Merge commit 'd6236bba52532944a176597d17a48f0dffcc2d78' as 'axisregistry'

axisregistry/.github/workflows/tox.yml

@@ -0,0 +1,29 @@
+name: Tests & linting with tox
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 5
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox tox-gh-actions
+
+    - name: Test with tox
+      run: tox

axisregistry/AUTHORS.txt

@@ -0,0 +1,10 @@
+# This is the official list of authors of the
+# `gflanguages` module for copyright purposes.
+# This file is distinct from the CONTRIBUTORS files.
+# See the latter for an explanation.
+
+# Names should be added to this file as:
+# Name or Organization <email address>
+# The email address is not required for organizations.
+
+Google LLC

axisregistry/CHANGELOG.md

@@ -0,0 +1,17 @@
+Below are the most important changes from each release.
+
+## 0.2.0 (2022-Mar-14)
+  - Remove pre-processing of fallback names and simplify API
+
+## 0.1.1 (2022-Mar-14)
+  - Fix typos on cursive and monospace axes descriptions.
+  - Remove space characteres from fallback name entries of all axes. (issue #7)
+  - Update `min_value` and `default_value` on **y_transparent_uppercase**.
+
+
+## 0.1.0 (2022-Mar-04)
+### Release notes
+  - Initial release of the `axisregistry` python module.
+  - Most of the code & data was migrated from the [`fontbakery`](https://github.com/googlefonts/fontbakery/) and [`google/fonts`](https://github.com/google/fonts/) git repositories so that the GF Axis Registry data can be easily available to all our tools. The most immediate user of this module is `Font Bakery` itself, as well as `GFTools`.
+  - Axis Registry definitions are still being gradualy updated on the `google/fonts` repo, on its **axisregistry/** directory (https://github.com/google/fonts/tree/main/axisregistry) and this `axisregistry` python module will try to be kept in sync.
+  - There's an ongoing plan to make this module the main place to update these definitions, avoiding data duplication and guaranteeing uniformity across tools.

axisregistry/CONTRIBUTORS.txt

@@ -0,0 +1,27 @@
+# This is the official list of people who can contribute
+# (and typically have contributed) code to this repository.
+# The AUTHORS file lists the copyright holders; this file
+# lists people.  For example, Google employees are listed here
+# but not in AUTHORS, because Google holds the copyright.
+#
+# Names should be added to this file only after verifying that
+# the individual or the individual's organization has agreed to
+# the appropriate Contributor License Agreement, found here:
+#
+#     http://code.google.com/legal/individual-cla-v1.0.html
+#     http://code.google.com/legal/corporate-cla-v1.0.html
+#
+# The agreement for individuals can be filled out on the web.
+#
+# When adding J Random Contributor's name to this file,
+# either J's name or J's organization's name should be
+# added to the AUTHORS file, depending on whether the
+# individual or corporate CLA was used.
+#
+# Names should be added to this file like so:
+#     Name <email address>
+#
+# Please keep the list sorted.
+# (first name; alphabetical order)
+
+Felipe Correa da Silva Sanches <juca@members.fsf.org>

axisregistry/LICENSE.txt

@@ -0,0 +1,202 @@
+
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axisregistry/Lib/axisregistry/__init__.py

@@ -0,0 +1,50 @@
+from pkg_resources import resource_filename
+from google.protobuf import text_format
+
+from axisregistry.axes_pb2 import AxisProto
+
+try:
+    from ._version import version as __version__  # type: ignore
+except ImportError:
+    __version__ = "0.0.0+unknown"
+
+
+def AxisRegistry():
+    registry = {}
+
+    def get_Protobuf_Message(klass, path):
+        message = klass()
+        with open(path, "rb") as text_data:
+            text_format.Merge(text_data.read(), message)
+        return message
+
+    def append_AxisMessage(path):
+        axis = get_Protobuf_Message(AxisProto, path)
+        registry[axis.tag] = axis  # pylint: disable=E1101
+
+    for axis in ["casual.textproto",
+                 "cursive.textproto",
+                 "fill.textproto",
+                 "flair.textproto",
+                 "grade.textproto",
+                 "italic.textproto",
+                 "monospace.textproto",
+                 "optical_size.textproto",
+                 "slant.textproto",
+                 "softness.textproto",
+                 "volume.textproto",
+                 "weight.textproto",
+                 "width.textproto",
+                 "wonky.textproto",
+                 "x_opaque.textproto",
+                 "x_transparent_figures.textproto",
+                 "x_transparent.textproto",
+                 "y_opaque.textproto",
+                 "y_transparent_ascender.textproto",
+                 "y_transparent_descender.textproto",
+                 "y_transparent_figures.textproto",
+                 "y_transparent_lowercase.textproto",
+                 "y_transparent_uppercase.textproto"]:
+        append_AxisMessage(resource_filename('axisregistry', 'data/' + axis))
+
+    return registry

