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@@ -1,389 +1,451 b'' | |||
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1 | 1 | # -*- coding: utf-8 -*- |
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2 | 2 | # coding: utf-8 |
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3 | 3 | """A simple configuration system. |
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4 | 4 | |
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5 | 5 | Authors |
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6 | 6 | ------- |
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7 | 7 | * Brian Granger |
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8 | 8 | * Fernando Perez |
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9 | 9 | """ |
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10 | 10 | |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | # Copyright (C) 2008-2009 The IPython Development Team |
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13 | 13 | # |
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14 | 14 | # Distributed under the terms of the BSD License. The full license is in |
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15 | 15 | # the file COPYING, distributed as part of this software. |
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16 | 16 | #----------------------------------------------------------------------------- |
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17 | 17 | |
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18 | 18 | #----------------------------------------------------------------------------- |
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19 | 19 | # Imports |
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20 | 20 | #----------------------------------------------------------------------------- |
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21 | 21 | |
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22 | 22 | import __builtin__ |
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23 | 23 | import os |
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24 | 24 | import sys |
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25 | 25 | |
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26 | 26 | from IPython.external import argparse |
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27 | 27 | from IPython.utils.path import filefind |
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28 | 28 | |
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29 | 29 | #----------------------------------------------------------------------------- |
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30 | 30 | # Exceptions |
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31 | 31 | #----------------------------------------------------------------------------- |
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32 | 32 | |
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33 | 33 | |
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34 | 34 | class ConfigError(Exception): |
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35 | 35 | pass |
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36 | 36 | |
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37 | 37 | |
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38 | 38 | class ConfigLoaderError(ConfigError): |
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39 | 39 | pass |
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40 | 40 | |
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41 | 41 | #----------------------------------------------------------------------------- |
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42 | 42 | # Argparse fix |
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43 | 43 | #----------------------------------------------------------------------------- |
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44 | 44 | |
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45 | 45 | # Unfortunately argparse by default prints help messages to stderr instead of |
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46 | 46 | # stdout. This makes it annoying to capture long help screens at the command |
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47 | 47 | # line, since one must know how to pipe stderr, which many users don't know how |
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48 | 48 | # to do. So we override the print_help method with one that defaults to |
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49 | 49 | # stdout and use our class instead. |
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50 | 50 | |
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51 | 51 | class ArgumentParser(argparse.ArgumentParser): |
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52 | 52 | """Simple argparse subclass that prints help to stdout by default.""" |
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53 | 53 | |
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54 | 54 | def print_help(self, file=None): |
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55 | 55 | if file is None: |
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56 | 56 | file = sys.stdout |
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57 | 57 | return super(ArgumentParser, self).print_help(file) |
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58 | 58 | |
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59 | 59 | print_help.__doc__ = argparse.ArgumentParser.print_help.__doc__ |
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60 | 60 | |
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61 | 61 | #----------------------------------------------------------------------------- |
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62 | 62 | # Config class for holding config information |
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63 | 63 | #----------------------------------------------------------------------------- |
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64 | 64 | |
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65 | 65 | |
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66 | 66 | class Config(dict): |
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67 | 67 | """An attribute based dict that can do smart merges.""" |
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68 | 68 | |
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69 | 69 | def __init__(self, *args, **kwds): |
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70 | 70 | dict.__init__(self, *args, **kwds) |
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71 | 71 | # This sets self.__dict__ = self, but it has to be done this way |
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72 | 72 | # because we are also overriding __setattr__. |
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73 | 73 | dict.__setattr__(self, '__dict__', self) |
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74 | 74 | |
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75 | 75 | def _merge(self, other): |
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76 | 76 | to_update = {} |
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77 | 77 | for k, v in other.iteritems(): |
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78 | 78 | if not self.has_key(k): |
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79 | 79 | to_update[k] = v |
