SectorLabs /
django-localized-fields
| Conditions | 28 |
| Total Lines | 64 |
| Lines | 0 |
| Ratio | 0 % |
| Tests | 34 |
| CRAP Score | 29.6518 |
| Changes | 1 | ||
| Bugs | 0 | Features | 1 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like LocalizedFileFieldForm.clean() often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | 1 | from typing import List |
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| 89 | 1 | def clean(self, value, initial=None): |
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| 90 | """ |
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| 91 | Most part of this method is a copy of |
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| 92 | django.forms.MultiValueField.clean, with the exception of initial |
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| 93 | value handling (this need for correct processing FileField's). |
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| 94 | All original comments saved. |
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| 95 | """ |
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| 96 | 1 | if initial is None: |
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| 97 | 1 | initial = [None for x in range(0, len(value))] |
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| 98 | else: |
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| 99 | 1 | if not isinstance(initial, list): |
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| 100 | 1 | initial = self.widget.decompress(initial) |
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| 101 | |||
| 102 | 1 | clean_data = [] |
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| 103 | 1 | errors = [] |
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| 104 | 1 | if not value or isinstance(value, (list, tuple)): |
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| 105 | 1 | if (not value or not [v for v in value if |
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| 106 | v not in self.empty_values]) \ |
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| 107 | and (not initial or not [v for v in initial if |
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| 108 | v not in self.empty_values]): |
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| 109 | 1 | if self.required: |
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| 110 | 1 | raise ValidationError(self.error_messages['required'], |
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| 111 | code='required') |
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| 112 | else: |
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| 113 | 1 | raise ValidationError(self.error_messages['invalid'], |
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| 114 | code='invalid') |
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| 115 | 1 | for i, field in enumerate(self.fields): |
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| 116 | 1 | try: |
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| 117 | 1 | field_value = value[i] |
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| 118 | 1 | except IndexError: |
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| 119 | 1 | field_value = None |
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| 120 | 1 | try: |
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| 121 | 1 | field_initial = initial[i] |
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| 122 | 1 | except IndexError: |
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| 123 | 1 | field_initial = None |
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| 124 | 1 | if field_value in self.empty_values and \ |
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| 125 | field_initial in self.empty_values: |
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| 126 | 1 | if self.require_all_fields: |
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| 127 | # Raise a 'required' error if the MultiValueField is |
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| 128 | # required and any field is empty. |
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| 129 | if self.required: |
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| 130 | raise ValidationError(self.error_messages['required'], |
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| 131 | code='required') |
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| 132 | 1 | elif field.required: |
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| 133 | # Otherwise, add an 'incomplete' error to the list of |
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| 134 | # collected errors and skip field cleaning, if a required |
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| 135 | # field is empty. |
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| 136 | if field.error_messages['incomplete'] not in errors: |
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| 137 | errors.append(field.error_messages['incomplete']) |
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| 138 | continue |
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| 139 | 1 | try: |
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| 140 | 1 | clean_data.append(field.clean(field_value, field_initial)) |
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| 141 | 1 | except ValidationError as e: |
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| 142 | # Collect all validation errors in a single list, which we'll |
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| 143 | # raise at the end of clean(), rather than raising a single |
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| 144 | # exception for the first error we encounter. Skip duplicates. |
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| 145 | 1 | errors.extend(m for m in e.error_list if m not in errors) |
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| 146 | 1 | if errors: |
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| 147 | 1 | raise ValidationError(errors) |
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| 148 | |||
| 149 | 1 | out = self.compress(clean_data) |
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| 150 | 1 | self.validate(out) |
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| 151 | 1 | self.run_validators(out) |
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| 152 | 1 | return out |
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| 153 | |||
| 167 |
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