mirror of https://github.com/python/cpython
769 lines
32 KiB
Python
769 lines
32 KiB
Python
"""Class representing the project being built/installed/etc."""
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import os
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import re
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from packaging import logger
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from packaging.util import strtobool, resolve_name
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from packaging.config import Config
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from packaging.errors import (PackagingOptionError, PackagingArgError,
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PackagingModuleError, PackagingClassError)
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from packaging.command import get_command_class, STANDARD_COMMANDS
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from packaging.command.cmd import Command
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from packaging.metadata import Metadata
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from packaging.fancy_getopt import FancyGetopt
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# Regex to define acceptable Packaging command names. This is not *quite*
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# the same as a Python name -- leading underscores are not allowed. The fact
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# that they're very similar is no coincidence: the default naming scheme is
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# to look for a Python module named after the command.
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command_re = re.compile(r'^[a-zA-Z]([a-zA-Z0-9_]*)$')
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USAGE = """\
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usage: %(script)s [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
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or: %(script)s --help [cmd1 cmd2 ...]
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or: %(script)s --help-commands
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or: %(script)s cmd --help
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"""
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def gen_usage(script_name):
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script = os.path.basename(script_name)
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return USAGE % {'script': script}
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class Distribution:
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"""Class used to represent a project and work with it.
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Most of the work hiding behind 'pysetup run' is really done within a
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Distribution instance, which farms the work out to the commands
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specified on the command line.
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"""
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# 'global_options' describes the command-line options that may be
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# supplied to the setup script prior to any actual commands.
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# Eg. "pysetup run -n" or "pysetup run --dry-run" both take advantage of
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# these global options. This list should be kept to a bare minimum,
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# since every global option is also valid as a command option -- and we
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# don't want to pollute the commands with too many options that they
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# have minimal control over.
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global_options = [
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('dry-run', 'n', "don't actually do anything"),
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('help', 'h', "show detailed help message"),
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('no-user-cfg', None, 'ignore pydistutils.cfg in your home directory'),
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]
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# 'common_usage' is a short (2-3 line) string describing the common
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# usage of the setup script.
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common_usage = """\
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Common commands: (see '--help-commands' for more)
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pysetup run build will build the project underneath 'build/'
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pysetup run install will install the project
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"""
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# options that are not propagated to the commands
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display_options = [
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('help-commands', None,
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"list all available commands"),
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('use-2to3', None,
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"use 2to3 to make source python 3.x compatible"),
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('convert-2to3-doctests', None,
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"use 2to3 to convert doctests in seperate text files"),
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]
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display_option_names = [x[0].replace('-', '_') for x in display_options]
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# negative options are options that exclude other options
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negative_opt = {}
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# -- Creation/initialization methods -------------------------------
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def __init__(self, attrs=None):
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"""Construct a new Distribution instance: initialize all the
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attributes of a Distribution, and then use 'attrs' (a dictionary
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mapping attribute names to values) to assign some of those
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attributes their "real" values. (Any attributes not mentioned in
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'attrs' will be assigned to some null value: 0, None, an empty list
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or dictionary, etc.) Most importantly, initialize the
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'command_obj' attribute to the empty dictionary; this will be
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filled in with real command objects by 'parse_command_line()'.
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"""
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# Default values for our command-line options
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self.dry_run = False
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self.help = False
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for attr in self.display_option_names:
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setattr(self, attr, False)
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# Store the configuration
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self.config = Config(self)
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# Store the distribution metadata (name, version, author, and so
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# forth) in a separate object -- we're getting to have enough
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# information here (and enough command-line options) that it's
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# worth it.
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self.metadata = Metadata()
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# 'cmdclass' maps command names to class objects, so we
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# can 1) quickly figure out which class to instantiate when
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# we need to create a new command object, and 2) have a way
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# for the setup script to override command classes
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self.cmdclass = {}
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# 'script_name' and 'script_args' are usually set to sys.argv[0]
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# and sys.argv[1:], but they can be overridden when the caller is
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# not necessarily a setup script run from the command line.
