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Diffstat (limited to 'Lib/distutils/dist.py')
| -rw-r--r-- | Lib/distutils/dist.py | 1256 |
1 files changed, 0 insertions, 1256 deletions
diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py deleted file mode 100644 index 6cf0a0d..0000000 --- a/Lib/distutils/dist.py +++ /dev/null @@ -1,1256 +0,0 @@ -"""distutils.dist - -Provides the Distribution class, which represents the module distribution -being built/installed/distributed. -""" - -import sys -import os -import re -from email import message_from_file - -try: - import warnings -except ImportError: - warnings = None - -from distutils.errors import * -from distutils.fancy_getopt import FancyGetopt, translate_longopt -from distutils.util import check_environ, strtobool, rfc822_escape -from distutils import log -from distutils.debug import DEBUG - -# Regex to define acceptable Distutils command names. This is not *quite* -# the same as a Python NAME -- I don't allow leading underscores. The fact -# that they're very similar is no coincidence; the default naming scheme is -# to look for a Python module named after the command. -command_re = re.compile(r'^[a-zA-Z]([a-zA-Z0-9_]*)$') - - -def _ensure_list(value, fieldname): - if isinstance(value, str): - # a string containing comma separated values is okay. It will - # be converted to a list by Distribution.finalize_options(). - pass - elif not isinstance(value, list): - # passing a tuple or an iterator perhaps, warn and convert - typename = type(value).__name__ - msg = f"Warning: '{fieldname}' should be a list, got type '{typename}'" - log.log(log.WARN, msg) - value = list(value) - return value - - -class Distribution: - """The core of the Distutils. Most of the work hiding behind 'setup' - is really done within a Distribution instance, which farms the work out - to the Distutils commands specified on the command line. - - Setup scripts will almost never instantiate Distribution directly, - unless the 'setup()' function is totally inadequate to their needs. - However, it is conceivable that a setup script might wish to subclass - Distribution for some specialized purpose, and then pass the subclass - to 'setup()' as the 'distclass' keyword argument. If so, it is - necessary to respect the expectations that 'setup' has of Distribution. - See the code for 'setup()', in core.py, for details. - """ - - # 'global_options' describes the command-line options that may be - # supplied to the setup script prior to any actual commands. - # Eg. "./setup.py -n" or "./setup.py --quiet" both take advantage of - # these global options. This list should be kept to a bare minimum, - # since every global option is also valid as a command option -- and we - # don't want to pollute the commands with too many options that they - # have minimal control over. - # The fourth entry for verbose means that it can be repeated. - global_options = [ - ('verbose', 'v', "run verbosely (default)", 1), - ('quiet', 'q', "run quietly (turns verbosity off)"), - ('dry-run', 'n', "don't actually do anything"), - ('help', 'h', "show detailed help message"), - ('no-user-cfg', None, - 'ignore pydistutils.cfg in your home directory'), - ] - - # 'common_usage' is a short (2-3 line) string describing the common - # usage of the setup script. - common_usage = """\ -Common commands: (see '--help-commands' for more) - - setup.py build will build the package underneath 'build/' - setup.py install will install the package -""" - - # options that are not propagated to the commands - display_options = [ - ('help-commands', None, - "list all available commands"), - ('name', None, - "print package name"), - ('version', 'V', - "print package version"), - ('fullname', None, - "print <package name>-<version>"), - ('author', None, - "print the author's name"), - ('author-email', None, - "print the author's email address"), - ('maintainer', None, - "print the maintainer's name"), - ('maintainer-email', None, - "print the maintainer's email address"), - ('contact', None, - "print the maintainer's name if known, else the author's"), - ('contact-email', None, - "print the maintainer's email address if known, else the author's"), - ('url', None, - "print the URL for this package"), - ('license', None, - "print the license of the package"), - ('licence', None, - "alias for --license"), - ('description', None, - "print the package description"), - ('long-description', None, - "print the long package description"), - ('platforms', None, - "print the list of platforms"), - ('classifiers', None, - "print the list of classifiers"), - ('keywords', None, - "print the list of keywords"), - ('provides', None, - "print the list of packages/modules provided"), - ('requires', None, - "print