867 lines
33 KiB
Python
867 lines
33 KiB
Python
"""distutils.dist
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Provides the Distribution class, which represents the module distribution
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being built/installed/distributed."""
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# created 2000/04/03, Greg Ward
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# (extricated from core.py; actually dates back to the beginning)
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__revision__ = "$Id$"
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import sys, os, string, re
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from types import *
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from copy import copy
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from distutils.errors import *
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from distutils import sysconfig
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from distutils.fancy_getopt import FancyGetopt, longopt_xlate
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from distutils.util import check_environ
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# Regex to define acceptable Distutils command names. This is not *quite*
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# the same as a Python NAME -- I don't allow leading underscores. 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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class Distribution:
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"""The core of the Distutils. Most of the work hiding behind
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'setup' is really done within a Distribution instance, which
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farms the work out to the Distutils commands specified on the
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command line.
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Clients will almost never instantiate Distribution directly,
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unless the 'setup' function is totally inadequate to their needs.
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However, it is conceivable that a client might wish to subclass
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Distribution for some specialized purpose, and then pass the
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subclass to 'setup' as the 'distclass' keyword argument. If so,
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it is necessary to respect the expectations that 'setup' has of
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Distribution: it must have a constructor and methods
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'parse_command_line()' and 'run_commands()' with signatures like
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those described below."""
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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. "./setup.py -n" or "./setup.py --quiet" 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 = [('verbose', 'v', "run verbosely (default)"),
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('quiet', 'q', "run quietly (turns verbosity off)"),
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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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]
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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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('name', None,
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"print package name"),
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('version', 'V',
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"print package version"),
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('fullname', None,
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"print <package name>-<version>"),
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('author', None,
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"print the author's name"),
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('author-email', None,
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"print the author's email address"),
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('maintainer', None,
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"print the maintainer's name"),
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('maintainer-email', None,
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"print the maintainer's email address"),
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('contact', None,
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"print the maintainer's name if known, else the author's"),
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('contact-email', None,
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"print the maintainer's email address if known, else the author's"),
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('url', None,
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"print the URL for this package"),
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('licence', None,
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"print the licence of the package"),
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('license', None,
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"alias for --licence"),
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('description', None,
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"print the package description"),
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('long-description', None,
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"print the long package description"),
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]
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display_option_names = map(lambda x: string.translate(x[0], longopt_xlate),
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display_options)
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# negative options are options that exclude other options
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negative_opt = {'quiet': 'verbose'}
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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 uses 'attrs' (a
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dictionary mapping attribute names to values) to assign
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some of those attributes their "real" values. (Any attributes
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not mentioned in 'attrs' will be assigned to some null
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value: 0, None, an empty list or dictionary, etc.) Most
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importantly, initialize the 'command_obj' attribute
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to the empty dictionary; this will be filled in with real
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command objects by 'parse_command_line()'."""
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# Default values for our command-line options
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self.verbose = 1
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self.dry_run = 0
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self.help = 0
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for attr in self.display_option_names:
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setattr(self, attr, 0)
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# Store the distribution meta-data (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. Also delegate 'get_XXX()' methods to the 'metadata'
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# object in a sneaky and underhanded (but efficient!) way.
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self.metadata = DistributionMetadata ()
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method_basenames = dir(self.metadata) + \
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['fullname', 'contact', 'contact_email']
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for basename in method_basenames:
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method_name = "get_" + basename
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setattr(self, method_name, getattr(self.metadata, method_name))
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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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# '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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# 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 = None
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self.package_dir = None
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self.py_modules = None
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self.libraries = None
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self.headers = None
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self.ext_modules = None
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self.ext_package = None
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self.include_dirs = None
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self.extra_path = None
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self.scripts = None
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self.data_files = None
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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 succesfully 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:
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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:
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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 hasattr (self.metadata, key):
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setattr (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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raise DistutilsSetupError, \
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"invalid distribution option '%s'" % key
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# __init__ ()
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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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dict = self.command_options.get(command)
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if dict is None:
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dict = self.command_options[command] = {}
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return dict
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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 = self.command_options.keys()
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commands.sort()
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if header is not None:
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print indent + header
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indent = indent + " "
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if not commands:
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print 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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print indent + "no option dict for '%s' command" % cmd_name
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else:
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print indent + "option dict for '%s' command:" % cmd_name
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out = pformat(opt_dict)
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for line in string.split(out, "\n"):
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print indent + " " + line
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# dump_option_dicts ()
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# -- Config file finding/parsing methods ---------------------------
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def find_config_files (self):
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"""Find as many configuration files as should be processed for this
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platform, and return a list of filenames in the order in which they
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should be parsed. The filenames returned are guaranteed to exist
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(modulo nasty race conditions).
