mirror of
https://github.com/veekun/pokedex.git
synced 2024-08-20 18:16:34 +00:00
Speed up import pokedex.db slightly.
Importing pokedex can take several seconds due to its rather large dependencies—in particular, sqlalchemy, whoosh, and pkg_resources seem to be the largest offenders. Normally, it would be possible to import only the submodules one needs (pokedex.db, say), but pokedex.__init__ brings in all the submodules, for use by the command-line interface. The fix is rather obvious: - Move the command-line stuff into pokedex.main. Note: because the submodules are no longer imported by default, any script which expects `import pokedex` to be useful will likely break. Note: the `pokedex` command will not work until you re-run `python setup.py develop`, to update entry_points.txt. - Don't import pkg_resources until necessary.
This commit is contained in:
a_magical_me
parent
629d99885c
commit
e7c40a08af
4 changed files with 290 additions and 289 deletions
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@ -1,287 +0,0 @@
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# encoding: utf8
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from optparse import OptionParser
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import os
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import sys
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# XXX importing pokedex.whatever should not import all these
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import pokedex.db
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import pokedex.db.load
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import pokedex.db.tables
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import pokedex.lookup
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from pokedex import defaults
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def main():
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if len(sys.argv) <= 1:
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command_help()
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command = sys.argv[1]
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args = sys.argv[2:]
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# XXX there must be a better way to get Unicode argv
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# XXX this doesn't work on Windows durp
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enc = sys.stdin.encoding or 'utf8'
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args = [_.decode(enc) for _ in args]
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# Find the command as a function in this file
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func = globals().get("command_%s" % command, None)
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if func:
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func(*args)
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else:
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command_help()
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def get_parser(verbose=True):
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"""Returns an OptionParser prepopulated with the global options.
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`verbose` is whether or not the options should be verbose by default.
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"""
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parser = OptionParser()
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parser.add_option('-e', '--engine', dest='engine_uri', default=None)
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parser.add_option('-i', '--index', dest='index_dir', default=None)
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parser.add_option('-q', '--quiet', dest='verbose', default=verbose, action='store_false')
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parser.add_option('-v', '--verbose', dest='verbose', default=verbose, action='store_true')
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return parser
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def get_session(options):
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"""Given a parsed options object, connects to the database and returns a
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session.
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"""
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engine_uri = options.engine_uri
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got_from = 'command line'
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if engine_uri is None:
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engine_uri, got_from = defaults.get_default_db_uri_with_origin()
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session = pokedex.db.connect(engine_uri)
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if options.verbose:
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print "Connected to database %(engine)s (from %(got_from)s)" \
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% dict(engine=session.bind.url, got_from=got_from)
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return session
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def get_lookup(options, session=None, recreate=False):
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"""Given a parsed options object, opens the whoosh index and returns a
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PokedexLookup object.
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"""
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if recreate and not session:
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raise ValueError("get_lookup() needs an explicit session to regen the index")
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index_dir = options.index_dir
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got_from = 'command line'
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if index_dir is None:
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index_dir, got_from = defaults.get_default_index_dir_with_origin()
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if options.verbose:
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print "Opened lookup index %(index_dir)s (from %(got_from)s)" \
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% dict(index_dir=index_dir, got_from=got_from)
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lookup = pokedex.lookup.PokedexLookup(index_dir, session=session)
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if recreate:
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lookup.rebuild_index()
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return lookup
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def get_csv_directory(options):
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"""Prints and returns the csv directory we're about to use."""
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if not options.verbose:
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return
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csvdir = options.directory
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got_from = 'command line'
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if csvdir is None:
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csvdir, got_from = defaults.get_default_csv_dir_with_origin()
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print "Using CSV directory %(csvdir)s (from %(got_from)s)" \
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% dict(csvdir=csvdir, got_from=got_from)
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return csvdir
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### Plumbing commands
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def command_dump(*args):
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parser = get_parser(verbose=True)
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parser.add_option('-d', '--directory', dest='directory', default=None)
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options, tables = parser.parse_args(list(args))
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session = get_session(options)
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get_csv_directory(options)
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pokedex.db.load.dump(session, directory=options.directory,
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tables=tables,
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verbose=options.verbose)
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def command_load(*args):
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parser = get_parser(verbose=True)
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parser.add_option('-d', '--directory', dest='directory', default=None)
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parser.add_option('-D', '--drop-tables', dest='drop_tables', default=False, action='store_true')
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parser.add_option('-S', '--safe', dest='safe', default=False, action='store_true',
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help="Do not use backend-specific optimalizations.")
