|
1
|
|
|
from __future__ import with_statement |
|
2
|
|
|
|
|
3
|
|
|
from alembic import context |
|
4
|
|
|
from sqlalchemy import engine_from_config, pool |
|
5
|
|
|
|
|
6
|
|
|
# this is the Alembic Config object, which provides |
|
7
|
|
|
# access to the values within the .ini file in use. |
|
8
|
|
|
config = context.config |
|
9
|
|
|
|
|
10
|
|
|
# Interpret the config file for Python logging. |
|
11
|
|
|
# This line sets up loggers basically. |
|
12
|
|
|
# from logging.config import fileConfig |
|
13
|
|
|
# fileConfig(config.config_file_name) |
|
14
|
|
|
|
|
15
|
|
|
# add your model's MetaData object here |
|
16
|
|
|
# for 'autogenerate' support |
|
17
|
|
|
# from myapp import mymodel |
|
18
|
|
|
# target_metadata = mymodel.Base.metadata |
|
19
|
|
|
from pyjobsweb import model |
|
20
|
|
|
target_metadata = model.metadata |
|
21
|
|
|
|
|
22
|
|
|
# other values from the config, defined by the needs of env.py, |
|
23
|
|
|
# can be acquired: |
|
24
|
|
|
# my_important_option = config.get_main_option("my_important_option") |
|
25
|
|
|
# ... etc. |
|
26
|
|
|
|
|
27
|
|
|
|
|
28
|
|
|
def run_migrations_offline(): |
|
29
|
|
|
"""Run migrations in 'offline' mode. |
|
30
|
|
|
|
|
31
|
|
|
This configures the context with just a URL |
|
32
|
|
|
and not an Engine, though an Engine is acceptable |
|
33
|
|
|
here as well. By skipping the Engine creation |
|
34
|
|
|
we don't even need a DBAPI to be available. |
|
35
|
|
|
|
|
36
|
|
|
Calls to context.execute() here emit the given string to the |
|
37
|
|
|
script output. |
|
38
|
|
|
|
|
39
|
|
|
""" |
|
40
|
|
|
url = config.get_main_option("sqlalchemy.url") |
|
41
|
|
|
context.configure(url=url, version_table='migrate_version') |
|
42
|
|
|
|
|
43
|
|
|
with context.begin_transaction(): |
|
44
|
|
|
context.run_migrations() |
|
45
|
|
|
|
|
46
|
|
|
|
|
47
|
|
|
def run_migrations_online(): |
|
48
|
|
|
"""Run migrations in 'online' mode. |
|
49
|
|
|
|
|
50
|
|
|
In this scenario we need to create an Engine |
|
51
|
|
|
and associate a connection with the context. |
|
52
|
|
|
|
|
53
|
|
|
""" |
|
54
|
|
|
engine = engine_from_config( |
|
55
|
|
|
config.get_section(config.config_ini_section), |
|
56
|
|
|
prefix='sqlalchemy.', |
|
57
|
|
|
poolclass=pool.NullPool |
|
58
|
|
|
) |
|
59
|
|
|
|
|
60
|
|
|
connection = engine.connect() |
|
61
|
|
|
context.configure( |
|
62
|
|
|
connection=connection, |
|
63
|
|
|
target_metadata=target_metadata, |
|
64
|
|
|
version_table='migrate_version' |
|
65
|
|
|
) |
|
66
|
|
|
|
|
67
|
|
|
try: |
|
68
|
|
|
with context.begin_transaction(): |
|
69
|
|
|
context.run_migrations() |
|
70
|
|
|
finally: |
|
71
|
|
|
connection.close() |
|
72
|
|
|
|
|
73
|
|
|
|
|
74
|
|
|
if context.is_offline_mode(): |
|
75
|
|
|
run_migrations_offline() |
|
76
|
|
|
else: |
|
77
|
|
|
run_migrations_online() |
|
78
|
|
|
|
pyjobs /
web
