From 14b3863f11fe72f0cd753a6724c093d1661dfc00 Mon Sep 17 00:00:00 2001
From: lilydjwg <lilydjwg@gmail.com>
Date: Tue, 11 Aug 2020 17:43:03 +0800
Subject: [PATCH] version 2: MVP

---
 NEW                                           |  21 ++
 mypy.ini                                      |  13 +
 nvchecker-old/get_version.py                  |  57 +++
 .../source/android_sdk.py                     |   0
 {nvchecker => nvchecker-old}/source/anitya.py |   0
 .../source/archpkg.py                         |   0
 .../source/bitbucket.py                       |   0
 {nvchecker => nvchecker-old}/source/cmd.py    |   0
 {nvchecker => nvchecker-old}/source/cpan.py   |   0
 .../source/cratesio.py                        |   0
 .../source/debianpkg.py                       |   0
 {nvchecker => nvchecker-old}/source/gems.py   |   0
 {nvchecker => nvchecker-old}/source/gitea.py  |   0
 {nvchecker => nvchecker-old}/source/github.py |   0
 {nvchecker => nvchecker-old}/source/gitlab.py |   0
 .../source/hackage.py                         |   0
 {nvchecker => nvchecker-old}/source/manual.py |   0
 {nvchecker => nvchecker-old}/source/npm.py    |   0
 .../source/packagist.py                       |   0
 {nvchecker => nvchecker-old}/source/pacman.py |   0
 {nvchecker => nvchecker-old}/source/pypi.py   |   0
 {nvchecker => nvchecker-old}/source/regex.py  |   0
 .../source/repology.py                        |   0
 .../source/simple_json.py                     |   0
 .../source/sparkle.py                         |   0
 .../source/ubuntupkg.py                       |   0
 {nvchecker => nvchecker-old}/source/vcs.py    |   0
 {nvchecker => nvchecker-old}/source/vcs.sh    |   0
 {nvchecker => nvchecker-old}/tools.py         |   0
 nvchecker/__init__.py                         |   2 +-
 nvchecker/__main__.py                         |  67 ++--
 nvchecker/core.py                             | 338 +++++++++++-------
 nvchecker/get_version.py                      | 105 ------
 nvchecker/{source => httpclient}/__init__.py  |   7 -
 .../aiohttp_httpclient.py                     |   0
 .../{source => httpclient}/httpclient.py      |   0
 .../tornado_httpclient.py                     |   6 +-
 nvchecker/lib/README.md                       |   2 +-
 nvchecker/lib/__init__.py                     |   3 +
 nvchecker/lib/nicelogger.py                   |   3 +-
 nvchecker/lib/notify.py                       | 102 ------
 nvchecker/slogconf.py                         |   2 +-
 nvchecker/source/aur.py                       |  31 --
 nvchecker/util.py                             |  72 ++++
 nvchecker_source/aur.py                       |  84 +++++
 nvchecker_source/none.py                      |  15 +
 setup.py                                      |   4 +-
 tests/__init__.py                             |   3 +
 tests/conftest.py                             |   3 +
 49 files changed, 537 insertions(+), 403 deletions(-)
 create mode 100644 NEW
 create mode 100644 mypy.ini
 create mode 100644 nvchecker-old/get_version.py
 rename {nvchecker => nvchecker-old}/source/android_sdk.py (100%)
 rename {nvchecker => nvchecker-old}/source/anitya.py (100%)
 rename {nvchecker => nvchecker-old}/source/archpkg.py (100%)
 rename {nvchecker => nvchecker-old}/source/bitbucket.py (100%)
 rename {nvchecker => nvchecker-old}/source/cmd.py (100%)
 rename {nvchecker => nvchecker-old}/source/cpan.py (100%)
 rename {nvchecker => nvchecker-old}/source/cratesio.py (100%)
 rename {nvchecker => nvchecker-old}/source/debianpkg.py (100%)
 rename {nvchecker => nvchecker-old}/source/gems.py (100%)
 rename {nvchecker => nvchecker-old}/source/gitea.py (100%)
 rename {nvchecker => nvchecker-old}/source/github.py (100%)
 rename {nvchecker => nvchecker-old}/source/gitlab.py (100%)
 rename {nvchecker => nvchecker-old}/source/hackage.py (100%)
 rename {nvchecker => nvchecker-old}/source/manual.py (100%)
 rename {nvchecker => nvchecker-old}/source/npm.py (100%)
 rename {nvchecker => nvchecker-old}/source/packagist.py (100%)
 rename {nvchecker => nvchecker-old}/source/pacman.py (100%)
 rename {nvchecker => nvchecker-old}/source/pypi.py (100%)
 rename {nvchecker => nvchecker-old}/source/regex.py (100%)
 rename {nvchecker => nvchecker-old}/source/repology.py (100%)
 rename {nvchecker => nvchecker-old}/source/simple_json.py (100%)
 rename {nvchecker => nvchecker-old}/source/sparkle.py (100%)
 rename {nvchecker => nvchecker-old}/source/ubuntupkg.py (100%)
 rename {nvchecker => nvchecker-old}/source/vcs.py (100%)
 rename {nvchecker => nvchecker-old}/source/vcs.sh (100%)
 rename {nvchecker => nvchecker-old}/tools.py (100%)
 delete mode 100644 nvchecker/get_version.py
 rename nvchecker/{source => httpclient}/__init__.py (72%)
 rename nvchecker/{source => httpclient}/aiohttp_httpclient.py (100%)
 rename nvchecker/{source => httpclient}/httpclient.py (100%)
 rename nvchecker/{source => httpclient}/tornado_httpclient.py (94%)
 delete mode 100644 nvchecker/lib/notify.py
 delete mode 100644 nvchecker/source/aur.py
 create mode 100644 nvchecker/util.py
 create mode 100644 nvchecker_source/aur.py
 create mode 100644 nvchecker_source/none.py

