在本地没有问题，部署heroku时出错了。
求助。。。。。
#!/usr/bin/env python
import os
COV = None
if os.environ.get('FLASK_COVERAGE'):
import coverage
COV = coverage.coverage(branch=True, include='app/*')
COV.start()
from app import create_app, db
from app.models import User, Follow, Role, Permission, Post, Comment
from flask.ext.script import Manager, Shell
from flask.ext.migrate import Migrate, MigrateCommand
app = create_app(os.getenv('FLASK_CONFIG') or 'default')
manager = Manager(app)
migrate = Migrate(app, db)
def make_shell_context():
return dict(app=app, db=db, User=User, Follow=Follow, Role=Role,
Permission=Permission, Post=Post, Comment=Comment)
manager.add_command("shell", Shell(make_context=make_shell_context))
manager.add_command('db', MigrateCommand)
@manager.command
def test(coverage=False):
"""Run the unit tests."""
if coverage and not os.environ.get('FLASK_COVERAGE'):
import sys
os.environ['FLASK_COVERAGE'] = '1'
os.execvp(sys.executable, [sys.executable] + sys.argv)
import unittest
tests = unittest.TestLoader().discover('tests')
unittest.TextTestRunner(verbosity=2).run(tests)
if COV:
COV.stop()
COV.save()
print('Coverage Summary:')
COV.report()
basedir = os.path.abspath(os.path.dirname(__file__))
covdir = os.path.join(basedir, 'tmp/coverage')
COV.html_report(directory=covdir)
print('HTML version: file://%s/index.html' % covdir)
COV.erase()
@manager.command
def profile(length=25, profile_dir=None):
"""Start the application under the code profiler."""
from werkzeug.contrib.profiler import ProfilerMiddleware
app.wsgi_app = ProfilerMiddleware(app.wsgi_app, restrictions=[length],
profile_dir=profile_dir)
app.run()
@manager.command
def deploy():
"""Run deployment tasks."""
from flask.ext.migrate import upgrade
from app.models import Role, User
# migrate database to latest revision
upgrade()
# create user roles
Role.insert_roles()
# create self-follows for all users
User.add_self_follows()
if __name__ == '__main__':
manager.run()
(venv)JohntekiMacBook-Air:our-way johnlance$ heroku run python manage.py deploy
Running python manage.py deploy on ourway... up, run.4509
/app/.heroku/python/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py:800: UserWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True to suppress this warning.
warnings.warn('SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True to suppress this warning.')
INFO [alembic.runtime.migration] Context impl SQLiteImpl.
INFO [alembic.runtime.migration] Will assume non-transactional DDL.
INFO [alembic.runtime.migration] Running upgrade -> 38c4e85512a9, initial migration
INFO [alembic.runtime.migration] Running upgrade 38c4e85512a9 -> 456a945560f6, login support
INFO [alembic.runtime.migration] Running upgrade 456a945560f6 -> cd5e7b840291, empty message
INFO [alembic.runtime.migration] Running upgrade -> 5626ef4027e5, empty message
Traceback (most recent call last):
File "manage.py", line 74, in <module>
manager.run()
File "/app/.heroku/python/lib/python2.7/site-packages/flask_script/__init__.py", line 412, in run
result = self.handle(sys.argv[0], sys.argv[1:])
File "/app/.heroku/python/lib/python2.7/site-packages/flask_script/__init__.py", line 383, in handle
res = handle(*args, **config)
File "/app/.heroku/python/lib/python2.7/site-packages/flask_script/commands.py", line 216, in __call__
return self.run(*args, **kwargs)
File "manage.py", line 64, in deploy
upgrade()
File "/app/.heroku/python/lib/python2.7/site-packages/flask_migrate/__init__.py", line 216, in upgrade
command.upgrade(config, revision, sql=sql, tag=tag)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/command.py", line 174, in upgrade
script.run_env()
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/script/base.py", line 397, in run_env
util.load_python_file(self.dir, 'env.py')
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/util/pyfiles.py", line 81, in load_python_file
module = load_module_py(module_id, path)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/util/compat.py", line 79, in load_module_py
mod = imp.load_source(module_id, path, fp)
File "migrations/env.py", line 72, in <module>
run_migrations_online()
File "migrations/env.py", line 65, in run_migrations_online
context.run_migrations()
File "<string>", line 8, in run_migrations
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/runtime/environment.py", line 797, in run_migrations
self.get_context().run_migrations(**kw)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/runtime/migration.py", line 312, in run_migrations
step.migration_fn(**kw)
File "/app/migrations/versions/5626ef4027e5_.py", line 23, in upgrade
sa.UniqueConstraint('name')
File "<string>", line 8, in create_table
File "<string>", line 3, in create_table
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/operations/ops.py", line 1098, in create_table
return operations.invoke(op)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/operations/base.py", line 318, in invoke
return fn(self, operation)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/operations/toimpl.py", line 101, in create_table
operations.impl.create_table(table)
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/ddl/impl.py", line 194, in create_table
self._exec(schema.CreateTable(table))
File "/app/.heroku/python/lib/python2.7/site-packages/alembic/ddl/impl.py", line 118, in _exec
return conn.execute(construct, *multiparams, **params)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 914, in execute
return meth(self, multiparams, params)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/sql/ddl.py", line 68, in _execute_on_connection
return connection._execute_ddl(self, multiparams, params)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 968, in _execute_ddl
compiled
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1146, in _execute_context
context)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1341, in _handle_dbapi_exception
exc_info
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 200, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1139, in _execute_context
context)
File "/app/.heroku/python/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 450, in do_execute
cursor.execute(statement, parameters)
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) table roles already exists [SQL: u'\nCREATE TABLE roles (\n\tid INTEGER NOT NULL, \n\tname VARCHAR(64), \n\tPRIMARY KEY (id), \n\tUNIQUE (name)\n)\n\n']roles表已存在，删表重来