nicolargo /
glances
| Conditions | 14 |
| Total Lines | 73 |
| Code Lines | 57 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
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 glances.plugins.glances_raid.Plugin.msg_curse() 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 | # -*- coding: utf-8 -*- |
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| 80 | def msg_curse(self, args=None, max_width=None): |
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| 81 | """Return the dict to display in the curse interface.""" |
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| 82 | # Init the return message |
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| 83 | ret = [] |
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| 84 | |||
| 85 | # Only process if stats exist... |
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| 86 | if not self.stats or self.is_disable(): |
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| 87 | return ret |
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| 88 | |||
| 89 | # Max size for the interface name |
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| 90 | name_max_width = max_width - 12 |
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| 91 | |||
| 92 | # Header |
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| 93 | msg = '{:{width}}'.format('RAID disks', |
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| 94 | width=name_max_width) |
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| 95 | ret.append(self.curse_add_line(msg, "TITLE")) |
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| 96 | msg = '{:>7}'.format('Used') |
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| 97 | ret.append(self.curse_add_line(msg)) |
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| 98 | msg = '{:>7}'.format('Avail') |
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| 99 | ret.append(self.curse_add_line(msg)) |
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| 100 | # Data |
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| 101 | arrays = sorted(iterkeys(self.stats)) |
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| 102 | for array in arrays: |
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| 103 | # New line |
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| 104 | ret.append(self.curse_new_line()) |
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| 105 | # Display the current status |
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| 106 | status = self.raid_alert(self.stats[array]['status'], |
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| 107 | self.stats[array]['used'], |
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| 108 | self.stats[array]['available'], |
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| 109 | self.stats[array]['type']) |
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| 110 | # Data: RAID type name | disk used | disk available |
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| 111 | array_type = self.stats[array]['type'].upper() if self.stats[array]['type'] is not None else 'UNKNOWN' |
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| 112 | # Build the full name = array type + array name |
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| 113 | full_name = '{} {}'.format(array_type, array) |
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| 114 | msg = '{:{width}}'.format(full_name, |
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| 115 | width=name_max_width) |
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| 116 | ret.append(self.curse_add_line(msg)) |
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| 117 | if self.stats[array]['type'] == 'raid0' and self.stats[array]['status'] == 'active': |
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| 118 | msg = '{:>7}'.format(len(self.stats[array]['components'])) |
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| 119 | ret.append(self.curse_add_line(msg, status)) |
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| 120 | msg = '{:>7}'.format('-') |
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| 121 | ret.append(self.curse_add_line(msg, status)) |
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| 122 | elif self.stats[array]['status'] == 'active': |
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| 123 | msg = '{:>7}'.format(self.stats[array]['used']) |
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| 124 | ret.append(self.curse_add_line(msg, status)) |
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| 125 | msg = '{:>7}'.format(self.stats[array]['available']) |
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| 126 | ret.append(self.curse_add_line(msg, status)) |
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| 127 | elif self.stats[array]['status'] == 'inactive': |
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| 128 | ret.append(self.curse_new_line()) |
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| 129 | msg = '└─ Status {}'.format(self.stats[array]['status']) |
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| 130 | ret.append(self.curse_add_line(msg, status)) |
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| 131 | components = sorted(iterkeys(self.stats[array]['components'])) |
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| 132 | for i, component in enumerate(components): |
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| 133 | if i == len(components) - 1: |
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| 134 | tree_char = '└─' |
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| 135 | else: |
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| 136 | tree_char = '├─' |
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| 137 | ret.append(self.curse_new_line()) |
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| 138 | msg = ' {} disk {}: '.format(tree_char, self.stats[array]['components'][component]) |
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| 139 | ret.append(self.curse_add_line(msg)) |
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| 140 | msg = '{}'.format(component) |
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| 141 | ret.append(self.curse_add_line(msg)) |
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| 142 | if self.stats[array]['type'] != 'raid0' and (self.stats[array]['used'] < self.stats[array]['available']): |
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| 143 | # Display current array configuration |
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| 144 | ret.append(self.curse_new_line()) |
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| 145 | msg = '└─ Degraded mode' |
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| 146 | ret.append(self.curse_add_line(msg, status)) |
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| 147 | if len(self.stats[array]['config']) < 17: |
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| 148 | ret.append(self.curse_new_line()) |
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| 149 | msg = ' └─ {}'.format(self.stats[array]['config'].replace('_', 'A')) |
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| 150 | ret.append(self.curse_add_line(msg)) |
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| 151 | |||
| 152 | return ret |
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| 153 | |||
| 170 |
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