diff --git a/NEW b/NEW
new file mode 100644
index 0000000..c8a334f
--- /dev/null
+++ b/NEW
@@ -0,0 +1,21 @@
+source file
+| parse
+entries: name, conf, global options
+| dedupe
+entries: names, conf, global options
+| dispatch
+one future per module
+| run; token queue; result queue
+result task, runner task
+| receive
+(names, result)
+| transform back
+(name, result)
+| runner task done
+| write record file
+file
+
+TODO:
+* dedupe & cache
+* update tests
+* update README
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..f3f5e64
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,13 @@
+[mypy]
+warn_unused_configs = True
+warn_redundant_casts = True
+warn_unused_ignores = True
+show_error_context = True
+show_column_numbers = True
+no_implicit_optional = True
+
+[mypy-structlog]
+ignore_missing_imports = True
+
+[mypy-pyalpm]
+ignore_missing_imports = True
diff --git a/nvchecker-old/get_version.py b/nvchecker-old/get_version.py
new file mode 100644
index 0000000..54c2d6c
--- /dev/null
+++ b/nvchecker-old/get_version.py
@@ -0,0 +1,57 @@
+# MIT licensed
+# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
+
+from importlib import import_module
+
+import structlog
+
+logger = structlog.get_logger(logger_name=__name__)
+
+_handler_precedence = (
+  'github', 'aur', 'pypi', 'archpkg', 'debianpkg', 'ubuntupkg',
+  'gems', 'pacman',
+  'cmd', 'bitbucket', 'regex', 'manual', 'vcs',
+  'cratesio', 'npm', 'hackage', 'cpan', 'gitlab', 'packagist',
+  'repology', 'anitya', 'android_sdk', 'sparkle', 'gitea'
+)
+
+_Task = namedtuple('_Task', 'batch_mode main args names')
+
+class Dispatcher:
+  def __init__(self):
+    self.futures = []
+    self.mods = {}
+    self.tasks_dedupe = {}
+
+  def add_task(self, name, conf, **kwargs):
+    for key in _handler_precedence:
+      if key not in conf:
+        continue
+
+      value = self.mods.get(key)
+      if not value:
+        mod = import_module(
+          '.source.' + key, __package__)
+        batch_mode = getattr(mod, 'BATCH_MODE', False)
+        if batch_mode:
+          main = mod.Batcher()
+        else:
+          main = mod.get_version
+        get_cacheable_conf = getattr(mod, 'get_cacheable_conf', lambda name, conf: conf)
+        self.mods[key] = batch_mode, main, get_cacheable_conf
+      else:
+        batch_mode, main, get_cacheable_conf = value
+
+      cacheable_conf = get_cacheable_conf(name, conf)
+      cache_key = tuple(sorted(cacheable_conf.items()))
+      task = self.tasks_dedupe.get(cache_key)
+      if task is None:
+        self.tasks_dedupe[cache_key] = _Task(
+          batch_mode, main, (cacheable_conf, kwargs), [name])
+      else:
+        task.names.append(name)
+
+    else:
+      logger.error(
+        'no idea to get version info.', name=name)
+
diff --git a/nvchecker/source/android_sdk.py b/nvchecker-old/source/android_sdk.py
similarity index 100%
rename from nvchecker/source/android_sdk.py
rename to nvchecker-old/source/android_sdk.py
diff --git a/nvchecker/source/anitya.py b/nvchecker-old/source/anitya.py
similarity index 100%
rename from nvchecker/source/anitya.py
rename to nvchecker-old/source/anitya.py
diff --git a/nvchecker/source/archpkg.py b/nvchecker-old/source/archpkg.py
similarity index 100%
rename from nvchecker/source/archpkg.py
rename to nvchecker-old/source/archpkg.py
diff --git a/nvchecker/source/bitbucket.py b/nvchecker-old/source/bitbucket.py
similarity index 100%
rename from nvchecker/source/bitbucket.py
rename to nvchecker-old/source/bitbucket.py
diff --git a/nvchecker/source/cmd.py b/nvchecker-old/source/cmd.py
similarity index 100%
rename from nvchecker/source/cmd.py
rename to nvchecker-old/source/cmd.py
diff --git a/nvchecker/source/cpan.py b/nvchecker-old/source/cpan.py
similarity index 100%
rename from nvchecker/source/cpan.py
rename to nvchecker-old/source/cpan.py
diff --git a/nvchecker/source/cratesio.py b/nvchecker-old/source/cratesio.py
similarity index 100%
rename from nvchecker/source/cratesio.py
rename to nvchecker-old/source/cratesio.py
diff --git a/nvchecker/source/debianpkg.py b/nvchecker-old/source/debianpkg.py
similarity index 100%
rename from nvchecker/source/debianpkg.py
rename to nvchecker-old/source/debianpkg.py
diff --git a/nvchecker/source/gems.py b/nvchecker-old/source/gems.py
similarity index 100%
rename from nvchecker/source/gems.py
rename to nvchecker-old/source/gems.py
diff --git a/nvchecker/source/gitea.py b/nvchecker-old/source/gitea.py
similarity index 100%
rename from nvchecker/source/gitea.py
rename to nvchecker-old/source/gitea.py
diff --git a/nvchecker/source/github.py b/nvchecker-old/source/github.py
similarity index 100%
rename from nvchecker/source/github.py
rename to nvchecker-old/source/github.py
diff --git a/nvchecker/source/gitlab.py b/nvchecker-old/source/gitlab.py
similarity index 100%
rename from nvchecker/source/gitlab.py
rename to nvchecker-old/source/gitlab.py
diff --git a/nvchecker/source/hackage.py b/nvchecker-old/source/hackage.py
similarity index 100%
rename from nvchecker/source/hackage.py
rename to nvchecker-old/source/hackage.py
diff --git a/nvchecker/source/manual.py b/nvchecker-old/source/manual.py
similarity index 100%
rename from nvchecker/source/manual.py
rename to nvchecker-old/source/manual.py
diff --git a/nvchecker/source/npm.py b/nvchecker-old/source/npm.py
similarity index 100%
rename from nvchecker/source/npm.py
rename to nvchecker-old/source/npm.py
diff --git a/nvchecker/source/packagist.py b/nvchecker-old/source/packagist.py
similarity index 100%
rename from nvchecker/source/packagist.py
rename to nvchecker-old/source/packagist.py
diff --git a/nvchecker/source/pacman.py b/nvchecker-old/source/pacman.py
similarity index 100%
rename from nvchecker/source/pacman.py
rename to nvchecker-old/source/pacman.py
diff --git a/nvchecker/source/pypi.py b/nvchecker-old/source/pypi.py
similarity index 100%
rename from nvchecker/source/pypi.py
rename to nvchecker-old/source/pypi.py
diff --git a/nvchecker/source/regex.py b/nvchecker-old/source/regex.py
similarity index 100%
rename from nvchecker/source/regex.py
rename to nvchecker-old/source/regex.py
diff --git a/nvchecker/source/repology.py b/nvchecker-old/source/repology.py
similarity index 100%
rename from nvchecker/source/repology.py
rename to nvchecker-old/source/repology.py
diff --git a/nvchecker/source/simple_json.py b/nvchecker-old/source/simple_json.py
similarity index 100%
rename from nvchecker/source/simple_json.py
rename to nvchecker-old/source/simple_json.py
diff --git a/nvchecker/source/sparkle.py b/nvchecker-old/source/sparkle.py
similarity index 100%
rename from nvchecker/source/sparkle.py
rename to nvchecker-old/source/sparkle.py
diff --git a/nvchecker/source/ubuntupkg.py b/nvchecker-old/source/ubuntupkg.py
similarity index 100%
rename from nvchecker/source/ubuntupkg.py
rename to nvchecker-old/source/ubuntupkg.py
diff --git a/nvchecker/source/vcs.py b/nvchecker-old/source/vcs.py
similarity index 100%
rename from nvchecker/source/vcs.py
rename to nvchecker-old/source/vcs.py
diff --git a/nvchecker/source/vcs.sh b/nvchecker-old/source/vcs.sh
similarity index 100%
rename from nvchecker/source/vcs.sh
rename to nvchecker-old/source/vcs.sh
diff --git a/nvchecker/tools.py b/nvchecker-old/tools.py
similarity index 100%
rename from nvchecker/tools.py
rename to nvchecker-old/tools.py
diff --git a/nvchecker/__init__.py b/nvchecker/__init__.py
index 9c1af1a..e0e86c6 100644
--- a/nvchecker/__init__.py
+++ b/nvchecker/__init__.py
@@ -1,4 +1,4 @@
 # MIT licensed
 # Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
 