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On Unix, there are three possible config files: pydistutils.cfg in
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the Distutils installation directory (ie. where the top-level
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Distutils __inst__.py file lives), .pydistutils.cfg in the user's
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home directory, and setup.cfg in the current directory.
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On Windows and Mac OS, there are two possible config files:
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pydistutils.cfg in the Python installation directory (sys.prefix)
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and setup.cfg in the current directory.
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"""
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files = []
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if os.name == "posix":
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check_environ()
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sys_dir = os.path.dirname(sys.modules['distutils'].__file__)
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sys_file = os.path.join(sys_dir, "pydistutils.cfg")
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if os.path.isfile(sys_file):
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files.append(sys_file)
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user_file = os.path.join(os.environ.get('HOME'),
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".pydistutils.cfg")
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if os.path.isfile(user_file):
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files.append(user_file)
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else:
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sys_file = os.path.join (sysconfig.PREFIX, "pydistutils.cfg")
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if os.path.isfile(sys_file):
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files.append(sys_file)
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# All platforms support local setup.cfg
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local_file = "setup.cfg"
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if os.path.isfile(local_file):
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files.append(local_file)
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return files
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# find_config_files ()
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def parse_config_files (self, filenames=None):
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from ConfigParser import ConfigParser
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if filenames is None:
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filenames = self.find_config_files()
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print "Distribution.parse_config_files():"
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parser = ConfigParser()
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for filename in filenames:
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print " reading", filename
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parser.read(filename)
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for section in parser.sections():
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options = parser.options(section)
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opt_dict = self.get_option_dict(section)
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for opt in options:
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if opt != '__name__':
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opt_dict[opt] = (filename, parser.get(section,opt))
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# Make the ConfigParser forget everything (so we retain
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# the original filenames that options come from) -- gag,
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# retch, puke -- another good reason for a distutils-
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# specific config parser (sigh...)
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parser.__init__()
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# -- Command-line parsing methods ----------------------------------
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def parse_command_line (self, args):
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"""Parse the setup script's command line. 'args' must be a list
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of command-line arguments, most likely 'sys.argv[1:]' (see the
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'setup()' function). This list is first processed for "global
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options" -- options that set attributes of the Distribution
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instance. Then, it is alternately scanned for Distutils
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commands and options for that command. Each new command
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terminates the options for the previous command. The allowed
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options for a command are determined by the 'user_options'
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attribute of the command class -- thus, we have to be able to
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load command classes in order to parse the command line. Any
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error in that 'options' attribute raises DistutilsGetoptError;
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any error on the command-line raises DistutilsArgError. If no
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Distutils commands were found on the command line, raises
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DistutilsArgError. Return true if command-line were
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successfully parsed and we should carry on with executing
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commands; false if no errors but we shouldn't execute commands
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(currently, this only happens if user asks for help).
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"""
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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 (self.global_options + self.display_options)
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parser.set_negative_aliases (self.negative_opt)
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parser.set_aliases ({'license': 'licence'})
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args = parser.getopt (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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# "setup.py --help" and "setup.py --help command ...". For the
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# former, we show global options (--verbose, --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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print "showing 'global' help; commands=", self.commands
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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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# Oops, no commands found -- an end-user error
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if not self.commands:
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raise DistutilsArgError, "no commands supplied"
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# All is well: return true
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return 1
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# parse_command_line()
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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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# late import because of mutual dependence between these modules
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from distutils.cmd import Command
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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 '%s'" % 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 = self.get_command_class (command)