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80 | 80 | else: # I have this key |
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81 | 81 | if isinstance(v, Config): |
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82 | 82 | # Recursively merge common sub Configs |
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83 | 83 | self[k]._merge(v) |
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84 | 84 | else: |
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85 | 85 | # Plain updates for non-Configs |
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86 | 86 | to_update[k] = v |
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87 | 87 | |
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88 | 88 | self.update(to_update) |
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89 | 89 | |
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90 | 90 | def _is_section_key(self, key): |
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91 | 91 | if key[0].upper()==key[0] and not key.startswith('_'): |
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92 | 92 | return True |
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93 | 93 | else: |
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94 | 94 | return False |
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95 | 95 | |
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96 | 96 | def __contains__(self, key): |
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97 | 97 | if self._is_section_key(key): |
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98 | 98 | return True |
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99 | 99 | else: |
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100 | 100 | return super(Config, self).__contains__(key) |
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101 | 101 | # .has_key is deprecated for dictionaries. |
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102 | 102 | has_key = __contains__ |
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103 | 103 | |
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104 | 104 | def _has_section(self, key): |
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105 | 105 | if self._is_section_key(key): |
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106 | 106 | if super(Config, self).__contains__(key): |
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107 | 107 | return True |
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108 | 108 | return False |
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109 | 109 | |
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110 | 110 | def copy(self): |
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111 | 111 | return type(self)(dict.copy(self)) |
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112 | 112 | |
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113 | 113 | def __copy__(self): |
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114 | 114 | return self.copy() |
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115 | 115 | |
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116 | 116 | def __deepcopy__(self, memo): |
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117 | 117 | import copy |
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118 | 118 | return type(self)(copy.deepcopy(self.items())) |
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119 | 119 | |
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120 | 120 | def __getitem__(self, key): |
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121 | 121 | # We cannot use directly self._is_section_key, because it triggers |
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122 | 122 | # infinite recursion on top of PyPy. Instead, we manually fish the |
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123 | 123 | # bound method. |
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124 | 124 | is_section_key = self.__class__._is_section_key.__get__(self) |
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125 | 125 | |
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126 | 126 | # Because we use this for an exec namespace, we need to delegate |
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127 | 127 | # the lookup of names in __builtin__ to itself. This means |
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128 | 128 | # that you can't have section or attribute names that are |
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129 | 129 | # builtins. |
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130 | 130 | try: |
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131 | 131 | return getattr(__builtin__, key) |
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132 | 132 | except AttributeError: |
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133 | 133 | pass |
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134 | 134 | if is_section_key(key): |
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135 | 135 | try: |
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136 | 136 | return dict.__getitem__(self, key) |
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137 | 137 | except KeyError: |
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138 | 138 | c = Config() |
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139 | 139 | dict.__setitem__(self, key, c) |
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140 | 140 | return c |
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141 | 141 | else: |
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142 | 142 | return dict.__getitem__(self, key) |
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143 | 143 | |
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144 | 144 | def __setitem__(self, key, value): |
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145 | 145 | # Don't allow names in __builtin__ to be modified. |
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146 | 146 | if hasattr(__builtin__, key): |
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147 | 147 | raise ConfigError('Config variable names cannot have the same name ' |
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148 | 148 | 'as a Python builtin: %s' % key) |
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149 | 149 | if self._is_section_key(key): |
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150 | 150 | if not isinstance(value, Config): |
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151 | 151 | raise ValueError('values whose keys begin with an uppercase ' |
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152 | 152 | 'char must be Config instances: %r, %r' % (key, value)) |
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153 | 153 | else: |
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154 | 154 | dict.__setitem__(self, key, value) |
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155 | 155 | |
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156 | 156 | def __getattr__(self, key): |
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157 | 157 | try: |
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158 | 158 | return self.__getitem__(key) |
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159 | 159 | except KeyError, e: |
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160 | 160 | raise AttributeError(e) |
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161 | 161 | |