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self.script_name = None
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self.script_args = None
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# 'command_options' is where we store command options between
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# parsing them (from config files, the command line, etc.) and when
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# they are actually needed -- ie. when the command in question is
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# instantiated. It is a dictionary of dictionaries of 2-tuples:
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# command_options = { command_name : { option : (source, value) } }
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self.command_options = {}
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# 'dist_files' is the list of (command, pyversion, file) that
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# have been created by any dist commands run so far. This is
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# filled regardless of whether the run is dry or not. pyversion
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# gives sysconfig.get_python_version() if the dist file is
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# specific to a Python version, 'any' if it is good for all
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# Python versions on the target platform, and '' for a source
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# file. pyversion should not be used to specify minimum or
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# maximum required Python versions; use the metainfo for that
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# instead.
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self.dist_files = []
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# These options are really the business of various commands, rather
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# than of the Distribution itself. We provide aliases for them in
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# Distribution as a convenience to the developer.
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self.packages = []
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self.package_data = {}
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self.package_dir = None
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self.py_modules = []
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self.libraries = []
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self.headers = []
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self.ext_modules = []
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self.ext_package = None
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self.include_dirs = []
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self.extra_path = None
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self.scripts = []
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self.data_files = {}
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self.password = ''
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self.use_2to3 = False
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self.convert_2to3_doctests = []
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self.extra_files = []
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# And now initialize bookkeeping stuff that can't be supplied by
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# the caller at all. 'command_obj' maps command names to
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# Command instances -- that's how we enforce that every command
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# class is a singleton.
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self.command_obj = {}
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# 'have_run' maps command names to boolean values; it keeps track
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# of whether we have actually run a particular command, to make it
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# cheap to "run" a command whenever we think we might need to -- if
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# it's already been done, no need for expensive filesystem
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# operations, we just check the 'have_run' dictionary and carry on.
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# It's only safe to query 'have_run' for a command class that has
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# been instantiated -- a false value will be inserted when the
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# command object is created, and replaced with a true value when
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# the command is successfully run. Thus it's probably best to use
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# '.get()' rather than a straight lookup.
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self.have_run = {}
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# Now we'll use the attrs dictionary (ultimately, keyword args from
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# the setup script) to possibly override any or all of these
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# distribution options.
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if attrs is not None:
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# Pull out the set of command options and work on them
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# specifically. Note that this order guarantees that aliased
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# command options will override any supplied redundantly
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# through the general options dictionary.
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options = attrs.get('options')
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if options is not None:
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del attrs['options']
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for command, cmd_options in options.items():
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opt_dict = self.get_option_dict(command)
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for opt, val in cmd_options.items():
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opt_dict[opt] = ("setup script", val)
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# Now work on the rest of the attributes. Any attribute that's
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# not already defined is invalid!
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for key, val in attrs.items():
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if self.metadata.is_metadata_field(key):
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self.metadata[key] = val
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elif hasattr(self, key):
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setattr(self, key, val)
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else:
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logger.warning(
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'unknown argument given to Distribution: %r', key)
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# no-user-cfg is handled before other command line args
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# because other args override the config files, and this
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# one is needed before we can load the config files.
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# If attrs['script_args'] wasn't passed, assume false.
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#
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# This also make sure we just look at the global options
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self.want_user_cfg = True
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if self.script_args is not None:
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for arg in self.script_args:
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if not arg.startswith('-'):
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break
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if arg == '--no-user-cfg':
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self.want_user_cfg = False
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break
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self.finalize_options()
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def get_option_dict(self, command):
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"""Get the option dictionary for a given command. If that
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command's option dictionary hasn't been created yet, then create it
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and return the new dictionary; otherwise, return the existing
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option dictionary.