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options, tables = parser.parse_args(list(args))
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if not options.engine_uri:
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print "WARNING: You're reloading the default database, but not the lookup index. They"
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print " might get out of sync, and pokedex commands may not work correctly!"
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print "To fix this, run `pokedex reindex` when this command finishes. Or, just use"
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print "`pokedex setup` to do both at once."
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print
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session = get_session(options)
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get_csv_directory(options)
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pokedex.db.load.load(session, directory=options.directory,
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drop_tables=options.drop_tables,
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tables=tables,
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verbose=options.verbose,
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safe=options.safe)
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def command_reindex(*args):
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parser = get_parser(verbose=True)
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options, _ = parser.parse_args(list(args))
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session = get_session(options)
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lookup = get_lookup(options, session=session, recreate=True)
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print "Recreated lookup index."
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def command_setup(*args):
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parser = get_parser(verbose=False)
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options, _ = parser.parse_args(list(args))
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options.directory = None
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session = get_session(options)
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get_csv_directory(options)
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pokedex.db.load.load(session, directory=None, drop_tables=True,
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verbose=options.verbose,
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safe=False)
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lookup = get_lookup(options, session=session, recreate=True)
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print "Recreated lookup index."
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def command_status(*args):
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parser = get_parser(verbose=True)
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options, _ = parser.parse_args(list(args))
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options.verbose = True
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options.directory = None
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# Database, and a lame check for whether it's been inited at least once
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session = get_session(options)
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print " - OK! Connected successfully."
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if pokedex.db.tables.Pokemon.__table__.exists(session.bind):
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print " - OK! Database seems to contain some data."
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else:
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print " - WARNING: Database appears to be empty."
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# CSV; simple checks that the dir exists
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csvdir = get_csv_directory(options)
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if not os.path.exists(csvdir):
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print " - ERROR: No such directory!"
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elif not os.path.isdir(csvdir):
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print " - ERROR: Not a directory!"
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else:
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print " - OK! Directory exists."
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if os.access(csvdir, os.R_OK):
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print " - OK! Can read from directory."
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else:
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print " - ERROR: Can't read from directory!"
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if os.access(csvdir, os.W_OK):
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print " - OK! Can write to directory."
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else:
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print " - WARNING: Can't write to directory! " \
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"`dump` will not work. You may need to sudo."
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# Index; the PokedexLookup constructor covers most tests and will
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# cheerfully bomb if they fail
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lookup = get_lookup(options, recreate=False)
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print " - OK! Opened successfully."
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### User-facing commands
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def command_lookup(*args):
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parser = get_parser(verbose=False)
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options, words = parser.parse_args(list(args))
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name = u' '.join(words)
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session = get_session(options)
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lookup = get_lookup(options, session=session, recreate=False)
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results = lookup.lookup(name)
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if not results:
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print "No matches."
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elif results[0].exact:
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print "Matched:"
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else:
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print "Fuzzy-matched:"
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for result in results:
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if hasattr(result.object, 'full_name'):
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name = result.object.full_name
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else:
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name = result.object.name
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print "%s: %s" % (result.object.__tablename__, name),
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if result.language:
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print "(%s in %s)" % (result.name, result.language)
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else:
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print
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def command_help():
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print u"""pokedex -- a command-line Pokédex interface
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usage: pokedex {command} [options...]
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Run `pokedex setup` first, or nothing will work!
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See http://bugs.veekun.com/projects/pokedex/wiki/CLI for more documentation.
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Commands:
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help Displays this message.
