author | Nishanth Amuluru <nishanth@fossee.in> |
Sat, 08 Jan 2011 11:20:57 +0530 | |
changeset 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
c6bca38c1cbf
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1 |
Caching extended configuration |
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2 |
============================== |
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3 |
|
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4 |
As mentioned in the general buildout documentation, configuration files can |
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5 |
extend each other, including the ability to download configuration being |
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6 |
extended from a URL. If desired, zc.buildout caches downloaded configuration |
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7 |
in order to be able to use it when run offline. |
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8 |
|
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9 |
As we're going to talk about downloading things, let's start an HTTP server. |
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10 |
Also, all of the following will take place inside the sample buildout. |
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11 |
|
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12 |
>>> server_data = tmpdir('server_data') |
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13 |
>>> server_url = start_server(server_data) |
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14 |
>>> cd(sample_buildout) |
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15 |
|
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16 |
We also use a fresh directory for temporary files in order to make sure that |
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17 |
all temporary files have been cleaned up in the end: |
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18 |
|
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19 |
>>> import tempfile |
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20 |
>>> old_tempdir = tempfile.tempdir |
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21 |
>>> tempfile.tempdir = tmpdir('tmp') |
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22 |
|
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24 |
Basic use of the extends cache |
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25 |
------------------------------ |
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26 |
|
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27 |
We put some base configuration on a server and reference it from a sample |
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28 |
buildout: |
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29 |
|
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30 |
>>> write(server_data, 'base.cfg', """\ |
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31 |
... [buildout] |
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... parts = |
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... foo = bar |
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34 |
... """) |
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35 |
|
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36 |
>>> write('buildout.cfg', """\ |
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37 |
... [buildout] |
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38 |
... extends = %sbase.cfg |
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39 |
... """ % server_url) |
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40 |
|
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41 |
When trying to run this buildout offline, we'll find that we cannot read all |
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42 |
of the required configuration: |
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43 |
|
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44 |
>>> print system(buildout + ' -o') |
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While: |
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Initializing. |
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Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
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48 |
|
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Trying the same online, we can: |
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50 |
|
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51 |
>>> print system(buildout) |
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52 |
Unused options for buildout: 'foo'. |
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53 |
|
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54 |
As long as we haven't said anything about caching downloaded configuration, |
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55 |
nothing gets cached. Offline mode will still cause the buildout to fail: |
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|
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>>> print system(buildout + ' -o') |
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While: |
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59 |
Initializing. |
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60 |
Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
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61 |
|
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62 |
Let's now specify a cache for base configuration files. This cache is |
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63 |
different from the download cache used by recipes for caching distributions |
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64 |
and other files; one might, however, use a namespace subdirectory of the |
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65 |
download cache for it. The configuration cache we specify will be created when |
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66 |
running buildout and the base.cfg file will be put in it (with the file name |
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67 |
being a hash of the complete URL): |
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|
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>>> mkdir('cache') |
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70 |
>>> write('buildout.cfg', """\ |
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... [buildout] |
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72 |
... extends = %sbase.cfg |
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... extends-cache = cache |
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... """ % server_url) |
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|
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>>> print system(buildout) |
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77 |
Unused options for buildout: 'foo'. |
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78 |
|
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>>> cache = join(sample_buildout, 'cache') |
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>>> ls(cache) |
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81 |
- 5aedc98d7e769290a29d654a591a3a45 |
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|
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>>> import os |
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>>> cat(cache, os.listdir(cache)[0]) |
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85 |
[buildout] |
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86 |
parts = |
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foo = bar |
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88 |
|
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89 |
We can now run buildout offline as it will read base.cfg from the cache: |
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90 |
|
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>>> print system(buildout + ' -o') |
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92 |
Unused options for buildout: 'foo'. |
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|
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94 |
The cache is being used purely as a fall-back in case we are offline or don't |
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95 |
have access to a configuration file to be downloaded. As long as we are |
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96 |
online, buildout attempts to download a fresh copy of each file even if a |
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97 |
cached copy of the file exists. To see this, we put different configuration in |
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98 |
the same place on the server and run buildout in offline mode so it takes |
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99 |
base.cfg from the cache: |
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100 |
|
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101 |
>>> write(server_data, 'base.cfg', """\ |
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102 |
... [buildout] |
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103 |
... parts = |
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104 |
... bar = baz |
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... """) |
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106 |
|
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107 |
>>> print system(buildout + ' -o') |
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108 |
Unused options for buildout: 'foo'. |
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109 |
|
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110 |
In online mode, buildout will download and use the modified version: |
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111 |
|
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112 |
>>> print system(buildout) |
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113 |
Unused options for buildout: 'bar'. |
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114 |
|
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115 |
Trying offline mode again, the new version will be used as it has been put in |
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116 |
the cache now: |
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117 |
|
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118 |
>>> print system(buildout + ' -o') |
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119 |
Unused options for buildout: 'bar'. |
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120 |
|
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121 |
Clean up: |
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122 |
|
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123 |
>>> rmdir(cache) |
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124 |
|
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125 |
|
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126 |
Specifying extends cache and offline mode |
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127 |
----------------------------------------- |
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128 |
|
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129 |