-__version__ = '1.8dev'
+__version__ = '2.0dev'
diff --git a/nvchecker/__main__.py b/nvchecker/__main__.py
index bc2889a..2e065de 100755
--- a/nvchecker/__main__.py
+++ b/nvchecker/__main__.py
@@ -1,33 +1,23 @@
 #!/usr/bin/env python3
 # MIT licensed
-# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
+# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
 
+from __future__ import annotations
+
+import sys
 import argparse
 import asyncio
+from typing import Coroutine
 
 import structlog
 
-from .lib import notify
 from . import core
+from .util import VersData, RawResult
 
 logger = structlog.get_logger(logger_name=__name__)
 
-notifications = []
-args = None
-
-class Source(core.Source):
-  def on_update(self, name, version, oldver):
-    if args.notify:
-      msg = '%s updated to version %s' % (name, version)
-      notifications.append(msg)
-      notify.update('nvchecker', '\n'.join(notifications))
-
-def main():
-  global args
-
+def main() -> None:
   parser = argparse.ArgumentParser(description='New version checker for software')
-  parser.add_argument('-n', '--notify', action='store_true', default=False,
-                      help='show desktop notifications when a new version is available')
   parser.add_argument('-t', '--tries', default=1, type=int, metavar='N',
                       help='try N times when errors occur')
   core.add_common_arguments(parser)
@@ -36,12 +26,47 @@ def main():
     return
 
   if not args.file:
-    return
+    try:
+      file = open(core.get_default_config())
+    except FileNotFoundError:
+      sys.exit('version configuration file not given and default does not exist')
+  else:
+    file = args.file
 
-  s = Source(args.file, args.tries)
+  entries, options = core.load_file(file)
+  token_q = core.token_queue(options.max_concurrent)
+  result_q: asyncio.Queue[RawResult] = asyncio.Queue()
+  try:
+    futures = core.dispatch(
+      entries, token_q, result_q,
+      options.keymanager, args.tries,
+    )
+  except ModuleNotFoundError as e:
+    sys.exit(f'Error: {e}')
 
-  ioloop = asyncio.get_event_loop()
-  ioloop.run_until_complete(s.check())
+  if options.ver_files is not None:
+    oldvers = core.read_verfile(options.ver_files[0])
+  else:
+    oldvers = {}
+  result_coro = core.process_result(oldvers, result_q)
+  runner_coro = core.run_tasks(futures)
+
+  # asyncio.run doesn't work because it always creates new eventloops
+  loop = asyncio.get_event_loop()
+  newvers = loop.run_until_complete(run(result_coro, runner_coro))
+
+  if options.ver_files is not None:
+    core.write_verfile(options.ver_files[1], newvers)
+
+async def run(
+  result_coro: Coroutine[None, None, VersData],
+  runner_coro: Coroutine[None, None, None],
+) -> VersData:
+  result_fu = asyncio.create_task(result_coro)
+  runner_fu = asyncio.create_task(runner_coro)
+  await runner_fu
+  result_fu.cancel()
+  return await result_fu
 
 if __name__ == '__main__':
   main()
diff --git a/nvchecker/core.py b/nvchecker/core.py
index 934ac12..d0295ba 100644
--- a/nvchecker/core.py
+++ b/nvchecker/core.py
@@ -1,25 +1,43 @@
 # vim: se sw=2:
 # MIT licensed
-# Copyright (c) 2013-2018 lilydjwg <lilydjwg@gmail.com>, et al.
+# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
+from __future__ import annotations
 
 import os
 import sys
-import configparser
 import asyncio
+from asyncio import Queue
 import logging
+import argparse
+from typing import (
+  TextIO, Tuple, NamedTuple, Optional, List, Union,
+  cast, Dict, Awaitable, Sequence,
+)
+import types
+from pathlib import Path
+from importlib import import_module
+import re
 
 import structlog
+import toml
 
 from .lib import nicelogger
-from .get_version import get_version
-from .source import session
 from . import slogconf
-
+from .util import (
+  Entry, Entries, KeyManager, RawResult, Result, VersData,
+)
 from . import __version__
+from .sortversion import sort_version_keys
 
 logger = structlog.get_logger(logger_name=__name__)
 