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lookup [thing] Look up something in the Pokédex.
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System commands:
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load Load Pokédex data into a database from CSV files.
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dump Dump Pokédex data from a database into CSV files.
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reindex Rebuilds the lookup index from the database.
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setup Combines load and reindex.
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status No effect, but prints which engine, index, and csv
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directory would be used for other commands.
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Global options:
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-e|--engine=URI By default, all commands try to use a SQLite database
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in the pokedex install directory. Use this option (or
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a POKEDEX_DB_ENGINE environment variable) to specify an
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alternate database.
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-i|--index=DIR By default, all commands try to put the lookup index in
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the pokedex install directory. Use this option (or a
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POKEDEX_INDEX_DIR environment variable) to specify an
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alternate loction.
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-q|--quiet Don't print system output. This is the default for
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non-system commands and setup.
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-v|--verbose Print system output. This is the default for system
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commands, except setup.
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System options:
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-d|--directory=DIR By default, load and dump will use the CSV files in the
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pokedex install directory. Use this option to specify
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a different directory.
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-D|--drop-tables With load, drop all tables before loading data.
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Additionally, load and dump accept a list of table names (possibly with
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wildcards) and/or csv fileames as an argument list.
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""".encode(sys.getdefaultencoding(), 'replace')
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sys.exit(0)
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@ -1,13 +1,13 @@
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""" pokedex.defaults - logic for finding default paths """
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""" pokedex.defaults - logic for finding default paths """
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import os
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import os
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import pkg_resources
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def get_default_db_uri_with_origin():
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def get_default_db_uri_with_origin():
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uri = os.environ.get('POKEDEX_DB_ENGINE', None)
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uri = os.environ.get('POKEDEX_DB_ENGINE', None)
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origin = 'environment'
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origin = 'environment'
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if uri is None:
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if uri is None:
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import pkg_resources
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sqlite_path = pkg_resources.resource_filename('pokedex',
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sqlite_path = pkg_resources.resource_filename('pokedex',
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'data/pokedex.sqlite')
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'data/pokedex.sqlite')
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uri = 'sqlite:///' + sqlite_path
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uri = 'sqlite:///' + sqlite_path
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@ -20,6 +20,7 @@ def get_default_index_dir_with_origin():
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origin = 'environment'
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origin = 'environment'
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if index_dir is None:
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if index_dir is None:
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import pkg_resources
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index_dir = pkg_resources.resource_filename('pokedex',
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index_dir = pkg_resources.resource_filename('pokedex',
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'data/whoosh-index')
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'data/whoosh-index')
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origin = 'default'
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origin = 'default'
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@ -27,6 +28,7 @@ def get_default_index_dir_with_origin():
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return index_dir, origin
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return index_dir, origin
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def get_default_csv_dir_with_origin():
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def get_default_csv_dir_with_origin():
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import pkg_resources
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csv_dir = pkg_resources.resource_filename('pokedex', 'data/csv')
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csv_dir = pkg_resources.resource_filename('pokedex', 'data/csv')
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origin = 'default'
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origin = 'default'
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286
pokedex/main.py
Normal file
286
pokedex/main.py
Normal file
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@ -0,0 +1,286 @@
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# encoding: utf8
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from optparse import OptionParser
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import os
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import sys
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import pokedex.db
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import pokedex.db.load
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import pokedex.db.tables
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import pokedex.lookup
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from pokedex import defaults
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def main():
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if len(sys.argv) <= 1:
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command_help()
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command = sys.argv[1]
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args = sys.argv[2:]
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# XXX there must be a better way to get Unicode argv
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# XXX this doesn't work on Windows durp
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enc = sys.stdin.encoding or 'utf8'
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args = [_.decode(enc) for _ in args]
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# Find the command as a function in this file
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func = globals().get("command_%s" % command, None)
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if func:
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func(*args)
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else:
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command_help()
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def get_parser(verbose=True):
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"""Returns an OptionParser prepopulated with the global options.
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`verbose` is whether or not the options should be verbose by default.
