# Path: lib/logger.py
# def get_logger(name):
#     '''
#     Obtain a logger outputing to stderr with specified name. Defaults to INFO
#     log level.
#     '''
#     logger = logging.getLogger(name)
#     if LUIGI_LOG_ARG in sys.argv:
#         index = sys.argv.index(LUIGI_LOG_ARG) + 1
#         if len(sys.argv) > index:
#             logger.setLevel(sys.argv[index])
# 
#     return logger
# 
# Path: tasks/simplification.py
# class SimplifyGeometriesMapshaper(Task):
#     schema = Parameter()
#     table_input = Parameter()
#     table_output = Parameter(default='')
#     geomfield = Parameter(default=DEFAULT_GEOMFIELD)
#     retainfactor = Parameter(default=DEFAULT_P_RETAIN_FACTOR_MAPSHAPER)
#     skipfailures = Parameter(default=SKIPFAILURES_NO)
#     maxmemory = Parameter(default=DEFAULT_MAX_MEMORY)
# 
#     def __init__(self, *args, **kwargs):
#         super(SimplifyGeometriesMapshaper, self).__init__(*args, **kwargs)
# 
#     def requires(self):
#         return SimplifyShapefile(schema=self.schema, table_input=self.table_input, table_output=self.table_output,
#                                  geomfield=self.geomfield, retainfactor=self.retainfactor,
#                                  skipfailures=self.skipfailures, maxmemory=self.maxmemory)
# 
#     def run(self):
#         cmd = 'PG_USE_COPY=yes ' \
#               'ogr2ogr -f PostgreSQL "PG:dbname=$PGDATABASE active_schema={schema}" ' \
#               '-t_srs "EPSG:4326" -nlt MultiPolygon -nln {table} ' \
#               '-lco OVERWRITE=yes -lco PRECISION=no -lco GEOMETRY_NAME={geomfield} ' \
#               '-lco SCHEMA={schema} {shp_path} '.format(
#                     schema=self.output().schema,
#                     table=self.output().tablename,
#                     geomfield=self.geomfield,
#                     shp_path=os.path.join(self.input().path, shp_filename(self.table_output)))
#         shell(cmd)
# 
#         session = CurrentSession().get()
#         session.execute('UPDATE "{schema}".{table} '
#                         'SET {geomfield}=ST_CollectionExtract(ST_MakeValid({geomfield}), 3)'.format(
#                                 schema=self.output().schema, table=self.output().tablename, geomfield=self.geomfield))
#         session.commit()
# 
#     def output(self):
#         return PostgresTarget(self.schema, self.table_output)
# 
# class SimplifyGeometriesPostGIS(Task):
#     schema = Parameter()
#     table_input = Parameter()
#     table_output = Parameter()
#     geomfield = Parameter(default=DEFAULT_GEOMFIELD)
#     retainfactor = Parameter(default=DEFAULT_P_RETAIN_FACTOR_POSTGIS)
# 
#     def __init__(self, *args, **kwargs):
#         super(SimplifyGeometriesPostGIS, self).__init__(*args, **kwargs)
# 
#     def run(self):
#         session = CurrentSession().get()
# 
#         columns = session.execute("SELECT column_name "
#                                   "FROM information_schema.columns "
#                                   "WHERE table_schema = '{schema}' "
#                                   "AND table_name   = '{table}'".format(
#                                     schema=self.schema, table=self.table_input.lower())).fetchall()
# 
#         factor = simplification_factor(self.schema, self.table_input, self.geomfield, self.retainfactor)
# 
#         simplified_geomfield = 'ST_CollectionExtract(ST_MakeValid(ST_SimplifyVW({geomfield}, {factor})), 3) ' \
#                                '{geomfield}'.format(geomfield=self.geomfield, factor=factor)
# 
#         session.execute('CREATE TABLE "{schema}".{table_output} '
#                         'AS SELECT {fields} '
#                         'FROM "{schema}".{table_in} '.format(
#                             schema=self.output().schema, table_in=self.table_input,
#                             table_output=self.output().tablename,
#                             fields=', '.join([x[0] if x[0] != self.geomfield else simplified_geomfield
#                                              for x in columns])))
#         session.commit()
#         session.execute('CREATE INDEX {table_output}_{geomfield}_geo ON '
#                         '"{schema}".{table_output} USING GIST ({geomfield})'.format(
#                             table_output=self.output().tablename, geomfield=self.geomfield, schema=self.output().schema))
# 
#     def output(self):
#         return PostgresTarget(self.schema, self.table_output)
# 
# SIMPLIFIED_SUFFIX = '_simpl'