the list of packages/modules required"), - ('obsoletes', None, - "print the list of packages/modules made obsolete") - ] - display_option_names = [translate_longopt(x[0]) for x in display_options] - - # negative options are options that exclude other options - negative_opt = {'quiet': 'verbose'} - - # -- Creation/initialization methods ------------------------------- - - def __init__(self, attrs=None): - """Construct a new Distribution instance: initialize all the - attributes of a Distribution, and then use 'attrs' (a dictionary - mapping attribute names to values) to assign some of those - attributes their "real" values. (Any attributes not mentioned in - 'attrs' will be assigned to some null value: 0, None, an empty list - or dictionary, etc.) Most importantly, initialize the - 'command_obj' attribute to the empty dictionary; this will be - filled in with real command objects by 'parse_command_line()'. - """ - - # Default values for our command-line options - self.verbose = 1 - self.dry_run = 0 - self.help = 0 - for attr in self.display_option_names: - setattr(self, attr, 0) - - # Store the distribution meta-data (name, version, author, and so - # forth) in a separate object -- we're getting to have enough - # information here (and enough command-line options) that it's - # worth it. Also delegate 'get_XXX()' methods to the 'metadata' - # object in a sneaky and underhanded (but efficient!) way. - self.metadata = DistributionMetadata() - for basename in self.metadata._METHOD_BASENAMES: - method_name = "get_" + basename - setattr(self, method_name, getattr(self.metadata, method_name)) - - # 'cmdclass' maps command names to class objects, so we - # can 1) quickly figure out which class to instantiate when - # we need to create a new command object, and 2) have a way - # for the setup script to override command classes - self.cmdclass = {} - - # 'command_packages' is a list of packages in which commands - # are searched for. The factory for command 'foo' is expected - # to be named 'foo' in the module 'foo' in one of the packages - # named here. This list is searched from the left; an error - # is raised if no named package provides the command being - # searched for. (Always access using get_command_packages().) - self.command_packages = None - - # 'script_name' and 'script_args' are usually set to sys.argv[0] - # and sys.argv[1:], but they can be overridden when the caller is - # not necessarily a setup script run from the command-line. - self.script_name = None - self.script_args = None - - # 'command_options' is where we store command options between - # parsing them (from config files, the command-line, etc.) and when - # they are actually needed -- ie. when the command in question is - # instantiated. It is a dictionary of dictionaries of 2-tuples: - # command_options = { command_name : { option : (source, value) } } - self.command_options = {} - - # 'dist_files' is the list of (command, pyversion, file) that - # have been created by any dist commands run so far. This is - # filled regardless of whether the run is dry or not. pyversion - # gives sysconfig.get_python_version() if the dist file is - # specific to a Python version, 'any' if it is good for all - # Python versions on the target platform, and '' for a source - # file. pyversion should not be used to specify minimum or - # maximum required Python versions; use the metainfo for that - # instead. - self.dist_files = [] - - # These options are really the business of various commands, rather - # than of the Distribution itself. We provide aliases for them in - # Distribution as a convenience to the developer. - self.packages = None - self.package_data = {} - self.package_dir = None - self.py_modules = None - self.libraries = None - self.headers = None - self.ext_modules = None - self.ext_package = None - self.include_dirs = None - self.extra_path = None - self.scripts = None - self.data_files = None - self.password = '' - - # And now initialize bookkeeping stuff that can't be supplied by - # the caller at all. 