-def add_common_arguments(parser):
+def get_default_config() -> str:
+  confdir = os.environ.get('XDG_CONFIG_DIR', os.path.expanduser('~/.config'))
+  file = os.path.join(confdir, 'nvchecker/nvchecker.toml')
+  return file
+
+def add_common_arguments(parser: argparse.ArgumentParser) -> None:
   parser.add_argument('-l', '--logging',
                       choices=('debug', 'info', 'warning', 'error'), default='info',
                       help='logging level (default: info)')
@@ -31,10 +49,11 @@ def add_common_arguments(parser):
                       help='specify fd to send json logs to. stdout by default')
   parser.add_argument('-V', '--version', action='store_true',
                       help='show version and exit')
-  parser.add_argument('file', metavar='FILE', nargs='?', type=open,
-                      help='software version source file')
+  parser.add_argument('-c', '--file',
+                      metavar='FILE', type=open,
+                      help='software version configuration file [default: %s]' % get_default_config)
 
-def process_common_arguments(args):
+def process_common_arguments(args: argparse.Namespace) -> bool:
   '''return True if should stop'''
   processors = [
     slogconf.exc_info,
@@ -71,8 +90,10 @@ def process_common_arguments(args):
     progname = os.path.basename(sys.argv[0])
     print('%s v%s' % (progname, __version__))
     return True
+  return False
 
-def safe_overwrite(fname, data, *, method='write', mode='w', encoding=None):
+def safe_overwrite(fname: str, data: Union[bytes, str], *,
+                   method: str = 'write', mode: str = 'w', encoding: Optional[str] = None) -> None:
   # FIXME: directory has no read perm
   # FIXME: symlinks and hard links
   tmpname = fname + '.tmp'
@@ -85,7 +106,7 @@ def safe_overwrite(fname, data, *, method='write', mode='w', encoding=None):
   # if the above write failed (because disk is full etc), the old data should be kept
   os.rename(tmpname, fname)
 
-def read_verfile(file):
+def read_verfile(file: Path) -> VersData:
   v = {}
   try:
     with open(file) as f:
@@ -96,134 +117,199 @@ def read_verfile(file):
     pass
   return v
 
-def write_verfile(file, versions):
-  # sort using only alphanums, as done by the sort command, and needed by
-  # comm command
+def write_verfile(file: Path, versions: VersData) -> None:
+  # sort using only alphanums, as done by the sort command,
+  # and needed by comm command
   data = ['%s %s\n' % item
           for item in sorted(versions.items(), key=lambda i: (''.join(filter(str.isalnum, i[0])), i[1]))]
-  safe_overwrite(file, data, method='writelines')
+  safe_overwrite(
+    str(file), ''.join(data), method='writelines')
 
-class Source:
-  oldver = newver = None
-  tries = 1
+class Options(NamedTuple):
+  ver_files: Optional[Tuple[Path, Path]]
+  max_concurrent: int
+  keymanager: KeyManager
 
-  def __init__(self, file, tries=1):
-    self.config = config = configparser.ConfigParser(
-      dict_type=dict, allow_no_value=True, interpolation=None,
+def load_file(
+  file: TextIO,
+) -> Tuple[Entries, Options]:
+  config = toml.load(file)
+  ver_files: Optional[Tuple[Path, Path]] = None
+
+  if '__config__' in config:
+    c = config.pop('__config__')
+    d = Path(file.name).parent
+
+    if 'oldver' in c and 'newver' in c:
+      oldver_s = os.path.expandvars(
+        os.path.expanduser(c.get('oldver')))
+      oldver = d / oldver_s
+      newver_s = os.path.expandvars(
+        os.path.expanduser(c.get('newver')))
+      newver = d / newver_s
+      ver_files = oldver, newver
+
+    keyfile = c.get('keyfile')
+    if keyfile:
+      keyfile_s = os.path.expandvars(
+        os.path.expanduser(c.get('keyfile')))
+      keyfile = d / keyfile_s
+
+    max_concurrent = c.getint(
+      'max_concurrent', 20)
+    keymanager = KeyManager(keyfile)
+
+  else:
+    max_concurrent = 20
+    keymanager = KeyManager(None)
+
+  return cast(Entries, config), Options(
+    ver_files, max_concurrent, keymanager)
+
+def token_queue(maxsize: int) -> Queue[bool]:
+  token_q: Queue[bool] = Queue(maxsize=maxsize)
+
+  for _ in range(maxsize):
+    token_q.put_nowait(True)
+
+  return token_q
+
+def dispatch(
+  entries: Entries,
+  token_q: Queue[bool],
+  result_q: Queue[RawResult],
+  keymanager: KeyManager,
+  tries: int,
+) -> List[asyncio.Future]:
+  mods: Dict[str, Tuple[types.ModuleType, List]] = {}
+  for name, entry in entries.items():
+    source = entry.get('source', 'none')
+    if source not in mods:
+      mod = import_module('nvchecker_source.' + source)
+      tasks: List[Tuple[str, Entry]] = []
+      mods[source] = mod, tasks
+    else:
+      tasks = mods[source][1]
+    tasks.append((name, entry))
+
+  ret = []
+  for mod, tasks in mods.values():
+    worker = mod.Worker( # type: ignore
+      token_q, result_q, tasks,
+      tries, keymanager,
     )
-    self.name = file.name
-    self.tries = tries
-    config.read_file(file)
-    if '__config__' in config:
-      c = config['__config__']
+    ret.append(worker.run())
 
-      d = os.path.dirname(file.name)
-      if 'oldver' in c and 'newver' in c:
-        self.oldver = os.path.expandvars(os.path.expanduser(
-          os.path.join(d, c.get('oldver'))))
-        self.newver = os.path.expandvars(os.path.expanduser(
-          os.path.join(d, c.get('newver'))))
+  return ret
 
-      keyfile = c.get('keyfile')
-      if keyfile:
-        keyfile = os.path.expandvars(os.path.expanduser(
-          os.path.join(d, c.get('keyfile'))))
+def substitute_version(
+  version: str, conf: Entry,
+) -> str:
+  '''
+  Substitute the version string via defined rules in the configuration file.
+  See README.rst#global-options for details.
+  '''
+  prefix = conf.get('prefix')
+  if prefix:
+    if version.startswith(prefix):
+      version = version[len(prefix):]
+    return version
 