from luigi import WrapperTask, Parameter
from lib.logger import get_logger
from .simplification import SimplifyGeometriesMapshaper, \
    SimplifyGeometriesPostGIS, SIMPLIFIED_SUFFIX
import json
import os
        return json.load(file).get(table_id)


class Simplify(WrapperTask):
    schema = Parameter()
    table = Parameter()
    table_id = Parameter(default='')
    suffix = Parameter(default=SIMPLIFIED_SUFFIX)

    def __init__(self, *args, **kwargs):
        super(Simplify, self).__init__(*args, **kwargs)

        self.table_key = self.table
        if self.table_id:
            self.table_key = self.table_id

    def requires(self):
        params = get_simplification_params(self.table_key.lower())
        if not params:
            LOGGER.error("Simplification not found. Edit 'simplifications.json' and add an entry for '{}'".format(self.table_key.lower()))

        simplification = params.get(SIMPLIFICATION, DEFAULT_SIMPLIFICATION)
        LOGGER.info("Simplifying %s.%s using %s", self.schema, self.table, simplification)
        table_output = '{tablename}{suffix}'.format(tablename=self.table, suffix=self.suffix)
        if simplification == SIMPLIFICATION_MAPSHAPER:
            return SimplifyGeometriesMapshaper(schema=self.schema,
                                               table_input=self.table,
                                               table_output=table_output,
                                               geomfield=params[GEOM_FIELD],
                                               retainfactor=params[FACTOR],