Normally, the values of buildout options such as the location of a download |
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130 |
cache or whether to use offline mode are determined by first reading the |
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131 |
user's default configuration, updating it with the project's configuration and |
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132 |
finally applying command-line options. User and project configuration are |
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133 |
assembled by reading a file such as ``~/.buildout/default.cfg``, |
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134 |
``buildout.cfg`` or a URL given on the command line, recursively (depth-first) |
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135 |
downloading any base configuration specified by the ``buildout:extends`` |
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136 |
option read from each of those config files, and finally evaluating each |
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137 |
config file to provide default values for options not yet read. |
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138 |
|
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139 |
This works fine for all options that do not influence how configuration is |
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140 |
downloaded in the first place. The ``extends-cache`` and ``offline`` options, |
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141 |
however, are treated differently from the procedure described in order to make |
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142 |
it simple and obvious to see where a particular configuration file came from |
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143 |
under any particular circumstances. |
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144 |
|
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145 |
- Offline and extends-cache settings are read from the two root config files |
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146 |
exclusively. Otherwise one could construct configuration files that, when |
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147 |
read, imply that they should have been read from a different source than |
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148 |
they have. Also, specifying the extends cache within a file that might have |
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149 |
to be taken from the cache before being read wouldn't make a lot of sense. |
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150 |
|
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151 |
- Offline and extends-cache settings given by the user's defaults apply to the |
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152 |
process of assembling the project's configuration. If no extends cache has |
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153 |
been specified by the user's default configuration, the project's root |
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154 |
config file must be available, be it from disk or from the net. |
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155 |
|
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156 |
- Offline mode turned on by the ``-o`` command line option is honoured from |
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157 |
the beginning even though command line options are applied to the |
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158 |
configuration last. If offline mode is not requested by the command line, it |
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159 |
may be switched on by either the user's or the project's config root. |
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160 |
|
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161 |
Extends cache |
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162 |
~~~~~~~~~~~~~ |
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163 |
|
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164 |
Let's see the above rules in action. We create a new home directory for our |
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165 |
user and write user and project configuration that recursively extends online |
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166 |
bases, using different caches: |
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167 |
|
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168 |
>>> mkdir('home') |
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169 |
>>> mkdir('home', '.buildout') |
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170 |
>>> mkdir('cache') |
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171 |
>>> mkdir('user-cache') |
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172 |
>>> os.environ['HOME'] = join(sample_buildout, 'home') |
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173 |
>>> write('home', '.buildout', 'default.cfg', """\ |
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174 |
... [buildout] |
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175 |
... extends = fancy_default.cfg |
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176 |
... extends-cache = user-cache |
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177 |
... """) |
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178 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
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179 |
... [buildout] |
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180 |
... extends = %sbase_default.cfg |
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181 |
... """ % server_url) |
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182 |
>>> write(server_data, 'base_default.cfg', """\ |
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183 |
... [buildout] |
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184 |
... foo = bar |
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185 |
... offline = false |
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186 |
... """) |
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187 |
|
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188 |
>>> write('buildout.cfg', """\ |
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189 |
... [buildout] |
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190 |
... extends = fancy.cfg |
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191 |
... extends-cache = cache |
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192 |
... """) |
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193 |
>>> write('fancy.cfg', """\ |
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194 |
... [buildout] |
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195 |
... extends = %sbase.cfg |
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196 |
... """ % server_url) |
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197 |
>>> write(server_data, 'base.cfg', """\ |
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198 |
... [buildout] |
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199 |
... parts = |
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200 |
... offline = false |
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201 |
... """) |
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202 |
|
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203 |
Buildout will now assemble its configuration from all of these 6 files, |
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204 |
defaults first. The online resources end up in the respective extends caches: |
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205 |
|
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206 |
>>> print system(buildout) |
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207 |
Unused options for buildout: 'foo'. |
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208 |
|
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209 |
>>> ls('user-cache') |
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210 |
- 10e772cf422123ef6c64ae770f555740 |
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211 |
>>> cat('user-cache', os.listdir('user-cache')[0]) |
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212 |
[buildout] |
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213 |
foo = bar |
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214 |
offline = false |
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215 |
|
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216 |
>>> ls('cache') |
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217 |
- c72213127e6eb2208a3e1fc1dba771a7 |
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218 |
>>> cat('cache', os.listdir('cache')[0]) |
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219 |
[buildout] |
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220 |
parts = |
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221 |
offline = false |
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222 |
|
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223 |
If, on the other hand, the extends caches are specified in files that get |
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224 |
extended themselves, they won't be used for assembling the configuration they |
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225 |
belong to (user's or project's, resp.). The extends cache specified by the |
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226 |
user's defaults does, however, apply to downloading project configuration. |
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227 |
Let's rewrite the config files, clean out the caches and re-run buildout: |
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228 |
|
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229 |
>>> write('home', '.buildout', 'default.cfg', """\ |
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230 |
... [buildout] |
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231 |
... extends = fancy_default.cfg |
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232 |
... """) |
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233 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
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234 |
... [buildout] |
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235 |
... extends = %sbase_default.cfg |
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236 |
... extends-cache = user-cache |
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parents:
diff
changeset
|
237 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
238 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
239 |
>>> write('buildout.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
240 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
241 |
... extends = fancy.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
242 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
243 |
>>> write('fancy.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
244 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
245 |
... extends = %sbase.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
246 |
