231 lines
6.5 KiB
Python
231 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import os
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import MySQLdb
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from werkzeug.wrappers import Request
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from werkzeug.local import LocalManager
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from werkzeug.exceptions import HTTPException, NotFound
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from werkzeug.contrib.profiler import ProfilerMiddleware
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from werkzeug.wsgi import SharedDataMiddleware
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import frappe
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import frappe.handler
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import frappe.auth
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import frappe.api
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import frappe.async
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import frappe.utils.response
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import frappe.website.render
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from frappe.utils import get_site_name
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from frappe.middlewares import StaticDataMiddleware
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from frappe.utils.error import make_error_snapshot
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from frappe.core.doctype.communication.comment import update_comments_in_parent_after_request
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from frappe import _
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local_manager = LocalManager([frappe.local])
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_site = None
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_sites_path = os.environ.get("SITES_PATH", ".")
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class RequestContext(object):
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def __init__(self, environ):
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self.request = Request(environ)
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def __enter__(self):
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init_request(self.request)
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def __exit__(self, type, value, traceback):
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frappe.destroy()
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@Request.application
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def application(request):
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response = None
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try:
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rollback = True
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init_request(request)
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if frappe.local.form_dict.cmd:
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response = frappe.handler.handle()
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elif frappe.request.path.startswith("/api/"):
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if frappe.local.form_dict.data is None:
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frappe.local.form_dict.data = request.get_data()
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response = frappe.api.handle()
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elif frappe.request.path.startswith('/backups'):
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response = frappe.utils.response.download_backup(request.path)
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elif frappe.request.path.startswith('/private/files/'):
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response = frappe.utils.response.download_private_file(request.path)
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elif frappe.local.request.method in ('GET', 'HEAD', 'POST'):
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response = frappe.website.render.render()
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else:
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raise NotFound
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except HTTPException as e:
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return e
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except frappe.SessionStopped as e:
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response = frappe.utils.response.handle_session_stopped()
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except Exception as e:
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response = handle_exception(e)
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else:
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rollback = after_request(rollback)
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finally:
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if frappe.local.request.method in ("POST", "PUT") and frappe.db and rollback:
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frappe.db.rollback()
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# set cookies
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if response and hasattr(frappe.local, 'cookie_manager'):
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frappe.local.cookie_manager.flush_cookies(response=response)
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frappe.destroy()
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return response
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def init_request(request):
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frappe.local.request = request
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frappe.local.is_ajax = frappe.get_request_header("X-Requested-With")=="XMLHttpRequest"
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site = _site or request.headers.get('X-Frappe-Site-Name') or get_site_name(request.host)
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frappe.init(site=site, sites_path=_sites_path)
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if not (frappe.local.conf and frappe.local.conf.db_name):
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# site does not exist
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raise NotFound
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if frappe.local.conf.get('maintenance_mode'):
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raise frappe.SessionStopped
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make_form_dict(request)
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frappe.local.http_request = frappe.auth.HTTPRequest()
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def make_form_dict(request):
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frappe.local.form_dict = frappe._dict({ k:v[0] if isinstance(v, (list, tuple)) else v \
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for k, v in (request.form or request.args).iteritems() })
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if "_" in frappe.local.form_dict:
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# _ is passed by $.ajax so that the request is not cached by the browser. So, remove _ from form_dict
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frappe.local.form_dict.pop("_")
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def handle_exception(e):
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response = None
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http_status_code = getattr(e, "http_status_code", 500)
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return_as_message = False
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if frappe.local.is_ajax or 'application/json' in frappe.local.request.headers.get('Accept', ''):
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# handle ajax responses first
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# if the request is ajax, send back the trace or error message
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response = frappe.utils.response.report_error(http_status_code)
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elif (http_status_code==500
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and isinstance(e, MySQLdb.OperationalError)
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and e.args[0] in (1205, 1213)):
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# 1205 = lock wait timeout
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# 1213 = deadlock
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# code 409 represents conflict
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http_status_code = 508
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elif http_status_code==401:
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frappe.respond_as_web_page(_("Session Expired"),
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_("Your session has expired, please login again to continue."),
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http_status_code=http_status_code, indicator_color='red')
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return_as_message = True
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elif http_status_code==403:
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frappe.respond_as_web_page(_("Not Permitted"),
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_("You do not have enough permissions to complete the action"),
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http_status_code=http_status_code, indicator_color='red')
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return_as_message = True
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elif http_status_code==404:
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frappe.respond_as_web_page(_("Not Found"),
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_("The resource you are looking for is not available"),
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http_status_code=http_status_code, indicator_color='red')
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return_as_message = True
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else:
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traceback = "<pre>"+frappe.get_traceback()+"</pre>"
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if frappe.local.flags.disable_traceback:
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traceback = ""
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frappe.respond_as_web_page("Server Error",
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traceback, http_status_code=http_status_code,
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indicator_color='red')
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return_as_message = True
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if e.__class__ == frappe.AuthenticationError:
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if hasattr(frappe.local, "login_manager"):
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frappe.local.login_manager.clear_cookies()
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if http_status_code >= 500:
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frappe.logger().error('Request Error', exc_info=True)
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make_error_snapshot(e)
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if return_as_message:
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response = frappe.website.render.render("message", http_status_code=http_status_code)
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return response
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def after_request(rollback):
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if (frappe.local.request.method in ("POST", "PUT") or frappe.local.flags.commit) and frappe.db:
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if frappe.db.transaction_writes:
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frappe.db.commit()
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rollback = False
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# update session
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if getattr(frappe.local, "session_obj", None):
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updated_in_db = frappe.local.session_obj.update()
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if updated_in_db:
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frappe.db.commit()
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rollback = False
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update_comments_in_parent_after_request()
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return rollback
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application = local_manager.make_middleware(application)
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def serve(port=8000, profile=False, site=None, sites_path='.'):
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global application, _site, _sites_path
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_site = site
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_sites_path = sites_path
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from werkzeug.serving import run_simple
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if profile:
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application = ProfilerMiddleware(application, sort_by=('cumtime', 'calls'))
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if not os.environ.get('NO_STATICS'):
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application = SharedDataMiddleware(application, {
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b'/assets': os.path.join(sites_path, 'assets').encode("utf-8"),
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})
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application = StaticDataMiddleware(application, {
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b'/files': os.path.abspath(sites_path).encode("utf-8")
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})
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application.debug = True
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application.config = {
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'SERVER_NAME': 'localhost:8000'
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}
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in_test_env = os.environ.get('CI')
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run_simple('0.0.0.0', int(port), application,
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use_reloader=not in_test_env,
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use_debugger=not in_test_env,
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use_evalex=not in_test_env,
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threaded=True)
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