'command_obj' maps command names to - # Command instances -- that's how we enforce that every command - # class is a singleton. - self.command_obj = {} - - # 'have_run' maps command names to boolean values; it keeps track - # of whether we have actually run a particular command, to make it - # cheap to "run" a command whenever we think we might need to -- if - # it's already been done, no need for expensive filesystem - # operations, we just check the 'have_run' dictionary and carry on. - # It's only safe to query 'have_run' for a command class that has - # been instantiated -- a false value will be inserted when the - # command object is created, and replaced with a true value when - # the command is successfully run. Thus it's probably best to use - # '.get()' rather than a straight lookup. - self.have_run = {} - - # Now we'll use the attrs dictionary (ultimately, keyword args from - # the setup script) to possibly override any or all of these - # distribution options. - - if attrs: - # Pull out the set of command options and work on them - # specifically. Note that this order guarantees that aliased - # command options will override any supplied redundantly - # through the general options dictionary. - options = attrs.get('options') - if options is not None: - del attrs['options'] - for (command, cmd_options) in options.items(): - opt_dict = self.get_option_dict(command) - for (opt, val) in cmd_options.items(): - opt_dict[opt] = ("setup script", val) - - if 'licence' in attrs: - attrs['license'] = attrs['licence'] - del attrs['licence'] - msg = "'licence' distribution option is deprecated; use 'license'" - if warnings is not None: - warnings.warn(msg) - else: - sys.stderr.write(msg + "\n") - - # Now work on the rest of the attributes. Any attribute that's - # not already defined is invalid! - for (key, val) in attrs.items(): - if hasattr(self.metadata, "set_" + key): - getattr(self.metadata, "set_" + key)(val) - elif hasattr(self.metadata, key): - setattr(self.metadata, key, val) - elif hasattr(self, key): - setattr(self, key, val) - else: - msg = "Unknown distribution option: %s" % repr(key) - warnings.warn(msg) - - # no-user-cfg is handled before other command line args - # because other args override the config files, and this - # one is needed before we can load the config files. - # If attrs['script_args'] wasn't passed, assume false. - # - # This also make sure we just look at the global options - self.want_user_cfg = True - - if self.script_args is not None: - for arg in self.script_args: - if not arg.startswith('-'): - break - if arg == '--no-user-cfg': - self.want_user_cfg = False - break - - self.finalize_options() - - def get_option_dict(self, command): - """Get the option dictionary for a given command. If that - command's option dictionary hasn't been created yet, then create it - and return the new dictionary; otherwise, return the existing - option dictionary. - """ - dict = self.command_options.get(command) - if dict is None: - dict = self.command_options[command] = {} - return dict - - def dump_option_dicts(self, header=None, commands=None, indent=""): - from pprint import pformat - - if commands is None: # dump all command option dicts - commands = sorted(self.command_options.keys()) - - if header is not None: - self.announce(indent + header) - indent = indent + " " - - if not commands: - self.announce(indent + "no commands known yet") - return - - for cmd_name in commands: - opt_dict = self.command_options.get(cmd_name) - if opt_dict is None: - self.announce(indent + - "no option dict for '%s' command" % cmd_name) - else: - self.announce(indent + - "option dict for '%s' command:" % cmd_name) - out = pformat(opt_dict) - for line in out.split('\n'): - self.announce(indent + " " + line) - - # -- Config file finding/parsing methods --------------------------- - - def find_config_files(self): - """Find as many configuration files as should be processed for this - platform, and return a list of filenames in the order in which they - should be parsed. The filenames returned are guaranteed to exist - (modulo nasty race conditions). - - There are three possible config files: distutils.cfg in the - Distutils installation directory (ie. where the top-level - Distutils __inst__.py file lives), a file in the user's home - directory named .pydistutils.cfg on Unix and pydistutils.cfg - on Windows/Mac; and setup.cfg in the current directory. - - The file in the user's home directory can be disabled with the - --no-user-cfg option. - """ - files = [] - check_environ() - - # Where to look for the system-wide Distutils config file - sys_dir = os.path.dirname(sys.modules['distutils'].__file__) - - # Look for the system config file - sys_file = os.path.join(sys_dir, "distutils.cfg") - if os.path.isfile(sys_file): - files.append(sys_file) - - # What to call the per-user config file - if os.name == 'posix': - user_filename = ".pydistutils.cfg" - else: - user_filename = "pydistutils.cfg" - - # And look for the user config file - if self.want_user_cfg: - user_file = os.path.join(os.path.expanduser('~'), user_filename) - if os.path.isfile(user_file): - files.append(user_file) - - # All platforms support local setup.cfg - local_file = "setup.cfg" - if os.path.isfile(local_file): - files.append(local_file) - - if DEBUG: - self.announce("using config files: %s" % ', '.join(files)) - - return files - - def parse_config_files(self, filenames=None): - from