mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-27 01:57:33 +00:00
150 lines
4 KiB
Python
150 lines
4 KiB
Python
try:
|
|
from flask_sqlalchemy import get_debug_queries, SQLAlchemy
|
|
except ImportError:
|
|
sqlalchemy_available = False
|
|
get_debug_queries = SQLAlchemy = None
|
|
else:
|
|
sqlalchemy_available = True
|
|
|
|
from flask import request, current_app, abort, json_available, g
|
|
from flask_debugtoolbar import module
|
|
from flask_debugtoolbar.panels import DebugPanel
|
|
from flask_debugtoolbar.utils import format_fname, format_sql
|
|
import itsdangerous
|
|
|
|
|
|
_ = lambda x: x
|
|
|
|
|
|
def query_signer():
|
|
return itsdangerous.URLSafeSerializer(current_app.config['SECRET_KEY'],
|
|
salt='fdt-sql-query')
|
|
|
|
|
|
def is_select(statement):
|
|
prefix = b'select' if isinstance(statement, bytes) else 'select'
|
|
return statement.lower().strip().startswith(prefix)
|
|
|
|
|
|
def dump_query(statement, params):
|
|
if not params or not is_select(statement):
|
|
return None
|
|
|
|
try:
|
|
return query_signer().dumps([statement, params])
|
|
except TypeError:
|
|
return None
|
|
|
|
|
|
def load_query(data):
|
|
try:
|
|
statement, params = query_signer().loads(request.args['query'])
|
|
except (itsdangerous.BadSignature, TypeError):
|
|
abort(406)
|
|
|
|
# Make sure it is a select statement
|
|
if not is_select(statement):
|
|
abort(406)
|
|
|
|
return statement, params
|
|
|
|
|
|
def extension_used():
|
|
return 'sqlalchemy' in current_app.extensions
|
|
|
|
|
|
def recording_enabled():
|
|
return (current_app.debug
|
|
or current_app.config.get('SQLALCHEMY_RECORD_QUERIES'))
|
|
|
|
|
|
def is_available():
|
|
return (json_available and sqlalchemy_available
|
|
and extension_used() and recording_enabled())
|
|
|
|
|
|
def get_queries():
|
|
if get_debug_queries:
|
|
return get_debug_queries()
|
|
else:
|
|
return []
|
|
|
|
|
|
class SQLAlchemyDebugPanel(DebugPanel):
|
|
"""
|
|
Panel that displays the time a response took in milliseconds.
|
|
"""
|
|
name = 'SQLAlchemy'
|
|
|
|
@property
|
|
def has_content(self):
|
|
return bool(get_queries()) or not is_available()
|
|
|
|
def process_request(self, request):
|
|
pass
|
|
|
|
def process_response(self, request, response):
|
|
pass
|
|
|
|
def nav_title(self):
|
|
return _('SQLAlchemy')
|
|
|
|
def nav_subtitle(self):
|
|
count = len(get_queries())
|
|
|
|
if not count and not is_available():
|
|
return 'Unavailable'
|
|
|
|
return '%d %s' % (count, 'query' if count == 1 else 'queries')
|
|
|
|
def title(self):
|
|
return _('SQLAlchemy queries')
|
|
|
|
def url(self):
|
|
return ''
|
|
|
|
def content(self):
|
|
queries = get_queries()
|
|
|
|
if not queries and not is_available():
|
|
return self.render('panels/sqlalchemy_error.html', {
|
|
'json_available': json_available,
|
|
'sqlalchemy_available': sqlalchemy_available,
|
|
'extension_used': extension_used(),
|
|
'recording_enabled': recording_enabled(),
|
|
})
|
|
|
|
data = []
|
|
for query in queries:
|
|
data.append({
|
|
'duration': query.duration,
|
|
'sql': format_sql(query.statement, query.parameters),
|
|
'signed_query': dump_query(query.statement, query.parameters),
|
|
'context_long': query.context,
|
|
'context': format_fname(query.context)
|
|
})
|
|
return self.render('panels/sqlalchemy.html', {'queries': data})
|
|
|
|
# Panel views
|
|
|
|
|
|
@module.route('/sqlalchemy/sql_select', methods=['GET', 'POST'])
|
|
@module.route('/sqlalchemy/sql_explain', methods=['GET', 'POST'],
|
|
defaults=dict(explain=True))
|
|
def sql_select(explain=False):
|
|
statement, params = load_query(request.args['query'])
|
|
engine = SQLAlchemy().get_engine(current_app)
|
|
|
|
if explain:
|
|
if engine.driver == 'pysqlite':
|
|
statement = 'EXPLAIN QUERY PLAN\n%s' % statement
|
|
else:
|
|
statement = 'EXPLAIN\n%s' % statement
|
|
|
|
result = engine.execute(statement, params)
|
|
return g.debug_toolbar.render('panels/sqlalchemy_select.html', {
|
|
'result': result.fetchall(),
|
|
'headers': result.keys(),
|
|
'sql': format_sql(statement, params),
|
|
'duration': float(request.args['duration']),
|
|
})
|