-      self.max_concurrent = c.getint('max_concurrent', 20)
-      self.keymanager = KeyManager(keyfile)
-      session.nv_config = config["__config__"]
+  from_pattern = conf.get('from_pattern')
+  if from_pattern:
+    to_pattern = conf.get('to_pattern')
+    if not to_pattern:
+      raise ValueError("from_pattern exists but to_pattern doesn't")
 
-    else:
-      self.max_concurrent = 20
-      self.keymanager = KeyManager(None)
+    return re.sub(from_pattern, to_pattern, version)
 
-  async def check(self):
-    if self.oldver:
-      self.oldvers = read_verfile(self.oldver)
-    else:
-      self.oldvers = {}
-    self.curvers = self.oldvers.copy()
+  # No substitution rules found. Just return the original version string.
+  return version
 
-    tries = self.tries
-    token_q = asyncio.Queue(maxsize=self.max_concurrent)
+def apply_list_options(
+  versions: List[str], conf: Entry,
+) -> Optional[str]:
+  pattern = conf.get('include_regex')
+  if pattern:
+    re_pat = re.compile(pattern)
+    versions = [x for x in versions
+                if re_pat.fullmatch(x)]
 
-    for _ in range(self.max_concurrent):
-      await token_q.put(True)
+  pattern = conf.get('exclude_regex')
+  if pattern:
+    re_pat = re.compile(pattern)
+    versions = [x for x in versions
+                if not re_pat.fullmatch(x)]
 
-    async def worker(name, conf):
-      await token_q.get()
-      try:
-        for i in range(tries):
-          try:
-            ret = await get_version(
-              name, conf, keyman=self.keymanager)
-            return name, ret
-          except Exception as e:
-            if i + 1 < tries:
-              logger.warning('failed, retrying',
-                             name=name, exc_info=e)
-              await asyncio.sleep(i)
-            else:
-              return name, e
-      finally:
-        await token_q.put(True)
+  ignored = set(conf.get('ignored', '').split())
+  if ignored:
+    versions = [x for x in versions if x not in ignored]
 
-    config = self.config
-    futures = []
-    for name in config.sections():
-      if name == '__config__':
+  if not versions:
+    return None
+
+  sort_version_key = sort_version_keys[
+    conf.get("sort_version_key", "parse_version")]
+  versions.sort(key=sort_version_key)
+
+  return versions[-1]
+
+def _process_result(r: RawResult) -> Optional[Result]:
+  version = r.version
+  conf = r.conf
+  name = r.name
+
+  if isinstance(version, Exception):
+    logger.error('unexpected error happened',
+                  name=r.name, exc_info=r.version)
+    return None
+  elif isinstance(version, list):
+    version_str = apply_list_options(version, conf)
+  else:
+    version_str = version
+
+  if version_str:
+    version_str = version_str.replace('\n', ' ')
+
+    try:
+      version_str = substitute_version(version_str, conf)
+      return Result(name, version_str, conf)
+    except (ValueError, re.error):
+      logger.exception('error occurred in version substitutions', name=name)
+
+  return None
+
+def check_version_update(
+  oldvers: VersData, name: str, version: str,
+) -> Optional[str]:
+  oldver = oldvers.get(name, None)
+  if not oldver or oldver != version:
+    logger.info('updated', name=name, version=version, old_version=oldver)
+    return version
+  else:
+    logger.debug('up-to-date', name=name, version=version)
+    return None
+
+async def process_result(
+  oldvers: VersData,
+  result_q: Queue[RawResult],
+) -> VersData:
+  ret = {}
+  try:
+    while True:
+      r = await result_q.get()
+      r1 = _process_result(r)
+      if r1 is None:
         continue
+      v = check_version_update(
+        oldvers, r1.name, r1.version)
+      if v is not None:
+        ret[r1.name] = v
+  except asyncio.CancelledError:
+    return ret
 