configparser import ConfigParser - - # Ignore install directory options if we have a venv - if sys.prefix != sys.base_prefix: - ignore_options = [ - 'install-base', 'install-platbase', 'install-lib', - 'install-platlib', 'install-purelib', 'install-headers', - 'install-scripts', 'install-data', 'prefix', 'exec-prefix', - 'home', 'user', 'root'] - else: - ignore_options = [] - - ignore_options = frozenset(ignore_options) - - if filenames is None: - filenames = self.find_config_files() - - if DEBUG: - self.announce("Distribution.parse_config_files():") - - parser = ConfigParser() - for filename in filenames: - if DEBUG: - self.announce(" reading %s" % filename) - parser.read(filename) - for section in parser.sections(): - options = parser.options(section) - opt_dict = self.get_option_dict(section) - - for opt in options: - if opt != '__name__' and opt not in ignore_options: - val = parser.get(section,opt) - opt = opt.replace('-', '_') - opt_dict[opt] = (filename, val) - - # Make the ConfigParser forget everything (so we retain - # the original filenames that options come from) - parser.__init__() - - # If there was a "global" section in the config file, use it - # to set Distribution options. - - if 'global' in self.command_options: - for (opt, (src, val)) in self.command_options['global'].items(): - alias = self.negative_opt.get(opt) - try: - if alias: - setattr(self, alias, not strtobool(val)) - elif opt in ('verbose', 'dry_run'): # ugh! - setattr(self, opt, strtobool(val)) - else: - setattr(self, opt, val) - except ValueError as msg: - raise DistutilsOptionError(msg) - - # -- Command-line parsing methods ---------------------------------- - - def parse_command_line(self): - """Parse the setup script's command line, taken from the - 'script_args' instance attribute (which defaults to 'sys.argv[1:]' - -- see 'setup()' in core.py). This list is first processed for - "global options" -- options that set attributes of the Distribution - instance. Then, it is alternately scanned for Distutils commands - and options for that command. Each new command terminates the - options for the previous command. The allowed options for a - command are determined by the 'user_options' attribute of the - command class -- thus, we have to be able to load command classes - in order to parse the command line. Any error in that 'options' - attribute raises DistutilsGetoptError; any error on the - command-line raises DistutilsArgError. If no Distutils commands - were found on the command line, raises DistutilsArgError. Return - true if command-line was successfully parsed and we should carry - on with executing commands; false if no errors but we shouldn't - execute commands (currently, this only happens if user asks for - help). - """ - # - # We now have enough information to show the Macintosh dialog - # that allows the user to interactively specify the "command line". - # - toplevel_options = self._get_toplevel_options() - - # We have to parse the command line a bit at a time -- global - # options, then the first command, then its options, and so on -- - # because each command will be handled by a different class, and - # the options that are valid for a particular class aren't known - # until we have loaded the command class, which doesn't happen - # until we know what the command is. - - self.commands = [] - parser = FancyGetopt(toplevel_options + self.display_options) - parser.set_negative_aliases(self.negative_opt) - parser.set_aliases({'licence': 'license'}) - args = parser.getopt(args=self.script_args, object=self) - option_order = parser.get_option_order() - log.set_verbosity(self.verbose) - - # for display options we return immediately - if self.handle_display_options(option_order): - return - while args: - args = self._parse_command_opts(parser, args) - if args is None: # user asked for help (and got it) - return - - # Handle the cases of --help as a "global" option, ie. - # "setup.py --help" and "setup.py --help command ...". For the - # former, we show global options (--verbose, --dry-run, etc.) - # and display-only options (--name, --version, etc.); for the - # latter, we omit the display-only options and show help for - # each command listed on the command line. - if self.help: - self._show_help(parser, - display_options=len(self.commands) == 0, - commands=self.commands) - return - - # Oops, no commands found -- an end-user error - if not self.commands: - raise DistutilsArgError("no commands supplied") - - # All is well: return true - return True - - def _get_toplevel_options(self): - """Return the non-display options recognized at the top level. - - This includes options that are recognized *only* at the top - level as well as options recognized for commands. - """ - return self.global_options + [ - ("command-packages=", None, - "list of packages that provide distutils commands"), - ] - - def _parse_command_opts(self, parser, args): - """Parse the command-line options for a single command. - 'parser' must be a FancyGetopt instance; 'args' must be the list - of arguments, starting with the current command (whose options - we are about to parse). Returns a new version of 'args' with - the next command at the front of the list; will be the empty - list if there are no more commands on the command line. Returns - None if the user asked for help on this command. - """ - # late import because of mutual dependence between these modules - from distutils.cmd import Command - - # Pull the current command from the head of the command line - command = args[0] - if not command_re.match(command): - raise SystemExit("invalid command name '%s'" % command) - self.commands.append(command) - - # Dig up the command class that implements this command, so we - # 1) know that it's a valid command, and 2) know which options - # it takes. - try: - cmd_class = self.get_command_class(command) - except DistutilsModuleError as msg: - raise DistutilsArgError(msg) - - # Require that the command class be derived from Command -- want - # to be sure that the basic "command" interface is implemented. - if not issubclass(cmd_class, Command): - raise DistutilsClassError( - "command class %s must subclass Command" % cmd_class) - - # Also make sure that the command object provides a list of its - # known options. - if not (hasattr(cmd_class, 'user_options') and - isinstance(cmd_class.user_options, list)): - msg = ("command class %s must provide " - "'user_options' attribute (a list of tuples)") - raise DistutilsClassError(msg % cmd_class) - - # If the command class has a list of negative alias options, - # merge it in with the global negative aliases. - negative_opt = self.negative_opt - if hasattr(cmd_class, 'negative_opt'): - negative_opt = negative_opt.copy() - negative_opt.update(cmd_class.negative_opt) - - # Check for help_options in command class. They have a different - # format (tuple of four) so we need to preprocess them here. - if (hasattr(cmd_class, 'help_options') and - isinstance(cmd_class.help_options, list)): - help_options = fix_help_options(cmd_class.help_options) - else: - help_options = [] - - # All commands support the global options too, just by adding - # in 'global_options'. - parser.set_option_table(self.global_options + - cmd_class.user_options + - help_options) - parser.set_negative_aliases(negative_opt) - (args, opts) = parser.getopt(args[1:]) - if hasattr(opts, 'help') and opts.help: - self._show_help(parser, display_options=0, commands=[cmd_class]) - return - - if (hasattr(cmd_class, 'help_options') and - isinstance(cmd_class.help_options, list)): - help_option_found=0 - for (help_option, short, desc, func) in cmd_class.help_options: - if hasattr(opts, parser.get_attr_name(help_option)): - help_option_found=1 - if callable(func): - func() - else: - raise DistutilsClassError( - "invalid help function %r for help option '%s': " - "must be a callable object (function, etc.)" - % (func, help_option)) - - if help_option_found: - return - - # Put the options from the command-line into their official - # holding pen, the 'command_options' dictionary. - opt_dict = self.get_option_dict(command) - for (name, value) in vars(opts).items(): - opt_dict[name] = ("command line", value) - - return args - - def finalize_options(self): - """Set final values for all the options on the Distribution - instance, analogous to the .finalize_options() method of Command - objects. - """ - for attr in ('keywords', 'platforms'): - value = getattr(self.metadata, attr) - if value is None: - continue - if isinstance(value, str): - value = [elm.strip() for elm in value.split(',')] - setattr(self.metadata, attr, value) - - def _show_help(self, parser, global_options=1, display_options=1, - commands=[]): - """Show help for the setup script command-line in the form of - several lists of command-line options. 