svn-gvsig-desktop / tags / v1_1_Build_1013 / extensions / extScripting / scripts / jython / Lib / UserList.py @ 13521
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1 | 5782 | jmvivo | """A more or less complete user-defined wrapper around list objects."""
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2 | |||
3 | class UserList: |
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4 | def __init__(self, initlist=None): |
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5 | self.data = []
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6 | if initlist is not None: |
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7 | # XXX should this accept an arbitrary sequence?
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8 | if type(initlist) == type(self.data): |
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9 | self.data[:] = initlist
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10 | elif isinstance(initlist, UserList): |
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11 | self.data[:] = initlist.data[:]
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12 | else:
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13 | self.data = list(initlist) |
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14 | def __repr__(self): return repr(self.data) |
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15 | def __lt__(self, other): return self.data < self.__cast(other) |
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16 | def __le__(self, other): return self.data <= self.__cast(other) |
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17 | def __eq__(self, other): return self.data == self.__cast(other) |
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18 | def __ne__(self, other): return self.data != self.__cast(other) |
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19 | def __gt__(self, other): return self.data > self.__cast(other) |
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20 | def __ge__(self, other): return self.data >= self.__cast(other) |
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21 | def __cast(self, other): |
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22 | if isinstance(other, UserList): return other.data |
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23 | else: return other |
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24 | def __cmp__(self, other): |
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25 | raise RuntimeError, "UserList.__cmp__() is obsolete" |
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26 | def __contains__(self, item): return item in self.data |
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27 | def __len__(self): return len(self.data) |
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28 | def __getitem__(self, i): return self.data[i] |
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29 | def __setitem__(self, i, item): self.data[i] = item |
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30 | def __delitem__(self, i): del self.data[i] |
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31 | def __getslice__(self, i, j): |
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32 | i = max(i, 0); j = max(j, 0) |
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33 | return self.__class__(self.data[i:j]) |
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34 | def __setslice__(self, i, j, other): |
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35 | i = max(i, 0); j = max(j, 0) |
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36 | if isinstance(other, UserList): |
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37 | self.data[i:j] = other.data
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38 | elif isinstance(other, type(self.data)): |
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39 | self.data[i:j] = other
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40 | else:
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41 | self.data[i:j] = list(other) |
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42 | def __delslice__(self, i, j): |
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43 | i = max(i, 0); j = max(j, 0) |
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44 | del self.data[i:j] |
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45 | def __add__(self, other): |
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46 | if isinstance(other, UserList): |
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47 | return self.__class__(self.data + other.data) |
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48 | elif isinstance(other, type(self.data)): |
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49 | return self.__class__(self.data + other) |
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50 | else:
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51 | return self.__class__(self.data + list(other)) |
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52 | def __radd__(self, other): |
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53 | if isinstance(other, UserList): |
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54 | return self.__class__(other.data + self.data) |
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55 | elif isinstance(other, type(self.data)): |
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56 | return self.__class__(other + self.data) |
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57 | else:
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58 | return self.__class__(list(other) + self.data) |
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59 | def __iadd__(self, other): |
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60 | if isinstance(other, UserList): |
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61 | self.data += other.data
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62 | elif isinstance(other, type(self.data)): |
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63 | self.data += other
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64 | else:
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65 | self.data += list(other) |
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66 | return self |
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67 | def __mul__(self, n): |
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68 | return self.__class__(self.data*n) |
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69 | __rmul__ = __mul__ |
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70 | def __imul__(self, n): |
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71 | self.data *= n
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72 | return self |
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73 | def append(self, item): self.data.append(item) |
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74 | def insert(self, i, item): self.data.insert(i, item) |
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75 | def pop(self, i=-1): return self.data.pop(i) |
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76 | def remove(self, item): self.data.remove(item) |
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77 | def count(self, item): return self.data.count(item) |
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78 | def index(self, item): return self.data.index(item) |
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79 | def reverse(self): self.data.reverse() |
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80 | def sort(self, *args): apply(self.data.sort, args) |
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81 | def extend(self, other): |
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82 | if isinstance(other, UserList): |
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83 | self.data.extend(other.data)
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84 | else:
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85 | self.data.extend(other) |