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"""
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d = self.command_options.get(command)
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if d is None:
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d = self.command_options[command] = {}
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return d
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def get_fullname(self, filesafe=False):
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return self.metadata.get_fullname(filesafe)
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def dump_option_dicts(self, header=None, commands=None, indent=""):
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from pprint import pformat
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if commands is None: # dump all command option dicts
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commands = sorted(self.command_options)
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if header is not None:
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logger.info(indent + header)
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indent = indent + " "
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if not commands:
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logger.info(indent + "no commands known yet")
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return
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for cmd_name in commands:
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opt_dict = self.command_options.get(cmd_name)
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if opt_dict is None:
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logger.info(indent + "no option dict for %r command",
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cmd_name)
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else:
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logger.info(indent + "option dict for %r command:", cmd_name)
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out = pformat(opt_dict)
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for line in out.split('\n'):
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logger.info(indent + " " + line)
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# -- Config file finding/parsing methods ---------------------------
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# XXX to be removed
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def parse_config_files(self, filenames=None):
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return self.config.parse_config_files(filenames)
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def find_config_files(self):
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return self.config.find_config_files()
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# -- Command-line parsing methods ----------------------------------
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def parse_command_line(self):
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"""Parse the setup script's command line, taken from the
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'script_args' instance attribute (which defaults to 'sys.argv[1:]'
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-- see 'setup()' in run.py). This list is first processed for
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"global options" -- options that set attributes of the Distribution
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instance. Then, it is alternately scanned for Packaging commands
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and options for that command. Each new command terminates the
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options for the previous command. The allowed options for a
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command are determined by the 'user_options' attribute of the
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command class -- thus, we have to be able to load command classes
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in order to parse the command line. Any error in that 'options'
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attribute raises PackagingGetoptError; any error on the
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command line raises PackagingArgError. If no Packaging commands
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were found on the command line, raises PackagingArgError. Return
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true if command line was successfully parsed and we should carry
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on with executing commands; false if no errors but we shouldn't
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execute commands (currently, this only happens if user asks for
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help).
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"""
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#
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# We now have enough information to show the Macintosh dialog
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# that allows the user to interactively specify the "command line".
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#
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toplevel_options = self._get_toplevel_options()
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# We have to parse the command line a bit at a time -- global
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# options, then the first command, then its options, and so on --
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# because each command will be handled by a different class, and
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# the options that are valid for a particular class aren't known
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# until we have loaded the command class, which doesn't happen
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# until we know what the command is.
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self.commands = []
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parser = FancyGetopt(toplevel_options + self.display_options)
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parser.set_negative_aliases(self.negative_opt)
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args = parser.getopt(args=self.script_args, object=self)
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option_order = parser.get_option_order()
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# for display options we return immediately
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if self.handle_display_options(option_order):
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return
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while args:
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args = self._parse_command_opts(parser, args)
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if args is None: # user asked for help (and got it)
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return
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# Handle the cases of --help as a "global" option, ie.
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# "pysetup run --help" and "pysetup run --help command ...". For the
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# former, we show global options (--dry-run, etc.)
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# and display-only options (--name, --version, etc.); for the
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# latter, we omit the display-only options and show help for
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# each command listed on the command line.
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if self.help:
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self._show_help(parser,
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display_options=len(self.commands) == 0,
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commands=self.commands)
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return
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return True
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def _get_toplevel_options(self):
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"""Return the non-display options recognized at the top level.
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This includes options that are recognized *only* at the top
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level as well as options recognized for commands.
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"""
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return self.global_options
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def _parse_command_opts(self, parser, args):
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"""Parse the command-line options for a single command.
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'parser' must be a FancyGetopt instance; 'args' must be the list
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of arguments, starting with the current command (whose options
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we are about to parse). Returns a new version of 'args' with
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the next command at the front of the list; will be the empty
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list if there are no more commands on the command line. Returns
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None if the user asked for help on this command.