'parser' should be a - FancyGetopt instance; do not expect it to be returned in the - same state, as its option table will be reset to make it - generate the correct help text. - - If 'global_options' is true, lists the global options: - --verbose, --dry-run, etc. If 'display_options' is true, lists - the "display-only" options: --name, --version, etc. Finally, - lists per-command help for every command name or command class - in 'commands'. - """ - # late import because of mutual dependence between these modules - from distutils.core import gen_usage - from distutils.cmd import Command - - if global_options: - if display_options: - options = self._get_toplevel_options() - else: - options = self.global_options - parser.set_option_table(options) - parser.print_help(self.common_usage + "\nGlobal options:") - print('') - - if display_options: - parser.set_option_table(self.display_options) - parser.print_help( - "Information display options (just display " + - "information, ignore any commands)") - print('') - - for command in self.commands: - if isinstance(command, type) and issubclass(command, Command): - klass = command - else: - klass = self.get_command_class(command) - if (hasattr(klass, 'help_options') and - isinstance(klass.help_options, list)): - parser.set_option_table(klass.user_options + - fix_help_options(klass.help_options)) - else: - parser.set_option_table(klass.user_options) - parser.print_help("Options for '%s' command:" % klass.__name__) - print('') - - print(gen_usage(self.script_name)) - - def handle_display_options(self, option_order): - """If there were any non-global "display-only" options - (--help-commands or the metadata display options) on the command - line, display the requested info and return true; else return - false. - """ - from distutils.core import gen_usage - - # 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 1 - - # 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 = 0 - is_display_option = {} - for option in self.display_options: - is_display_option[option[0]] = 1 - - for (opt, val) in option_order: - if val and is_display_option.get(opt): - opt = translate_longopt(opt) - value = getattr(self.metadata, "get_"+opt)() - if opt in ['keywords', 'platforms']: - print(','.join(value)) - elif opt in ('classifiers', 'provides', 'requires', - 'obsoletes'): - print('\n'.join(value)) - else: - print(value) - any_display_options = 1 - - 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: - klass = self.cmdclass.get(cmd) - if not klass: - klass = self.get_command_class(cmd) - try: - description = klass.description - except AttributeError: - description = "(no description available)" - - print(" %-*s %s" % (max_length, cmd, description)) - - 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 distutils.command.__all__) and "extra commands" - (mentioned in self.cmdclass, but not a standard command). The - descriptions come from the command class attribute - 'description'. - """ - import distutils.command - std_commands = distutils.command.__all__ - is_std = {} - for cmd in std_commands: - is_std[cmd] = 1 - - extra_commands = [] - for cmd in self.cmdclass.keys(): - if not is_std.get(cmd): - extra_commands.append(cmd) - - 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) - - def get_command_list(self): - """Get a list of (command, description) tuples. - The list is divided into "standard commands" (listed in - distutils.command.__all__) and "extra commands" (mentioned in - self.cmdclass, but not a standard command). The descriptions come - from the command class attribute 'description'. - """ - # Currently this is only used on Mac OS, for the Mac-only GUI - # Distutils interface (by Jack Jansen) - import distutils.command - std_commands = distutils.command.__all__ - is_std = {} - for cmd in std_commands: - is_std[cmd] = 1 - - extra_commands = [] - for cmd in self.cmdclass.keys(): - if not is_std.get(cmd): - extra_commands.append(cmd) - - rv = [] - for cmd in (std_commands + extra_commands): - klass = self.cmdclass.get(cmd) - if not klass: - klass = self.get_command_class(cmd) - try: - description = klass.description - except AttributeError: - description = "(no description available)" - rv.append((cmd, description)) - return rv - - # -- Command class/object methods ---------------------------------- - - def get_command_packages(self): - """Return a list of packages from which commands are loaded.""" - pkgs = self.command_packages - if not isinstance(pkgs, list): - if pkgs is None: - pkgs = '' - pkgs = [pkg.strip() for pkg in pkgs.split(',') if pkg != ''] - if "distutils.command" not in pkgs: - pkgs.insert(0, "distutils.command") - self.command_packages = pkgs - return pkgs - - def get_command_class(self, command): - """Return the class that implements the Distutils command named by - 'command'. First we check the 'cmdclass' dictionary; if the - command is mentioned there, we fetch the class object from the - dictionary and return it. Otherwise we load the command module - ("distutils.command." + command) and fetch the command class from - the module. The loaded class is also stored in 'cmdclass' - to speed future calls to 'get_command_class()'. - - Raises DistutilsModuleError if the expected module could not be - found, or if that module does not define the expected class. - """ - klass = self.cmdclass.get(command) - if klass: - return klass - - for pkgname in self.get_command_packages(): - module_name = "%s.