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file_server.py
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file_server.py
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#!/usr/bin/env python
import sys
import re
import types
from pathlib import Path
from itertools import dropwhile, takewhile
class PathDecorator:
def __init__(self, path):
self.path = path
@property
def name(self):
name = self.path.name
if self.path.is_dir():
name = name + "/"
return name
def is_hidden(self):
return self.path.name.startswith(".")
def _content_between_delimiter(delimiter):
comment_prefix = re.compile(r"^#\s?")
with open(__file__, "r") as f:
framework_code = dropwhile(lambda l: l.strip() != delimiter, f)
# Skip the delimiter line
next(framework_code)
framework_code = "".join(
[
# Remove all the preceding comments
comment_prefix.sub("", l)
for l in takewhile(lambda l: l.strip() != delimiter, framework_code)
]
)
return framework_code
def get_css():
return _content_between_delimiter("# CSS")
def get_js():
return _content_between_delimiter("# JS")
def get_bottle_module():
framework_code = _content_between_delimiter("# BOTTLEPY")
bottle_module = types.ModuleType("bottle")
bottle_module.__file__ = __file__
exec(framework_code, bottle_module.__dict__)
return bottle_module
bottle = get_bottle_module()
INDEX_PAGE = """
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>File Browser</title>
<style>
{{CSS}}
</style>
<script type="application/javascript">
{{!JS}}
</script>
</head>
<body>
<h2>Upload File</h2>
<form id="upload_form" enctype="multipart/form-data" method="post">
<label>Target Directory:
<input type="text" name="target_directory" id="target_directory"/>
</label>
<label>Select Files:
<input type="file" name="upload" id="upload_file" multiple><br>
</label>
<input type="button" value="Send" onclick="uploadFile()">
</form>
<br />
<ul>
%for node in contents:
<li>
<a href="{{node.path}}">{{node.name}}</a>
</li>
%end
</ul>
</body>
</html>
"""
CSS = get_css()
JS = get_js()
# Use the passed in argument for path if not use the current working directory
ROOT_PATH = (
Path(sys.argv[1]).absolute().resolve() if 1 < len(sys.argv) else Path().resolve()
)
fallback_upload_path = Path(ROOT_PATH).joinpath("uploads")
fallback_upload_path.mkdir(parents=True, exist_ok=True)
UPLOAD_PATH = sys.argv[2] if len(sys.argv) >= 3 else str(fallback_upload_path)
print(f"\nServing from {ROOT_PATH}\n")
print(f"\nUploads will be received to {UPLOAD_PATH}\n")
def _root_layout(**contents):
arguments = dict(CSS=CSS, JS=JS, **contents)
return bottle.template(INDEX_PAGE, **arguments)
def _render_directory_listing(path: Path):
files = []
dirs = []
# To split the dirs and files
for node in path.iterdir():
if node.is_dir():
dirs.append(node)
else:
files.append(node)
# Dirs come before files in the list
files_and_directories_in_path = [PathDecorator(p) for p in [*dirs, *files]]
files_and_directories_in_path = filter(
lambda n: not n.is_hidden(), files_and_directories_in_path
)
return _root_layout(contents=files_and_directories_in_path)
@bottle.post("/upload")
def upload():
target_directory = bottle.request.params.get('target_directory')
upload = bottle.request.files.get("upload")
upload_path = UPLOAD_PATH
if target_directory:
upload_path = Path(UPLOAD_PATH).joinpath(target_directory)
upload_path.mkdir(parents=True, exist_ok=True)
# Read as 4MB chunks
upload.save(str(upload_path), chunk_size=(1024 * 1024 * 4))
return "OK"
@bottle.get("/")
@bottle.get("<path:path>")
def root(path=ROOT_PATH):
requested_path = Path(path)
if requested_path.name == "favicon.ico":
bottle.abort(404)
elif requested_path.is_dir():
print(f"Serving directory {requested_path}")
return _render_directory_listing(requested_path)
else:
filename = requested_path.name
print(f"Serving file {filename}")
return bottle.static_file(
str(requested_path.relative_to(ROOT_PATH)),
root=ROOT_PATH,
download=filename,
)
def main():
bottle.run(host="0.0.0.0", port=8080)
if __name__ == "__main__":
main()
# FRAMEWORK EMBEDDED IN THE SAME FILE TO KEEP IT IN A SINGLE FILE
# BOTTLEPY
# #!/usr/bin/env python
# # -*- coding: utf-8 -*-
# """
# Bottle is a fast and simple micro-framework for small web applications. It
# offers request dispatching (Routes) with URL parameter support, templates,
# a built-in HTTP Server and adapters for many third party WSGI/HTTP-server and
# template engines - all in a single file and with no dependencies other than the
# Python Standard Library.
#
# Homepage and documentation: http://bottlepy.org/
#
# Copyright (c) 2009-2018, Marcel Hellkamp.
# License: MIT (see LICENSE for details)
# """
#
# from __future__ import print_function
# import sys
#
# __author__ = 'Marcel Hellkamp'
# __version__ = '0.13-dev'
# __license__ = 'MIT'
#
# ###############################################################################
# # Command-line interface ######################################################
# ###############################################################################
# # INFO: Some server adapters need to monkey-patch std-lib modules before they
# # are imported. This is why some of the command-line handling is done here, but
# # the actual call to _main() is at the end of the file.
#
#
# def _cli_parse(args): # pragma: no coverage
# from argparse import ArgumentParser
#
# parser = ArgumentParser(prog=args[0], usage="%(prog)s [options] package.module:app")
# opt = parser.add_argument
# opt("--version", action="store_true", help="show version number.")
# opt("-b", "--bind", metavar="ADDRESS", help="bind socket to ADDRESS.")
# opt("-s", "--server", default='wsgiref', help="use SERVER as backend.")
# opt("-p", "--plugin", action="append", help="install additional plugin/s.")
# opt("-c", "--conf", action="append", metavar="FILE",
# help="load config values from FILE.")
# opt("-C", "--param", action="append", metavar="NAME=VALUE",
# help="override config values.")
# opt("--debug", action="store_true", help="start server in debug mode.")
# opt("--reload", action="store_true", help="auto-reload on file changes.")
# opt('app', help='WSGI app entry point.', nargs='?')
#
# cli_args = parser.parse_args(args[1:])
#
# return cli_args, parser
#
#
# def _cli_patch(cli_args): # pragma: no coverage
# parsed_args, _ = _cli_parse(cli_args)
# opts = parsed_args
# if opts.server:
# if opts.server.startswith('gevent'):
# import gevent.monkey
# gevent.monkey.patch_all()
# elif opts.server.startswith('eventlet'):
# import eventlet
# eventlet.monkey_patch()
#
#
# if __name__ == '__main__':
# _cli_patch(sys.argv)
#
# ###############################################################################
# # Imports and Python 2/3 unification ##########################################
# ###############################################################################
#
# import base64, calendar, cgi, email.utils, functools, hmac, itertools,\
# mimetypes, os, re, tempfile, threading, time, warnings, weakref, hashlib
#
# from types import FunctionType
# from datetime import date as datedate, datetime, timedelta
# from tempfile import NamedTemporaryFile
# from traceback import format_exc, print_exc
# from unicodedata import normalize
#
# try:
# from ujson import dumps as json_dumps, loads as json_lds
# except ImportError:
# from json import dumps as json_dumps, loads as json_lds
#
# py = sys.version_info
# py3k = py.major > 2
#
# # Lots of stdlib and builtin differences.
# if py3k:
# import http.client as httplib
# import _thread as thread
# from urllib.parse import urljoin, SplitResult as UrlSplitResult
# from urllib.parse import urlencode, quote as urlquote, unquote as urlunquote
# urlunquote = functools.partial(urlunquote, encoding='latin1')
# from http.cookies import SimpleCookie, Morsel, CookieError
# from collections.abc import MutableMapping as DictMixin
# from types import ModuleType as new_module
# import pickle
# from io import BytesIO
# import configparser
# # getfullargspec was deprecated in 3.5 and un-deprecated in 3.6
# # getargspec was deprecated in 3.0 and removed in 3.11
# from inspect import getfullargspec
# def getargspec(func):
# spec = getfullargspec(func)
# kwargs = makelist(spec[0]) + makelist(spec.kwonlyargs)
# return kwargs, spec[1], spec[2], spec[3]
#
# basestring = str
# unicode = str
# json_loads = lambda s: json_lds(touni(s))
# callable = lambda x: hasattr(x, '__call__')
# imap = map
#
# def _raise(*a):
# raise a[0](a[1]).with_traceback(a[2])
# else: # 2.x
# import httplib
# import thread
# from urlparse import urljoin, SplitResult as UrlSplitResult
# from urllib import urlencode, quote as urlquote, unquote as urlunquote
# from Cookie import SimpleCookie, Morsel, CookieError
# from itertools import imap
# import cPickle as pickle
# from imp import new_module
# from StringIO import StringIO as BytesIO
# import ConfigParser as configparser
# from collections import MutableMapping as DictMixin
# from inspect import getargspec
#
# unicode = unicode
# json_loads = json_lds
# exec(compile('def _raise(*a): raise a[0], a[1], a[2]', '<py3fix>', 'exec'))
#
# # Some helpers for string/byte handling
# def tob(s, enc='utf8'):
# if isinstance(s, unicode):
# return s.encode(enc)
# return b'' if s is None else bytes(s)
#
#
# def touni(s, enc='utf8', err='strict'):
# if isinstance(s, bytes):
# return s.decode(enc, err)
# return unicode("" if s is None else s)
#
#
# tonat = touni if py3k else tob
#
#
# def _stderr(*args):
# try:
# print(*args, file=sys.stderr)
# except (IOError, AttributeError):
# pass # Some environments do not allow printing (mod_wsgi)
#
#
# # A bug in functools causes it to break if the wrapper is an instance method
# def update_wrapper(wrapper, wrapped, *a, **ka):
# try:
# functools.update_wrapper(wrapper, wrapped, *a, **ka)
# except AttributeError:
# pass
#
# # These helpers are used at module level and need to be defined first.
# # And yes, I know PEP-8, but sometimes a lower-case classname makes more sense.
#
#
# def depr(major, minor, cause, fix):
# text = "Warning: Use of deprecated feature or API. (Deprecated in Bottle-%d.%d)\n"\
# "Cause: %s\n"\
# "Fix: %s\n" % (major, minor, cause, fix)
# if DEBUG == 'strict':
# raise DeprecationWarning(text)
# warnings.warn(text, DeprecationWarning, stacklevel=3)
# return DeprecationWarning(text)
#
#
# def makelist(data): # This is just too handy
# if isinstance(data, (tuple, list, set, dict)):
# return list(data)
# elif data:
# return [data]
# else:
# return []
#
#
# class DictProperty(object):
# """ Property that maps to a key in a local dict-like attribute. """
#
# def __init__(self, attr, key=None, read_only=False):
# self.attr, self.key, self.read_only = attr, key, read_only
#
# def __call__(self, func):
# functools.update_wrapper(self, func, updated=[])
# self.getter, self.key = func, self.key or func.__name__
# return self
#
# def __get__(self, obj, cls):
# if obj is None: return self
# key, storage = self.key, getattr(obj, self.attr)
# if key not in storage: storage[key] = self.getter(obj)
# return storage[key]
#
# def __set__(self, obj, value):
# if self.read_only: raise AttributeError("Read-Only property.")
# getattr(obj, self.attr)[self.key] = value
#
# def __delete__(self, obj):
# if self.read_only: raise AttributeError("Read-Only property.")
# del getattr(obj, self.attr)[self.key]
#
#
# class cached_property(object):
# """ A property that is only computed once per instance and then replaces
# itself with an ordinary attribute. Deleting the attribute resets the
# property. """
#
# def __init__(self, func):
# update_wrapper(self, func)
# self.func = func
#
# def __get__(self, obj, cls):
# if obj is None: return self
# value = obj.__dict__[self.func.__name__] = self.func(obj)
# return value
#
#
# class lazy_attribute(object):
# """ A property that caches itself to the class object. """
#
# def __init__(self, func):
# functools.update_wrapper(self, func, updated=[])
# self.getter = func
#
# def __get__(self, obj, cls):
# value = self.getter(cls)
# setattr(cls, self.__name__, value)
# return value
#
#
# ###############################################################################
# # Exceptions and Events #######################################################
# ###############################################################################
#
#
# class BottleException(Exception):
# """ A base class for exceptions used by bottle. """
# pass
#
# ###############################################################################
# # Routing ######################################################################
# ###############################################################################
#
#
# class RouteError(BottleException):
# """ This is a base class for all routing related exceptions """
#
#
# class RouteReset(BottleException):
# """ If raised by a plugin or request handler, the route is reset and all
# plugins are re-applied. """
#
#
# class RouterUnknownModeError(RouteError):
#
# pass
#
#
# class RouteSyntaxError(RouteError):
# """ The route parser found something not supported by this router. """
#
#
# class RouteBuildError(RouteError):
# """ The route could not be built. """
#
#
# def _re_flatten(p):
# """ Turn all capturing groups in a regular expression pattern into
# non-capturing groups. """
# if '(' not in p:
# return p
# return re.sub(r'(\\*)(\(\?P<[^>]+>|\((?!\?))', lambda m: m.group(0) if
# len(m.group(1)) % 2 else m.group(1) + '(?:', p)
#
#
# class Router(object):
# """ A Router is an ordered collection of route->target pairs. It is used to
# efficiently match WSGI requests against a number of routes and return
# the first target that satisfies the request. The target may be anything,
# usually a string, ID or callable object. A route consists of a path-rule
# and a HTTP method.
#
# The path-rule is either a static path (e.g. `/contact`) or a dynamic
# path that contains wildcards (e.g. `/wiki/<page>`). The wildcard syntax
# and details on the matching order are described in docs:`routing`.
# """
#
# default_pattern = '[^/]+'
# default_filter = 're'
#
# #: The current CPython regexp implementation does not allow more
# #: than 99 matching groups per regular expression.
# _MAX_GROUPS_PER_PATTERN = 99
#
# def __init__(self, strict=False):
# self.rules = [] # All rules in order
# self._groups = {} # index of regexes to find them in dyna_routes
# self.builder = {} # Data structure for the url builder
# self.static = {} # Search structure for static routes
# self.dyna_routes = {}
# self.dyna_regexes = {} # Search structure for dynamic routes
# #: If true, static routes are no longer checked first.
# self.strict_order = strict
# self.filters = {
# 're': lambda conf: (_re_flatten(conf or self.default_pattern),
# None, None),
# 'int': lambda conf: (r'-?\d+', int, lambda x: str(int(x))),
# 'float': lambda conf: (r'-?[\d.]+', float, lambda x: str(float(x))),
# 'path': lambda conf: (r'.+?', None, None)
# }
#
# def add_filter(self, name, func):
# """ Add a filter. The provided function is called with the configuration
# string as parameter and must return a (regexp, to_python, to_url) tuple.
# The first element is a string, the last two are callables or None. """
# self.filters[name] = func
#
# rule_syntax = re.compile('(\\\\*)'
# '(?:(?::([a-zA-Z_][a-zA-Z_0-9]*)?()(?:#(.*?)#)?)'
# '|(?:<([a-zA-Z_][a-zA-Z_0-9]*)?(?::([a-zA-Z_]*)'
# '(?::((?:\\\\.|[^\\\\>])+)?)?)?>))')
#
# def _itertokens(self, rule):
# offset, prefix = 0, ''
# for match in self.rule_syntax.finditer(rule):
# prefix += rule[offset:match.start()]
# g = match.groups()
# if g[2] is not None:
# depr(0, 13, "Use of old route syntax.",
# "Use <name> instead of :name in routes.")
# if len(g[0]) % 2: # Escaped wildcard
# prefix += match.group(0)[len(g[0]):]
# offset = match.end()
# continue
# if prefix:
# yield prefix, None, None
# name, filtr, conf = g[4:7] if g[2] is None else g[1:4]
# yield name, filtr or 'default', conf or None
# offset, prefix = match.end(), ''
# if offset <= len(rule) or prefix:
# yield prefix + rule[offset:], None, None
#
# def add(self, rule, method, target, name=None):
# """ Add a new rule or replace the target for an existing rule. """
# anons = 0 # Number of anonymous wildcards found
# keys = [] # Names of keys
# pattern = '' # Regular expression pattern with named groups
# filters = [] # Lists of wildcard input filters
# builder = [] # Data structure for the URL builder
# is_static = True
#
# for key, mode, conf in self._itertokens(rule):
# if mode:
# is_static = False
# if mode == 'default': mode = self.default_filter
# mask, in_filter, out_filter = self.filters[mode](conf)
# if not key:
# pattern += '(?:%s)' % mask
# key = 'anon%d' % anons
# anons += 1
# else:
# pattern += '(?P<%s>%s)' % (key, mask)
# keys.append(key)
# if in_filter: filters.append((key, in_filter))
# builder.append((key, out_filter or str))
# elif key:
# pattern += re.escape(key)
# builder.append((None, key))
#
# self.builder[rule] = builder
# if name: self.builder[name] = builder
#
# if is_static and not self.strict_order:
# self.static.setdefault(method, {})
# self.static[method][self.build(rule)] = (target, None)
# return
#
# try:
# re_pattern = re.compile('^(%s)$' % pattern)
# re_match = re_pattern.match
# except re.error as e:
# raise RouteSyntaxError("Could not add Route: %s (%s)" % (rule, e))
#
# if filters:
#
# def getargs(path):
# url_args = re_match(path).groupdict()
# for name, wildcard_filter in filters:
# try:
# url_args[name] = wildcard_filter(url_args[name])
# except ValueError:
# raise HTTPError(400, 'Path has wrong format.')
# return url_args
# elif re_pattern.groupindex:
#
# def getargs(path):
# return re_match(path).groupdict()
# else:
# getargs = None
#
# flatpat = _re_flatten(pattern)
# whole_rule = (rule, flatpat, target, getargs)
#
# if (flatpat, method) in self._groups:
# if DEBUG:
# msg = 'Route <%s %s> overwrites a previously defined route'
# warnings.warn(msg % (method, rule), RuntimeWarning)
# self.dyna_routes[method][
# self._groups[flatpat, method]] = whole_rule
# else:
# self.dyna_routes.setdefault(method, []).append(whole_rule)
# self._groups[flatpat, method] = len(self.dyna_routes[method]) - 1
#
# self._compile(method)
#
# def _compile(self, method):
# all_rules = self.dyna_routes[method]
# comborules = self.dyna_regexes[method] = []
# maxgroups = self._MAX_GROUPS_PER_PATTERN
# for x in range(0, len(all_rules), maxgroups):
# some = all_rules[x:x + maxgroups]
# combined = (flatpat for (_, flatpat, _, _) in some)
# combined = '|'.join('(^%s$)' % flatpat for flatpat in combined)
# combined = re.compile(combined).match
# rules = [(target, getargs) for (_, _, target, getargs) in some]
# comborules.append((combined, rules))
#
# def build(self, _name, *anons, **query):
# """ Build an URL by filling the wildcards in a rule. """
# builder = self.builder.get(_name)
# if not builder:
# raise RouteBuildError("No route with that name.", _name)
# try:
# for i, value in enumerate(anons):
# query['anon%d' % i] = value
# url = ''.join([f(query.pop(n)) if n else f for (n, f) in builder])
# return url if not query else url + '?' + urlencode(query)
# except KeyError as E:
# raise RouteBuildError('Missing URL argument: %r' % E.args[0])
#
# def match(self, environ):
# """ Return a (target, url_args) tuple or raise HTTPError(400/404/405). """
# verb = environ['REQUEST_METHOD'].upper()
# path = environ['PATH_INFO'] or '/'
#
# methods = ('PROXY', 'HEAD', 'GET', 'ANY') if verb == 'HEAD' else ('PROXY', verb, 'ANY')
#
# for method in methods:
# if method in self.static and path in self.static[method]:
# target, getargs = self.static[method][path]
# return target, getargs(path) if getargs else {}
# elif method in self.dyna_regexes:
# for combined, rules in self.dyna_regexes[method]:
# match = combined(path)
# if match:
# target, getargs = rules[match.lastindex - 1]
# return target, getargs(path) if getargs else {}
#
# # No matching route found. Collect alternative methods for 405 response
# allowed = set([])
# nocheck = set(methods)
# for method in set(self.static) - nocheck:
# if path in self.static[method]:
# allowed.add(method)
# for method in set(self.dyna_regexes) - allowed - nocheck:
# for combined, rules in self.dyna_regexes[method]:
# match = combined(path)
# if match:
# allowed.add(method)
# if allowed:
# allow_header = ",".join(sorted(allowed))
# raise HTTPError(405, "Method not allowed.", Allow=allow_header)
#
# # No matching route and no alternative method found. We give up
# raise HTTPError(404, "Not found: " + repr(path))
#
#
# class Route(object):
# """ This class wraps a route callback along with route specific metadata and
# configuration and applies Plugins on demand. It is also responsible for
# turning an URL path rule into a regular expression usable by the Router.
# """
#
# def __init__(self, app, rule, method, callback,
# name=None,
# plugins=None,
# skiplist=None, **config):
# #: The application this route is installed to.
# self.app = app
# #: The path-rule string (e.g. ``/wiki/<page>``).
# self.rule = rule
# #: The HTTP method as a string (e.g. ``GET``).
# self.method = method
# #: The original callback with no plugins applied. Useful for introspection.
# self.callback = callback
# #: The name of the route (if specified) or ``None``.
# self.name = name or None
# #: A list of route-specific plugins (see :meth:`Bottle.route`).
# self.plugins = plugins or []
# #: A list of plugins to not apply to this route (see :meth:`Bottle.route`).
# self.skiplist = skiplist or []
# #: Additional keyword arguments passed to the :meth:`Bottle.route`
# #: decorator are stored in this dictionary. Used for route-specific
# #: plugin configuration and meta-data.
# self.config = app.config._make_overlay()
# self.config.load_dict(config)
#
# @cached_property
# def call(self):
# """ The route callback with all plugins applied. This property is
# created on demand and then cached to speed up subsequent requests."""
# return self._make_callback()
#
# def reset(self):
# """ Forget any cached values. The next time :attr:`call` is accessed,
# all plugins are re-applied. """
# self.__dict__.pop('call', None)
#
# def prepare(self):
# """ Do all on-demand work immediately (useful for debugging)."""
# self.call
#
# def all_plugins(self):
# """ Yield all Plugins affecting this route. """
# unique = set()
# for p in reversed(self.app.plugins + self.plugins):
# if True in self.skiplist: break
# name = getattr(p, 'name', False)
# if name and (name in self.skiplist or name in unique): continue
# if p in self.skiplist or type(p) in self.skiplist: continue
# if name: unique.add(name)
# yield p
#
# def _make_callback(self):
# callback = self.callback
# for plugin in self.all_plugins():
# try:
# if hasattr(plugin, 'apply'):
# callback = plugin.apply(callback, self)
# else:
# callback = plugin(callback)
# except RouteReset: # Try again with changed configuration.
# return self._make_callback()
# if callback is not self.callback:
# update_wrapper(callback, self.callback)
# return callback
#
# def get_undecorated_callback(self):
# """ Return the callback. If the callback is a decorated function, try to
# recover the original function. """
# func = self.callback
# func = getattr(func, '__func__' if py3k else 'im_func', func)
# closure_attr = '__closure__' if py3k else 'func_closure'
# while hasattr(func, closure_attr) and getattr(func, closure_attr):
# attributes = getattr(func, closure_attr)
# func = attributes[0].cell_contents
#
# # in case of decorators with multiple arguments
# if not isinstance(func, FunctionType):
# # pick first FunctionType instance from multiple arguments
# func = filter(lambda x: isinstance(x, FunctionType),
# map(lambda x: x.cell_contents, attributes))
# func = list(func)[0] # py3 support
# return func
#
# def get_callback_args(self):
# """ Return a list of argument names the callback (most likely) accepts
# as keyword arguments. If the callback is a decorated function, try
# to recover the original function before inspection. """
# return getargspec(self.get_undecorated_callback())[0]
#
# def get_config(self, key, default=None):
# """ Lookup a config field and return its value, first checking the
# route.config, then route.app.config."""
# depr(0, 13, "Route.get_config() is deprecated.",
# "The Route.config property already includes values from the"
# " application config for missing keys. Access it directly.")
# return self.config.get(key, default)
#
# def __repr__(self):
# cb = self.get_undecorated_callback()
# return '<%s %s -> %s:%s>' % (self.method, self.rule, cb.__module__, cb.__name__)
#
# ###############################################################################
# # Application Object ###########################################################
# ###############################################################################
#
#
# class Bottle(object):
# """ Each Bottle object represents a single, distinct web application and
# consists of routes, callbacks, plugins, resources and configuration.
# Instances are callable WSGI applications.
#
# :param catchall: If true (default), handle all exceptions. Turn off to
# let debugging middleware handle exceptions.
# """
#
# @lazy_attribute
# def _global_config(cls):
# cfg = ConfigDict()
# cfg.meta_set('catchall', 'validate', bool)
# return cfg
#
# def __init__(self, **kwargs):
# #: A :class:`ConfigDict` for app specific configuration.
# self.config = self._global_config._make_overlay()
# self.config._add_change_listener(
# functools.partial(self.trigger_hook, 'config'))
#
# self.config.update({
# "catchall": True
# })
#
# if kwargs.get('catchall') is False:
# depr(0, 13, "Bottle(catchall) keyword argument.",
# "The 'catchall' setting is now part of the app "
# "configuration. Fix: `app.config['catchall'] = False`")
# self.config['catchall'] = False
# if kwargs.get('autojson') is False:
# depr(0, 13, "Bottle(autojson) keyword argument.",
# "The 'autojson' setting is now part of the app "
# "configuration. Fix: `app.config['json.enable'] = False`")
# self.config['json.disable'] = True
#
# self._mounts = []
#
# #: A :class:`ResourceManager` for application files
# self.resources = ResourceManager()
#
# self.routes = [] # List of installed :class:`Route` instances.
# self.router = Router() # Maps requests to :class:`Route` instances.
# self.error_handler = {}
#
# # Core plugins
# self.plugins = [] # List of installed plugins.
# self.install(JSONPlugin())
# self.install(TemplatePlugin())
#
# #: If true, most exceptions are caught and returned as :exc:`HTTPError`
# catchall = DictProperty('config', 'catchall')
#
# __hook_names = 'before_request', 'after_request', 'app_reset', 'config'
# __hook_reversed = {'after_request'}
#
# @cached_property
# def _hooks(self):
# return dict((name, []) for name in self.__hook_names)
#
# def add_hook(self, name, func):
# """ Attach a callback to a hook. Three hooks are currently implemented:
#
# before_request
# Executed once before each request. The request context is
# available, but no routing has happened yet.
# after_request
# Executed once after each request regardless of its outcome.
# app_reset
# Called whenever :meth:`Bottle.reset` is called.
# """
# if name in self.__hook_reversed:
# self._hooks[name].insert(0, func)
# else:
# self._hooks[name].append(func)
#
# def remove_hook(self, name, func):
# """ Remove a callback from a hook. """
# if name in self._hooks and func in self._hooks[name]:
# self._hooks[name].remove(func)
# return True
#
# def trigger_hook(self, __name, *args, **kwargs):
# """ Trigger a hook and return a list of results. """
# return [hook(*args, **kwargs) for hook in self._hooks[__name][:]]
#
# def hook(self, name):
# """ Return a decorator that attaches a callback to a hook. See
# :meth:`add_hook` for details."""
#
# def decorator(func):
# self.add_hook(name, func)
# return func
#
# return decorator
#
# def _mount_wsgi(self, prefix, app, **options):
# segments = [p for p in prefix.split('/') if p]
# if not segments:
# raise ValueError('WSGI applications cannot be mounted to "/".')
# path_depth = len(segments)
#
# def mountpoint_wrapper():
# try:
# request.path_shift(path_depth)
# rs = HTTPResponse([])
#
# def start_response(status, headerlist, exc_info=None):
# if exc_info:
# _raise(*exc_info)
# if py3k:
# # Errors here mean that the mounted WSGI app did not
# # follow PEP-3333 (which requires latin1) or used a
# # pre-encoding other than utf8 :/
# status = status.encode('latin1').decode('utf8')
# headerlist = [(k, v.encode('latin1').decode('utf8'))
# for (k, v) in headerlist]
# rs.status = status
# for name, value in headerlist:
# rs.add_header(name, value)
# return rs.body.append
#
# body = app(request.environ, start_response)
# rs.body = itertools.chain(rs.body, body) if rs.body else body
# return rs
# finally:
# request.path_shift(-path_depth)
#
# options.setdefault('skip', True)
# options.setdefault('method', 'PROXY')
# options.setdefault('mountpoint', {'prefix': prefix, 'target': app})
# options['callback'] = mountpoint_wrapper
#
# self.route('/%s/<:re:.*>' % '/'.join(segments), **options)
# if not prefix.endswith('/'):
# self.route('/' + '/'.join(segments), **options)
#
# def _mount_app(self, prefix, app, **options):
# if app in self._mounts or '_mount.app' in app.config:
# depr(0, 13, "Application mounted multiple times. Falling back to WSGI mount.",
# "Clone application before mounting to a different location.")
# return self._mount_wsgi(prefix, app, **options)
#
# if options:
# depr(0, 13, "Unsupported mount options. Falling back to WSGI mount.",
# "Do not specify any route options when mounting bottle application.")
# return self._mount_wsgi(prefix, app, **options)
#
# if not prefix.endswith("/"):
# depr(0, 13, "Prefix must end in '/'. Falling back to WSGI mount.",
# "Consider adding an explicit redirect from '/prefix' to '/prefix/' in the parent application.")
# return self._mount_wsgi(prefix, app, **options)
#
# self._mounts.append(app)
# app.config['_mount.prefix'] = prefix
# app.config['_mount.app'] = self
# for route in app.routes:
# route.rule = prefix + route.rule.lstrip('/')
# self.add_route(route)
#
# def mount(self, prefix, app, **options):
# """ Mount an application (:class:`Bottle` or plain WSGI) to a specific
# URL prefix. Example::
#
# parent_app.mount('/prefix/', child_app)
#
# :param prefix: path prefix or `mount-point`.
# :param app: an instance of :class:`Bottle` or a WSGI application.
#
# Plugins from the parent application are not applied to the routes
# of the mounted child application. If you need plugins in the child
# application, install them separately.
#
# While it is possible to use path wildcards within the prefix path
# (:class:`Bottle` childs only), it is highly discouraged.
#
# The prefix path must end with a slash. If you want to access the
# root of the child application via `/prefix` in addition to
# `/prefix/`, consider adding a route with a 307 redirect to the
# parent application.
# """
#
# if not prefix.startswith('/'):
# raise ValueError("Prefix must start with '/'")
#
# if isinstance(app, Bottle):
# return self._mount_app(prefix, app, **options)
# else:
# return self._mount_wsgi(prefix, app, **options)
#
# def merge(self, routes):
# """ Merge the routes of another :class:`Bottle` application or a list of
# :class:`Route` objects into this application. The routes keep their
# 'owner', meaning that the :data:`Route.app` attribute is not
# changed. """
# if isinstance(routes, Bottle):
# routes = routes.routes
# for route in routes:
# self.add_route(route)
#
# def install(self, plugin):
# """ Add a plugin to the list of plugins and prepare it for being
# applied to all routes of this application. A plugin may be a simple
# decorator or an object that implements the :class:`Plugin` API.
# """
# if hasattr(plugin, 'setup'): plugin.setup(self)
# if not callable(plugin) and not hasattr(plugin, 'apply'):
# raise TypeError("Plugins must be callable or implement .apply()")
# self.plugins.append(plugin)
# self.reset()
# return plugin
#
# def uninstall(self, plugin):
# """ Uninstall plugins. Pass an instance to remove a specific plugin, a type
# object to remove all plugins that match that type, a string to remove
# all plugins with a matching ``name`` attribute or ``True`` to remove all
# plugins. Return the list of removed plugins. """
# removed, remove = [], plugin
# for i, plugin in list(enumerate(self.plugins))[::-1]:
# if remove is True or remove is plugin or remove is type(plugin) \
# or getattr(plugin, 'name', True) == remove:
# removed.append(plugin)
# del self.plugins[i]
# if hasattr(plugin, 'close'): plugin.close()
# if removed: self.reset()
# return removed