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162 | 162 | def __setattr__(self, key, value): |
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163 | 163 | try: |
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164 | 164 | self.__setitem__(key, value) |
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165 | 165 | except KeyError, e: |
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166 | 166 | raise AttributeError(e) |
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167 | 167 | |
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168 | 168 | def __delattr__(self, key): |
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169 | 169 | try: |
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170 | 170 | dict.__delitem__(self, key) |
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171 | 171 | except KeyError, e: |
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172 | 172 | raise AttributeError(e) |
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173 | 173 | |
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174 | 174 | |
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175 | 175 | #----------------------------------------------------------------------------- |
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176 | 176 | # Config loading classes |
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177 | 177 | #----------------------------------------------------------------------------- |
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178 | 178 | |
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179 | 179 | |
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180 | 180 | class ConfigLoader(object): |
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181 | 181 | """A object for loading configurations from just about anywhere. |
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182 | 182 | |
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183 | 183 | The resulting configuration is packaged as a :class:`Struct`. |
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184 | 184 | |
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185 | 185 | Notes |
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186 | 186 | ----- |
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187 | 187 | A :class:`ConfigLoader` does one thing: load a config from a source |
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188 | 188 | (file, command line arguments) and returns the data as a :class:`Struct`. |
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189 | 189 | There are lots of things that :class:`ConfigLoader` does not do. It does |
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190 | 190 | not implement complex logic for finding config files. It does not handle |
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191 | 191 | default values or merge multiple configs. These things need to be |
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192 | 192 | handled elsewhere. |
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193 | 193 | """ |
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194 | 194 | |
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195 | 195 | def __init__(self): |
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196 | 196 | """A base class for config loaders. |
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197 | 197 | |
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198 | 198 | Examples |
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199 | 199 | -------- |
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200 | 200 | |
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201 | 201 | >>> cl = ConfigLoader() |
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202 | 202 | >>> config = cl.load_config() |
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203 | 203 | >>> config |
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204 | 204 | {} |
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205 | 205 | """ |
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206 | 206 | self.clear() |
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207 | 207 | |
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208 | 208 | def clear(self): |
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209 | 209 | self.config = Config() |
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210 | 210 | |
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211 | 211 | def load_config(self): |
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212 | 212 | """Load a config from somewhere, return a :class:`Config` instance. |
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213 | 213 | |
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214 | 214 | Usually, this will cause self.config to be set and then returned. |
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215 | 215 | However, in most cases, :meth:`ConfigLoader.clear` should be called |
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216 | 216 | to erase any previous state. |
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217 | 217 | """ |
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218 | 218 | self.clear() |
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219 | 219 | return self.config |
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220 | 220 | |
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221 | 221 | |
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222 | 222 | class FileConfigLoader(ConfigLoader): |
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223 | 223 | """A base class for file based configurations. |
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224 | 224 | |
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225 | 225 | As we add more file based config loaders, the common logic should go |
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226 | 226 | here. |
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227 | 227 | """ |
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228 | 228 | pass |
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229 | 229 | |
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230 | 230 | |
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231 | 231 | class PyFileConfigLoader(FileConfigLoader): |
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232 | 232 | """A config loader for pure python files. |
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233 | 233 | |
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234 | 234 | This calls execfile on a plain python file and looks for attributes |
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235 | 235 | that are all caps. These attribute are added to the config Struct. |
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236 | 236 | """ |
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237 | 237 | |
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238 | 238 | def __init__(self, filename, path=None): |
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239 | 239 | """Build a config loader for a filename and path. |
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240 | 240 | |
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241 | 241 | Parameters |
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242 | 242 | ---------- |
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243 | 243 | filename : str |
