| 133 | will be omitted from the output for better readability. |
| 134 | """ |
| 135 | def _format(node, level=0): |
| 136 | if indent is not None: |
| 137 | level += 1 |
| 138 | prefix = '\n' + indent * level |
| 139 | sep = ',\n' + indent * level |
| 140 | else: |
| 141 | prefix = '' |
| 142 | sep = ', ' |
| 143 | if isinstance(node, AST): |
| 144 | cls = type(node) |
| 145 | args = [] |
| 146 | args_buffer = [] |
| 147 | allsimple = True |
| 148 | keywords = annotate_fields |
| 149 | for name in node._fields: |
| 150 | try: |
| 151 | value = getattr(node, name) |
| 152 | except AttributeError: |
| 153 | keywords = True |
| 154 | continue |
| 155 | if value is None and getattr(cls, name, ...) is None: |
| 156 | keywords = True |
| 157 | continue |
| 158 | if not show_empty: |
| 159 | if value == []: |
| 160 | field_type = cls._field_types.get(name, object) |
| 161 | if getattr(field_type, '__origin__', ...) is list: |
| 162 | if not keywords: |
| 163 | args_buffer.append(repr(value)) |
| 164 | continue |
| 165 | elif isinstance(value, Load): |
| 166 | field_type = cls._field_types.get(name, object) |
| 167 | if field_type is expr_context: |
| 168 | if not keywords: |
| 169 | args_buffer.append(repr(value)) |
| 170 | continue |
| 171 | if not keywords: |
| 172 | args.extend(args_buffer) |
| 173 | args_buffer = [] |
| 174 | value, simple = _format(value, level) |
| 175 | allsimple = allsimple and simple |
| 176 | if keywords: |
| 177 | args.append('%s=%s' % (name, value)) |
| 178 | else: |
| 179 | args.append(value) |
| 180 | if include_attributes and node._attributes: |
| 181 | for name in node._attributes: |
| 182 | try: |
| 183 | value = getattr(node, name) |
| 184 | except AttributeError: |
| 185 | continue |
| 186 | if value is None and getattr(cls, name, ...) is None: |
| 187 | continue |
| 188 | value, simple = _format(value, level) |
| 189 | allsimple = allsimple and simple |
| 190 | args.append('%s=%s' % (name, value)) |
| 191 | if allsimple and len(args) <= 3: |
| 192 | return '%s(%s)' % (node.__class__.__name__, ', '.join(args)), not args |