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"""
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# Pull the current command from the head of the command line
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command = args[0]
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if not command_re.match(command):
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raise SystemExit("invalid command name %r" % command)
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self.commands.append(command)
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# Dig up the command class that implements this command, so we
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# 1) know that it's a valid command, and 2) know which options
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# it takes.
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try:
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cmd_class = get_command_class(command)
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except PackagingModuleError as msg:
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raise PackagingArgError(msg)
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# XXX We want to push this in packaging.command
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#
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# Require that the command class be derived from Command -- want
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# to be sure that the basic "command" interface is implemented.
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for meth in ('initialize_options', 'finalize_options', 'run'):
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if hasattr(cmd_class, meth):
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continue
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raise PackagingClassError(
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'command %r must implement %r' % (cmd_class, meth))
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# Also make sure that the command object provides a list of its
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# known options.
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if not (hasattr(cmd_class, 'user_options') and
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isinstance(cmd_class.user_options, list)):
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raise PackagingClassError(
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"command class %s must provide "
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"'user_options' attribute (a list of tuples)" % cmd_class)
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# If the command class has a list of negative alias options,
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# merge it in with the global negative aliases.
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negative_opt = self.negative_opt
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if hasattr(cmd_class, 'negative_opt'):
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negative_opt = negative_opt.copy()
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negative_opt.update(cmd_class.negative_opt)
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# Check for help_options in command class. They have a different
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# format (tuple of four) so we need to preprocess them here.
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if (hasattr(cmd_class, 'help_options') and
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isinstance(cmd_class.help_options, list)):
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help_options = cmd_class.help_options[:]
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else:
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help_options = []
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# All commands support the global options too, just by adding
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# in 'global_options'.
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parser.set_option_table(self.global_options +
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cmd_class.user_options +
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help_options)
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parser.set_negative_aliases(negative_opt)
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args, opts = parser.getopt(args[1:])
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if hasattr(opts, 'help') and opts.help:
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self._show_help(parser, display_options=False,
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commands=[cmd_class])
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return
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if (hasattr(cmd_class, 'help_options') and
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isinstance(cmd_class.help_options, list)):
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help_option_found = False
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for help_option, short, desc, func in cmd_class.help_options:
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if hasattr(opts, help_option.replace('-', '_')):
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help_option_found = True
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if callable(func):
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func()
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else:
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raise PackagingClassError(
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"invalid help function %r for help option %r: "
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"must be a callable object (function, etc.)"
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% (func, help_option))
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if help_option_found:
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return
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# Put the options from the command line into their official
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# holding pen, the 'command_options' dictionary.
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opt_dict = self.get_option_dict(command)
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for name, value in vars(opts).items():
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opt_dict[name] = ("command line", value)
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return args
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def finalize_options(self):
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"""Set final values for all the options on the Distribution
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instance, analogous to the .finalize_options() method of Command
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objects.
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"""
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if getattr(self, 'convert_2to3_doctests', None):
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self.convert_2to3_doctests = [os.path.join(p)
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for p in self.convert_2to3_doctests]
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else:
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self.convert_2to3_doctests = []
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def _show_help(self, parser, global_options=True, display_options=True,
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commands=[]):
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"""Show help for the setup script command line in the form of
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several lists of command-line options. 'parser' should be a
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FancyGetopt instance; do not expect it to be returned in the
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same state, as its option table will be reset to make it
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generate the correct help text.
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If 'global_options' is true, lists the global options:
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--dry-run, etc. If 'display_options' is true, lists
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the "display-only" options: --help-commands. Finally,
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lists per-command help for every command name or command class
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in 'commands'.
