# Path: loom/util.py
# @contextlib.contextmanager
# def csv_reader(filename):
#     with open_compressed(filename, 'rb') as f:
#         yield csv.reader(f)
# 
# Path: loom/util.py
# @contextlib.contextmanager
# def csv_writer(filename):
#     with open_compressed(filename, 'wb') as f:
#         yield csv.writer(f)
# 
# Path: loom/util.py
# class LoomError(Exception):
#     pass


import os
import shutil
import parsable
import loom.util
import loom.schema
import loom.schema_pb2
import loom.cFormat
import loom.documented
from itertools import cycle
from itertools import izip
from contextlib2 import ExitStack
from collections import defaultdict
from distributions.dbg.models import dpd
from distributions.fileutil import tempdir
from distributions.io.stream import json_dump
from distributions.io.stream import json_load
from distributions.io.stream import open_compressed
from distributions.io.stream import protobuf_stream_load
from loom.util import csv_reader
from loom.util import csv_writer
from loom.util import LoomError
FAKE_ENCODER_BUILDERS['dd'] = CategoricalFakeEncoderBuilder
FAKE_ENCODER_BUILDERS['dpd'] = CategoricalFakeEncoderBuilder


def load_encoder(encoder):
    model = encoder['model']
    if 'symbols' in encoder:
        encode = encoder['symbols'].__getitem__
    elif model == 'bb':
        encode = BOOLEAN_SYMBOLS.__getitem__
    else:
        encode = loom.schema.MODELS[model].Value
    return encode


def load_decoder(encoder):
    model = encoder['model']
    if 'symbols' in encoder:
        decoder = {value: key for key, value in encoder['symbols'].iteritems()}
        decode = decoder.__getitem__
    elif model == 'bb':
        decode = ('0', '1').__getitem__
    else:
        decode = str
    return decode


def _make_encoder_builders_file((schema_in, rows_in)):
    assert os.path.isfile(rows_in)
    schema = json_load(schema_in)

# Path: loom/util.py
# @contextlib.contextmanager
# def csv_reader(filename):
#     with open_compressed(filename, 'rb') as f:
#         yield csv.reader(f)
# 
# Path: loom/util.py
# @contextlib.contextmanager
# def csv_writer(filename):
#     with open_compressed(filename, 'wb') as f:
#         yield csv.writer(f)
# 
# Path: loom/util.py
# class LoomError(Exception):
#     pass


# Path: loom/format.py
import os
import shutil
import parsable
import loom.util
import loom.schema
import loom.schema_pb2
import loom.cFormat
import loom.documented
from itertools import cycle
from itertools import izip
from contextlib2 import ExitStack
from collections import defaultdict
from distributions.dbg.models import dpd
from distributions.fileutil import tempdir
from distributions.io.stream import json_dump
from distributions.io.stream import json_load
from distributions.io.stream import open_compressed
from distributions.io.stream import protobuf_stream_load
from loom.util import csv_reader
from loom.util import csv_writer
from loom.util import LoomError

FAKE_ENCODER_BUILDERS['dd'] = CategoricalFakeEncoderBuilder
FAKE_ENCODER_BUILDERS['dpd'] = CategoricalFakeEncoderBuilder


def load_encoder(encoder):
    model = encoder['model']
    if 'symbols' in encoder:
        encode = encoder['symbols'].__getitem__
    elif model == 'bb':
        encode = BOOLEAN_SYMBOLS.__getitem__
    else:
        encode = loom.schema.MODELS[model].Value
    return encode


def load_decoder(encoder):
    model = encoder['model']
    if 'symbols' in encoder:
        decoder = {value: key for key, value in encoder['symbols'].iteritems()}
        decode = decoder.__getitem__
    elif model == 'bb':
        decode = ('0', '1').__getitem__
    else:
        decode = str
    return decode


def _make_encoder_builders_file((schema_in, rows_in)):
    assert os.path.isfile(rows_in)
    schema = json_load(schema_in)

    with csv_reader(rows_in) as reader: