bundling required python dependencies, to make it easier on Tails users

lib/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: (c) 2011 by Armin Ronacher.
+    :license: BSD, see LICENSE for more details.
+"""
+
+__version__ = '0.10.1'
+
+# 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 .module import Module
+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
+
+# 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
+
+# backwards compat, goes away in 1.0
+from .sessions import SecureCookieSession as Session
+json_available = True