axisregistry/Lib/axisregistry/axes.proto

@@ -0,0 +1,46 @@
+syntax = "proto2";
+// GF Axis Registry Protos
+
+// An axis in the GF Axis Registry
+message AxisProto {
+  // Axis tag
+  optional string tag = 1;
+
+  // Display name for axis, e.g. "Optical size" for 'opsz'
+  // Like 'Name' in
+  // https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_opsz
+  optional string display_name = 7;
+
+  // Lower bound for the axis
+  optional float min_value = 2;
+
+  // The default position to use and to prefer for exemplars
+  optional float default_value = 3;
+
+  // Upper bound for the axis
+  optional float max_value = 4;
+
+  // Input values for this axis must aligned to 10^precision
+  optional int32 precision = 5;
+
+  // Fallback positions along the axis
+  repeated FallbackProto fallback = 6;
+
+  // Short descriptive paragraph
+  optional string description = 8;
+
+  // Whether only the fallback positions should be used, for example, an axis
+  // might have only three relevant positions: the min, the middle, and the max.
+  optional bool fallback_only = 9;
+
+  // The thumbnail image for this axis, if any.
+  optional string illustration_url = 10;
+
+  // Next = 11
+}
+
+message FallbackProto {
+  optional string name = 1;
+  optional float value = 2;
+  optional string display_name = 3;
+}

axisregistry/Lib/axisregistry/axes_pb2.py

@@ -0,0 +1,188 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: axes.proto
+
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='axes.proto',
+  package='',
+  syntax='proto2',
+  serialized_options=None,
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\naxes.proto\"\xe6\x01\n\tAxisProto\x12\x0b\n\x03tag\x18\x01 \x01(\t\x12\x14\n\x0c\x64isplay_name\x18\x07 \x01(\t\x12\x11\n\tmin_value\x18\x02 \x01(\x02\x12\x15\n\rdefault_value\x18\x03 \x01(\x02\x12\x11\n\tmax_value\x18\x04 \x01(\x02\x12\x11\n\tprecision\x18\x05 \x01(\x05\x12 \n\x08\x66\x61llback\x18\x06 \x03(\x0b\x32\x0e.FallbackProto\x12\x13\n\x0b\x64\x65scription\x18\x08 \x01(\t\x12\x15\n\rfallback_only\x18\t \x01(\x08\x12\x18\n\x10illustration_url\x18\n \x01(\t\"B\n\rFallbackProto\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\x02\x12\x14\n\x0c\x64isplay_name\x18\x03 \x01(\t'
+)
+
+
+
+
+_AXISPROTO = _descriptor.Descriptor(
+  name='AxisProto',
+  full_name='AxisProto',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='tag', full_name='AxisProto.tag', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='display_name', full_name='AxisProto.display_name', index=1,
+      number=7, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='min_value', full_name='AxisProto.min_value', index=2,
+      number=2, type=2, cpp_type=6, label=1,
+      has_default_value=False, default_value=float(0),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='default_value', full_name='AxisProto.default_value', index=3,
+      number=3, type=2, cpp_type=6, label=1,
+      has_default_value=False, default_value=float(0),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='max_value', full_name='AxisProto.max_value', index=4,
+      number=4, type=2, cpp_type=6, label=1,
+      has_default_value=False, default_value=float(0),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='precision', full_name='AxisProto.precision', index=5,
+      number=5, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='fallback', full_name='AxisProto.fallback', index=6,
+      number=6, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='description', full_name='AxisProto.description', index=7,
+      number=8, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='fallback_only', full_name='AxisProto.fallback_only', index=8,
+      number=9, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='illustration_url', full_name='AxisProto.illustration_url', index=9,
+      number=10, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto2',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=15,
+  serialized_end=245,
+)
+
+
+_FALLBACKPROTO = _descriptor.Descriptor(
+  name='FallbackProto',
+  full_name='FallbackProto',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='name', full_name='FallbackProto.name', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='value', full_name='FallbackProto.value', index=1,
+      number=2, type=2, cpp_type=6, label=1,
+      has_default_value=False, default_value=float(0),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='display_name', full_name='FallbackProto.display_name', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=b"".decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto2',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=247,
+  serialized_end=313,
+)
+
+_AXISPROTO.fields_by_name['fallback'].message_type = _FALLBACKPROTO
+DESCRIPTOR.message_types_by_name['AxisProto'] = _AXISPROTO
+DESCRIPTOR.message_types_by_name['FallbackProto'] = _FALLBACKPROTO
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+AxisProto = _reflection.GeneratedProtocolMessageType('AxisProto', (_message.Message,), {
+  'DESCRIPTOR' : _AXISPROTO,
+  '__module__' : 'axes_pb2'
+  # @@protoc_insertion_point(class_scope:AxisProto)
+  })
+_sym_db.RegisterMessage(AxisProto)
+
+FallbackProto = _reflection.GeneratedProtocolMessageType('FallbackProto', (_message.Message,), {
+  'DESCRIPTOR' : _FALLBACKPROTO,
+  '__module__' : 'axes_pb2'
+  # @@protoc_insertion_point(class_scope:FallbackProto)
+  })
+_sym_db.RegisterMessage(FallbackProto)
+
+
+# @@protoc_insertion_point(module_scope)