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"""
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if global_options:
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if display_options:
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options = self._get_toplevel_options()
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else:
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options = self.global_options
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parser.set_option_table(options)
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parser.print_help(self.common_usage + "\nGlobal options:")
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print()
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if display_options:
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parser.set_option_table(self.display_options)
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parser.print_help(
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"Information display options (just display " +
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"information, ignore any commands)")
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print()
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for command in self.commands:
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if isinstance(command, type) and issubclass(command, Command):
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cls = command
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else:
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cls = get_command_class(command)
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if (hasattr(cls, 'help_options') and
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isinstance(cls.help_options, list)):
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parser.set_option_table(cls.user_options + cls.help_options)
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else:
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parser.set_option_table(cls.user_options)
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parser.print_help("Options for %r command:" % cls.__name__)
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print()
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print(gen_usage(self.script_name))
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def handle_display_options(self, option_order):
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"""If there were any non-global "display-only" options
|
|
(--help-commands) on the command line, display the requested info and
|
|
return true; else return false.
|
|
"""
|
|
# User just wants a list of commands -- we'll print it out and stop
|
|
# processing now (ie. if they ran "setup --help-commands foo bar",
|
|
# we ignore "foo bar").
|
|
if self.help_commands:
|
|
self.print_commands()
|
|
print()
|
|
print(gen_usage(self.script_name))
|
|
return True
|
|
|
|
# If user supplied any of the "display metadata" options, then
|
|
# display that metadata in the order in which the user supplied the
|
|
# metadata options.
|
|
any_display_options = False
|
|
is_display_option = set()
|
|
for option in self.display_options:
|
|
is_display_option.add(option[0])
|
|
|
|
for opt, val in option_order:
|
|
if val and opt in is_display_option:
|
|
opt = opt.replace('-', '_')
|
|
value = self.metadata[opt]
|
|
if opt in ('keywords', 'platform'):
|
|
print(','.join(value))
|
|
elif opt in ('classifier', 'provides', 'requires',
|
|
'obsoletes'):
|
|
print('\n'.join(value))
|
|
else:
|
|
print(value)
|
|
any_display_options = True
|
|
|
|
return any_display_options
|
|
|
|
def print_command_list(self, commands, header, max_length):
|
|
"""Print a subset of the list of all commands -- used by
|
|
'print_commands()'.
|
|
"""
|
|
print(header + ":")
|
|
|
|
for cmd in commands:
|
|
cls = self.cmdclass.get(cmd) or get_command_class(cmd)
|
|
description = getattr(cls, 'description',
|
|
'(no description available)')
|
|
|
|
print(" %-*s %s" % (max_length, cmd, description))
|
|
|
|
def _get_command_groups(self):
|
|
"""Helper function to retrieve all the command class names divided
|
|
into standard commands (listed in
|
|
packaging.command.STANDARD_COMMANDS) and extra commands (given in
|
|
self.cmdclass and not standard commands).
|
|
"""
|
|
extra_commands = [cmd for cmd in self.cmdclass
|
|
if cmd not in STANDARD_COMMANDS]
|
|
return STANDARD_COMMANDS, extra_commands
|
|
|
|
def print_commands(self):
|
|
"""Print out a help message listing all available commands with a
|
|
description of each. The list is divided into standard commands
|
|
(listed in packaging.command.STANDARD_COMMANDS) and extra commands
|
|
(given in self.cmdclass and not standard commands). The
|
|
descriptions come from the command class attribute
|
|
'description'.
|
|
"""
|
|
std_commands, extra_commands = self._get_command_groups()
|
|
max_length = 0
|
|
for cmd in (std_commands + extra_commands):
|
|
if len(cmd) > max_length:
|
|
max_length = len(cmd)
|
|
|
|
self.print_command_list(std_commands,
|
|
"Standard commands",
|
|
max_length)
|
|
if extra_commands:
|
|
print()
|
|
self.print_command_list(extra_commands,
|
|
"Extra commands",
|
|
max_length)
|
|
|
|
# -- Command class/object methods ----------------------------------
|
|
|
|
def get_command_obj(self, command, create=True):
|
|
"""Return the command object for 'command'. Normally this object
|
|
is cached on a previous call to 'get_command_obj()'; if no command
|
|
object for 'command' is in the cache, then we either create and
|
|
return it (if 'create' is true) or return None.
