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192 lines
5.6 KiB
192 lines
5.6 KiB
"""Class that pretty-prints QMK info.json files.
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"""
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import json
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from decimal import Decimal
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newline = '\n'
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class QMKJSONEncoder(json.JSONEncoder):
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"""Base class for all QMK JSON encoders.
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"""
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container_types = (list, tuple, dict)
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indentation_char = " "
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.indentation_level = 0
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if not self.indent:
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self.indent = 4
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def encode_decimal(self, obj):
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"""Encode a decimal object.
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"""
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if obj == int(obj): # I can't believe Decimal objects don't have .is_integer()
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return int(obj)
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return float(obj)
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def encode_list(self, obj):
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"""Encode a list-like object.
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"""
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if self.primitives_only(obj):
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return "[" + ", ".join(self.encode(element) for element in obj) + "]"
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else:
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self.indentation_level += 1
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output = [self.indent_str + self.encode(element) for element in obj]
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self.indentation_level -= 1
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return "[\n" + ",\n".join(output) + "\n" + self.indent_str + "]"
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def encode(self, obj):
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"""Encode keymap.json objects for QMK.
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"""
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if isinstance(obj, Decimal):
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return self.encode_decimal(obj)
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elif isinstance(obj, (list, tuple)):
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return self.encode_list(obj)
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elif isinstance(obj, dict):
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return self.encode_dict(obj)
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else:
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return super().encode(obj)
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def primitives_only(self, obj):
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"""Returns true if the object doesn't have any container type objects (list, tuple, dict).
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"""
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if isinstance(obj, dict):
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obj = obj.values()
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return not any(isinstance(element, self.container_types) for element in obj)
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@property
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def indent_str(self):
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return self.indentation_char * (self.indentation_level * self.indent)
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class InfoJSONEncoder(QMKJSONEncoder):
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"""Custom encoder to make info.json's a little nicer to work with.
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"""
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def encode_dict(self, obj):
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"""Encode info.json dictionaries.
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"""
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if obj:
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if self.indentation_level == 4:
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# These are part of a layout, put them on a single line.
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return "{ " + ", ".join(f"{self.encode(key)}: {self.encode(element)}" for key, element in sorted(obj.items())) + " }"
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else:
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self.indentation_level += 1
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output = [self.indent_str + f"{json.dumps(key)}: {self.encode(value)}" for key, value in sorted(obj.items(), key=self.sort_dict)]
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self.indentation_level -= 1
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return "{\n" + ",\n".join(output) + "\n" + self.indent_str + "}"
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else:
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return "{}"
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def sort_dict(self, key):
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"""Forces layout to the back of the sort order.
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"""
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key = key[0]
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if self.indentation_level == 1:
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if key == 'manufacturer':
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return '10keyboard_name'
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elif key == 'keyboard_name':
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return '11keyboard_name'
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elif key == 'maintainer':
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return '12maintainer'
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elif key in ('height', 'width'):
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return '40' + str(key)
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elif key == 'community_layouts':
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return '97community_layouts'
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elif key == 'layout_aliases':
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return '98layout_aliases'
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elif key == 'layouts':
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return '99layouts'
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else:
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return '50' + str(key)
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return key
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class KeymapJSONEncoder(QMKJSONEncoder):
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"""Custom encoder to make keymap.json's a little nicer to work with.
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"""
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def encode_dict(self, obj):
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"""Encode dictionary objects for keymap.json.
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"""
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if obj:
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self.indentation_level += 1
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output_lines = [f"{self.indent_str}{json.dumps(key)}: {self.encode(value)}" for key, value in sorted(obj.items(), key=self.sort_dict)]
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output = ',\n'.join(output_lines)
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self.indentation_level -= 1
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return f"{{\n{output}\n{self.indent_str}}}"
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else:
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return "{}"
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def encode_list(self, obj):
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"""Encode a list-like object.
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"""
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if self.indentation_level == 2:
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indent_level = self.indentation_level + 1
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# We have a list of keycodes
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layer = [[]]
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for key in obj:
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if key == 'JSON_NEWLINE':
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layer.append([])
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else:
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layer[-1].append(f'"{key}"')
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layer = [f"{self.indent_str*indent_level}{', '.join(row)}" for row in layer]
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return f"{self.indent_str}[\n{newline.join(layer)}\n{self.indent_str*self.indentation_level}]"
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elif self.primitives_only(obj):
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return "[" + ", ".join(self.encode(element) for element in obj) + "]"
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else:
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self.indentation_level += 1
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output = [self.indent_str + self.encode(element) for element in obj]
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self.indentation_level -= 1
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return "[\n" + ",\n".join(output) + "\n" + self.indent_str + "]"
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def sort_dict(self, key):
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"""Sorts the hashes in a nice way.
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"""
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key = key[0]
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if self.indentation_level == 1:
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if key == 'version':
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return '00version'
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elif key == 'author':
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return '01author'
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elif key == 'notes':
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return '02notes'
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elif key == 'layers':
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return '98layers'
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elif key == 'documentation':
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return '99documentation'
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else:
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return '50' + str(key)
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return key
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