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244 | 244 | The file name of the config file. |
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245 | 245 | path : str, list, tuple |
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246 | 246 | The path to search for the config file on, or a sequence of |
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247 | 247 | paths to try in order. |
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248 | 248 | """ |
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249 | 249 | super(PyFileConfigLoader, self).__init__() |
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250 | 250 | self.filename = filename |
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251 | 251 | self.path = path |
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252 | 252 | self.full_filename = '' |
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253 | 253 | self.data = None |
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254 | 254 | |
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255 | 255 | def load_config(self): |
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256 | 256 | """Load the config from a file and return it as a Struct.""" |
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257 | 257 | self.clear() |
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258 | 258 | self._find_file() |
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259 | 259 | self._read_file_as_dict() |
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260 | 260 | self._convert_to_config() |
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261 | 261 | return self.config |
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262 | 262 | |
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263 | 263 | def _find_file(self): |
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264 | 264 | """Try to find the file by searching the paths.""" |
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265 | 265 | self.full_filename = filefind(self.filename, self.path) |
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266 | 266 | |
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267 | 267 | def _read_file_as_dict(self): |
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268 | 268 | """Load the config file into self.config, with recursive loading.""" |
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269 | 269 | # This closure is made available in the namespace that is used |
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270 | 270 | # to exec the config file. This allows users to call |
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271 | 271 | # load_subconfig('myconfig.py') to load config files recursively. |
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272 | 272 | # It needs to be a closure because it has references to self.path |
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273 | 273 | # and self.config. The sub-config is loaded with the same path |
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274 | 274 | # as the parent, but it uses an empty config which is then merged |
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275 | 275 | # with the parents. |
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276 | 276 | def load_subconfig(fname): |
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277 | 277 | loader = PyFileConfigLoader(fname, self.path) |
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278 | 278 | try: |
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279 | 279 | sub_config = loader.load_config() |
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280 | 280 | except IOError: |
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281 | 281 | # Pass silently if the sub config is not there. This happens |
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282 | 282 | # when a user us using a profile, but not the default config. |
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283 | 283 | pass |
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284 | 284 | else: |
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285 | 285 | self.config._merge(sub_config) |
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286 | 286 | |
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287 | 287 | # Again, this needs to be a closure and should be used in config |
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288 | 288 | # files to get the config being loaded. |
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289 | 289 | def get_config(): |
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290 | 290 | return self.config |
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291 | 291 | |
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292 | 292 | namespace = dict(load_subconfig=load_subconfig, get_config=get_config) |
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293 | 293 | fs_encoding = sys.getfilesystemencoding() or 'ascii' |
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294 | 294 | conf_filename = self.full_filename.encode(fs_encoding) |
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295 | 295 | execfile(conf_filename, namespace) |
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296 | 296 | |
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297 | 297 | def _convert_to_config(self): |
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298 | 298 | if self.data is None: |
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299 | 299 | ConfigLoaderError('self.data does not exist') |
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300 | 300 | |
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301 | 301 | |
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302 | 302 | class CommandLineConfigLoader(ConfigLoader): |
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303 | 303 | """A config loader for command line arguments. |
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304 | 304 | |
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305 | 305 | As we add more command line based loaders, the common logic should go |
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306 | 306 | here. |
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307 | 307 | """ |
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308 | 308 | |
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309 | 309 | |
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310 | class KeyValueConfigLoader(CommandLineConfigLoader): | |
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311 | """A config loader that loads key value pairs from the command line. | |
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312 | ||
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313 | This allows command line options to be gives in the following form:: | |
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314 | ||
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315 | ipython Global.profile="foo" InteractiveShell.autocall=False | |
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316 | """ | |
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317 | ||
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318 | def __init__(self, argv=None): | |
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319 | """Create a key value pair config loader. | |
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320 | ||
