_wrap,
self.shrink,
self.reading_order))
return key
def _get_xf_index(self):
# Returns the XF index number used by Excel to identify a format.
if self.xf_index is not None:
# Format already has an index number so return it.
return self.xf_index
else:
# Format doesn't have an index number so assign one.
key = self._get_format_key()
if key in self.xf_format_indices:
# Format matches existing format with an index.
return self.xf_format_indices[key]
else:
# New format requiring an index. Note. +1 since Excel
# has an implicit "General" format at index 0.
index = 1 + len(self.xf_format_indices)
self.xf_format_indices[key] = index
self.xf_index = index
return index
def _get_dxf_index(self):
# Returns the DXF index number used by Excel to identify a format.
if self.dxf_index is not None:
# Format already has an index number so return it.
return self.dxf_index
else:
# Format doesn't have an index number so assign one.
key = self._get_format_key()
if key in self.dxf_format_indices:
# Format matches existing format with an index.
return self.dxf_format_indices[key]
else:
# New format requiring an index.
index = len(self.dxf_format_indices)
self.dxf_format_indices[key] = index
self.dxf_index = index
return index
def _get_color(self, color):
# Used in conjunction with the set_xxx_color methods to convert a
# colour name into an RGB formatted string. These colours are for
# backward compatibility with older versions of Excel.
named_colors = {
'black': '#000000',
'blue': '#0000FF',
'brown': '#800000',
'cyan': '#00FFFF',
'gray': '#808080',
'green': '#008000',
'lime': '#00FF00',
'magenta': '#FF00FF',
'navy': '#000080',
'orange': '#FF6600',
'pink': '#FF00FF',
'purple': '#800080',
'red': '#FF0000',
'silver': '#C0C0C0',
'white': '#FFFFFF',
'yellow': '#FFFF00',
}
if color in named_colors:
color = named_colors[color]
return color
def _to_string(self, value):
# Convert number to a string but allow for utf-8 strings in Python 2.
try:
return str(value)
except UnicodeEncodeError:
return value.encode('utf-8')
###########################################################################
#
# XML methods.
#
###########################################################################