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"""
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parser = OptionParser()
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parser.add_option('-e', '--engine', dest='engine_uri', default=None)
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parser.add_option('-i', '--index', dest='index_dir', default=None)
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parser.add_option('-q', '--quiet', dest='verbose', default=verbose, action='store_false')
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parser.add_option('-v', '--verbose', dest='verbose', default=verbose, action='store_true')
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return parser
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def get_session(options):
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"""Given a parsed options object, connects to the database and returns a
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session.
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"""
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engine_uri = options.engine_uri
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got_from = 'command line'
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if engine_uri is None:
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engine_uri, got_from = defaults.get_default_db_uri_with_origin()
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session = pokedex.db.connect(engine_uri)
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if options.verbose:
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||||||
|
print "Connected to database %(engine)s (from %(got_from)s)" \
|
||||||
|
% dict(engine=session.bind.url, got_from=got_from)
|
||||||
|
|
||||||
|
return session
|
||||||
|
|
||||||
|
def get_lookup(options, session=None, recreate=False):
|
||||||
|
"""Given a parsed options object, opens the whoosh index and returns a
|
||||||
|
PokedexLookup object.
|
||||||
|
"""
|
||||||
|
|
||||||
|
if recreate and not session:
|
||||||
|
raise ValueError("get_lookup() needs an explicit session to regen the index")
|
||||||
|
|
||||||
|
index_dir = options.index_dir
|
||||||
|
got_from = 'command line'
|
||||||
|
|
||||||
|
if index_dir is None:
|
||||||
|
index_dir, got_from = defaults.get_default_index_dir_with_origin()
|
||||||
|
|
||||||
|
if options.verbose:
|
||||||
|
print "Opened lookup index %(index_dir)s (from %(got_from)s)" \
|
||||||
|
% dict(index_dir=index_dir, got_from=got_from)
|
||||||
|
|
||||||
|
lookup = pokedex.lookup.PokedexLookup(index_dir, session=session)
|
||||||
|
|
||||||
|
if recreate:
|
||||||
|
lookup.rebuild_index()
|
||||||
|
|
||||||
|
return lookup
|
||||||
|
|
||||||
|
def get_csv_directory(options):
|
||||||
|
"""Prints and returns the csv directory we're about to use."""
|
||||||
|
|
||||||
|
if not options.verbose:
|
||||||
|
return
|
||||||
|
|
||||||
|
csvdir = options.directory
|
||||||
|
got_from = 'command line'
|
||||||
|
|
||||||
|
if csvdir is None:
|
||||||
|
csvdir, got_from = defaults.get_default_csv_dir_with_origin()
|
||||||
|
|
||||||
|
print "Using CSV directory %(csvdir)s (from %(got_from)s)" \
|
||||||
|
% dict(csvdir=csvdir, got_from=got_from)
|
||||||
|
|
||||||
|
return csvdir
|
||||||
|
|
||||||
|
|
||||||
|
### Plumbing commands
|
||||||
|
|
||||||
|
def command_dump(*args):
|
||||||
|
parser = get_parser(verbose=True)
|
||||||
|
parser.add_option('-d', '--directory', dest='directory', default=None)
|
||||||
|
options, tables = parser.parse_args(list(args))
|
||||||
|
|
||||||
|
session = get_session(options)
|
||||||
|
get_csv_directory(options)
|
||||||
|
|
||||||
|
pokedex.db.load.dump(session, directory=options.directory,
|
||||||
|
tables=tables,
|
||||||
|
verbose=options.verbose)
|
||||||
|
|
||||||
|
def command_load(*args):
|
||||||
|
parser = get_parser(verbose=True)
|
||||||
|
parser.add_option('-d', '--directory', dest='directory', default=None)
|
||||||
|
parser.add_option('-D', '--drop-tables', dest='drop_tables', default=False, action='store_true')
|
||||||
|
parser.add_option('-S', '--safe', dest='safe', default=False, action='store_true',
|
||||||
|
help="Do not use backend-specific optimalizations.")