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321 | Parameters | |
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322 | ---------- | |
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323 | argv : list | |
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324 | A list that has the form of sys.argv[1:] which has unicode | |
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325 | elements of the form u"key=value". If this is None (default), | |
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326 | then sys.argv[1:] will be used. | |
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327 | ||
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328 | Returns | |
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329 | ------- | |
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330 | config : Config | |
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331 | The resulting Config object. | |
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332 | ||
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333 | Examples | |
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334 | -------- | |
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335 | ||
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336 | >>> from IPython.config.loader import KeyValueConfigLoader | |
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337 | >>> cl = KeyValueConfigLoader() | |
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338 | >>> cl.load_config(["foo='bar'","A.name='brian'","B.number=0"]) | |
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339 | {'A': {'name': 'brian'}, 'B': {'number': 0}, 'foo': 'bar'} | |
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340 | """ | |
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341 | if argv == None: | |
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342 | argv = sys.argv[1:] | |
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343 | self.argv = argv | |
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344 | ||
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345 | def load_config(self, argv=None): | |
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346 | """Parse the configuration and generate the Config object. | |
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347 | ||
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348 | Parameters | |
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349 | ---------- | |
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350 | argv : list, optional | |
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351 | A list that has the form of sys.argv[1:] which has unicode | |
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352 | elements of the form u"key=value". If this is None (default), | |
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353 | then self.argv will be used. | |
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354 | """ | |
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355 | self.clear() | |
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356 | if argv is None: | |
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357 | argv = self.argv | |
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358 | for item in argv: | |
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359 | pair = tuple(item.split("=")) | |
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360 | if len(pair) == 2: | |
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361 | exec_str = 'self.config.' + pair[0] + '=' + pair[1] | |
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362 | exec exec_str in locals(), globals() | |
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363 | return self.config | |
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364 | ||
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365 | ||
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310 | 366 | class ArgParseConfigLoader(CommandLineConfigLoader): |
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367 | """A loader that uses the argparse module to load from the command line.""" | |
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311 | 368 | |
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312 | 369 | def __init__(self, argv=None, *parser_args, **parser_kw): |
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313 | 370 | """Create a config loader for use with argparse. |
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314 | 371 | |
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315 | 372 | Parameters |
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316 | 373 | ---------- |
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317 | 374 | |
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318 | 375 | argv : optional, list |
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319 | 376 | If given, used to read command-line arguments from, otherwise |
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320 | 377 | sys.argv[1:] is used. |
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321 | 378 | |
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322 | 379 | parser_args : tuple |
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323 | 380 | A tuple of positional arguments that will be passed to the |
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324 | 381 | constructor of :class:`argparse.ArgumentParser`. |
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325 | 382 | |
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326 | 383 | parser_kw : dict |
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327 | 384 | A tuple of keyword arguments that will be passed to the |
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328 | 385 | constructor of :class:`argparse.ArgumentParser`. |
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386 | ||
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387 | Returns | |
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388 | ------- | |
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389 | config : Config | |
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390 | The resulting Config object. | |
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329 | 391 | """ |
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330 | 392 | super(CommandLineConfigLoader, self).__init__() |
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331 | 393 | if argv == None: |
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332 | 394 | argv = sys.argv[1:] |
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333 | 395 | self.argv = argv |
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334 | 396 | self.parser_args = parser_args |
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335 | 397 | self.version = parser_kw.pop("version", None) |
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336 | 398 | kwargs = dict(argument_default=argparse.SUPPRESS) |
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337 | 399 | kwargs.update(parser_kw) |
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338 | 400 | self.parser_kw = kwargs |
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339 | 401 | |
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340 |
def load_config(self, arg |
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341 |
"""Parse command line arguments and return as a |
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402 | def load_config(self, argv=None): | |