axisregistry/Lib/axisregistry/data/casual.textproto

@@ -0,0 +1,20 @@
+# CASL based on https://github.com/arrowtype/Recursive#variable-axes
+tag: "CASL"
+display_name: "Casual"
+min_value: 0
+max_value: 1
+default_value: 0
+precision: -2
+fallback {
+  name: "Linear"
+  value: 0
+}
+fallback {
+  name: "Casual"
+  value: 1
+}
+fallback_only: false
+illustration_url: "casual.svg"
+description:
+  "Adjust stroke curvature, contrast, and terminals from a sturdy, rational"
+  " Linear style to a friendly, energetic Casual style."

axisregistry/Lib/axisregistry/data/cursive.textproto

@@ -0,0 +1,28 @@
+# CRSV based on https://github.com/arrowtype/Recursive#variable-axes
+tag: "CRSV"
+display_name: "Cursive"
+min_value: 0
+max_value: 1
+default_value: 0.5
+precision: -1
+fallback {
+  name: "Roman"
+  value: 0
+  display_name: "Off"
+}
+fallback {
+  name: "Auto"
+  value: 0.5
+}
+fallback {
+  name: "Cursive"
+  value: 1
+  display_name: "On"
+}
+fallback_only: true
+illustration_url: "cursive.svg"
+description:
+  "Control the substitution of cursive forms along the Slant axis. 'Off' (0)"
+  " maintains Roman letterforms such as a double-storey a and g, 'Auto' (0.5)"
+  " allows for Cursive substitution, and 'On' (1) asserts cursive forms even"
+  " in upright text with a Slant of 0."

axisregistry/Lib/axisregistry/data/fill.textproto

@@ -0,0 +1,22 @@
+# FILL based on https://github.com/google/material-design-icons
+tag: "FILL"
+display_name: "Fill"
+min_value: 0.0
+default_value: 0.0
+max_value: 1.0
+precision: -2
+fallback {
+  name: "Normal"
+  value: 0.0
+}
+fallback {
+  name: "Filled"
+  value: 1.0
+}
+fallback_only: false
+illustration_url: "fill.svg"
+description:
+  "Fill in transparent forms with opaque ones. Sometimes interior opaque"
+  " forms become transparent, to maintain contrasting shapes. This can"
+  " be useful in animation or interaction to convey a state transition."
+  " Ranges from 0 (no treatment) to 1 (completely filled)."

axisregistry/Lib/axisregistry/data/flair.textproto

@@ -0,0 +1,19 @@
+tag: "FLAR"
+display_name: "Flair"
+min_value: 0.0
+default_value: 0.0
+max_value: 100.0
+precision: 1
+fallback {
+  name: "Normal"
+  value: 0.0
+}
+fallback {
+  name: "Flair"
+  value: 100.0
+}
+fallback_only: false
+description: 
+  "As the flair axis grows, the straight sans serif terminals develop"
+  " a swelling, and joints become more idiosyncratic. Originally referring"
+  " to the flaring of the stems, Flair stands for style and panache."

axisregistry/Lib/axisregistry/data/grade.textproto

@@ -0,0 +1,18 @@
+# GRAD based on https://github.com/TypeNetwork/Opentype-1.8-Axis-Proposal/blob/gh-pages/proposal/Grade/ProposalSummary.md
+tag: "GRAD"
+display_name: "Grade"
+min_value: -1000
+max_value: 1000
+default_value: 0
+precision: 0
+fallback {
+  name: "Normal"
+  value: 0
+}
+fallback_only: false
+illustration_url: "grade.svg"
+description:
+  "Finesse the style from lighter to bolder in typographic color, without"
+  " any changes overall width, line breaks or page layout. Negative grade"
+  " makes the style lighter, while positive grade makes it bolder."
+  " The units are the same as in the Weight axis."

axisregistry/Lib/axisregistry/data/italic.textproto

@@ -0,0 +1,21 @@
+# ital based on https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_ital
+tag: "ital"
+display_name: "Italic"
+min_value: 0
+max_value: 1
+default_value: 0
+precision: -1
+fallback {
+  name: "Roman"
+  value: 0
+}
+fallback {
+  name: "Italic"
+  value: 1
+}
+fallback_only: true
+illustration_url: "italic.svg"
+description:
+  "Adjust the style from roman to italic. This can be provided as"
+  " a continuous range within a single font file, like most axes, or as a"
+  " toggle between two roman and italic files that form a family as a pair."

axisregistry/Lib/axisregistry/data/monospace.textproto

@@ -0,0 +1,23 @@
+# FOR TESTING ONLY [for now anyway]
+# MONO based on https://github.com/arrowtype/Recursive#variable-axes
+tag: "MONO"
+display_name: "Monospace"
+min_value: 0
+max_value: 1
+default_value: 0
+precision: -2
+fallback {
+  name: "Proportional"
+  value: 0
+}
+fallback {
+  name: "Monospace"
+  value: 1
+}
+fallback_only: false
+illustration_url: "monospace.svg"
+description:
+  "Adjust the style from Proportional (natural widths, default) to"
+  " Monospace (fixed width). With proportional spacing, each glyph"
+  " takes up a unique amount of space on a line, while monospace"
+  " is when all glyphs have the same total character width."

