X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/517e947f5ab92e233677f95286af9feabeb68fbc..b11dddc0517b1c928695b71aa9b74c85485e9e6c:/pokedex/db/__init__.py?ds=sidebyside diff --git a/pokedex/db/__init__.py b/pokedex/db/__init__.py index c4013f4..464629d 100644 --- a/pokedex/db/__init__.py +++ b/pokedex/db/__init__.py @@ -1,9 +1,14 @@ +# encoding: utf-8 +import re + from sqlalchemy import engine_from_config, orm from ..defaults import get_default_db_uri from .tables import Language, metadata from .multilang import MultilangSession, MultilangScopedSession +ENGLISH_ID = 9 + def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''): """Connects to the requested URI. Returns a session object. @@ -21,7 +26,7 @@ def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''): uri = get_default_db_uri() ### Do some fixery for MySQL - if uri[0:5] == 'mysql': + if uri.startswith('mysql:'): # MySQL uses latin1 for connections by default even if the server is # otherwise oozing with utf8; charset fixes this if 'charset' not in uri: @@ -41,13 +46,38 @@ def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''): all_session_args = dict(autoflush=True, autocommit=False, bind=engine) all_session_args.update(session_args) - sm = orm.sessionmaker(class_=MultilangSession, language_class=Language, - **all_session_args) + sm = orm.sessionmaker(class_=MultilangSession, + default_language_id=ENGLISH_ID, **all_session_args) session = MultilangScopedSession(sm) - # Default to English. Warning, magic constant, blah blah. Trying to fetch - # English here would kinda break on new databases. TODO still not an ideal - # solution, I guess. - session._default_language_id = 9 - return session + +def identifier_from_name(name): + """Make a string safe to use as an identifier. + + Valid characters are lowercase alphanumerics and "-". This function may + raise ValueError if it can't come up with a suitable identifier. + + This function is useful for scripts which add things with names. + """ + if isinstance(name, str): + identifier = name.decode('utf-8') + else: + identifier = name + identifier = identifier.lower() + identifier = identifier.replace(u'+', u' plus ') + identifier = re.sub(u'[ _–]+', u'-', identifier) + identifier = re.sub(u"['./;’(),:]", u'', identifier) + identifier = identifier.replace(u'é', u'e') + identifier = identifier.replace(u'♀', u'-f') + identifier = identifier.replace(u'♂', u'-m') + if identifier in (u'???', u'????'): + identifier = u'unknown' + elif identifier == u'!': + identifier = u'exclamation' + elif identifier == u'?': + identifier = u'question' + + if not identifier.replace(u"-", u"").isalnum(): + raise ValueError(identifier) + return identifier