Fuck it we shipping boys

.env.example

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+SLACK_API_TOKEN=xoxb-BOGUS

.gitignore

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+# project specific
+
+/.env
+
+# python stuff below
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

Dockerfile

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+FROM python:3.6-stretch
+
+ENV workdir /kizuna
+
+WORKDIR ${workdir}
+
+RUN apt-get update \
+    && apt-get install -y graphviz
+
+COPY requirements.txt ${workdir}/requirements.txt
+RUN pip install -r requirements.txt
+
+COPY . ${workdir}
+
+CMD ["python", "-u", "./bot.py"]

alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = db
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+#truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to db/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat db/versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

bot.py

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+import os
+import signal
+import sys
+import time
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from slackclient import SlackClient
+
+from kizuna.Kizuna import Kizuna
+from kizuna.PingCommand import PingCommand
+from kizuna.AtGraphCommand import AtGraphCommand
+from kizuna.AtGraphDataCollector import AtGraphDataCollector
+from kizuna.strings import HAI_DOMO
+
+
+def signal_handler(signal, frame):
+    print("\nprogram exiting gracefully")
+    sys.exit(0)
+
+
+READ_WEBSOCKET_DELAY = 0.01
+
+if __name__ == "__main__":
+    signal.signal(signal.SIGINT, signal_handler)
+    signal.signal(signal.SIGTERM, signal_handler)
+    sc = SlackClient(os.environ.get('SLACK_API_TOKEN'))
+    db_engine = create_engine(os.environ.get('DATABASE_URL'))
+    Session = sessionmaker(bind=db_engine)
+    if sc.rtm_connect():
+        auth = sc.api_call('auth.test')
+        bot_id = auth['user_id']
+
+        k = Kizuna(bot_id, sc)
+
+        pc = PingCommand()
+        k.register_command(pc)
+
+        at_graph_command = AtGraphCommand(Session)
+        k.register_command(at_graph_command)
+
+        at_graph_data_collector = AtGraphDataCollector(Session, sc)
+        k.register_command(at_graph_data_collector)
+
+        print("{} BOT_ID {}".format(HAI_DOMO, bot_id))
+        while True:
+            read = sc.rtm_read()
+            if read:
+                for output in read:
+                    if output['type'] == 'message':
+                        k.handle_message(output)
+            time.sleep(READ_WEBSOCKET_DELAY)
+    else:
+        print("Can't connect to slack.")

db/README

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+Generic single-database configuration.

db/env.py

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+from __future__ import with_statement
+from alembic import context
+from sqlalchemy import create_engine
+from logging.config import fileConfig
+import os
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = os.environ.get('DATABASE_URL')
+    context.configure(
+        url=url, target_metadata=target_metadata, literal_binds=True)
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = create_engine(os.environ.get('DATABASE_URL'))
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

db/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

db/versions/276b2fbf75a6_creates_at_graph_edges_table.py

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+"""creates at_graph_edges table
+
+Revision ID: 276b2fbf75a6
+Revises: 380c385b82a6
+Create Date: 2017-11-29 06:52:16.116826
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '276b2fbf75a6'
+down_revision = '380c385b82a6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'at_graph_edges',
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('head_user_id', sa.Integer, sa.ForeignKey('users.id')),
+        sa.Column('tail_user_id', sa.Integer, sa.ForeignKey('users.id')),
+        sa.Column('weight', sa.Integer, nullable=False)
+    )
+
+
+def downgrade():
+    op.drop_table('at_graph_edges')

db/versions/380c385b82a6_create_user_table.py

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+"""create user table
+
+Revision ID: 380c385b82a6
+Revises: 
+Create Date: 2017-11-29 06:35:00.723089
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '380c385b82a6'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'users',
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('name', sa.String, nullable=False),
+        sa.Column('slack_id', sa.String, index=True, unique=True),
+    )
+
+
+def downgrade():
+    op.drop_table('users')

docker-compose.yml

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+version: '3'
+services:
+  db:
+    image: postgres
+    ports:
+      - "4444:5432"
+    volumes:
+      - "/var/lib/postgresql/data"
+    environment:
+      POSTGRES_DB: kizuna
+      POSTGRES_PASSWORD: kizuna
+      POSTGRES_USER: kizuna
+  bot:
+    build: .
+    env_file: .env
+    volumes:
+      - .:/kizuna
+    depends_on:
+      - db

kizuna/AtGraph.py

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+import re
+
+def extract_ats(text):
+    return set(re.findall(r"<@(.*?)>", text, re.DOTALL))
+

kizuna/AtGraphCommand.py

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+from kizuna.AtGraphEdge import AtGraphEdge
+from kizuna.User import User
+from kizuna.Command import Command
+import pygraphviz as pgv
+
+
+class AtGraphCommand(Command):
+    def __init__(self, db_session) -> None:
+        help_text = "{bot} at graph - show the graph of @'s\n"
+        self.db_session = db_session
+
+        super().__init__('at-graph', "(?:show )?at graph(?: show)?$", help_text, True)
+
+    def respond(self, slack_client, message, matches):
+        session = self.db_session()
+
+        edges = session.query(AtGraphEdge).all()
+
+        if not edges or len(edges) < 1:
+            return
+
+        G = pgv.AGraph(directed=True)
+        for edge in edges:
+            G.add_edge(edge.head_user.name, edge.tail_user.name, label=edge.weight, weight=edge.weight)
+
+        image_path = '/tmp/graph.png'
+        G.layout(prog='dot')
+        G.draw(image_path)
+        slack_client.api_call('files.upload',
+                              as_user=True,
+                              channels=message['channel'],
+                              filename='graph.png',
+                              file=open(image_path, 'rb'))
+
+        return None