-      conf = config[name]
-      conf['oldver'] = self.oldvers.get(name, None)
-      fu = asyncio.ensure_future(worker(name, conf))
-      futures.append(fu)
-
-    for fu in asyncio.as_completed(futures):
-      name, result = await fu
-      if isinstance(result, Exception):
-        logger.error('unexpected error happened',
-                     name=name, exc_info=result)
-        self.on_exception(name, result)
-      elif result is not None:
-        self.print_version_update(name, result)
-      else:
-        conf = config[name]
-        if not conf.getboolean('missing_ok', False):
-          logger.warning('no-result', name=name)
-        self.on_no_result(name)
-
-    if self.newver:
-      write_verfile(self.newver, self.curvers)
-
-  def print_version_update(self, name, version):
-    oldver = self.oldvers.get(name, None)
-    if not oldver or oldver != version:
-      logger.info('updated', name=name, version=version, old_version=oldver)
-      self.curvers[name] = version
-      self.on_update(name, version, oldver)
-    else:
-      logger.debug('up-to-date', name=name, version=version)
-
-  def on_update(self, name, version, oldver):
-    pass
-
-  def on_no_result(self, name):
-    pass
-
-  def on_exception(self, name, exc):
-    pass
-
-  def __repr__(self):
-    return '<Source from %r>' % self.name
-
-class KeyManager:
-  def __init__(self, file):
-    self.config = config = configparser.ConfigParser(dict_type=dict)
-    if file is not None:
-      config.read([file])
-    else:
-      config.add_section('keys')
-
-  def get_key(self, name):
-    return self.config.get('keys', name, fallback=None)
+async def run_tasks(
+  futures: Sequence[Awaitable[None]]
+) -> None:
+  for fu in asyncio.as_completed(futures):
+    await fu
diff --git a/nvchecker/get_version.py b/nvchecker/get_version.py
deleted file mode 100644
index 3e7750b..0000000
--- a/nvchecker/get_version.py
+++ /dev/null
@@ -1,105 +0,0 @@
-# MIT licensed
-# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
-
-import re
-from importlib import import_module
-
-import structlog
-
-from .sortversion import sort_version_keys
-
-logger = structlog.get_logger(logger_name=__name__)
-
-handler_precedence = (
-  'github', 'aur', 'pypi', 'archpkg', 'debianpkg', 'ubuntupkg',
-  'gems', 'pacman',
-  'cmd', 'bitbucket', 'regex', 'manual', 'vcs',
-  'cratesio', 'npm', 'hackage', 'cpan', 'gitlab', 'packagist',
-  'repology', 'anitya', 'android_sdk', 'sparkle', 'gitea'
-)
-
-def substitute_version(version, name, conf):
-  '''
-  Substitute the version string via defined rules in the configuration file.
-  See README.rst#global-options for details.
-  '''
-  prefix = conf.get('prefix')
-  if prefix:
-    if version.startswith(prefix):
-      version = version[len(prefix):]
-    return version
-
-  from_pattern = conf.get('from_pattern')
-  if from_pattern:
-    to_pattern = conf.get('to_pattern')
-    if not to_pattern:
-      raise ValueError('%s: from_pattern exists but to_pattern doesn\'t', name)
-
-    return re.sub(from_pattern, to_pattern, version)
-
-  # No substitution rules found. Just return the original version string.
-  return version
-
-def apply_list_options(versions, conf):
-  pattern = conf.get('include_regex')
-  if pattern:
-    pattern = re.compile(pattern)
-    versions = [x for x in versions
-                if pattern.fullmatch(x)]
-
-  pattern = conf.get('exclude_regex')
-  if pattern:
-    pattern = re.compile(pattern)
-    versions = [x for x in versions
-                if not pattern.fullmatch(x)]
-
-  ignored = set(conf.get('ignored', '').split())
-  if ignored:
-    versions = [x for x in versions if x not in ignored]
-
-  if not versions:
-    return
-
-  sort_version_key = sort_version_keys[
-    conf.get("sort_version_key", "parse_version")]
-  versions.sort(key=sort_version_key)
-
-  return versions[-1]
-
-_cache = {}
-
-async def get_version(name, conf, **kwargs):
-  for key in handler_precedence:
-    if key in conf:
-      mod = import_module('.source.' + key, __package__)
-      func = mod.get_version
-      get_cacheable_conf = getattr(mod, 'get_cacheable_conf', lambda name, conf: conf)
-      break
-  else:
-    logger.error('no idea to get version info.', name=name)
-    return
-
-  cacheable_conf = get_cacheable_conf(name, conf)
-  cache_key = tuple(sorted(cacheable_conf.items()))
-  if cache_key in _cache:
-    version = _cache[cache_key]
-    logger.debug('cache hit', name=name,
-                 cache_key=cache_key, cached=version)
-    return version
-
-  version = await func(name, conf, **kwargs)
-
-  if isinstance(version, list):
-    version = apply_list_options(version, conf)
-
-  if version:
-    version = version.replace('\n', ' ')
-    try:
-      version = substitute_version(version, name, conf)
-    except (ValueError, re.error):
-      logger.exception('error occurred in version substitutions', name=name)
-
-  if version is not None:
-    _cache[cache_key] = version
-
-  return version
diff --git a/nvchecker/source/__init__.py b/nvchecker/httpclient/__init__.py
similarity index 72%
rename from nvchecker/source/__init__.py
rename to nvchecker/httpclient/__init__.py
index ae79e12..024d9b0 100644
--- a/nvchecker/source/__init__.py
+++ b/nvchecker/httpclient/__init__.py
@@ -19,10 +19,3 @@ m = __import__('%s_httpclient' % which, globals(), locals(), level=1)
 __all__ = m.__all__
 for x in __all__:
   globals()[x] = getattr(m, x)
-
-def conf_cacheable_with_name(key):
-  def get_cacheable_conf(name, conf):
-    conf = dict(conf)
-    conf[key] = conf.get(key) or name
-    return conf
-  return get_cacheable_conf
diff --git a/nvchecker/source/aiohttp_httpclient.py b/nvchecker/httpclient/aiohttp_httpclient.py
similarity index 100%
rename from nvchecker/source/aiohttp_httpclient.py
rename to nvchecker/httpclient/aiohttp_httpclient.py
diff --git a/nvchecker/source/httpclient.py b/nvchecker/httpclient/httpclient.py
similarity index 100%
rename from nvchecker/source/httpclient.py
rename to nvchecker/httpclient/httpclient.py
diff --git a/nvchecker/source/tornado_httpclient.py b/nvchecker/httpclient/tornado_httpclient.py
similarity index 94%
rename from nvchecker/source/tornado_httpclient.py
rename to nvchecker/httpclient/tornado_httpclient.py
index c8ce818..124a3d7 100644
--- a/nvchecker/source/tornado_httpclient.py
+++ b/nvchecker/httpclient/tornado_httpclient.py
@@ -11,7 +11,7 @@ try:
   import pycurl
   AsyncHTTPClient.configure("tornado.curl_httpclient.CurlAsyncHTTPClient", max_clients=20)
 except ImportError:
-  pycurl = None
+  pycurl = None # type: ignore
 
 from .httpclient import DEFAULT_USER_AGENT
 
@@ -76,8 +76,8 @@ async def json_response(self, **kwargs):
 async def read(self):
   return self.body
 
-HTTPResponse.json = json_response
-HTTPResponse.read = read
+HTTPResponse.json = json_response # type: ignore
+HTTPResponse.read = read # type: ignore
 session = Session()
 
 NetworkErrors = ()
diff --git a/nvchecker/lib/README.md b/nvchecker/lib/README.md
index 4bb0a99..0e4ffe4 100644
--- a/nvchecker/lib/README.md
+++ b/nvchecker/lib/README.md
@@ -1 +1 @@
-This directory belongs to modules from my [winterpy](https://github.com/lilydjwg/winterpy) and can be synced from there without care.
+This directory contains modules from my [winterpy](https://github.com/lilydjwg/winterpy).
diff --git a/nvchecker/lib/__init__.py b/nvchecker/lib/__init__.py
index e69de29..6ccd251 100644
--- a/nvchecker/lib/__init__.py
+++ b/nvchecker/lib/__init__.py
@@ -0,0 +1,3 @@
+# MIT licensed
+# Copyright (c) 2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
diff --git a/nvchecker/lib/nicelogger.py b/nvchecker/lib/nicelogger.py
index b4e627b..841add2 100644
--- a/nvchecker/lib/nicelogger.py
+++ b/nvchecker/lib/nicelogger.py
@@ -44,8 +44,7 @@ class TornadoLogFormatter(logging.Formatter):
       record.message = "Bad message (%r): %r" % (e, record.__dict__)
     record.asctime = time.strftime(
       "%m-%d %H:%M:%S", self.converter(record.created))
-    record.asctime += '.%03d' % ((record.created % 1) * 1000)
-    prefix = '[%(levelname)1.1s %(asctime)s %(module)s:%(lineno)d]' % \
+    prefix = '[%(levelname)1.1s %(asctime)s.%(msecs)03d %(module)s:%(lineno)d]' % \
       record.__dict__
     if self._color:
       prefix = (self._colors.get(record.levelno, self._normal) +
diff --git a/nvchecker/lib/notify.py b/nvchecker/lib/notify.py
deleted file mode 100644
index ce831bb..0000000
--- a/nvchecker/lib/notify.py
+++ /dev/null
@@ -1,102 +0,0 @@
-# MIT licensed
-# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
-
-'''
-调用 libnotify
-'''
-
-__all__ = ["set", "show", "update", "set_timeout", "set_urgency"]
-
-from ctypes import *
-from threading import Lock
-import atexit
-
-NOTIFY_URGENCY_LOW = 0
-NOTIFY_URGENCY_NORMAL = 1
-NOTIFY_URGENCY_CRITICAL = 2
-UrgencyLevel = {NOTIFY_URGENCY_LOW, NOTIFY_URGENCY_NORMAL, NOTIFY_URGENCY_CRITICAL}
-
-libnotify = None
-gobj = None
-libnotify_lock = Lock()
-libnotify_inited = False
-
-class obj: pass
-notify_st = obj()
-
-def set(summary=None, body=None, icon_str=None):
-  with libnotify_lock:
-    init()
-
-  if summary is not None:
-    notify_st.summary = summary.encode()
-  notify_st.body = notify_st.icon_str = None
-  if body is not None:
-    notify_st.body = body.encode()
-  if icon_str is not None:
-    notify_st.icon_str = icon_str.encode()
-
-  libnotify.notify_notification_update(
-    notify_st.notify,
-    notify_st.summary,
-    notify_st.body,
-    notify_st.icon_str,
-  )
-
-def show():
-  libnotify.notify_notification_show(notify_st.notify, c_void_p())
-
-def update(summary=None, body=None, icon_str=None):
-  if not any((summary, body)):
-    raise TypeError('at least one argument please')
-
-  set(summary, body, icon_str)
-  show()
-
-def set_timeout(self, timeout):
-  '''set `timeout' in milliseconds'''
-  libnotify.notify_notification_set_timeout(notify_st.notify, int(timeout))
-
-def set_urgency(self, urgency):
-  if urgency not in UrgencyLevel:
-    raise ValueError
-  libnotify.notify_notification_set_urgency(notify_st.notify, urgency)
-
-def init():
-  global libnotify_inited, libnotify, gobj
-  if libnotify_inited:
-    return
-
-  try:
-    libnotify = CDLL('libnotify.so')
-  except OSError:
-    libnotify = CDLL('libnotify.so.4')
-  gobj = CDLL('libgobject-2.0.so')
-
-  libnotify.notify_init('pynotify')
-  libnotify_inited = True
-
-  libnotify.notify_notification_new.restype = c_void_p
-  notify_st.notify = c_void_p(libnotify.notify_notification_new(
-    c_void_p(), c_void_p(), c_void_p(),
-  ))
-  atexit.register(uninit)
-
-def uninit():
-  global libnotify_inited
-  try:
-    if libnotify_inited:
-      gobj.g_object_unref(notify_st.notify)
-      libnotify.notify_uninit()
-      libnotify_inited = False
-  except AttributeError:
-    # libnotify.so 已被卸载
-    pass
-
-if __name__ == '__main__':
-  from time import sleep
-  notify = __import__('__main__')
-  notify.set('This is a test', '测试一下。')
-  notify.show()
-  sleep(1)
-  notify.update(body='再测试一下。')
diff --git a/nvchecker/slogconf.py b/nvchecker/slogconf.py
index 32fb5fd..73cd092 100644
--- a/nvchecker/slogconf.py
+++ b/nvchecker/slogconf.py
@@ -10,7 +10,7 @@ import sys
 
 import structlog
 
-from .source import HTTPError, NetworkErrors
+from .httpclient import HTTPError, NetworkErrors # type: ignore
 