axisregistry/Lib/axisregistry/data/optical_size.textproto

@@ -0,0 +1,100 @@
+# opsz based on https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_opsz
+# fallbacks based on https://en.wikipedia.org/wiki/Traditional_point-size_names
+# plus discussion with dcrossland@
+tag: "opsz"
+display_name: "Optical size"
+min_value: 6
+max_value: 144
+default_value: 14
+precision: -1
+fallback {
+  name: "6pt"
+  value: 6
+}
+fallback {
+  name: "7pt"
+  value: 7
+}
+fallback {
+  name: "8pt"
+  value: 8
+}
+fallback {
+  name: "9pt"
+  value: 9
+}
+fallback {
+  name: "10pt"
+  value: 10
+}
+fallback {
+  name: "11pt"
+  value: 11
+}
+fallback {
+  name: "12pt"
+  value: 12
+}
+fallback {
+  name: "14pt"
+  value: 14
+}
+fallback {
+  name: "16pt"
+  value: 16
+}
+fallback {
+  name: "17pt"
+  value: 17
+}
+fallback {
+  name: "18pt"
+  value: 18
+}
+fallback {
+  name: "20pt"
+  value: 20
+}
+fallback {
+  name: "24pt"
+  value: 24
+}
+fallback {
+  name: "28pt"
+  value: 28
+}
+fallback {
+  name: "36pt"
+  value: 36
+}
+fallback {
+  name: "48pt"
+  value: 48
+}
+fallback {
+  name: "60pt"
+  value: 60
+}
+fallback {
+  name: "72pt"
+  value: 72
+}
+fallback {
+  name: "96pt"
+  value: 96
+}
+fallback {
+  name: "120pt"
+  value: 120
+}
+fallback {
+  name: "144pt"
+  value: 144
+}
+fallback_only: false
+illustration_url: "optical_size.svg"
+description:
+  "Adapt the style to specific text sizes. At smaller sizes, letters"
+  " typically become optimized for more legibility. At larger sizes,"
+  " optimized for headlines, with more extreme weights and widths."
+  " In CSS this axis is activated by automatically when available."

axisregistry/Lib/axisregistry/data/slant.textproto

@@ -0,0 +1,17 @@
+# slnt based on https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_slnt
+tag: "slnt"
+display_name: "Slant"
+min_value: -90
+max_value: 90
+default_value: 0
+precision: 0
+fallback {
+  name: "Default"
+  value: 0
+}
+fallback_only: false
+illustration_url: "slant.svg"
+description:
+  "Adjust the style from upright to slanted, also known to typographers"
+  " as an 'oblique' style. Rarely, slant can work in the other direction,"
+  " called a 'backslanted' or 'reverse oblique' style."

axisregistry/Lib/axisregistry/data/softness.textproto

@@ -0,0 +1,23 @@
+# SOFT based on https://github.com/undercasetype/Fraunces#variable-axes
+tag: "SOFT"
+display_name: "Softness"
+min_value: 0
+max_value: 100
+default_value: 0
+precision: -1
+fallback {
+  name: "Sharp"
+  value: 0
+}
+fallback {
+  name: "Soft"
+  value: 50
+}
+fallback {
+  name: "SuperSoft"
+  value: 100
+}
+fallback_only: false
+illustration_url: "softness.svg"
+description:
+  "Adjust letterforms to become more and more soft and rounded."

axisregistry/Lib/axisregistry/data/volume.textproto

@@ -0,0 +1,18 @@
+tag: "VOLM"
+display_name: "Volume"
+min_value: 0.0
+default_value: 0.0
+max_value: 100.0
+precision: 1
+fallback {
+  name: "Normal"
+  value: 0.0
+}
+fallback {
+  name: "Loud"
+  value: 100.0
+}
+fallback_only: false
+description:
+  "Transforms serifs from glyphic to wedge shapes,"
+  " and adds a little more edge to other details."

axisregistry/Lib/axisregistry/data/weight.textproto

@@ -0,0 +1,49 @@
+# wght based on https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_wght
+tag: "wght"
+display_name: "Weight"
+min_value: 1
+max_value: 1000
+default_value: 400
+precision: 0
+fallback {
+  name: "Thin"
+  value: 100
+}
+fallback {
+  name: "ExtraLight"
+  value: 200
+}
+fallback {
+  name: "Light"
+  value: 300
+}
+fallback {
+  name: "Regular"
+  value: 400
+}
+fallback {
+  name: "Medium"
+  value: 500
+}
+fallback {
+  name: "SemiBold"
+  value: 600
+}
+fallback {
+  name: "Bold"
+  value: 700
+}
+fallback {
+  name: "ExtraBold"
+  value: 800
+}
+fallback {
+  name: "Black"
+  value: 900
+}
+fallback_only: false
+illustration_url: "weight.svg"
+description:
+  "Adjust the style from lighter to bolder in typographic color, by varying"
+  " stroke thicknesses or other forms. This typically changes overall width,"
+  " and so may be used in conjunction with Width and Grade axes."