... extends-cache = cache |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
247 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
248 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
249 |
>>> remove('user-cache', os.listdir('user-cache')[0]) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
250 |
>>> remove('cache', os.listdir('cache')[0]) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
251 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
252 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
253 |
Unused options for buildout: 'foo'. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
254 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
255 |
>>> ls('user-cache') |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
256 |
- 0548bad6002359532de37385bb532e26 |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
257 |
>>> cat('user-cache', os.listdir('user-cache')[0]) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
258 |
[buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
259 |
parts = |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
260 |
offline = false |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
261 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
262 |
>>> ls('cache') |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
263 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
264 |
Clean up: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
265 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
266 |
>>> rmdir('user-cache') |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
267 |
>>> rmdir('cache') |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
268 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
269 |
Offline mode and installation from cache |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
270 |
----------------------------~~~~~~~~~~~~ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
271 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
272 |
If we run buildout in offline mode now, it will fail because it cannot get at |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
273 |
the remote configuration file needed by the user's defaults: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
274 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
275 |
>>> print system(buildout + ' -o') |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
276 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
277 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
278 |
Error: Couldn't download 'http://localhost/base_default.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
279 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
280 |
Let's now successively turn on offline mode by different parts of the |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
281 |
configuration and see when buildout applies this setting in each case: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
282 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
283 |
>>> write('home', '.buildout', 'default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
284 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
285 |
... extends = fancy_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
286 |
... offline = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
287 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
288 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
289 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
290 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
291 |
Error: Couldn't download 'http://localhost/base_default.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
292 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
293 |
>>> write('home', '.buildout', 'default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
294 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
295 |
... extends = fancy_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
296 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
297 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
298 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
299 |
... extends = %sbase_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
300 |
... offline = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
301 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
302 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
303 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
304 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
305 |
Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
306 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
307 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
308 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
309 |
... extends = %sbase_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
310 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
311 |
>>> write('buildout.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
312 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
313 |
... extends = fancy.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
314 |
... offline = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
315 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
316 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
317 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
318 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
319 |
Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
320 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
321 |
>>> write('buildout.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
322 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
323 |
... extends = fancy.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
324 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
325 |
>>> write('fancy.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
326 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
327 |
... extends = %sbase.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
328 |
... offline = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
329 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
330 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
331 |
Unused options for buildout: 'foo'. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
332 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
333 |
The ``install-from-cache`` option is treated accordingly: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
334 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
335 |
>>> write('home', '.buildout', 'default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
336 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
337 |
... extends = fancy_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
338 |
... install-from-cache = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
339 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
340 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
341 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
342 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
343 |
Error: Couldn't download 'http://localhost/base_default.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
344 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
345 |
>>> write('home', '.buildout', 'default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
346 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
347 |
... extends = fancy_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
348 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
349 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
350 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
351 |
... extends = %sbase_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
352 |
... install-from-cache = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
353 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
354 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
355 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
356 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
357 |
Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
358 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
359 |
>>> write('home', '.buildout', 'fancy_default.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
360 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
361 |
... extends = %sbase_default.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
362 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
363 |
>>> write('buildout.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
364 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
365 |
... extends = fancy.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
366 |
... install-from-cache = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
367 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
368 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
369 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
370 |
Initializing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
371 |
Error: Couldn't download 'http://localhost/base.cfg' in offline mode. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
372 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
373 |
>>> write('buildout.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
374 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
375 |
... extends = fancy.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
376 |
... """) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
377 |
>>> write('fancy.cfg', """\ |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
378 |
... [buildout] |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
379 |
... extends = %sbase.cfg |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
380 |
... install-from-cache = true |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
381 |
... """ % server_url) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
382 |
>>> print system(buildout) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
383 |
While: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
384 |
Installing. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
385 |
Checking for upgrades. |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
386 |
An internal error occurred ... |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
387 |
ValueError: install_from_cache set to true with no download cache |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
388 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
389 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
390 |
Clean up |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
391 |
-------- |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
392 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
393 |
We should have cleaned up all temporary files created by downloading things: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
394 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
395 |
>>> ls(tempfile.tempdir) |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
396 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
397 |
Reset the global temporary directory: |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
398 |
|
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
399 |
>>> tempfile.tempdir = old_tempdir |