%s" % (pkgname, command) - klass_name = command - - try: - __import__(module_name) - module = sys.modules[module_name] - except ImportError: - continue - - try: - klass = getattr(module, klass_name) - except AttributeError: - raise DistutilsModuleError( - "invalid command '%s' (no class '%s' in module '%s')" - % (command, klass_name, module_name)) - - self.cmdclass[command] = klass - return klass - - raise DistutilsModuleError("invalid command '%s'" % command) - - def get_command_obj(self, command, create=1): - """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: - if DEBUG: - self.announce("Distribution.get_command_obj(): " - "creating '%s' command object" % command) - - klass = self.get_command_class(command) - cmd_obj = self.command_obj[command] = klass(self) - self.have_run[command] = 0 - - # Set any options that were supplied in config files - # or on the command line. (NB. support for error - # reporting is lame here: any 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) - - if DEBUG: - self.announce(" setting options for '%s' command:" % command_name) - for (option, (source, value)) in option_dict.items(): - if DEBUG: - self.announce(" %s = %s (from %s)" % (option, value, - source)) - try: - bool_opts = [translate_longopt(o) - for o 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 DistutilsOptionError( - "error in %s: command '%s' has no such option '%s'" - % (source, command_name, option)) - except ValueError as msg: - raise DistutilsOptionError(msg) - - def reinitialize_command(self, command, reinit_subcommands=0): - """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" command for an example. Only - reinitializes the sub-commands that actually matter, ie. those - whose test predicates return true. - - Returns the reinitialized command object. - """ - from distutils.cmd import Command - 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() - command.finalized = 0 - self.have_run[command_name] = 0 - self._set_command_options(command) - - if reinit_subcommands: - for sub in command.get_sub_commands(): - self.reinitialize_command(sub, reinit_subcommands) - - return command - - # -- Methods that operate on the Distribution ---------------------- - - def announce(self, msg, level=log.INFO): - log.log(level, msg) - - 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): - """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 - - log.info("running %s", command) - cmd_obj = self.get_command_obj(command) - cmd_obj.ensure_finalized() - cmd_obj.run() - self.have_run[command] = 1 - - # -- 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()) - - # -- Metadata query methods ---------------------------------------- - - # If you're looking for 'get_name()', 'get_version()', and so forth, - # they are defined in a sneaky way: the constructor binds self.get_XXX - # to self.metadata.get_XXX. The actual code is in the - # DistributionMetadata class, below. - -class DistributionMetadata: - """Dummy class to hold the distribution meta-data: name, version, - author, and so forth. - """ - - _METHOD_BASENAMES = ("name", "version", "author", "author_email", - "maintainer", "maintainer_email", "url", - "license", "description", "long_description", - "keywords", "platforms", "fullname", "contact", - "contact_email", "classifiers", "download_url", - # PEP 314 - "provides", "requires", "obsoletes", - ) - - def __init__(self, path=None): - if path is not None: - self.read_pkg_file(open(path)) - else: - self.name = None - self.version = None - self.author = None - self.author_email = None - self.maintainer = None - self.maintainer_email = None - self.url = None - self.license = None - self.description = None - self.long_description = None - self.keywords = None - self.platforms = None - self.classifiers = None - self.download_url = None - # PEP 314 - self.provides = None - self.requires = None - self.obsoletes = None - - def read_pkg_file(self, file): - """Reads the metadata values from a file object.""" - msg = message_from_file(file) - - def _read_field(name): - value = msg[name] - if value == 'UNKNOWN': - return None - return value - - def _read_list(name): - values = msg.get_all(name, None) - if values == []: - return None - return values - - metadata_version = msg['metadata-version'] - self.name = _read_field('name') - self.version = _read_field('version') - self.description = _read_field('summary') - # we are filling author only. - self.author = _read_field('author') - self.maintainer = None - self.author_email = _read_field('author-email') - self.maintainer_email = None - self.url = _read_field('home-page') - self.license = _read_field('license') - - if 'download-url' in msg: - self.download_url = _read_field('download-url') - else: - self.download_url = None - - self.long_description = _read_field('description') - self.description = _read_field('summary') - - if 'keywords' in msg: - self.keywords = _read_field('keywords').split(',') - - self.platforms = _read_list('platform') - self.classifiers = _read_list('classifier') - - # PEP 314 - these fields only exist in 1.1 - if metadata_version == '1.1': - self.requires = _read_list('requires') - self.provides = _read_list('provides') - self.obsoletes = _read_list('obsoletes') - else: - self.requires = None - self.provides = None - self.obsoletes = None - - def write_pkg_info(self, base_dir): - """Write the PKG-INFO file into the release tree. - """ - with open(os.path.join(base_dir, 'PKG-INFO'), 'w', - encoding='UTF-8') as pkg_info: - self.write_pkg_file(pkg_info) - - def write_pkg_file(self, file): - """Write the PKG-INFO format data to a file object. - """ - version = '1.0' - if (self.provides or self.requires or self.obsoletes or - self.classifiers or self.download_url): - version = '1.1' - - file.write('Metadata-Version: %s\n' % version) - file.write('Name: %s\n' % self.get_name()) - file.write('Version: %s\n' % self.get_version()) - file.write('Summary: %s\n' % self.get_description()) - file.write('Home-page: %s\n' % self.get_url()) - file.write('Author: %s\n' % self.get_contact()) - file.write('Author-email: %s\n' % self.get_contact_email()) - file.write('License: %s\n' % self.get_license()) - if self.download_url: - file.write('Download-URL: %s\n' % self.download_url) - - long_desc = rfc822_escape(self.get_long_description()) - file.write('Description: %s\n' % long_desc) - - keywords = ','.join(self.get_keywords()) - if keywords: - file.write('Keywords: %s\n' % keywords) - - self._write_list(file, 'Platform', self.get_platforms()) - self._write_list(file, 'Classifier', self.get_classifiers()) - - # PEP 314 - self._write_list(file, 'Requires', self.get_requires()) - self._write_list(file, 'Provides', self.get_provides()) - self._write_list(file, 'Obsoletes', self.get_obsoletes()) - - def _write_list(self, file, name, values): - for value in values: - file.write('%s: %s\n' % (name, value)) - - # -- Metadata query methods ---------------------------------------- - - def get_name(self): - return self.name or "UNKNOWN" - - def get_version(self): - return self.version or "0.0.0" - - def get_fullname(self): - return "%s-%s" % (self.get_name(), self.get_version()) - - def get_author(self): - return self.author or "UNKNOWN" - - def get_author_email(self): - return self.author_email or "UNKNOWN" - - def get_maintainer(self): - return self.maintainer or "UNKNOWN" - - def get_maintainer_email(self): - return self.maintainer_email or "UNKNOWN" - - def get_contact(self): - return self.maintainer or self.author or "UNKNOWN" - - def get_contact_email(self): - return self.maintainer_email or self.author_email or "UNKNOWN" - - def get_url(self): - return self.url or "UNKNOWN" - - def get_license(self): - return self.license or "UNKNOWN" - get_licence = get_license - - def get_description(self): - return self.description or "UNKNOWN" - - def get_long_description(self): - return self.long_description or "UNKNOWN" - - def get_keywords(self): - return self.keywords or [] - - def set_keywords(self, value): - self.keywords = _ensure_list(value, 'keywords') - - def get_platforms(self): - return self.platforms or ["UNKNOWN"] - - def set_platforms(self, value): - self.platforms = _ensure_list(value, 'platforms') - - def get_classifiers(self): - return self.classifiers or [] - - def set_classifiers(self, value): - self.classifiers = _ensure_list(value, 'classifiers') - - def get_download_url(self): - return self.download_url or "UNKNOWN" - - # PEP 314 - def get_requires(self): - return self.requires or [] - - def set_requires(self, value): - import distutils.versionpredicate - for v in value: - distutils.versionpredicate.VersionPredicate(v) - self.requires = list(value) - - def get_provides(self): - return self.provides or [] - - def set_provides(self, value): - value = [v.strip() for v in value] - for v in value: - import distutils.versionpredicate - distutils.versionpredicate.split_provision(v) - self.provides = value - - def get_obsoletes(self): - return self.obsoletes or [] - - def set_obsoletes(self, value): - import distutils.versionpredicate - for v in value: - distutils.versionpredicate.VersionPredicate(v) - self.obsoletes = list(value) - -def fix_help_options(options): - """Convert a 4-tuple 'help_options' list as found in various command - classes to the 3-tuple form required by FancyGetopt. - """ - new_options = [] - for help_tuple in options: - new_options.append(help_tuple[0:3]) - return new_options |