cpython/Lib/packaging/command/install_data.py

80 lines
2.5 KiB
Python

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