| 1 | class ComponentAdapter: |
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| 2 | |
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| 3 | def __init__(self, components, name, data): |
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| 4 | self.components = components |
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| 5 | self.name = name |
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| 6 | self.data = data |
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| 7 | |
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| 8 | @property |
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| 9 | def optional(self): |
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| 10 | return self.data.get('optional', []) |
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| 11 | |
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| 12 | @property |
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| 13 | def supersedes(self): |
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| 14 | return self.data.get('supersedes', []) |
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| 15 | |
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| 16 | @property |
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| 17 | def requires(self): |
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| 18 | r = self.data.get('requires', []) |
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| 19 | |
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| 20 | if self.type != 'js' \ |
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| 21 | or self.name == 'yahoo' \ |
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| 22 | or 'yahoo' in self.supersedes \ |
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| 23 | or 'yahoo' in r: |
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| 24 | return r |
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| 25 | else: |
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| 26 | return ['yahoo'] + r |
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| 27 | |
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| 28 | @property |
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| 29 | def after(self): |
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| 30 | if self.type == 'css': |
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| 31 | return self.data.get('after', []) |
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| 32 | elif self.type == 'js': |
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| 33 | return self.data.get('after', []) + \ |
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| 34 | self.components.get_css_components() |
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| 35 | |
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| 36 | @property |
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| 37 | def rollup(self): |
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| 38 | return self.data.get('rollup', 1) |
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| 39 | |
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| 40 | @property |
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| 41 | def skinnable(self): |
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| 42 | return self.data.get('skinnable', False) |
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| 43 | |
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| 44 | @property |
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| 45 | def fullpath(self): |
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| 46 | return self.data.get('fullpath', None) |
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| 47 | |
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| 48 | def __getattr__(self, attname): |
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| 49 | return self.data[attname] |
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| 50 | |
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| 51 | |
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| 52 | class Components(dict): |
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| 53 | def __init__(self, components_dict): |
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| 54 | super(Components, self).__init__() |
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| 55 | self.rollup_mapping = {} |
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| 56 | for component_name, data in components_dict.items(): |
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| 57 | self.add(component_name, data) |
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| 58 | |
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| 59 | def __getitem__(self, component_name): |
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| 60 | data = super(Components, self).__getitem__(component_name) |
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| 61 | return ComponentAdapter(self, component_name, data) |
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| 62 | |
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| 63 | def get_rollups(self, component_name): |
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| 64 | return self.rollup_mapping[component_name] |
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| 65 | |
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| 66 | def get_all_rollups(self, component_name): |
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| 67 | rollups = self.get_rollups(component_name) |
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| 68 | for superseded in self[component_name].supersedes: |
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| 69 | rollups.update(self.get_all_rollups(superseded)) |
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| 70 | return rollups |
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| 71 | |
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| 72 | def get_css_components(self): |
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| 73 | return [name for name, data in self.items() |
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| 74 | if data['type'] == 'css'] |
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| 75 | |
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| 76 | def add(self, component_name, data): |
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| 77 | self[component_name] = data |
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| 78 | self.rollup_mapping.setdefault(component_name, set()) |
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| 79 | if 'rollup' not in data: |
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| 80 | return |
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| 81 | for rolled_up in data['supersedes']: |
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| 82 | self.rollup_mapping.setdefault(rolled_up, set()).add( |
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| 83 | component_name) |
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