axisregistry/Lib/axisregistry/data/width.textproto

@@ -0,0 +1,55 @@
+# wdth based on https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxistag_wdth
+tag: "wdth"
+display_name: "Width"
+min_value: 25
+max_value: 200
+default_value: 100
+precision: -1
+# Instance values based on https://docs.microsoft.com/en-us/typography/opentype/spec/os2#uswidthclass
+fallback {
+  name: "SuperCondensed"
+  value: 25
+}
+fallback {
+  name: "UltraCondensed"
+  value: 50
+}
+fallback {
+  name: "ExtraCondensed"
+  value: 62.5
+}
+fallback {
+  name: "Condensed"
+  value: 75
+}
+fallback {
+  name: "SemiCondensed"
+  value: 87.5
+}
+fallback {
+  name: "Normal"
+  value: 100
+}
+fallback {
+  name: "SemiExpanded"
+  value: 112.5
+}
+fallback {
+  name: "Expanded"
+  value: 125
+}
+fallback {
+  name: "ExtraExpanded"
+  value: 150
+}
+fallback {
+  name: "UltraExpanded"
+  value: 200
+}
+fallback_only: false
+illustration_url: "width.svg"
+description:
+  "Adjust the style from narrower to wider, by varying the proportions of"
+  " counters, stems, and other forms, including overall spacing and kerning."
+  " This typically changes the typographic color in a subtle way, and so"
+  " may be used in conjunction with Width and Grade axes."

axisregistry/Lib/axisregistry/data/wonky.textproto

@@ -0,0 +1,23 @@
+# WONK based on https://github.com/undercasetype/Fraunces#variable-axes
+tag: "WONK"
+display_name: "Wonky"
+min_value: 0
+max_value: 1
+default_value: 0
+precision: 0
+fallback {
+  name: "NonWonky"
+  value: 0
+}
+fallback {
+  name: "Wonky"
+  value: 1
+}
+fallback_only: true
+illustration_url: "wonky.svg"
+description:
+  "Toggle the subsitution of wonky forms. 'Off' (0) maintains more"
+  " conventional letterforms, while 'On' (1) maintains wonky"
+  " letterforms, such as leaning stems in roman, or flagged"
+  " ascenders in italic. These forms are also controlled by"
+  " Optical Size."

axisregistry/Lib/axisregistry/data/x_opaque.textproto

@@ -0,0 +1,14 @@
+# XOPQ based on https://variationsguide.typenetwork.com/#xopq
+tag: "XOPQ"
+display_name: "Thick Stroke"
+min_value: -1000
+max_value: 2000
+default_value: 88
+precision: 0
+fallback {
+  name: "Normal"
+  value: 88
+}
+fallback_only: false
+description:
+  "A parametric axis for varying thick stroke weights, such as stems."

axisregistry/Lib/axisregistry/data/x_transparent.textproto

@@ -0,0 +1,14 @@
+# XTRA based on https://variationsguide.typenetwork.com/#xtra
+tag: "XTRA"
+display_name: "Counter Width"
+min_value: -1000
+max_value: 2000
+default_value: 400
+precision: 0
+fallback {
+  name: "Normal"
+  value: 400
+}
+fallback_only: false
+description:
+  "A parametric axis for varying counter widths in the X dimension."

axisregistry/Lib/axisregistry/data/x_transparent_figures.textproto

@@ -0,0 +1,14 @@
+# XTFI based on https://variationsguide.typenetwork.com/#xtfi
+tag: "XTFI"
+display_name: "X transparent figures"
+min_value: -1000
+max_value: 2000
+default_value: 400
+precision: 0
+fallback {
+  name: "Normal"
+  value: 400
+}
+fallback_only: false
+description:
+  "Assigns a 'white' per mille value to each instance of the design space."

axisregistry/Lib/axisregistry/data/y_opaque.svg

@@ -0,0 +1 @@
+<svg width="1920" height="1080" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="1459" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="1458" y="813" width="218" height="50" rx="25" fill="#1A73E8"/><rect x="851" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="851" y="813" width="122" height="50" rx="25" fill="#1A73E8"/><rect x="244" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="244" y="813" width="50" height="50" rx="25" fill="#1A73E8"/><path fill="#FF6D7F" d="M124 542v-8h275v8zM729 550v-24h284v24zM1339 559v-42h275v42z"/><path d="M174.536 429.146h30.266V533.87h114.367V429.146h30.534v224.716h-30.534v-111.69H204.802v111.69H174l.536-224.716ZM400.06 412h29.73v97.493a73.632 73.632 0 0 1 21.157-16.873 60.523 60.523 0 0 1 26.784-6.428 68.83 68.83 0 0 1 40.175 10.446 40.971 40.971 0 0 1 14.733 35.621v122.134h-29.73v-122.4a39.641 39.641 0 0 0-8.837-28.927 33.472 33.472 0 0 0-24.643-8.571 39.909 39.909 0 0 0-24.642 8.034 51.432 51.432 0 0 0-16.338 19.82v132.044H398.72L400.06 412ZM779 429.146h30.534V525.3h114.367v-96.154h30.802v224.716h-30.802V550.743H809.534v103.119H779V429.146ZM1004.24 412h29.73v97.493a65.988 65.988 0 0 1 21.96-16.873 67.512 67.512 0 0 1 29.2-6.428 51.683 51.683 0 0 1 38.3 14.194 63.448 63.448 0 0 1 12.25 22.331 63.552 63.552 0 0 1 2.48 25.345v107.136h-29.46V548.062a37.804 37.804 0 0 0-8.84-26.784 34.23 34.23 0 0 0-11.6-6.772 34.279 34.279 0 0 0-13.31-1.799 42.316 42.316 0 0 0-24.37 7.501 51.172 51.172 0 0 0-16.61 19.551V656h-29.73V412ZM1388 429.146h30.27v87.851h115.17v-87.851h30v224.716h-30v-94.548h-115.17v94.548H1388V429.146ZM1613.79 412h29.2v97.493a57.768 57.768 0 0 1 21.42-17.944 60.287 60.287 0 0 1 26.79-6.162c7.47-.407 14.94.876 21.84 3.751a49.86 49.86 0 0 1 18.07 12.855 91.075 91.075 0 0 1 14.99 59.729v91.869h-29.19v-92.137a36.65 36.65 0 0 0-7.77-26.784 31.917 31.917 0 0 0-10.99-6.272 31.9 31.9 0 0 0-12.58-1.494 45.26 45.26 0 0 0-26.78 7.498 49.117 49.117 0 0 0-16.61 19.552v98.832h-28.39V412Z" fill="#3C4043"/></svg>

axisregistry/Lib/axisregistry/data/y_opaque.textproto

@@ -0,0 +1,14 @@
+# YOPQ based on https://variationsguide.typenetwork.com/#yopq
+tag: "YOPQ"
+display_name: "Thin Stroke"
+min_value: -1000
+max_value: 2000
+default_value: 116
+precision: 0
+fallback {
+  name: "Normal"
+  value: 116
+}
+fallback_only: false
+description:
+  "A parametric axis for varying thin stroke weights, such as bars and hairlines."

axisregistry/Lib/axisregistry/data/y_transparent_ascender.svg

@@ -0,0 +1 @@
+<svg width="1920" height="1080" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="1459" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="1458" y="813" width="218" height="50" rx="25" fill="#1A73E8"/><rect x="851" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="851" y="813" width="122" height="50" rx="25" fill="#1A73E8"/><rect x="244" y="813" width="218" height="50" rx="25" fill="#D2E3FC"/><rect x="244" y="813" width="50" height="50" rx="25" fill="#1A73E8"/><path fill="#FF6D7F" d="M1320 379h550v39h-550z"/><path fill="#FF6D7F" d="M50 409h1820v10H50z"/><path fill="#FF6D7F" d="M50 418h550v30H50z"/><path d="M165 431.077h32.2v100.52h119.28v-100.52h32.2v234.92h-32.2v-107.8H197.2v107.8H165v-234.92ZM400.484 447.879h31.08v66.64c5.88-7.56 13.44-13.44 22.12-17.92 8.68-4.48 18.48-6.72 29.4-6.72 17.64 0 31.64 5.04 42 14.84s15.4 26.6 15.4 49.84v111.16h-31.08v-111.44c0-13.72-3.08-23.52-8.96-29.4-5.88-5.88-14.56-8.68-26.04-8.68-9.52 0-18.2 2.52-25.48 7.84-7.28 5.32-13.16 12.04-17.36 20.16v121.52h-31.08v-217.84ZM771 431.077h32.2v100.52h119.56v-100.52h32.2v234.92h-32.2v-107.8H803.2v107.8H771v-234.92ZM1006.48 414h31.08v100.52c6.16-7.28 13.72-13.16 23.24-17.64 9.52-4.48 19.6-6.72 30.52-6.72 16.52 0 29.68 5.04 40.04 14.84s15.4 26.6 15.4 49.84V666h-31.08V554.56c0-13.72-3.08-23.52-9.24-29.4-6.16-5.88-14.84-8.68-26.04-8.68-9.52 0-18.2 2.52-25.48 7.84-7.28 5.32-13.16 12.04-17.36 20.16V666h-31.08V414ZM1380 431.076h31.36v100.8h120.4v-100.8h31.36v234.92h-31.36v-108.08h-120.4v108.08H1380v-234.92ZM1615.76 379h30.52v135.8c6.16-7.56 13.72-13.44 22.4-17.92 8.68-4.48 18.76-6.72 29.68-6.72 17.36 0 31.36 5.04 41.72 14.84s15.4 26.32 15.4 49.56V666h-30.52V554.28c0-13.72-3.08-23.52-9.24-29.68s-14.84-8.96-26.32-8.96c-9.8 0-18.2 2.52-25.76 7.84-7.56 5.32-13.16 12.04-17.36 20.44V666h-30.52V379Z" fill="#3C4043"/></svg>