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except DistutilsModuleError, msg:
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raise DistutilsArgError, msg
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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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if not issubclass (cmd_class, Command):
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raise DistutilsClassError, \
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"command class %s must subclass Command" % cmd_class
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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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type (cmd_class.user_options) is ListType):
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raise DistutilsClassError, \
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("command class %s must provide " +
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"'user_options' attribute (a list of tuples)") % \
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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 = copy (negative_opt)
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negative_opt.update (cmd_class.negative_opt)
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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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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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print "showing help for command", cmd_class
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self._show_help(parser, display_options=0, commands=[cmd_class])
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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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|
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# _parse_command_opts ()
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def _show_help (self,
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parser,
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global_options=1,
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display_options=1,
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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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--verbose, --dry-run, etc. If 'display_options' is true, lists
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the "display-only" options: --name, --version, etc. 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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"""
|
|
# late import because of mutual dependence between these modules
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from distutils.core import usage
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from distutils.cmd import Command
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|
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if global_options:
|
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parser.set_option_table (self.global_options)
|
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parser.print_help ("Global options:")
|
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print
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|
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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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|
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for command in self.commands:
|
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if type(command) is ClassType and issubclass(klass, Command):
|
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klass = command
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else:
|
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klass = self.get_command_class (command)
|
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parser.set_option_table (klass.user_options)
|
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parser.print_help ("Options for '%s' command:" % klass.__name__)
|
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print
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print usage
|
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return
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|
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# _show_help ()
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|
|
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 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 usage
|
|
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 = string.translate (opt, longopt_xlate)
|
|
print getattr(self.metadata, "get_"+opt)()
|
|
any_display_options = 1
|
|
|
|
return any_display_options
|
|
|
|
# handle_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)
|
|
|
|
# print_command_list ()
|
|
|
|
|
|
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)
|
|
|
|
# print_commands ()
|
|
|
|
|
|
# -- Command class/object methods ----------------------------------
|
|
|
|
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
|
|
|
|
module_name = 'distutils.command.' + command
|
|
klass_name = command
|
|
|
|
try:
|
|
__import__ (module_name)
|
|
module = sys.modules[module_name]
|
|
except ImportError:
|
|
raise DistutilsModuleError, \
|
|
"invalid command '%s' (no module named '%s')" % \
|
|
(command, module_name)
|
|
|
|
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
|
|
|
|
# get_command_class ()
|
|
|
|
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 comand
|
|
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:
|
|
print "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 Commnd instance. If 'option_dict' is not
|
|
supplied, uses the standard option dictionary for this command
|
|
(from 'self.command_options').
|
|
"""
|
|
from distutils.core import DEBUG
|
|
|
|
command_name = command_obj.get_command_name()
|
|
if option_dict is None:
|
|
option_dict = self.get_option_dict(command_name)
|
|
|
|
if DEBUG: print " setting options for '%s' command:" % command_name
|
|
for (option, (source, value)) in option_dict.items():
|
|
if DEBUG: print " %s = %s (from %s)" % (option, value, source)
|
|
if not hasattr(command_obj, option):
|
|
raise DistutilsOptionError, \
|
|
("error in %s: command '%s' has no such option '%s'") % \
|
|
(source, command_name, option)
|
|
setattr(command_obj, option, value)
|
|
|
|
def reinitialize_command (self, command):
|
|
"""Reinitializes a command to the state it was in when first
|
|
returned by 'get_command_obj()': ie., initialized but not yet
|
|
finalized. This gives 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.
|
|
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.initialize_options()
|
|
command.finalized = 0
|
|
self._set_command_options(command)
|
|
return command
|
|
|
|
|
|
# -- Methods that operate on the Distribution ----------------------
|
|
|
|
def announce (self, msg, level=1):
|
|
"""Print 'msg' if 'level' is greater than or equal to the verbosity
|
|
level recorded in the 'verbose' attribute (which, currently, can be
|
|
only 0 or 1).
|
|
"""
|
|
if self.verbose >= level:
|
|
print 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
|
|
|
|
self.announce ("running " + 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 Distribution
|
|
|
|
|
|
class DistributionMetadata:
|
|
"""Dummy class to hold the distribution meta-data: name, version,
|
|
author, and so forth."""
|
|
|
|
def __init__ (self):
|
|
self.name = None
|
|
self.version = None
|
|
self.author = None
|
|
self.author_email = None
|
|
self.maintainer = None
|
|
self.maintainer_email = None
|
|
self.url = None
|
|
self.licence = None
|
|
self.description = None
|
|
self.long_description = None
|
|
|
|
# -- Metadata query methods ----------------------------------------
|
|
|
|
def get_name (self):
|
|
return self.name or "UNKNOWN"
|
|
|
|
def get_version(self):
|
|
return self.version or "???"
|
|
|
|
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_licence(self):
|
|
return self.licence or "UNKNOWN"
|
|
|
|
def get_description(self):
|
|
return self.description or "UNKNOWN"
|
|
|
|
def get_long_description(self):
|
|
return self.long_description or "UNKNOWN"
|
|
|
|
# class DistributionMetadata
|
|
|
|
if __name__ == "__main__":
|
|
dist = Distribution ()
|
|
print "ok"
|