|
||||||
|
options, tables = parser.parse_args(list(args))
|
||||||
|
|
||||||
|
if not options.engine_uri:
|
||||||
|
print "WARNING: You're reloading the default database, but not the lookup index. They"
|
||||||
|
print " might get out of sync, and pokedex commands may not work correctly!"
|
||||||
|
print "To fix this, run `pokedex reindex` when this command finishes. Or, just use"
|
||||||
|
print "`pokedex setup` to do both at once."
|
||||||
|
print
|
||||||
|
|
||||||
|
session = get_session(options)
|
||||||
|
get_csv_directory(options)
|
||||||
|
|
||||||
|
pokedex.db.load.load(session, directory=options.directory,
|
||||||
|
drop_tables=options.drop_tables,
|
||||||
|
tables=tables,
|
||||||
|
verbose=options.verbose,
|
||||||
|
safe=options.safe)
|
||||||
|
|
||||||
|
def command_reindex(*args):
|
||||||
|
parser = get_parser(verbose=True)
|
||||||
|
options, _ = parser.parse_args(list(args))
|
||||||
|
|
||||||
|
session = get_session(options)
|
||||||
|
lookup = get_lookup(options, session=session, recreate=True)
|
||||||
|
|
||||||
|
print "Recreated lookup index."
|
||||||
|
|
||||||
|
|
||||||
|
def command_setup(*args):
|
||||||
|
parser = get_parser(verbose=False)
|
||||||
|
options, _ = parser.parse_args(list(args))
|
||||||
|
|
||||||
|
options.directory = None
|
||||||
|
|
||||||
|
session = get_session(options)
|
||||||
|
get_csv_directory(options)
|
||||||
|
pokedex.db.load.load(session, directory=None, drop_tables=True,
|
||||||
|
verbose=options.verbose,
|
||||||
|
safe=False)
|
||||||
|
|
||||||
|
lookup = get_lookup(options, session=session, recreate=True)
|
||||||
|
|
||||||
|
print "Recreated lookup index."
|
||||||
|
|
||||||
|
|
||||||
|
def command_status(*args):
|
||||||
|
parser = get_parser(verbose=True)
|
||||||
|
options, _ = parser.parse_args(list(args))
|
||||||
|
options.verbose = True
|
||||||
|
options.directory = None
|
||||||
|
|
||||||
|
# Database, and a lame check for whether it's been inited at least once
|
||||||
|
session = get_session(options)
|
||||||
|
print " - OK! Connected successfully."
|
||||||
|
|
||||||
|
if pokedex.db.tables.Pokemon.__table__.exists(session.bind):
|
||||||
|
print " - OK! Database seems to contain some data."
|
||||||
|
else:
|
||||||
|
print " - WARNING: Database appears to be empty."
|
||||||
|
|
||||||
|
# CSV; simple checks that the dir exists
|
||||||
|
csvdir = get_csv_directory(options)
|
||||||
|
if not os.path.exists(csvdir):
|
||||||
|
print " - ERROR: No such directory!"
|
||||||
|
elif not os.path.isdir(csvdir):
|
||||||
|
print " - ERROR: Not a directory!"
|
||||||
|
else:
|
||||||
|
print " - OK! Directory exists."
|
||||||
|
|
||||||
|
if os.access(csvdir, os.R_OK):
|
||||||
|
print " - OK! Can read from directory."
|
||||||
|
else:
|
||||||
|
print " - ERROR: Can't read from directory!"
|
||||||
|
|
||||||
|
if os.access(csvdir, os.W_OK):
|
||||||
|
print " - OK! Can write to directory."
|
||||||
|
else:
|
||||||
|
print " - WARNING: Can't write to directory! " \
|
||||||
|
"`dump` will not work. You may need to sudo."
|
||||||
|
|
||||||
|
# Index; the PokedexLookup constructor covers most tests and will
|
||||||
|
# cheerfully bomb if they fail
|
||||||
|
lookup = get_lookup(options, recreate=False)
|
||||||
|
print " - OK! Opened successfully."
