Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/command/install_data.py @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 3e26c9033306
children
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rev   line source
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1 """distutils.command.install_data
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2
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3 Implements the Distutils 'install_data' command, for installing
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4 platform-independent data files."""
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5
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6 # contributed by Bastian Kleineidam
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7
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8 import os
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9 from distutils.core import Command
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10 from distutils.util import change_root, convert_path
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11
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12 class install_data(Command):
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13
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14 description = "install data files"
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15
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16 user_options = [
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17 ('install-dir=', 'd',
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18 "base directory for installing data files "
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19 "(default: installation base dir)"),
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20 ('root=', None,
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21 "install everything relative to this alternate root directory"),
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22 ('force', 'f', "force installation (overwrite existing files)"),
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23 ]
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24
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25 boolean_options = ['force']
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26
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27 def initialize_options(self):
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28 self.install_dir = None
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29 self.outfiles = []
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30 self.root = None
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31 self.force = 0
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32 self.data_files = self.distribution.data_files
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33 self.warn_dir = 1
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34
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35 def finalize_options(self):
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36 self.set_undefined_options('install',
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37 ('install_data', 'install_dir'),
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38 ('root', 'root'),
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39 ('force', 'force'),
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40 )
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41
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42 def run(self):
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43 self.mkpath(self.install_dir)
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44 for f in self.data_files:
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45 if isinstance(f, str):
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46 # it's a simple file, so copy it
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47 f = convert_path(f)
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48 if self.warn_dir:
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49 self.warn("setup script did not provide a directory for "
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50 "'%s' -- installing right in '%s'" %
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51 (f, self.install_dir))
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52 (out, _) = self.copy_file(f, self.install_dir)
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53 self.outfiles.append(out)
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54 else:
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55 # it's a tuple with path to install to and a list of files
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56 dir = convert_path(f[0])
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57 if not os.path.isabs(dir):
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58 dir = os.path.join(self.install_dir, dir)
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59 elif self.root:
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60 dir = change_root(self.root, dir)
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61 self.mkpath(dir)
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62
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63 if f[1] == []:
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64 # If there are no files listed, the user must be
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65 # trying to create an empty directory, so add the
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66 # directory to the list of output files.
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67 self.outfiles.append(dir)
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68 else:
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69 # Copy files, adding them to the list of output files.
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70 for data in f[1]:
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71 data = convert_path(data)
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72 (out, _) = self.copy_file(data, dir)
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73 self.outfiles.append(out)
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74
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75 def get_inputs(self):
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76 return self.data_files or []
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77
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78 def get_outputs(self):
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79 return self.outfiles