Copies from austinpray/kizuna and pkg for pypi

Author: austinpray

.gitignore

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+### Python template
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+

LICENSE

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+MIT License
+
+Copyright (c) 2018 Austin Pray
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+.PHONY: build publish
+
+build:
+	python setup.py sdist bdist_wheel
+
+publish:
+	twine upload dist/*

README.md

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+# python-slacktools
+
+A toolbelt for working with the [Slack][] APIs in python.
+
+[Slack]: https://api.slack.com/

setup.py

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+# -*- coding: utf-8 -*-
+from setuptools import setup, find_packages
+import io
+import os
+import re
+
+
+def read(*names, **kwargs):
+    with io.open(
+            os.path.join(os.path.dirname(__file__), *names),
+            encoding=kwargs.get("encoding", "utf8")
+    ) as fp:
+        return fp.read()
+
+
+long_description = read('README.md')
+
+
+def find_version(*file_paths):
+    version_file = read(*file_paths)
+    version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", version_file, re.M)
+    if version_match:
+        return version_match.group(1)
+    raise RuntimeError("Unable to find version string.")
+
+
+setup(name='slacktools',
+      version=find_version('slacktools', 'version.py'),
+      description='Toolbelt for Slack API clients for Web API and RTM API',
+      long_description=long_description,
+      long_description_content_type="text/markdown",
+      url='https://github.com/austinpray/python-slacktools',
+      author='Austin Pray',
+      author_email='[email protected]',
+      license='MIT',
+      classifiers=[
+          #'Development Status :: 5 - Production/Stable',
+          'Development Status :: 2 - Pre-Alpha',
+          'Intended Audience :: Developers',
+          'Topic :: Communications :: Chat',
+          'Topic :: System :: Networking',
+          'Topic :: Office/Business',
+          'License :: OSI Approved :: MIT License',
+          'Programming Language :: Python :: 3.6',
+          'Programming Language :: Python :: 3.7',
+      ],
+      keywords='slack slack-web slack-rtm slacktools chat chatbots bots chatops',
+      packages=find_packages(exclude=['docs', 'tests']),
+      install_requires=[
+          # ayy
+      ])

slacktools/__init__.py

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+from .verify import verify_request

slacktools/slack.py

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+import re
+from argparse import ArgumentParser
+from functools import partial
+
+from kizuna.models import User
+
+
+def format_slack_mention(slack_id: str):
+    return f"<@{slack_id}>"
+
+
+user_id_regex = '^<@(U[A-Za-z0-9]{8,})>$'
+
+
+def extract_mentions(text):
+    return set(re.findall(r"<@(\S+)>", text, re.DOTALL))
+
+
+def get_user_id_from_mention(m: str):
+    match = re.match(user_id_regex, m)
+    if not match:
+        return None
+
+    return match.group(1)
+
+
+def is_user_mention(s: str) -> bool:
+    """user mentions should be in format <@UXXXXXXXX>"""
+
+    if not s or not re.match(user_id_regex, s):
+        return False
+
+    return True
+
+
+def send(slack_client, channel, text):
+    return slack_client.api_call("chat.postMessage",
+                                 channel=channel,
+                                 text=text,
+                                 as_user=True)
+
+
+def reply(slack_client, message, text):
+    return slack_client.api_call("chat.postMessage",
+                                 channel=message['channel'],
+                                 text=f"{format_slack_mention(message['user'])} {text}",
+                                 as_user=True)
+
+
+def send_factory(slack_client, channel):
+    return partial(send, slack_client, channel)
+
+
+def send_ephemeral(slack_client, channel, user, text):
+    if isinstance(user, User):
+        user = user.slack_id
+
+    return slack_client.api_call("chat.postEphemeral",
+                                 channel=channel,
+                                 user=user,
+                                 text=text,
+                                 as_user=True)
+
+
+def send_ephemeral_factory(slack_client, channel, user):
+    return partial(send_ephemeral, slack_client, channel, user)
+
+
+class SlackArgumentParserException(Exception):
+    pass
+
+
+class SlackArgumentParser(ArgumentParser):
+    def error(self, message):
+        raise SlackArgumentParserException(message)
+
+
+def slack_link(text, url):
+    return '<{}|{}>'.format(url, text)

slacktools/verify.py

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+from time import time
+import hmac
+from hashlib import sha256
+
+class SignatureVersionException(ValueError): pass
+
+def verify_request(slack_signing_secret: str, timestamp: int, body: str, slack_signature: str):
+    """https://api.slack.com/docs/verifying-requests-from-slack"""
+
+    if not slack_signing_secret:
+        raise ValueError('slack_signing_secret not provided')
+    if not timestamp or not isinstance(timestamp, int):
+        raise ValueError('timestamp is not good int')
+    if not body:
+        raise ValueError('body not provided')
+    if not slack_signature:
+        raise ValueError('signature not provided')
+    if not slack_signature.startswith('v0'):
+        raise SignatureVersionException(f"expected the signature to be version 'v0' but got '{slack_signature[:2]}'")
+
+    if abs(time() - timestamp) > 60 * 5:
+        # The request timestamp is more than five minutes from local time.
+        # It could be a replay attack, so let's ignore it.
+        return False
+
+    sig_basestring = f"v0:{timestamp}:{body}"
+
+    my_signature = 'v0=' + hmac.new(
+        slack_signing_secret.encode(),
+        sig_basestring.encode(),
+        sha256
+    ).hexdigest()
+
+    print(slack_signature)
+    print(my_signature)
+
+    return hmac.compare_digest(my_signature, slack_signature)

slacktools/version.py

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+# see: http://legacy.python.org/dev/peps/pep-0440/#public-version-identifiers
+__version__ = '0.0.2'