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designspaceLib: allow to construct descriptors from keyword args

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like data classes
This commit is contained in:
Cosimo Lupo 2020-03-20 15:18:46 +00:00
parent 903cccfd45
commit 2d27490c7d
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GPG Key ID: 179A8F0895A02F4F
1 changed files with 107 additions and 48 deletions
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155
Lib/fontTools/designspaceLib/__init__.py
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@ -100,14 +100,32 @@ class SourceDescriptor(SimpleDescriptor):
'mutedGlyphNames',
'familyName', 'styleName']
def __init__(self):
self.filename = None
def __init__(
self,
*,
filename=None,
path=None,
font=None,
name=None,
location=None,
layerName=None,
familyName=None,
styleName=None,
copyLib=False,
copyInfo=False,
copyGroups=False,
copyFeatures=False,
muteKerning=False,
muteInfo=False,
mutedGlyphNames=None,
):
self.filename = filename
"""The original path as found in the document."""
self.path = None
self.path = path
"""The absolute path, calculated from filename."""
self.font = None
self.font = font
"""Any Python object. Optional. Points to a representation of this
source font that is loaded in memory, as a Python object (e.g. a
``defcon.Font`` or a ``fontTools.ttFont.TTFont``).
@ -119,18 +137,19 @@ class SourceDescriptor(SimpleDescriptor):
this field to the disk and make ```filename`` point to that.
"""
self.name = None
self.location = None
self.layerName = None
self.copyLib = False
self.copyInfo = False
self.copyGroups = False
self.copyFeatures = False
self.muteKerning = False
self.muteInfo = False
self.mutedGlyphNames = []
self.familyName = None
self.styleName = None
self.name = name
self.location = location
self.layerName = layerName
self.familyName = familyName
self.styleName = styleName
self.copyLib = copyLib
self.copyInfo = copyInfo
self.copyGroups = copyGroups
self.copyFeatures = copyFeatures
self.muteKerning = muteKerning
self.muteInfo = muteInfo
self.mutedGlyphNames = mutedGlyphNames or []
path = posixpath_property("_path")
filename = posixpath_property("_filename")
@ -152,10 +171,12 @@ class RuleDescriptor(SimpleDescriptor):
"""
_attrs = ['name', 'conditionSets', 'subs'] # what do we need here
def __init__(self):
self.name = None
self.conditionSets = [] # list of list of dict(name='aaaa', minimum=0, maximum=1000)
self.subs = [] # list of substitutions stored as tuples of glyphnames ("a", "a.alt")
def __init__(self, *, name=None, conditionSets=None, subs=None):
self.name = name
# list of lists of dict(name='aaaa', minimum=0, maximum=1000)
self.conditionSets = conditionSets or []
# list of substitutions stored as tuples of glyphnames ("a", "a.alt")
self.subs = subs or []
def evaluateRule(rule, location):
@ -219,26 +240,50 @@ class InstanceDescriptor(SimpleDescriptor):
'info',
'lib']
def __init__(self):
self.filename = None # the original path as found in the document
self.path = None # the absolute path, calculated from filename
self.font = None # Same as in SourceDescriptor.
self.name = None
self.location = None
self.familyName = None
self.styleName = None
self.postScriptFontName = None
self.styleMapFamilyName = None
self.styleMapStyleName = None
self.localisedStyleName = {}
self.localisedFamilyName = {}
self.localisedStyleMapStyleName = {}
self.localisedStyleMapFamilyName = {}
self.glyphs = {}
self.kerning = True
self.info = True
def __init__(
self,
*,
filename=None,
path=None,
font=None,
name=None,
location=None,
familyName=None,
styleName=None,
postScriptFontName=None,
styleMapFamilyName=None,
styleMapStyleName=None,
localisedFamilyName=None,
localisedStyleName=None,
localisedStyleMapFamilyName=None,
localisedStyleMapStyleName=None,
glyphs=None,
kerning=True,
info=True,
lib=None,
):
# the original path as found in the document
self.filename = filename
# the absolute path, calculated from filename
self.path = path
# Same as in SourceDescriptor.
self.font = font
self.name = name
self.location = location
self.familyName = familyName
self.styleName = styleName
self.postScriptFontName = postScriptFontName
self.styleMapFamilyName = styleMapFamilyName
self.styleMapStyleName = styleMapStyleName
self.localisedFamilyName = localisedFamilyName or {}
self.localisedStyleName = localisedStyleName or {}
self.localisedStyleMapFamilyName = localisedStyleMapFamilyName or {}
self.localisedStyleMapStyleName = localisedStyleMapStyleName or {}
self.glyphs = glyphs or {}
self.kerning = kerning
self.info = info
self.lib = {}
self.lib = lib or {}
"""Custom data associated with this instance."""
path = posixpath_property("_path")
@ -294,15 +339,29 @@ class AxisDescriptor(SimpleDescriptor):
flavor = "axis"
_attrs = ['tag', 'name', 'maximum', 'minimum', 'default', 'map']
def __init__(self):
self.tag = None # opentype tag for this axis
self.name = None # name of the axis used in locations
self.labelNames = {} # names for UI purposes, if this is not a standard axis,
self.minimum = None
self.maximum = None
self.default = None
self.hidden = False
self.map = []
def __init__(
self,
*,
tag=None,
name=None,
labelNames=None,
minimum=None,
default=None,
maximum=None,
hidden=False,
map=None,
):
# opentype tag for this axis
self.tag = tag
# name of the axis used in locations
self.name = name
# names for UI purposes, if this is not a standard axis,
self.labelNames = labelNames or {}
self.minimum = minimum
self.maximum = maximum
self.default = default
self.hidden = hidden
self.map = map or []
def serialize(self):
# output to a dict, used in testing