# Path: lib/logger.py
# def get_logger(name):
#     '''
#     Obtain a logger outputing to stderr with specified name. Defaults to INFO
#     log level.
#     '''
#     logger = logging.getLogger(name)
#     if LUIGI_LOG_ARG in sys.argv:
#         index = sys.argv.index(LUIGI_LOG_ARG) + 1
#         if len(sys.argv) > index:
#             logger.setLevel(sys.argv[index])
# 
#     return logger
# 
# Path: tasks/simplification.py
# class SimplifyGeometriesMapshaper(Task):
#     schema = Parameter()
#     table_input = Parameter()
#     table_output = Parameter(default='')
#     geomfield = Parameter(default=DEFAULT_GEOMFIELD)
#     retainfactor = Parameter(default=DEFAULT_P_RETAIN_FACTOR_MAPSHAPER)
#     skipfailures = Parameter(default=SKIPFAILURES_NO)
#     maxmemory = Parameter(default=DEFAULT_MAX_MEMORY)
# 
#     def __init__(self, *args, **kwargs):
#         super(SimplifyGeometriesMapshaper, self).__init__(*args, **kwargs)
# 
#     def requires(self):
#         return SimplifyShapefile(schema=self.schema, table_input=self.table_input, table_output=self.table_output,
#                                  geomfield=self.geomfield, retainfactor=self.retainfactor,
#                                  skipfailures=self.skipfailures, maxmemory=self.maxmemory)
# 
#     def run(self):
#         cmd = 'PG_USE_COPY=yes ' \
#               'ogr2ogr -f PostgreSQL "PG:dbname=$PGDATABASE active_schema={schema}" ' \
#               '-t_srs "EPSG:4326" -nlt MultiPolygon -nln {table} ' \
#               '-lco OVERWRITE=yes -lco PRECISION=no -lco GEOMETRY_NAME={geomfield} ' \
#               '-lco SCHEMA={schema} {shp_path} '.format(
#                     schema=self.output().schema,
#                     table=self.output().tablename,
#                     geomfield=self.geomfield,
#                     shp_path=os.path.join(self.input().path, shp_filename(self.table_output)))
#         shell(cmd)
# 
#         session = CurrentSession().get()
#         session.execute('UPDATE "{schema}".{table} '
#                         'SET {geomfield}=ST_CollectionExtract(ST_MakeValid({geomfield}), 3)'.format(
#                                 schema=self.output().schema, table=self.output().tablename, geomfield=self.geomfield))
#         session.commit()
# 
#     def output(self):
#         return PostgresTarget(self.schema, self.table_output)
# 
# class SimplifyGeometriesPostGIS(Task):
#     schema = Parameter()
#     table_input = Parameter()
#     table_output = Parameter()
#     geomfield = Parameter(default=DEFAULT_GEOMFIELD)
#     retainfactor = Parameter(default=DEFAULT_P_RETAIN_FACTOR_POSTGIS)
# 
#     def __init__(self, *args, **kwargs):
#         super(SimplifyGeometriesPostGIS, self).__init__(*args, **kwargs)
# 
#     def run(self):
#         session = CurrentSession().get()
# 
#         columns = session.execute("SELECT column_name "
#                                   "FROM information_schema.columns "
#                                   "WHERE table_schema = '{schema}' "
#                                   "AND table_name   = '{table}'".format(
#                                     schema=self.schema, table=self.table_input.lower())).fetchall()
# 
#         factor = simplification_factor(self.schema, self.table_input, self.geomfield, self.retainfactor)
# 
#         simplified_geomfield = 'ST_CollectionExtract(ST_MakeValid(ST_SimplifyVW({geomfield}, {factor})), 3) ' \
#                                '{geomfield}'.format(geomfield=self.geomfield, factor=factor)
# 
#         session.execute('CREATE TABLE "{schema}".{table_output} '
#                         'AS SELECT {fields} '
#                         'FROM "{schema}".{table_in} '.format(
#                             schema=self.output().schema, table_in=self.table_input,
#                             table_output=self.output().tablename,
#                             fields=', '.join([x[0] if x[0] != self.geomfield else simplified_geomfield
#                                              for x in columns])))
#         session.commit()
#         session.execute('CREATE INDEX {table_output}_{geomfield}_geo ON '
#                         '"{schema}".{table_output} USING GIST ({geomfield})'.format(
#                             table_output=self.output().tablename, geomfield=self.geomfield, schema=self.output().schema))
# 
#     def output(self):
#         return PostgresTarget(self.schema, self.table_output)
# 
# SIMPLIFIED_SUFFIX = '_simpl'


# Path: tasks/simplify.py
from luigi import WrapperTask, Parameter
from lib.logger import get_logger
from .simplification import SimplifyGeometriesMapshaper, \
    SimplifyGeometriesPostGIS, SIMPLIFIED_SUFFIX
import json
import os

        return json.load(file).get(table_id)


class Simplify(WrapperTask):
    schema = Parameter()
    table = Parameter()
    table_id = Parameter(default='')
    suffix = Parameter(default=SIMPLIFIED_SUFFIX)

    def __init__(self, *args, **kwargs):
        super(Simplify, self).__init__(*args, **kwargs)

        self.table_key = self.table
        if self.table_id:
            self.table_key = self.table_id

    def requires(self):
        params = get_simplification_params(self.table_key.lower())
        if not params:
            LOGGER.error("Simplification not found. Edit 'simplifications.json' and add an entry for '{}'".format(self.table_key.lower()))

        simplification = params.get(SIMPLIFICATION, DEFAULT_SIMPLIFICATION)
        LOGGER.info("Simplifying %s.%s using %s", self.schema, self.table, simplification)
        table_output = '{tablename}{suffix}'.format(tablename=self.table, suffix=self.suffix)
        if simplification == SIMPLIFICATION_MAPSHAPER:
            return SimplifyGeometriesMapshaper(schema=self.schema,
                                               table_input=self.table,
                                               table_output=table_output,
                                               geomfield=params[GEOM_FIELD],
                                               retainfactor=params[FACTOR],

                                               skipfailures=params.get(SKIP_FAILURES, DEFAULT_SKIPFAILURES),