axisregistry/Lib/axisregistry/data/y_transparent_ascender.textproto

@@ -0,0 +1,14 @@
+# YTAS based on https://variationsguide.typenetwork.com/#ytas
+tag: "YTAS"
+display_name: "Ascender Height"
+min_value: 0
+max_value: 1000
+default_value: 750
+precision: 0
+fallback {
+  name: "Normal"
+  value: 750
+}
+fallback_only: false
+description:
+  "A parametric axis for varying the height of lowercase ascenders."

axisregistry/Lib/axisregistry/data/y_transparent_descender.svg

@@ -0,0 +1 @@
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axisregistry/Lib/axisregistry/data/y_transparent_descender.textproto

@@ -0,0 +1,14 @@
+# YTDE based on https://variationsguide.typenetwork.com/#ytde
+tag: "YTDE"
+display_name: "Descender Depth"
+min_value: -1000
+max_value: 0
+default_value: -250
+precision: 0
+fallback {
+  name: "Normal"
+  value: -250
+}
+fallback_only: false
+description:
+  "A parametric axis for varying the height of lowercase descenders."

axisregistry/Lib/axisregistry/data/y_transparent_figures.svg

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axisregistry/Lib/axisregistry/data/y_transparent_figures.textproto

@@ -0,0 +1,14 @@
+# YTFI based on https://variationsguide.typenetwork.com/#ytfi
+tag: "YTFI"
+display_name: "Figure Height"
+min_value: -1000
+max_value: 2000
+default_value: 600 # this is NOT what TN defined, it's just a value that fits for Roboto Flex
+precision: 0
+fallback {
+  name: "Normal"
+  value: 600
+}
+fallback_only: false
+description:
+  "A parametric axis for varying the height of figures."

axisregistry/Lib/axisregistry/data/y_transparent_lowercase.svg

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axisregistry/Lib/axisregistry/data/y_transparent_lowercase.textproto

@@ -0,0 +1,14 @@
+# YTLC based on https://variationsguide.typenetwork.com/#ytlc
+tag: "YTLC"
+display_name: "Lowercase Height"
+min_value: 0
+max_value: 1000
+default_value: 500
+precision: 0
+fallback {
+  name: "Normal"
+  value: 500
+}
+fallback_only: false
+description:
+  "A parametric axis for varying the height of the lowercase."

axisregistry/Lib/axisregistry/data/y_transparent_uppercase.svg

@@ -0,0 +1 @@
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axisregistry/Lib/axisregistry/data/y_transparent_uppercase.textproto

@@ -0,0 +1,14 @@
+# YTUC based on https://variationsguide.typenetwork.com/#ytuc
+tag: "YTUC"
+display_name: "Uppercase Height"
+min_value: 0
+max_value: 1000
+default_value: 725
+precision: 0
+fallback {
+  name: "Normal"
+  value: 725
+}
+fallback_only: false
+description:
+  "A parametric axis for varying the heights of uppercase letterforms."

axisregistry/README.md

@@ -0,0 +1,49 @@
+# AxisRegistry Python Module
+
+This repository contains a python package providing easy access to the GF Axis Registry. Data was copied (and is kept is sync with) its original location at the `axisregistry` directory on the [`google/fonts`](https://github.com/google/fonts) git repo.
+
+As of March 4th, 2022, there's an ongoing plan to soon make this module the central place for updates on the data-set.
+
+## GF Axis Registry
+
+This package contains a collection of metadata source files that collectively form the Google Fonts Axis Registry.
+
+The live Axis Registry is at [fonts.google.com/variablefonts](https://fonts.google.com/variablefonts), and axis definitions are only final when they appear on that page.
+
+When the registry is updated here, a line like `axisregistry/axis_name.textproto` should be added to the `to_sandbox.txt` file.
+
+## Axis Metadata Fields
+
+*   `tag`
+    *   Tag for the axis used to specify an axis in `font-variation-settings` and CSS API requests.
+*   `display_name`
+    *   Readable name for the axis, generally the expanded form of `tag`.
+*   `min_value`
+    *   Lower bound of the axis. Inclusive.
+*   `max_value`
+    *   Upper bound of the axis. Inclusive.
+*   `default_value`
+    *   Default position of the aixs.
+*   `precision`
+    *   Describes the specificity at which an axis position can be specified.
+        For example, `0` means values must be specified as whole numbers while `-1` means values can be as precise as one decimal place.
+*   `fallback` (repeated)
+    *   Instance positions along the axis, such as wght 100,200,300,400,500,600,700,800,900.
+    *   A cross-product of fallback positions along all supported axes is created to support legacy browsers that lack variable font support.
+        For axes with CSS3 properties (such as [font-weight](https://drafts.csswg.org/css-fonts-3/#font-weight-prop)), the positions accessible
+        to CSS3 should be specified. For axes lacking CSS3 properties a legacy browser is limited to a single position and that position must
+        be at a fallback.
+*   `fallback_only`
+    *   Describes whether to only use fallback values when presenting to users.
+*   `description`
+    *   A description of the axis.
+
+## Why does Google Fonts have its own Axis Registry?
+
+We support a superset of the [OpenType axis registry](https://docs.microsoft.com/en-us/typography/opentype/spec/dvaraxisreg) axis set, and use additional metadata for each axis.
+Axes present in a font file but not in this registry will not function via our API.
+No variable font is expected to support all of the axes here.
+
+Any font foundry or distributor library that offers variable fonts has a implicit, latent, de-facto axis registry, which can be extracted by scanning the library for axes' tags, labels, and min/def/max values.
+While in 2016 Microsoft originally offered to include more axes in the OpenType 1.8 specification ([github.com/microsoft/OpenTypeDesignVariationAxisTags](https://github.com/microsoft/OpenTypeDesignVariationAxisTags)), as of August 2020, this effort has stalled.
+We hope more foundries and distributors will publish documents like this that make their axes explicit, to encourage of adoption of variable fonts throughout the industry, and provide source material for a future update to the OpenType specification's axis registry.