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403 | """Parse command line arguments and return as a Config object. | |
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342 | 404 | |
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343 | 405 | Parameters |
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344 | 406 | ---------- |
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345 | 407 | |
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346 | 408 | args : optional, list |
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347 | 409 | If given, a list with the structure of sys.argv[1:] to parse |
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348 | 410 | arguments from. If not given, the instance's self.argv attribute |
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349 | 411 | (given at construction time) is used.""" |
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350 | 412 | self.clear() |
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351 |
if arg |
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352 |
arg |
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413 | if argv is None: | |
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414 | argv = self.argv | |
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353 | 415 | self._create_parser() |
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354 |
self._parse_args(arg |
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416 | self._parse_args(argv) | |
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355 | 417 | self._convert_to_config() |
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356 | 418 | return self.config |
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357 | 419 | |
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358 | 420 | def get_extra_args(self): |
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359 | 421 | if hasattr(self, 'extra_args'): |
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360 | 422 | return self.extra_args |
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361 | 423 | else: |
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362 | 424 | return [] |
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363 | 425 | |
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364 | 426 | def _create_parser(self): |
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365 | 427 | self.parser = ArgumentParser(*self.parser_args, **self.parser_kw) |
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366 | 428 | self._add_arguments() |
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367 | 429 | |
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368 | 430 | def _add_arguments(self): |
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369 | 431 | raise NotImplementedError("subclasses must implement _add_arguments") |
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370 | 432 | |
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371 | 433 | def _parse_args(self, args): |
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372 | 434 | """self.parser->self.parsed_data""" |
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373 | 435 | # decode sys.argv to support unicode command-line options |
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374 | 436 | uargs = [] |
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375 | 437 | for a in args: |
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376 | 438 | if isinstance(a, str): |
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377 | 439 | # don't decode if we already got unicode |
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378 | 440 | a = a.decode(sys.stdin.encoding or |
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379 | 441 | sys.getdefaultencoding()) |
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380 | 442 | uargs.append(a) |
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381 | 443 | self.parsed_data, self.extra_args = self.parser.parse_known_args(uargs) |
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382 | 444 | |
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383 | 445 | def _convert_to_config(self): |
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384 | 446 | """self.parsed_data->self.config""" |
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385 | 447 | for k, v in vars(self.parsed_data).iteritems(): |
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386 | 448 | exec_str = 'self.config.' + k + '= v' |
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387 | 449 | exec exec_str in locals(), globals() |
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388 | 450 | |
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389 | 451 |
@@ -1,174 +1,188 b'' | |||
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1 | 1 | #!/usr/bin/env python |
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2 | 2 | # encoding: utf-8 |
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3 | 3 | """ |
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4 | 4 | Tests for IPython.config.loader |
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5 | 5 | |
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6 | 6 | Authors: |
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7 | 7 | |
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8 | 8 | * Brian Granger |
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9 | 9 | * Fernando Perez (design help) |
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10 | 10 | """ |
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11 | 11 | |
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12 | 12 | #----------------------------------------------------------------------------- |
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13 | 13 | # Copyright (C) 2008-2009 The IPython Development Team |
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14 | 14 | # |
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15 | 15 | # Distributed under the terms of the BSD License. The full license is in |
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16 | 16 | # the file COPYING, distributed as part of this software. |
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17 | 17 | #----------------------------------------------------------------------------- |
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18 | 18 | |
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19 | 19 | #----------------------------------------------------------------------------- |
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20 | 20 | # Imports |
|
21 | 21 | #----------------------------------------------------------------------------- |
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22 | 22 | |
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23 | 23 | import os |
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24 | 24 | from tempfile import mkstemp |
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25 | 25 | from unittest import TestCase |
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26 | 26 | |
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27 | 27 | from IPython.config.loader import ( |
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28 | 28 | Config, |
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29 |
PyFileConfigLoader, |
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29 | PyFileConfigLoader, | |