|
|
"""
|
|
cmd_obj = self.command_obj.get(command)
|
|
if not cmd_obj and create:
|
|
logger.debug("Distribution.get_command_obj(): "
|
|
"creating %r command object", command)
|
|
|
|
cls = get_command_class(command)
|
|
cmd_obj = self.command_obj[command] = cls(self)
|
|
self.have_run[command] = 0
|
|
|
|
# Set any options that were supplied in config files or on the
|
|
# command line. (XXX support for error reporting is suboptimal
|
|
# here: errors aren't reported until finalize_options is called,
|
|
# which means we won't report the source of the error.)
|
|
options = self.command_options.get(command)
|
|
if options:
|
|
self._set_command_options(cmd_obj, options)
|
|
|
|
return cmd_obj
|
|
|
|
def _set_command_options(self, command_obj, option_dict=None):
|
|
"""Set the options for 'command_obj' from 'option_dict'. Basically
|
|
this means copying elements of a dictionary ('option_dict') to
|
|
attributes of an instance ('command').
|
|
|
|
'command_obj' must be a Command instance. If 'option_dict' is not
|
|
supplied, uses the standard option dictionary for this command
|
|
(from 'self.command_options').
|
|
"""
|
|
command_name = command_obj.get_command_name()
|
|
if option_dict is None:
|
|
option_dict = self.get_option_dict(command_name)
|
|
|
|
logger.debug(" setting options for %r command:", command_name)
|
|
|
|
for option, (source, value) in option_dict.items():
|
|
logger.debug(" %s = %s (from %s)", option, value, source)
|
|
try:
|
|
bool_opts = [x.replace('-', '_')
|
|
for x in command_obj.boolean_options]
|
|
except AttributeError:
|
|
bool_opts = []
|
|
try:
|
|
neg_opt = command_obj.negative_opt
|
|
except AttributeError:
|
|
neg_opt = {}
|
|
|
|
try:
|
|
is_string = isinstance(value, str)
|
|
if option in neg_opt and is_string:
|
|
setattr(command_obj, neg_opt[option], not strtobool(value))
|
|
elif option in bool_opts and is_string:
|
|
setattr(command_obj, option, strtobool(value))
|
|
elif hasattr(command_obj, option):
|
|
setattr(command_obj, option, value)
|
|
else:
|
|
raise PackagingOptionError(
|
|
"error in %s: command %r has no such option %r" %
|
|
(source, command_name, option))
|
|
except ValueError as msg:
|
|
raise PackagingOptionError(msg)
|
|
|
|
def get_reinitialized_command(self, command, reinit_subcommands=False):
|
|
"""Reinitializes a command to the state it was in when first
|
|
returned by 'get_command_obj()': ie., initialized but not yet
|
|
finalized. This provides the opportunity to sneak option
|
|
values in programmatically, overriding or supplementing
|
|
user-supplied values from the config files and command line.
|
|
You'll have to re-finalize the command object (by calling
|
|
'finalize_options()' or 'ensure_finalized()') before using it for
|
|
real.
|
|
|
|
'command' should be a command name (string) or command object. If
|
|
'reinit_subcommands' is true, also reinitializes the command's
|
|
sub-commands, as declared by the 'sub_commands' class attribute (if
|
|
it has one). See the "install_dist" command for an example. Only
|
|
reinitializes the sub-commands that actually matter, ie. those
|
|
whose test predicates return true.
|
|
|
|
Returns the reinitialized command object.