axisregistry/requirements.txt

@@ -0,0 +1,3 @@
+--index-url https://pypi.python.org/simple/
+protobuf==3.19.4
+-e .

axisregistry/setup.py

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+# coding: utf-8
+#
+# Copyright 2022 Google LLC All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# See AUTHORS.txt for the list of Authors and LICENSE.txt for the License.
+from setuptools import setup
+
+# Read the contents of the README file
+with open('README.md') as f:
+    long_description = f.read()
+
+setup(
+    name="axisregistry",
+    use_scm_version={"write_to": "Lib/axisregistry/_version.py"},
+    url='https://github.com/googlefonts/axisregistry/',
+    description='A python API to access data from the Google Fonts variable fonts axis registry.',
+    long_description=long_description,
+    long_description_content_type='text/markdown',  # This is important!
+    author=('Felipe Sanches'),
+    author_email='juca@members.fsf.org',
+    package_dir={'': 'Lib'},
+    packages=['axisregistry'],
+    package_data={'axisregistry': [
+                     "data/*.textproto"
+                 ]
+    },
+    zip_safe=False,
+    classifiers=[
+        'Intended Audience :: Developers',
+        'Topic :: Text Processing :: Fonts',
+        'License :: OSI Approved :: Apache Software License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 3'
+    ],
+    python_requires=">=3.7",
+    setup_requires=['setuptools_scm>=4,<6.1'],
+    install_requires=[
+        'protobuf'
+    ]
+)

axisregistry/tests/test_axisregistry_api.py

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+from axisregistry import AxisRegistry
+
+
+def test_AxisRegistry():
+    registry = AxisRegistry()
+    assert 'GRAD' in registry.keys()
+    for axis_tag in registry.keys():
+        assert len(axis_tag) == 4
+        for f in range(len(registry[axis_tag].fallback)):
+            fallback = registry[axis_tag].fallback[f]
+
+            # fallback names should not be space-separated.
+            # (see: https://github.com/googlefonts/axisregistry/issues/7)
+            assert ' ' not in fallback.name

axisregistry/tox.ini

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+[tox]
+envlist = py37, py38, py39, coverage, flake8, pylint
+
+[gh-actions]
+python =
+    3.7: py37, coverage, flake8, pylint
+    3.8: py38, coverage, flake8, pylint
+    3.9: py39, coverage, flake8, pylint
+
+[testenv]
+deps =
+    pytest
+    coverage
+    -rrequirements.txt
+commands = coverage run -m pytest {posargs}
+
+[testenv:coverage]
+deps = coverage
+skip_install = true
+commands =
+    coverage report
+    coverage html
+
+[testenv:flake8]
+deps =
+    flake8
+commands = flake8 --count --show-source --statistics
+
+[testenv:pylint]
+deps =
+    pylint
+wont_fix = invalid-name,protected-access,too-many-lines
+maybe_someday = fixme,missing-docstring,line-too-long
+commands = pylint --disable={[testenv:pylint]wont_fix},{[testenv:pylint]maybe_someday} --ignore=axes_pb2.py Lib/axisregistry
+
+[flake8]
+select = E,F,W
+
+exclude =
+# Exclude the entire build directory:
+    build
+# Exclude these auto-generated files that should not be hand-edited:
+    Lib/axisregistry/*_pb2.py,
+# No need to traverse hidden directories such as .git, .tox
+    .*,
+# Exclude virtual environment directory:
+    venv*,
+# There's no value in checking cache directories
+    __pycache__,
+
+max-line-length=100
+ignore = 
+    E126, # continuation line over-indented for hanging indent