errors

exception fontTools.varLib.errors.VarLibError[source]

Bases: Exception

Base exception for the varLib module.

exception fontTools.varLib.errors.VarLibValidationError[source]

Bases: VarLibError

Raised when input data is invalid from varLib’s point of view.

exception fontTools.varLib.errors.VarLibMergeError(merger=None, **kwargs)[source]

Bases: VarLibError

Raised when input data cannot be merged into a variable font.

property reason

property offender

property details

exception fontTools.varLib.errors.ShouldBeConstant(merger=None, **kwargs)[source]

Bases: VarLibMergeError

some values were different, but should have been the same

property details

exception fontTools.varLib.errors.FoundANone(merger=None, **kwargs)[source]

Bases: VarLibMergeError

one of the values in a list was empty when it shouldn’t have been

property offender

property details

exception fontTools.varLib.errors.NotANone(merger=None, **kwargs)[source]

Bases: VarLibMergeError

one of the values in a list was not empty when it should have been

property offender

property details

exception fontTools.varLib.errors.MismatchedTypes(merger=None, **kwargs)[source]

Bases: VarLibMergeError

data had inconsistent types

exception fontTools.varLib.errors.LengthsDiffer(merger=None, **kwargs)[source]

Bases: VarLibMergeError

a list of objects had inconsistent lengths

exception fontTools.varLib.errors.KeysDiffer(merger=None, **kwargs)[source]

Bases: VarLibMergeError

a list of objects had different keys

exception fontTools.varLib.errors.InconsistentGlyphOrder(merger=None, **kwargs)[source]

Bases: VarLibMergeError

the glyph order was inconsistent between masters

exception fontTools.varLib.errors.InconsistentExtensions(merger=None, **kwargs)[source]

Bases: VarLibMergeError

the masters use extension lookups in inconsistent ways

exception fontTools.varLib.errors.UnsupportedFormat(merger=None, **kwargs)[source]

Bases: VarLibMergeError

an OpenType subtable (%s) had a format I didn’t expect

property reason

exception fontTools.varLib.errors.InconsistentFormats(merger=None, **kwargs)[source]

Bases: UnsupportedFormat

an OpenType subtable (%s) had inconsistent formats between masters

exception fontTools.varLib.errors.VarLibCFFMergeError[source]: Bases: VarLibError

exception fontTools.varLib.errors.VarLibCFFDictMergeError(key, value, values)[source]

Bases: VarLibCFFMergeError

Raised when a CFF PrivateDict cannot be merged.

exception fontTools.varLib.errors.VarLibCFFPointTypeMergeError(point_type, pt_index, m_index, default_type, glyph_name)[source]

Bases: VarLibCFFMergeError

Raised when a CFF glyph cannot be merged because of point type differences.

exception fontTools.varLib.errors.VarLibCFFHintTypeMergeError(hint_type, cmd_index, m_index, default_type, glyph_name)[source]

Bases: VarLibCFFMergeError

Raised when a CFF glyph cannot be merged because of hint type differences.

exception fontTools.varLib.errors.VariationModelError[source]

Bases: VarLibError

Raised when a variation model is faulty.