move to src directory

src/flask/__init__.py

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+# -*- coding: utf-8 -*-
+"""
+    flask
+    ~~~~~
+
+    A microframework based on Werkzeug.  It's extensively documented
+    and follows best practice patterns.
+
+    :copyright: © 2010 by the Pallets team.
+    :license: BSD, see LICENSE for more details.
+"""
+
+__version__ = "1.1.dev"
+
+# utilities we import from Werkzeug and Jinja2 that are unused
+# in the module but are exported as public interface.
+from werkzeug.exceptions import abort
+from werkzeug.utils import redirect
+from jinja2 import Markup, escape
+
+from .app import Flask, Request, Response
+from .config import Config
+from .helpers import (
+    url_for,
+    flash,
+    send_file,
+    send_from_directory,
+    get_flashed_messages,
+    get_template_attribute,
+    make_response,
+    safe_join,
+    stream_with_context,
+)
+from .globals import (
+    current_app,
+    g,
+    request,
+    session,
+    _request_ctx_stack,
+    _app_ctx_stack,
+)
+from .ctx import (
+    has_request_context,
+    has_app_context,
+    after_this_request,
+    copy_current_request_context,
+)
+from .blueprints import Blueprint
+from .templating import render_template, render_template_string
+
+# the signals
+from .signals import (
+    signals_available,
+    template_rendered,
+    request_started,
+    request_finished,
+    got_request_exception,
+    request_tearing_down,
+    appcontext_tearing_down,
+    appcontext_pushed,
+    appcontext_popped,
+    message_flashed,
+    before_render_template,
+)
+
+# We're not exposing the actual json module but a convenient wrapper around
+# it.
+from . import json
+
+# This was the only thing that Flask used to export at one point and it had
+# a more generic name.
+jsonify = json.jsonify