cpython/Lib/packaging/command/bdist.py

142 lines
5.4 KiB
Python

"""Create a built (binary) distribution.
If a --formats option was given on the command line, this command will
call the corresponding bdist_* commands; if the option was absent, a
bdist_* command depending on the current platform will be called.
"""
import os
from packaging import util
from packaging.command.cmd import Command
from packaging.errors import PackagingPlatformError, PackagingOptionError
def show_formats():
"""Print list of available formats (arguments to "--format" option).
"""
from packaging.fancy_getopt import FancyGetopt
formats = []
for format in bdist.format_commands:
formats.append(("formats=" + format, None,
bdist.format_command[format][1]))
pretty_printer = FancyGetopt(formats)
pretty_printer.print_help("List of available distribution formats:")
class bdist(Command):
description = "create a built (binary) distribution"
user_options = [('bdist-base=', 'b',
"temporary directory for creating built distributions"),
('plat-name=', 'p',
"platform name to embed in generated filenames "
"(default: %s)" % util.get_platform()),
('formats=', None,
"formats for distribution (comma-separated list)"),
('dist-dir=', 'd',
"directory to put final built distributions in "
"[default: dist]"),
('skip-build', None,
"skip rebuilding everything (for testing/debugging)"),
('owner=', 'u',
"Owner name used when creating a tar file"
" [default: current user]"),
('group=', 'g',
"Group name used when creating a tar file"
" [default: current group]"),
]
boolean_options = ['skip-build']
help_options = [
('help-formats', None,
"lists available distribution formats", show_formats),
]
# This is of course very simplistic. The various UNIX family operating
# systems have their specific formats, but they are out of scope for us;
# bdist_dumb is, well, dumb; it's more a building block for other
# packaging tools than a real end-user binary format.
default_format = {'posix': 'gztar',
'nt': 'zip',
'os2': 'zip'}
# Establish the preferred order (for the --help-formats option).
format_commands = ['gztar', 'bztar', 'ztar', 'tar',
'wininst', 'zip', 'msi']
# And the real information.
format_command = {'gztar': ('bdist_dumb', "gzip'ed tar file"),
'bztar': ('bdist_dumb', "bzip2'ed tar file"),
'ztar': ('bdist_dumb', "compressed tar file"),
'tar': ('bdist_dumb', "tar file"),
'wininst': ('bdist_wininst',
"Windows executable installer"),
'zip': ('bdist_dumb', "ZIP file"),
'msi': ('bdist_msi', "Microsoft Installer")
}
def initialize_options(self):
self.bdist_base = None
self.plat_name = None
self.formats = None
self.dist_dir = None
self.skip_build = False
self.group = None
self.owner = None
def finalize_options(self):
# have to finalize 'plat_name' before 'bdist_base'
if self.plat_name is None:
if self.skip_build:
self.plat_name = util.get_platform()
else:
self.plat_name = self.get_finalized_command('build').plat_name
# 'bdist_base' -- parent of per-built-distribution-format
# temporary directories (eg. we'll probably have
# "build/bdist.<plat>/dumb", etc.)
if self.bdist_base is None:
build_base = self.get_finalized_command('build').build_base
self.bdist_base = os.path.join(build_base,
'bdist.' + self.plat_name)
self.ensure_string_list('formats')
if self.formats is None:
try:
self.formats = [self.default_format[os.name]]
except KeyError:
raise PackagingPlatformError("don't know how to create built distributions " + \
"on platform %s" % os.name)
if self.dist_dir is None:
self.dist_dir = "dist"
def run(self):
# Figure out which sub-commands we need to run.
commands = []
for format in self.formats:
try:
commands.append(self.format_command[format][0])
except KeyError:
raise PackagingOptionError("invalid format '%s'" % format)
# Reinitialize and run each command.
for i in range(len(self.formats)):
cmd_name = commands[i]
sub_cmd = self.get_reinitialized_command(cmd_name)
# passing the owner and group names for tar archiving
if cmd_name == 'bdist_dumb':
sub_cmd.owner = self.owner
sub_cmd.group = self.group
# If we're going to need to run this command again, tell it to
# keep its temporary files around so subsequent runs go faster.
if cmd_name in commands[i+1:]:
sub_cmd.keep_temp = True
self.run_command(cmd_name)