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30 | KeyValueConfigLoader, | |
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30 | 31 | ArgParseConfigLoader, |
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31 | 32 | ConfigError |
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32 | 33 | ) |
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33 | 34 | |
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34 | 35 | #----------------------------------------------------------------------------- |
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35 | 36 | # Actual tests |
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36 | 37 | #----------------------------------------------------------------------------- |
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37 | 38 | |
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38 | 39 | |
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39 | 40 | pyfile = """ |
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40 | 41 | c = get_config() |
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41 |
c.a |
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42 |
c.b |
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43 |
c.Foo.Bar.value |
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44 |
c.Foo.Bam.value |
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45 |
c.D.C.value |
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42 | c.a=10 | |
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43 | c.b=20 | |
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44 | c.Foo.Bar.value=10 | |
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45 | c.Foo.Bam.value=range(10) | |
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46 | c.D.C.value='hi there' | |
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46 | 47 | """ |
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47 | 48 | |
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48 | 49 | class TestPyFileCL(TestCase): |
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49 | 50 | |
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50 | 51 | def test_basic(self): |
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51 | 52 | fd, fname = mkstemp('.py') |
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52 | 53 | f = os.fdopen(fd, 'w') |
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53 | 54 | f.write(pyfile) |
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54 | 55 | f.close() |
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55 | 56 | # Unlink the file |
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56 | 57 | cl = PyFileConfigLoader(fname) |
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57 | 58 | config = cl.load_config() |
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58 | 59 | self.assertEquals(config.a, 10) |
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59 | 60 | self.assertEquals(config.b, 20) |
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60 | 61 | self.assertEquals(config.Foo.Bar.value, 10) |
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61 | 62 | self.assertEquals(config.Foo.Bam.value, range(10)) |
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62 | 63 | self.assertEquals(config.D.C.value, 'hi there') |
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63 | 64 | |
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64 | 65 | class MyLoader1(ArgParseConfigLoader): |
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65 | 66 | def _add_arguments(self): |
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66 | 67 | p = self.parser |
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67 | 68 | p.add_argument('-f', '--foo', dest='Global.foo', type=str) |
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68 | 69 | p.add_argument('-b', dest='MyClass.bar', type=int) |
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69 | 70 | p.add_argument('-n', dest='n', action='store_true') |
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70 | 71 | p.add_argument('Global.bam', type=str) |
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71 | 72 | |
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72 | 73 | class MyLoader2(ArgParseConfigLoader): |
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73 | 74 | def _add_arguments(self): |
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74 | 75 | subparsers = self.parser.add_subparsers(dest='subparser_name') |
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75 | 76 | subparser1 = subparsers.add_parser('1') |
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76 | 77 | subparser1.add_argument('-x',dest='Global.x') |
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77 | 78 | subparser2 = subparsers.add_parser('2') |
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78 | 79 | subparser2.add_argument('y') |
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79 | 80 | |
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80 | 81 | class TestArgParseCL(TestCase): |
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81 | 82 | |
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82 | 83 | def test_basic(self): |
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83 | 84 | cl = MyLoader1() |
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84 | 85 | config = cl.load_config('-f hi -b 10 -n wow'.split()) |
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85 | 86 | self.assertEquals(config.Global.foo, 'hi') |
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86 | 87 | self.assertEquals(config.MyClass.bar, 10) |
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87 | 88 | self.assertEquals(config.n, True) |
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88 | 89 | self.assertEquals(config.Global.bam, 'wow') |
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89 | 90 | config = cl.load_config(['wow']) |
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90 | 91 | self.assertEquals(config.keys(), ['Global']) |
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91 | 92 | self.assertEquals(config.Global.keys(), ['bam']) |
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92 | 93 | self.assertEquals(config.Global.bam, 'wow') |
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93 | 94 | |
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94 | 95 | def test_add_arguments(self): |
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95 | 96 | cl = MyLoader2() |
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96 | 97 | config = cl.load_config('2 frobble'.split()) |
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97 | 98 | self.assertEquals(config.subparser_name, '2') |
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98 | 99 | self.assertEquals(config.y, 'frobble') |
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99 | 100 | config = cl.load_config('1 -x frobble'.split()) |
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100 | 101 | self.assertEquals(config.subparser_name, '1') |
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101 | 102 | self.assertEquals(config.Global.x, 'frobble') |
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102 | 103 | |
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103 | 104 | def test_argv(self): |
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104 | 105 | cl = MyLoader1(argv='-f hi -b 10 -n wow'.split()) |
