def __init__(self, config):
self.config = config
self._buffer = ''
self.no_response = object()
self.prompt = '>> '
if HAS_READLINE and config['terms_history_file'] and int(config['terms_history_length']):
readline.set_history_length(int(config['terms_history_length']))
fn = os.path.expanduser(config['terms_history_file'])
try:
if not os.path.exists(fn):
with open(fn, 'w') as f:
f.write('# terms history\n')
readline.read_history_file(fn)
except Exception:
pass
address = '%s/%s' % (config['dbms'], config['dbname'])
engine = create_engine(address)
Session = sessionmaker(bind=engine)
if config['dbname'] == ':memory:':
from terms.core.terms import Base
Base.metadata.create_all(engine)
from terms.core.network import Network
Network.initialize(Session())
self.compiler = Compiler(Session(), config)
register_exec_global(Runtime(self.compiler), name='runtime')
def run(self):
for client in iter(self.teller_queue.get, None):
totell = []
for msg in iter(client.recv_bytes, b'FINISH-TERMS'):
totell.append(msg.decode('utf8'))
totell = '\n'.join(totell)
session = self.session_factory()
self.compiler = Compiler(session, self.config)
register_exec_global(Runtime(self.compiler), name='runtime')
load_exec_globals(session)
if totell.startswith('lexicon:'):
resp = self._from_lexicon(totell)
elif totell.startswith('compiler:exec_globals:'):
resp = self._add_execglobal(totell)
else:
self.compiler.network.pipe = client
try:
resp = self.compiler.parse(totell)
except TermNotFound as e:
session.rollback()
resp = 'Unknown word: ' + e.args[0]
except TermsSyntaxError as e:
session.rollback()
resp = 'Terms syntax error: ' + e.args[0]
except WrongLabel as e:
session.rollback()
resp = e.args[0]
except IllegalLabel as e:
session.rollback()
resp = 'Error: labels cannot contain underscores: %s' % e.args[0]
except WrongObjectType as e:
session.rollback()
resp = e.args[0]
except ImportProblems as e:
session.rollback()
resp = e.args[0]
except DuplicateWord as e:
session.rollback()
resp = e.args[0]
self.compiler.network.pipe = None
resp = json.dumps(resp, cls=TermsJSONEncoder)
try:
client.send_bytes(str(resp).encode('utf8'))
except BrokenPipeError:
pass
else:
client.send_bytes(b'END')
client.close()
session.close() # XXX needed?
self.compliler = None
self.teller_queue.task_done() # abyss
self.teller_queue.task_done()
self.teller_queue.close()