|
|
"""
|
|
if not isinstance(command, Command):
|
|
command_name = command
|
|
command = self.get_command_obj(command_name)
|
|
else:
|
|
command_name = command.get_command_name()
|
|
|
|
if not command.finalized:
|
|
return command
|
|
|
|
command.initialize_options()
|
|
self.have_run[command_name] = 0
|
|
command.finalized = False
|
|
self._set_command_options(command)
|
|
|
|
if reinit_subcommands:
|
|
for sub in command.get_sub_commands():
|
|
self.get_reinitialized_command(sub, reinit_subcommands)
|
|
|
|
return command
|
|
|
|
# -- Methods that operate on the Distribution ----------------------
|
|
|
|
def run_commands(self):
|
|
"""Run each command that was seen on the setup script command line.
|
|
Uses the list of commands found and cache of command objects
|
|
created by 'get_command_obj()'.
|
|
"""
|
|
for cmd in self.commands:
|
|
self.run_command(cmd)
|
|
|
|
# -- Methods that operate on its Commands --------------------------
|
|
|
|
def run_command(self, command, options=None):
|
|
"""Do whatever it takes to run a command (including nothing at all,
|
|
if the command has already been run). Specifically: if we have
|
|
already created and run the command named by 'command', return
|
|
silently without doing anything. If the command named by 'command'
|
|
doesn't even have a command object yet, create one. Then invoke
|
|
'run()' on that command object (or an existing one).
|
|
"""
|
|
# Already been here, done that? then return silently.
|
|
if self.have_run.get(command):
|
|
return
|
|
|
|
if options is not None:
|
|
self.command_options[command] = options
|
|
|
|
cmd_obj = self.get_command_obj(command)
|
|
cmd_obj.ensure_finalized()
|
|
self.run_command_hooks(cmd_obj, 'pre_hook')
|
|
logger.info("running %s", command)
|
|
cmd_obj.run()
|
|
self.run_command_hooks(cmd_obj, 'post_hook')
|
|
self.have_run[command] = 1
|
|
|
|
def run_command_hooks(self, cmd_obj, hook_kind):
|
|
"""Run hooks registered for that command and phase.
|
|
|
|
*cmd_obj* is a finalized command object; *hook_kind* is either
|
|
'pre_hook' or 'post_hook'.
|
|
"""
|
|
if hook_kind not in ('pre_hook', 'post_hook'):
|
|
raise ValueError('invalid hook kind: %r' % hook_kind)
|
|
|
|
hooks = getattr(cmd_obj, hook_kind, None)
|
|
|
|
if hooks is None:
|
|
return
|
|
|
|
for hook in hooks.values():
|
|
if isinstance(hook, str):
|
|
try:
|
|
hook_obj = resolve_name(hook)
|
|
except ImportError as e:
|
|
raise PackagingModuleError(e)
|
|
else:
|
|
hook_obj = hook
|
|
|
|
if not callable(hook_obj):
|
|
raise PackagingOptionError('hook %r is not callable' % hook)
|
|
|
|
logger.info('running %s %s for command %s',
|
|
hook_kind, hook, cmd_obj.get_command_name())
|
|
hook_obj(cmd_obj)
|
|
|
|
# -- Distribution query methods ------------------------------------
|
|
def has_pure_modules(self):
|
|
return len(self.packages or self.py_modules or []) > 0
|
|
|
|
def has_ext_modules(self):
|
|
return self.ext_modules and len(self.ext_modules) > 0
|
|
|
|
def has_c_libraries(self):
|
|
return self.libraries and len(self.libraries) > 0
|
|
|
|
def has_modules(self):
|
|
return self.has_pure_modules() or self.has_ext_modules()
|
|
|
|
def has_headers(self):
|
|
return self.headers and len(self.headers) > 0
|
|
|
|
def has_scripts(self):
|
|
return self.scripts and len(self.scripts) > 0
|
|
|
|
def has_data_files(self):
|
|
return self.data_files and len(self.data_files) > 0
|
|
|
|
def is_pure(self):
|
|
return (self.has_pure_modules() and
|
|
not self.has_ext_modules() and
|
|
not self.has_c_libraries())
|