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105 | 106 | config = cl.load_config() |
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106 | 107 | self.assertEquals(config.Global.foo, 'hi') |
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107 | 108 | self.assertEquals(config.MyClass.bar, 10) |
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108 | 109 | self.assertEquals(config.n, True) |
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109 | 110 | self.assertEquals(config.Global.bam, 'wow') |
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110 | 111 | |
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111 | 112 | |
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113 | class TestKeyValueCL(TestCase): | |
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114 | ||
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115 | def test_basic(self): | |
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116 | cl = KeyValueConfigLoader() | |
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117 | argv = [s.strip('c.') for s in pyfile.split('\n')[2:-1]] | |
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118 | print argv | |
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119 | config = cl.load_config(argv) | |
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120 | self.assertEquals(config.a, 10) | |
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121 | self.assertEquals(config.b, 20) | |
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122 | self.assertEquals(config.Foo.Bar.value, 10) | |
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123 | self.assertEquals(config.Foo.Bam.value, range(10)) | |
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124 | self.assertEquals(config.D.C.value, 'hi there') | |
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125 | ||
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112 | 126 | class TestConfig(TestCase): |
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113 | 127 | |
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114 | 128 | def test_setget(self): |
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115 | 129 | c = Config() |
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116 | 130 | c.a = 10 |
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117 | 131 | self.assertEquals(c.a, 10) |
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118 | 132 | self.assertEquals(c.has_key('b'), False) |
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119 | 133 | |
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120 | 134 | def test_auto_section(self): |
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121 | 135 | c = Config() |
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122 | 136 | self.assertEquals(c.has_key('A'), True) |
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123 | 137 | self.assertEquals(c._has_section('A'), False) |
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124 | 138 | A = c.A |
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125 | 139 | A.foo = 'hi there' |
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126 | 140 | self.assertEquals(c._has_section('A'), True) |
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127 | 141 | self.assertEquals(c.A.foo, 'hi there') |
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128 | 142 | del c.A |
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129 | 143 | self.assertEquals(len(c.A.keys()),0) |
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130 | 144 | |
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131 | 145 | def test_merge_doesnt_exist(self): |
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132 | 146 | c1 = Config() |
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133 | 147 | c2 = Config() |
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134 | 148 | c2.bar = 10 |
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135 | 149 | c2.Foo.bar = 10 |
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136 | 150 | c1._merge(c2) |
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137 | 151 | self.assertEquals(c1.Foo.bar, 10) |
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138 | 152 | self.assertEquals(c1.bar, 10) |
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139 | 153 | c2.Bar.bar = 10 |
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140 | 154 | c1._merge(c2) |
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141 | 155 | self.assertEquals(c1.Bar.bar, 10) |
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142 | 156 | |
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143 | 157 | def test_merge_exists(self): |
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144 | 158 | c1 = Config() |
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145 | 159 | c2 = Config() |
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146 | 160 | c1.Foo.bar = 10 |
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147 | 161 | c1.Foo.bam = 30 |
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148 | 162 | c2.Foo.bar = 20 |
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149 | 163 | c2.Foo.wow = 40 |
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150 | 164 | c1._merge(c2) |
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151 | 165 | self.assertEquals(c1.Foo.bam, 30) |
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152 | 166 | self.assertEquals(c1.Foo.bar, 20) |
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153 | 167 | self.assertEquals(c1.Foo.wow, 40) |
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154 | 168 | c2.Foo.Bam.bam = 10 |
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155 | 169 | c1._merge(c2) |
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156 | 170 | self.assertEquals(c1.Foo.Bam.bam, 10) |
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157 | 171 | |
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158 | 172 | def test_deepcopy(self): |
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159 | 173 | c1 = Config() |
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160 | 174 | c1.Foo.bar = 10 |
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161 | 175 | c1.Foo.bam = 30 |
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162 | 176 | c1.a = 'asdf' |
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163 | 177 | c1.b = range(10) |
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164 | 178 | import copy |
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165 | 179 | c2 = copy.deepcopy(c1) |
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166 | 180 | self.assertEquals(c1, c2) |
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167 | 181 | self.assert_(c1 is not c2) |
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168 | 182 | self.assert_(c1.Foo is not c2.Foo) |
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169 | 183 | |
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170 | 184 | def test_builtin(self): |
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171 | 185 | c1 = Config() |
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172 | 186 | exec 'foo = True' in c1 |
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173 | 187 | self.assertEquals(c1.foo, True) |
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174 | 188 | self.assertRaises(ConfigError, setattr, c1, 'ValueError', 10) |
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