 def _console_msg(event):
   evt = event['event']
diff --git a/nvchecker/source/aur.py b/nvchecker/source/aur.py
deleted file mode 100644
index 8118a41..0000000
--- a/nvchecker/source/aur.py
+++ /dev/null
@@ -1,31 +0,0 @@
-# MIT licensed
-# Copyright (c) 2013-2017 lilydjwg <lilydjwg@gmail.com>, et al.
-
-import structlog
-from datetime import datetime
-
-from . import session, conf_cacheable_with_name
-
-logger = structlog.get_logger(logger_name=__name__)
-
-AUR_URL = 'https://aur.archlinux.org/rpc/'
-
-get_cacheable_conf = conf_cacheable_with_name('aur')
-
-async def get_version(name, conf, **kwargs):
-  aurname = conf.get('aur') or name
-  use_last_modified = conf.getboolean('use_last_modified', False)
-  strip_release = conf.getboolean('strip-release', False)
-  async with session.get(AUR_URL, params={"v": 5, "type": "info", "arg[]": aurname}) as res:
-    data = await res.json()
-
-  if not data['results']:
-    logger.error('AUR upstream not found', name=name)
-    return
-
-  version = data['results'][0]['Version']
-  if use_last_modified:
-    version += '-' + datetime.utcfromtimestamp(data['results'][0]['LastModified']).strftime('%Y%m%d%H%M%S')
-  if strip_release and '-' in version:
-    version = version.rsplit('-', 1)[0]
-  return version
diff --git a/nvchecker/util.py b/nvchecker/util.py
new file mode 100644
index 0000000..676727c
--- /dev/null
+++ b/nvchecker/util.py
@@ -0,0 +1,72 @@
+# MIT licensed
+# Copyright (c) 2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
+from __future__ import annotations
+
+from asyncio import Queue
+import contextlib
+from typing import (
+  Dict, Optional, List, AsyncGenerator, NamedTuple, Union,
+  Any, Tuple,
+)
+from pathlib import Path
+
+import toml
+
+Entry = Dict[str, Any]
+Entries = Dict[str, Entry]
+VersData = Dict[str, str]
+
+class KeyManager:
+  def __init__(
+    self, file: Optional[Path],
+  ) -> None:
+    if file is not None:
+      with file.open() as f:
+        keys = toml.load(f)['keys']
+    else:
+      keys = {}
+    self.keys = keys
+
+  def get_key(self, name: str) -> Optional[str]:
+    return self.keys.get(name)
+
+class BaseWorker:
+  def __init__(
+    self,
+    token_q: Queue[bool],
+    result_q: Queue[RawResult],
+    tasks: List[Tuple[str, Entry]],
+    tries: int,
+    keymanager: KeyManager,
+  ) -> None:
+    self.token_q = token_q
+    self.result_q = result_q
+    self.tries = tries
+    self.keymanager = keymanager
+    self.tasks = tasks
+
+  @contextlib.asynccontextmanager
+  async def acquire_token(self) -> AsyncGenerator[None, None]:
+    token = await self.token_q.get()
+    try:
+      yield
+    finally:
+      await self.token_q.put(token)
+
+class RawResult(NamedTuple):
+  name: str
+  version: Union[Exception, List[str], str]
+  conf: Entry
+
+class Result(NamedTuple):
+  name: str
+  version: str
+  conf: Entry
+
+def conf_cacheable_with_name(key):
+  def get_cacheable_conf(name, conf):
+    conf = dict(conf)
+    conf[key] = conf.get(key) or name
+    return conf
+  return get_cacheable_conf
diff --git a/nvchecker_source/aur.py b/nvchecker_source/aur.py
new file mode 100644
index 0000000..cfc695e
--- /dev/null
+++ b/nvchecker_source/aur.py
@@ -0,0 +1,84 @@
+# MIT licensed
+# Copyright (c) 2013-2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
+import structlog
+from datetime import datetime
+import asyncio
+from typing import Iterable, Dict, List, Tuple, Any
+
+from nvchecker.util import (
+  Entry, BaseWorker, RawResult,
+  conf_cacheable_with_name,
+)
+from nvchecker.httpclient import session # type: ignore
+
+get_cacheable_conf = conf_cacheable_with_name('aur')
+
+logger = structlog.get_logger(logger_name=__name__)
+
+AUR_URL = 'https://aur.archlinux.org/rpc/'
+
+class Worker(BaseWorker):
+  # https://wiki.archlinux.org/index.php/Aurweb_RPC_interface#Limitations
+  batch_size = 100
+
+  async def run(self) -> None:
+    tasks = self.tasks
+    n_batch, left = divmod(len(tasks), self.batch_size)
+    if left > 0:
+      n_batch += 1
+
+    ret = []
+    for i in range(n_batch):
+      s = i * self.batch_size
+      batch = tasks[s : s+self.batch_size]
+      fu = self._run_batch(batch)
+      ret.append(fu)
+
+    await asyncio.wait(ret)
+
+  async def _run_batch(self, batch: List[Tuple[str, Entry]]) -> None:
+    task_by_name: Dict[str, Entry] = dict(self.tasks)
+    async with self.acquire_token():
+      results = await _run_batch_impl(batch)
+      for name, version in results.items():
+        r = RawResult(name, version, task_by_name[name])
+        await self.result_q.put(r)
+
+async def _run_batch_impl(batch: List[Tuple[str, Entry]]) -> Dict[str, str]:
+  aurnames = {conf.get('aur', name) for name, conf in batch}
+  results = await _aur_get_multiple(aurnames)
+
+  ret = {}
+
+  for name, conf in batch:
+    aurname = conf.get('aur', name)
+    use_last_modified = conf.get('use_last_modified', False)
+    strip_release = conf.get('strip-release', False)
+
+    result = results.get(aurname)
+
+    if result is None:
+      logger.error('AUR upstream not found', name=name)
+      continue
+
+    version = result['Version']
+    if use_last_modified:
+      version += '-' + datetime.utcfromtimestamp(result['LastModified']).strftime('%Y%m%d%H%M%S')
+    if strip_release and '-' in version:
+      version = version.rsplit('-', 1)[0]
+
+    ret[name] = version
+
+  return ret
+
+async def _aur_get_multiple(
+  aurnames: Iterable[str],
+) -> Dict[str, Dict[str, Any]]:
+  params = [('v', '5'), ('type', 'info')]
+  params.extend(('arg[]', name) for name in aurnames)
+  async with session.get(AUR_URL, params=params) as res:
+    data = await res.json()
+  results = {r['Name']: r for r in data['results']}
+  return results
+
diff --git a/nvchecker_source/none.py b/nvchecker_source/none.py
new file mode 100644
index 0000000..6dd7cdc
--- /dev/null
+++ b/nvchecker_source/none.py
@@ -0,0 +1,15 @@
+# MIT licensed
+# Copyright (c) 2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
+from __future__ import annotations
+
+import structlog
+from nvchecker.util import BaseWorker
+
+logger = structlog.get_logger(logger_name=__name__)
+
+class Worker(BaseWorker):
+  async def run(self) -> None:
+    async with self.acquire_token():
+      for name, _ in self.tasks:
+        logger.error('no source specified', name=name)
diff --git a/setup.py b/setup.py
index 613cc68..af2aa07 100755
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ setup(
   zip_safe = False,
 
   packages = find_packages(exclude=["tests"]),
-  install_requires = ['setuptools', 'structlog', 'tornado>=6', 'pycurl'],
+  install_requires = ['setuptools', 'toml', 'structlog', 'tornado>=6', 'pycurl'],
   extras_require = {
     'vercmp': ['pyalpm'],
   },
@@ -50,8 +50,6 @@ setup(
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.5",
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Topic :: Internet",
diff --git a/tests/__init__.py b/tests/__init__.py
index e69de29..6ccd251 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -0,0 +1,3 @@
+# MIT licensed
+# Copyright (c) 2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
diff --git a/tests/conftest.py b/tests/conftest.py
index fe3faed..89f5381 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,3 +1,6 @@
+# MIT licensed
+# Copyright (c) 2020 lilydjwg <lilydjwg@gmail.com>, et al.
+
 import configparser
 import pytest
 import asyncio