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79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
"""Install platform-independent data files."""
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# Contributed by Bastian Kleineidam
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import os
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from shutil import Error
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from sysconfig import get_paths, format_value
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from packaging import logger
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from packaging.util import convert_path
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from packaging.command.cmd import Command
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class install_data(Command):
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description = "install platform-independent data files"
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user_options = [
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('install-dir=', 'd',
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"base directory for installing data files "
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"(default: installation base dir)"),
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('root=', None,
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"install everything relative to this alternate root directory"),
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('force', 'f', "force installation (overwrite existing files)"),
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]
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boolean_options = ['force']
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def initialize_options(self):
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self.install_dir = None
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self.outfiles = []
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self.data_files_out = []
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self.root = None
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self.force = False
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self.data_files = self.distribution.data_files
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self.warn_dir = True
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def finalize_options(self):
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self.set_undefined_options('install_dist',
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('install_data', 'install_dir'),
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'root', 'force')
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def run(self):
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self.mkpath(self.install_dir)
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for _file in self.data_files.items():
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destination = convert_path(self.expand_categories(_file[1]))
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dir_dest = os.path.abspath(os.path.dirname(destination))
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self.mkpath(dir_dest)
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try:
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out = self.copy_file(_file[0], dir_dest)[0]
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except Error as e:
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logger.warning('%s: %s', self.get_command_name(), e)
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out = destination
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self.outfiles.append(out)
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self.data_files_out.append((_file[0], destination))
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def expand_categories(self, path_with_categories):
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local_vars = get_paths()
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local_vars['distribution.name'] = self.distribution.metadata['Name']
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expanded_path = format_value(path_with_categories, local_vars)
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expanded_path = format_value(expanded_path, local_vars)
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if '{' in expanded_path and '}' in expanded_path:
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logger.warning(
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'%s: unable to expand %s, some categories may be missing',
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self.get_command_name(), path_with_categories)
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return expanded_path
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def get_source_files(self):
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return list(self.data_files)
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def get_inputs(self):
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return list(self.data_files)
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def get_outputs(self):
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return self.outfiles
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def get_resources_out(self):
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return self.data_files_out
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