Mercurial > repos > shellac > sam_consensus_v3

annotate env/lib/python3.9/site-packages/galaxy/util/odict.py @ 0:4f3585e2f14b draft default tip

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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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1 """
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2 Ordered dictionary implementation with `insert` functionality.
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3
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4 This is only used in one specific place in the codebase:
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5 galaxy.tools.toolbox.panel
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6
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7 Whenever possible the stdlib `collections.OrderedDict` should be used instead of
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8 this custom implementation.
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9 """
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10
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11 from collections import UserDict
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12
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13 dict_alias = dict
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14
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15
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16 class odict(UserDict):
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17 """
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18 http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/107747
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19
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20 This dictionary class extends UserDict to record the order in which items are
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21 added. Calling keys(), values(), items(), etc. will return results in this
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22 order.
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23 """
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24
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25 def __init__(self, dict=None):
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26 item = dict
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27 self._keys = []
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28 if isinstance(item, dict_alias):
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29 UserDict.__init__(self, item)
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30 else:
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31 UserDict.__init__(self, None)
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32 if isinstance(item, list):
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33 for (key, value) in item:
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34 self[key] = value
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35
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36 def __delitem__(self, key):
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37 UserDict.__delitem__(self, key)
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38 self._keys.remove(key)
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39
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40 def __setitem__(self, key, item):
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41 UserDict.__setitem__(self, key, item)
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42 if key not in self._keys:
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43 self._keys.append(key)
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44
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45 def clear(self):
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46 UserDict.clear(self)
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47 self._keys = []
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48
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49 def copy(self):
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50 new = odict()
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51 new.update(self)
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52 return new
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53
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54 def items(self):
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55 return zip(self._keys, self.values())
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56
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57 def keys(self):
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58 return self._keys[:]
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59
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60 def popitem(self):
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61 try:
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62 key = self._keys[-1]
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63 except IndexError:
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64 raise KeyError('dictionary is empty')
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65 val = self[key]
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66 del self[key]
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67 return (key, val)
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68
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69 def setdefault(self, key, failobj=None):
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70 if key not in self._keys:
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71 self._keys.append(key)
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72 return UserDict.setdefault(self, key, failobj)
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73
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74 def update(self, dict):
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75 for (key, val) in dict.items():
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76 self.__setitem__(key, val)
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77
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78 def values(self):
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79 return map(self.get, self._keys)
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80
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81 def iterkeys(self):
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82 return iter(self._keys)
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83
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84 def itervalues(self):
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85 for key in self._keys:
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86 yield self.get(key)
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87
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88 def iteritems(self):
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89 for key in self._keys:
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90 yield key, self.get(key)
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91
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92 def __iter__(self):
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93 yield from self._keys
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94
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95 def reverse(self):
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96 self._keys.reverse()
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97
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98 def insert(self, index, key, item):
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99 if key not in self._keys:
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100 self._keys.insert(index, key)
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101 UserDict.__setitem__(self, key, item)