|
||||||
|
|
||||||
|
|
||||||
|
### User-facing commands
|
||||||
|
|
||||||
|
def command_lookup(*args):
|
||||||
|
parser = get_parser(verbose=False)
|
||||||
|
options, words = parser.parse_args(list(args))
|
||||||
|
|
||||||
|
name = u' '.join(words)
|
||||||
|
|
||||||
|
session = get_session(options)
|
||||||
|
lookup = get_lookup(options, session=session, recreate=False)
|
||||||
|
|
||||||
|
results = lookup.lookup(name)
|
||||||
|
if not results:
|
||||||
|
print "No matches."
|
||||||
|
elif results[0].exact:
|
||||||
|
print "Matched:"
|
||||||
|
else:
|
||||||
|
print "Fuzzy-matched:"
|
||||||
|
|
||||||
|
for result in results:
|
||||||
|
if hasattr(result.object, 'full_name'):
|
||||||
|
name = result.object.full_name
|
||||||
|
else:
|
||||||
|
name = result.object.name
|
||||||
|
|
||||||
|
print "%s: %s" % (result.object.__tablename__, name),
|
||||||
|
if result.language:
|
||||||
|
print "(%s in %s)" % (result.name, result.language)
|
||||||
|
else:
|
||||||
|
print
|
||||||
|
|
||||||
|
|
||||||
|
def command_help():
|
||||||
|
print u"""pokedex -- a command-line Pokédex interface
|
||||||
|
usage: pokedex {command} [options...]
|
||||||
|
Run `pokedex setup` first, or nothing will work!
|
||||||
|
See http://bugs.veekun.com/projects/pokedex/wiki/CLI for more documentation.
|
||||||
|
|
||||||
|
Commands:
|
||||||
|
help Displays this message.
|
||||||
|
lookup [thing] Look up something in the Pokédex.
|
||||||
|
|
||||||
|
System commands:
|
||||||
|
load Load Pokédex data into a database from CSV files.
|
||||||
|
dump Dump Pokédex data from a database into CSV files.
|
||||||
|
reindex Rebuilds the lookup index from the database.
|
||||||
|
setup Combines load and reindex.
|
||||||
|
status No effect, but prints which engine, index, and csv
|
||||||
|
directory would be used for other commands.
|
||||||
|
|
||||||
|
Global options:
|
||||||
|
-e|--engine=URI By default, all commands try to use a SQLite database
|
||||||
|
in the pokedex install directory. Use this option (or
|
||||||
|
a POKEDEX_DB_ENGINE environment variable) to specify an
|
||||||
|
alternate database.
|
||||||
|
-i|--index=DIR By default, all commands try to put the lookup index in
|
||||||
|
the pokedex install directory. Use this option (or a
|
||||||
|
POKEDEX_INDEX_DIR environment variable) to specify an
|
||||||
|
alternate loction.
|
||||||
|
-q|--quiet Don't print system output. This is the default for
|
||||||
|
non-system commands and setup.
|
||||||
|
-v|--verbose Print system output. This is the default for system
|
||||||
|
commands, except setup.
|
||||||
|
|
||||||
|
System options:
|
||||||
|
-d|--directory=DIR By default, load and dump will use the CSV files in the
|
||||||
|
pokedex install directory. Use this option to specify
|
||||||
|
a different directory.
|
||||||
|
-D|--drop-tables With load, drop all tables before loading data.
|
||||||
|
|
||||||
|
Additionally, load and dump accept a list of table names (possibly with
|
||||||
|
wildcards) and/or csv fileames as an argument list.
|
||||||
|
""".encode(sys.getdefaultencoding(), 'replace')
|
||||||
|
|
||||||
|
sys.exit(0)
|
||||||
2
setup.py
2
setup.py
|
|
@ -16,7 +16,7 @@ setup(
|
||||||
|
|
||||||
entry_points = {
|
entry_points = {
|
||||||
'console_scripts': [
|
'console_scripts': [
|
||||||
'pokedex = pokedex:main',
|
'pokedex = pokedex.main:main',
|
||||||
],
|
],
|
||||||
},
|
},
|
||||||
)
|
)
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue