diff --git a/requirements-sphinx.txt b/requirements-sphinx.txt
index 995d297e..102c690c 100644
--- a/requirements-sphinx.txt
+++ b/requirements-sphinx.txt
@@ -3,7 +3,6 @@ chardet>=2.0.1,<=2.3
 dnspython3==1.12
 html5lib>=0.999,<1.0
 # lxml>=3.1.0,<=3.5 # except for this because it requires building C libs
-namedlist>=1.3,<=1.7
 psutil>=2.0,<=4.2
 sqlalchemy>=0.9,<=1.0.13
 tornado>=3.2.2,<5.0
diff --git a/requirements.txt b/requirements.txt
index e9fbfb52..97b43156 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,6 @@ chardet>=2.0.1,<=2.3
 dnspython3==1.12
 html5lib>=0.999,<1.0
 lxml>=3.1.0,<=3.5
-namedlist>=1.3,<=1.7
 psutil>=2.0,<=4.2
 sqlalchemy>=0.9,<=1.0.13
 tornado>=3.2.2,<5.0
diff --git a/setup.py b/setup.py
index 775472a7..a84a7050 100644
--- a/setup.py
+++ b/setup.py
@@ -102,7 +102,6 @@ def get_version():
     'chardet',
     'dnspython3',
     'html5lib',
-    'namedlist',
     'sqlalchemy',
     'tornado',
     'yapsy',
diff --git a/wpull/application/factory.py b/wpull/application/factory.py
index ba2d0b5a..f6802a1f 100644
--- a/wpull/application/factory.py
+++ b/wpull/application/factory.py
@@ -1,9 +1,9 @@
 # encoding=utf-8
 '''Instance creation and management.'''
-import collections
+import collections, typing
 
 
-class Factory(collections.Mapping, object):
+class Factory(typing.Mapping, object):
     '''Allows selection of classes and keeps track of instances.
 
     This class behaves like a mapping. Keys are names of classes and values are
diff --git a/wpull/application/plugin.py b/wpull/application/plugin.py
index 68028f87..92f3dfc3 100644
--- a/wpull/application/plugin.py
+++ b/wpull/application/plugin.py
@@ -61,7 +61,7 @@ def event(name: Any):
     return _plugin_attach_decorator(name, category=PluginFunctionCategory.event)
 
 
-class InterfaceRegistry(collections.Mapping):
+class InterfaceRegistry(typing.Mapping):
     def __init__(self):
         super().__init__()
         self._interfaces = {}
diff --git a/wpull/application/tasks/download.py b/wpull/application/tasks/download.py
index bbbb552e..7e989c9a 100644
--- a/wpull/application/tasks/download.py
+++ b/wpull/application/tasks/download.py
@@ -33,10 +33,7 @@ def process(self, session: AppSession):
 
     @classmethod
     def _build_html_parser(cls, session: AppSession):
-        if session.args.html_parser == 'html5lib':
-            from wpull.document.htmlparse.html5lib_ import HTMLParser
-        else:
-            from wpull.document.htmlparse.lxml_ import HTMLParser
+        from wpull.document.htmlparse.lxml_ import HTMLParser
 
         session.factory.class_map['HTMLParser'] = HTMLParser
         session.factory.new('HTMLParser')
diff --git a/wpull/cache.py b/wpull/cache.py
index c3f46dac..db305fa4 100644
--- a/wpull/cache.py
+++ b/wpull/cache.py
@@ -1,5 +1,5 @@
 '''Caching.'''
-import abc
+import abc, typing
 import collections
 import sys
 import time
@@ -16,7 +16,7 @@
     total_ordering = lambda obj: obj
 
 
-class BaseCache(collections.Mapping, object):
+class BaseCache(typing.Mapping, object):
     @abc.abstractmethod
     def __setitem__(self, key, value):
         pass
diff --git a/wpull/collections.py b/wpull/collections.py
index 773cf013..67ad78ac 100644
--- a/wpull/collections.py
+++ b/wpull/collections.py
@@ -1,7 +1,7 @@
 # encoding=utf-8
 '''Data structures.'''
 from collections import OrderedDict
-import collections
+import collections, typing
 import copy
 import itertools
 import functools
@@ -14,7 +14,7 @@ class OrderedDefaultDict(OrderedDict):
     '''
     def __init__(self, default_factory=None, *args, **kwargs):
         if default_factory is not None and \
-           not isinstance(default_factory, collections.Callable):
+           not isinstance(default_factory, typing.Callable):
             raise TypeError('First argument must be callable')
         OrderedDict.__init__(self, *args, **kwargs)
         self.default_factory = default_factory
@@ -237,7 +237,7 @@ def clear(self):
         self.tail = None
 
 
-class FrozenDict(collections.Mapping, collections.Hashable):
+class FrozenDict(typing.Mapping, typing.Hashable):
     '''Immutable mapping wrapper.'''
     __slots__ = ('orig_dict', 'hash_cache',)
 
diff --git a/wpull/driver/phantomjs.py b/wpull/driver/phantomjs.py
index 6052e64f..2791f07d 100644
--- a/wpull/driver/phantomjs.py
+++ b/wpull/driver/phantomjs.py
@@ -3,8 +3,8 @@
 import os.path
 import subprocess
 import tempfile
+from typing import Any
 
-import namedlist
 import asyncio
 
 from wpull.driver.process import Process
@@ -13,41 +13,38 @@
 
 _logger = logging.getLogger(__name__)
 
-
-PhantomJSDriverParams = namedlist.namedtuple(
-    'PhantomJSDriverParamsType', [
-        'url',
-        ('snapshot_paths', []),
-        ('wait_time', 1),
-        ('num_scrolls', 10),
-        ('smart_scroll', True),
-        ('snapshot', True),
-        ('viewport_size', (1200, 1920)),
-        ('paper_size', (2400, 3840)),
-        ('event_log_filename', None),
-        ('action_log_filename', None),
-        ('custom_headers', {}),
-        ('page_settings', {}),
-    ]
-)
-'''PhantomJS Driver parameters
-
-Attributes:
-    url (str): URL of page to fetch.
-    snapshot_type (list): List of filenames. Accepted extensions are html,
-        pdf, png, gif.
-    wait_time (float): Time between page scrolls.
-    num_scrolls (int): Maximum number of scrolls.
-    smart_scroll (bool): Whether to stop scrolling if number of
-        requests & responses do not change.
-    snapshot (bool): Whether to take snapshot files.
-    viewport_size (tuple): Width and height of the page viewport.
-    paper_size (tuple): Width and height of the paper size.
-    event_log_filename (str): Path to save page events.
-    action_log_filename (str): Path to save page action manipulation events.
-    custom_headers (dict): Custom HTTP request headers.
-    page_settings (dict): Page settings.
-'''
+from typing import NamedTuple
+class PhantomJSDriverParams(NamedTuple):
+    '''PhantomJS Driver parameters
+
+    Attributes:
+        url (str): URL of page to fetch.
+        snapshot_type (list): List of filenames. Accepted extensions are html,
+            pdf, png, gif.
+        wait_time (float): Time between page scrolls.
+        num_scrolls (int): Maximum number of scrolls.
+        smart_scroll (bool): Whether to stop scrolling if number of
+            requests & responses do not change.
+        snapshot (bool): Whether to take snapshot files.
+        viewport_size (tuple): Width and height of the page viewport.
+        paper_size (tuple): Width and height of the paper size.
+        event_log_filename (str): Path to save page events.
+        action_log_filename (str): Path to save page action manipulation events.
+        custom_headers (dict): Custom HTTP request headers.
+        page_settings (dict): Page settings.
+    '''
+    url: str
+    snapshot_paths: Any = []
+    wait_time: Any = 1
+    num_scrolls: Any = 10
+    smart_scroll: Any = True
+    snapshot: Any = True
+    viewport_size: Any = (1200, 1920)
+    paper_size: Any = (2400, 3840)
+    event_log_filename: Any = None
+    action_log_filename: Any = None
+    custom_headers: Any = {}
+    page_settings: Any = {}
 
 
 class PhantomJSDriver(Process):
diff --git a/wpull/driver/process.py b/wpull/driver/process.py
index e370538e..b5a15052 100644
--- a/wpull/driver/process.py
+++ b/wpull/driver/process.py
@@ -53,8 +53,8 @@ def start(self, use_atexit=True):
         )
         self._process = yield from process_future
 
-        self._stderr_reader = asyncio.async(self._read_stderr())
-        self._stdout_reader = asyncio.async(self._read_stdout())
+        self._stderr_reader = asyncio.create_task(self._read_stderr())
+        self._stdout_reader = asyncio.create_task(self._read_stdout())
 
         if use_atexit:
             atexit.register(self.close)
diff --git a/wpull/namevalue.py b/wpull/namevalue.py
index dcdb9f9f..aba4c687 100644
--- a/wpull/namevalue.py
+++ b/wpull/namevalue.py
@@ -4,6 +4,7 @@
 import gettext
 import io
 import textwrap
+import typing
 
 from wpull.collections import OrderedDefaultDict
 
@@ -11,7 +12,7 @@
 _ = gettext.gettext
 
 
-class NameValueRecord(collections.MutableMapping):
+class NameValueRecord(typing.MutableMapping):
     '''An ordered mapping of name-value pairs.
 
     Duplicated names are accepted.
diff --git a/wpull/network/pool.py b/wpull/network/pool.py
index a9aeb6b9..e3d682f8 100644
--- a/wpull/network/pool.py
+++ b/wpull/network/pool.py
@@ -37,8 +37,7 @@ def empty(self) -> bool:
         '''Return whether the pool is empty.'''
         return not self.ready and not self.busy
 
-    @asyncio.coroutine
-    def clean(self, force: bool=False):
+    async def clean(self, force: bool=False):
         '''Clean closed connections.
 
         Args:
@@ -46,7 +45,7 @@ def clean(self, force: bool=False):
 
         Coroutine.
         '''
-        with (yield from self._lock):
+        async with self._lock:
             for connection in tuple(self.ready):
                 if force or connection.closed():
                     connection.close()
@@ -149,8 +148,7 @@ def __init__(self, max_host_count: int=6,
     def host_pools(self) -> Mapping[tuple, HostPool]:
         return self._host_pools
 
-    @asyncio.coroutine
-    def acquire(self, host: str, port: int, use_ssl: bool=False,
+    async def acquire(self, host: str, port: int, use_ssl: bool=False,
                 host_key: Optional[Any]=None) \
             -> Union[Connection, SSLConnection]:
         '''Return an available connection.
@@ -167,7 +165,7 @@ def acquire(self, host: str, port: int, use_ssl: bool=False,
         assert isinstance(port, int), 'Expect int. Got {}'.format(type(port))
         assert not self._closed
 
-        yield from self._process_no_wait_releases()
+        await self._process_no_wait_releases()
 
         if use_ssl:
             connection_factory = functools.partial(
@@ -184,7 +182,7 @@ def acquire(self, host: str, port: int, use_ssl: bool=False,
 
         key = host_key or (host, port, use_ssl)
 
-        with (yield from self._host_pools_lock):
+        async with self._host_pools_lock:
             if key not in self._host_pools:
                 host_pool = self._host_pools[key] = HostPool(
                     connection_factory,
@@ -197,7 +195,7 @@ def acquire(self, host: str, port: int, use_ssl: bool=False,
 
         _logger.debug('Check out %s', key)
 
-        connection = yield from host_pool.acquire()
+        connection = await host_pool.acquire()
         connection.key = key
 
         # TODO: Verify this assert is always true
@@ -205,7 +203,7 @@ def acquire(self, host: str, port: int, use_ssl: bool=False,
         # assert key in self._host_pools
         # assert self._host_pools[key] == host_pool
 
-        with (yield from self._host_pools_lock):
+        async with self._host_pools_lock:
             self._host_pool_waiters[key] -= 1
 
         return connection
@@ -271,8 +269,7 @@ def context_wrapper():
 
         return context_wrapper()
 
-    @asyncio.coroutine
-    def clean(self, force: bool=False):
+    async def clean(self, force: bool=False):
         '''Clean all closed connections.
 
         Args:
@@ -282,9 +279,9 @@ def clean(self, force: bool=False):
         '''
         assert not self._closed
 
-        with (yield from self._host_pools_lock):
+        async with self._host_pools_lock:
             for key, pool in tuple(self._host_pools.items()):
-                yield from pool.clean(force=force)
+                await pool.clean(force=force)
 
                 if not self._host_pool_waiters[key] and pool.empty():
                     del self._host_pools[key]
diff --git a/wpull/processor/coprocessor/phantomjs.py b/wpull/processor/coprocessor/phantomjs.py
index fb1af12e..2133c745 100644
--- a/wpull/processor/coprocessor/phantomjs.py
+++ b/wpull/processor/coprocessor/phantomjs.py
@@ -8,10 +8,12 @@
 import tempfile
 import io
 
-import namedlist
+
 import asyncio
 
 from typing import Callable
+from typing import NamedTuple
+from typing import Any
 
 from wpull.backport.logging import BraceMessage as __
 from wpull.document.html import HTMLReader
@@ -24,35 +26,32 @@
 import wpull.url
 
 
-PhantomJSParams = namedlist.namedtuple(
-    'PhantomJSParamsType', [
-        ('snapshot_types', ('html', 'pdf')),
-        ('wait_time', 1),
-        ('num_scrolls', 10),
-        ('smart_scroll', True),
-        ('snapshot', True),
-        ('viewport_size', (1200, 1920)),
-        ('paper_size', (2400, 3840)),
-        ('load_time', 900),
-        ('custom_headers', {}),
-        ('page_settings', {}),
-    ]
-)
-'''PhantomJS parameters
-
-Attributes:
-    snapshot_type (list): File types. Accepted are html, pdf, png, gif.
-    wait_time (float): Time between page scrolls.
-    num_scrolls (int): Maximum number of scrolls.
-    smart_scroll (bool): Whether to stop scrolling if number of
-        requests & responses do not change.
-    snapshot (bool): Whether to take snapshot files.
-    viewport_size (tuple): Width and height of the page viewport.
-    paper_size (tuple): Width and height of the paper size.
-    load_time (float): Maximum time to wait for page load.
-    custom_headers (dict): Default HTTP headers.
-    page_settings (dict): Page settings.
-'''
+class PhantomJSParams(NamedTuple):
+    '''PhantomJS parameters
+
+    Attributes:
+        snapshot_type (list): File types. Accepted are html, pdf, png, gif.
+        wait_time (float): Time between page scrolls.
+        num_scrolls (int): Maximum number of scrolls.
+        smart_scroll (bool): Whether to stop scrolling if number of
+            requests & responses do not change.
+        snapshot (bool): Whether to take snapshot files.
+        viewport_size (tuple): Width and height of the page viewport.
+        paper_size (tuple): Width and height of the paper size.
+        load_time (float): Maximum time to wait for page load.
+        custom_headers (dict): Default HTTP headers.
+        page_settings (dict): Page settings.
+    '''
+    snapshot_types: Any = ('html', 'pdf')
+    wait_time: Any = 1
+    num_scrolls: Any = 10
+    smart_scroll: Any = True
+    snapshot: Any = True
+    viewport_size: Any = (1200, 1920)
+    paper_size: Any = (2400, 3840)
+    load_time: Any = 900
+    custom_headers: Any = {}
+    page_settings: Any = {}
 
 
 _logger = logging.getLogger(__name__)
diff --git a/wpull/processor/ftp.py b/wpull/processor/ftp.py
index 6a327355..88583e13 100644
--- a/wpull/processor/ftp.py
+++ b/wpull/processor/ftp.py
@@ -9,8 +9,9 @@
 import tempfile
 import urllib.parse
 
-import namedlist
+
 from typing import cast
+from typing import Any
 
 from wpull.backport.logging import StyleAdapter
 from wpull.body import Body
@@ -34,24 +35,20 @@
 
 GLOB_CHARS = frozenset('[]*?')
 
+from typing import NamedTuple
+class FTPProcessorFetchParams(NamedTuple):
+    '''FTPProcessorFetchParams
 
-FTPProcessorFetchParams = namedlist.namedtuple(
-    'FTPProcessorFetchParamsType',
-    [
-        ('remove_listing', True),
-        ('glob', True),
-        ('preserve_permissions', False),
-        ('retr_symlinks', True),
-    ]
-)
-'''FTPProcessorFetchParams
-
-Args:
-    remove_listing (bool): Remove `.listing` files after fetching.
-    glob (bool): Enable URL globbing.
-    preserve_permissions (bool): Preserve file permissions.
-    follow_symlinks (bool): Follow symlinks.
-'''
+    Args:
+        remove_listing (bool): Remove `.listing` files after fetching.
+        glob (bool): Enable URL globbing.
+        preserve_permissions (bool): Preserve file permissions.
+        follow_symlinks (bool): Follow symlinks.
+    '''
+    remove_listing: Any = True
+    glob: Any = True
+    preserve_permissions: Any = False
+    retr_symlinks: Any = True
 
 
 class HookPreResponseBreak(ProtocolError):
diff --git a/wpull/processor/web.py b/wpull/processor/web.py
index 3ccc1ea2..90590287 100644
--- a/wpull/processor/web.py
+++ b/wpull/processor/web.py
@@ -4,7 +4,7 @@
 import io
 import logging
 
-import namedlist
+
 import asyncio
 
 from typing import cast, Tuple
@@ -31,22 +31,21 @@
 _logger = StyleAdapter(logging.getLogger(__name__))
 _ = gettext.gettext
 
-WebProcessorFetchParams = namedlist.namedtuple(
-    'WebProcessorFetchParamsType',
-    [
-        ('post_data', None),
-        ('strong_redirects', True),
-        ('content_on_error', False),
-    ]
-)
-'''WebProcessorFetchParams
-
-Args:
-    post_data (str): If provided, all requests will be POSTed with the
-        given `post_data`. `post_data` must be in percent-encoded
-        query format ("application/x-www-form-urlencoded").
-    strong_redirects (bool): If True, redirects are allowed to span hosts.
-'''
+from typing import NamedTuple, Any
+
+
+class WebProcessorFetchParams(NamedTuple):
+    '''WebProcessorFetchParams
+
+    Args:
+        post_data (str): If provided, all requests will be POSTed with the
+            given `post_data`. `post_data` must be in percent-encoded
+            query format ("application/x-www-form-urlencoded").
+        strong_redirects (bool): If True, redirects are allowed to span hosts.
+    '''
+    post_data: Any = None
+    strong_redirects: Any = True
+    content_on_error: Any = False
 
 
 class HookPreResponseBreak(ProtocolError):
diff --git a/wpull/protocol/ftp/ls/listing.py b/wpull/protocol/ftp/ls/listing.py
index a2243e9c..af7d865c 100644
--- a/wpull/protocol/ftp/ls/listing.py
+++ b/wpull/protocol/ftp/ls/listing.py
@@ -2,33 +2,32 @@
 import re
 
 import itertools
-import namedlist
+
 
 from wpull.protocol.ftp.ls.date import parse_datetime
 import wpull.protocol.ftp.ls.date
+from typing import NamedTuple
+from typing import Any
 
 
-FileEntry = namedlist.namedtuple(
-    'FileEntryType',
-    [
-        'name',
-        ('type', None),
-        ('size', None),
-        ('date', None),
-        ('dest', None),
-        ('perm', None)
-    ])
-'''A row in a listing.
-
-Attributes:
-    name (str): Filename.
-    type (str, None): ``file``, ``dir``, ``symlink``, ``other``, ``None``
-    size (int, None): Size of file.
-    date (:class:`datetime.datetime`, None): A datetime object in UTC.
-    dest (str, None): Destination filename for symlinks.
-    perm (int, None): Unix permissions expressed as an integer.
-'''
+class FileEntry(NamedTuple):
+    '''A row in a listing.
 
+    Attributes:
+        name (str): Filename.
+        type (str, None): ``file``, ``dir``, ``symlink``, ``other``, ``None``
+        size (int, None): Size of file.
+        date (:class:`datetime.datetime`, None): A datetime object in UTC.
+        dest (str, None): Destination filename for symlinks.
+        perm (int, None): Unix permissions expressed as an integer.
+    '''
+    name: str
+    type: Any = None
+    size: Any = None
+    date: Any = None
+    dest: Any = None
+    perm: Any = None
+    
 
 class ListingError(ValueError):
     '''Error during parsing a listing.'''
diff --git a/wpull/scraper/base.py b/wpull/scraper/base.py
index 59cadefd..c88b1f5d 100644
--- a/wpull/scraper/base.py
+++ b/wpull/scraper/base.py
@@ -2,32 +2,30 @@
 import abc
 import collections
 import io
-import namedlist
+
 
 from wpull.document.base import BaseTextStreamReader, \
     BaseHTMLReader, BaseExtractiveReader
 from wpull.scraper.util import urljoin_safe
+from typing import NamedTuple
+from typing import Any
+
 
+class LinkContext(NamedTuple):
+    '''A named tuple describing a scraped link.
 
-LinkContext = namedlist.namedtuple(
-    'LinkContextType',
-    [
-        'link',
-        ('inline', False),
-        ('linked', False),
-        ('link_type', None),
-        ('extra', None)
-    ]
-)
-'''A named tuple describing a scraped link.
-
-Attributes:
-    link (str): The link that was scraped.
-    inline (bool): Whether the link is an embeded object.
-    linked (bool): Whether the link links to another page.
-    link_type: A value from :class:`.item.LinkType`.
-    extra: Any extra info.
-'''
+    Attributes:
+        link (str): The link that was scraped.
+        inline (bool): Whether the link is an embeded object.
+        linked (bool): Whether the link links to another page.
+        link_type: A value from :class:`.item.LinkType`.
+        extra: Any extra info.
+    '''
+    link: str
+    inline: Any = False
+    linked: Any = False
+    link_type: Any = None
+    extra: Any = None
 
 
 class ScrapeResult(dict):
diff --git a/wpull/warc/recorder.py b/wpull/warc/recorder.py
index 3d8c3dc8..941eba00 100644
--- a/wpull/warc/recorder.py
+++ b/wpull/warc/recorder.py
@@ -10,7 +10,7 @@
 import re
 import shutil
 
-import namedlist
+
 
 from wpull.backport.logging import StyleAdapter
 from wpull.namevalue import NameValueRecord
@@ -25,48 +25,44 @@
 from wpull.protocol.http.request import Response as HTTPResponse
 import wpull.util
 import wpull.version
-
+from typing import NamedTuple, Any
 
 _logger = StyleAdapter(logging.getLogger(__name__))
 _ = gettext.gettext
 
 
-WARCRecorderParams = namedlist.namedtuple(
-    'WARCRecorderParamsType',
-    [
-        ('compress', True),
-        ('extra_fields', None),
-        ('temp_dir', './'),
-        ('log', True),
-        ('appending', False),
-        ('digests', True),
-        ('cdx', None),
-        ('max_size', None),
-        ('move_to', None),
-        ('url_table', None),
-        ('software_string', None)
-    ]
-)
-''':class:`WARCRecorder` parameters.
-
-Args:
-    compress (bool): If True, files will be compressed with gzip
-    extra_fields (list): A list of key-value pairs containing extra
-        metadata fields
-    temp_dir (str): Directory to use for temporary files
-    log (bool): Include the program logging messages in the WARC file
-    appending (bool): If True, the file is not overwritten upon opening
-    digests (bool): If True, the SHA1 hash digests will be written.
-    cdx (bool): If True, a CDX file will be written.
-    max_size (int): If provided, output files are named like
-        ``name-00000.ext`` and the log file will be in ``name-meta.ext``.
-    move_to (str): If provided, completed WARC files and CDX files will be
-        moved to the given directory
-    url_table (:class:`.database.URLTable`): If given, then ``revist``
-        records will be written.
-    software_string (str): The value for the ``software`` field in the
-        Warcinfo record.
-'''
+class WARCRecorderParams(NamedTuple):
+    ''':class:`WARCRecorder` parameters.
+
+    Args:
+        compress (bool): If True, files will be compressed with gzip
+        extra_fields (list): A list of key-value pairs containing extra
+            metadata fields
+        temp_dir (str): Directory to use for temporary files
+        log (bool): Include the program logging messages in the WARC file
+        appending (bool): If True, the file is not overwritten upon opening
+        digests (bool): If True, the SHA1 hash digests will be written.
+        cdx (bool): If True, a CDX file will be written.
+        max_size (int): If provided, output files are named like
+            ``name-00000.ext`` and the log file will be in ``name-meta.ext``.
+        move_to (str): If provided, completed WARC files and CDX files will be
+            moved to the given directory
+        url_table (:class:`.database.URLTable`): If given, then ``revist``
+            records will be written.
+        software_string (str): The value for the ``software`` field in the
+            Warcinfo record.
+    '''
+    compress: bool = True
+    extra_fields: Any = None
+    temp_dir: Any = './'
+    log: Any = True
+    appending: Any = False
+    digests: Any = True
+    cdx: Any = None
+    max_size: Any = None
+    move_to: Any = None
+    url_table: Any = None
+    software_string: Any = None
 
 
 class WARCRecorder(object):