veekun_pokedex/pokedex/__init__.py

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# encoding: utf8
import sys
from .db import connect, metadata
def main():
if len(sys.argv) <= 1:
help()
command = sys.argv[1]
args = sys.argv[2:]
# Find the command as a function in this file
func = globals().get(command, None)
if func and callable(func) and command != 'main':
func(*args)
else:
help()
def csvimport(engine_uri, dir='.'):
import csv
from sqlalchemy.orm.attributes import instrumentation_registry
session = connect(engine_uri)
metadata.create_all()
# This is a secret attribute on a secret singleton of a secret class that
# appears to hopefully contain all registered classes as keys.
# There is no other way to accomplish this, as far as I can tell.
# Fuck.
for table in sorted(instrumentation_registry.manager_finders.keys(),
key=lambda self: self.__table__.name):
table_name = table.__table__.name
print table_name
reader = csv.reader(open("%s/%s.csv" % (dir, table_name), 'rb'), lineterminator='\n')
columns = [unicode(column) for column in reader.next()]
for csvs in reader:
row = table()
for column, value in zip(columns, csvs):
value = value.decode('utf-8')
setattr(row, column, value)
session.add(row)
session.commit()
def csvexport(engine_uri, dir='.'):
import csv
session = connect(engine_uri)
for table_name in sorted(metadata.tables.keys()):
print table_name
table = metadata.tables[table_name]
writer = csv.writer(open("%s/%s.csv" % (dir, table_name), 'wb'), lineterminator='\n')
columns = [col.name for col in table.columns]
writer.writerow(columns)
for row in session.query(table).all():
csvs = []
for col in columns:
# Convert Pythony values to something more universal
val = getattr(row, col)
if val == None:
val = ''
elif val == True:
val = '1'
elif val == False:
val = '0'
else:
val = unicode(val).encode('utf-8')
csvs.append(val)
writer.writerow(csvs)
def help():
print u"""pokedex -- a command-line Pokédex interface
help Displays this message.
These commands are only useful for developers:
csvimport {uri} [dir] Import data from a set of CSVs to the database
given by the URI.
csvexport {uri} [dir] Export data from the database given by the URI
to a set of CSVs.
Directory defaults to cwd.
"""
sys.exit(0)