danielrichman

Instructions

• Create database habitat_new
• Upload design docs to habitat_new, copying either from file in gist, or existing database: http://localhost:5984/habitat/_all_docs?startkey=%22_design%2F%22&endkey=%22_design0%22&include_docs=true (it's probably possible to just include them in the bulk upload, but I didn't bother writing it).
• Download payload config docs and flight docs http://localhost:5984/habitat/_design/payload_configuration/_view/name_time_created?include_docs=true http://localhost:5984/habitat/_design/flight/_view/all_name_time_created?include_docs=true

danielrichman

import time
import shlex

class CPIOWriter:
    # https://www.kernel.org/doc/Documentation/early-userspace/buffer-format.txt
    HEADER_FORMAT = "070701{ino:08X}{mode:08X}{uid:08X}{gid:08X}{nlink:08X}{mtime:08X}" \
                    "{filesize:08X}{maj:08X}{min:08X}{rmaj:08X}{rmin:08X}{namesize:08X}{chksum:08X}"
    OTHER_HEADER_ARGS = \
        { "mode": 0o100000 + 0o644 # regular file + perms, see stat(2)
        , "uid": 0

danielrichman

open Core

module Monitor = struct
  type t = unit
end

module Scheduler0 : sig
  val enqueue
    :  (unit -> unit)
    -> Monitor.t

danielrichman

query: SELECT * FROM people WHERE condition
sender:
    name: Daniel Richman
    email: main@danielrichman.co.uk
to_email_keys: [homeemail, workemail]
to_name_template: |
    {{ firstname }} {{ surname }}
subject_template: Hello {{ firstname }}
body_template: |
    Hello, {% include "to_name" %}

danielrichman

from __future__ import division, print_function

import json

import numpy as np
from scipy.stats import norm

class config:
    def no_points_condition(reds, blues):
        return "X" in reds or "X" in blues

danielrichman

# varnishncsa -a -w /var/log/varnish/timing.log -F "%{Varnish:handling}x %{Varnish:time_firstbyte}x %r"

from __future__ import print_function

def timing_log():
    with open("/var/log/varnish/timing.log") as f:
        for line in f:
            hitmiss, time, url = line.split(" ", 2)
            if hitmiss != "miss":
                continue

danielrichman

import logging
import traceback
import psycopg2

class PostgreSQLHandler(logging.Handler):
    """
    A :class:`logging.Handler` that logs to the `log` PostgreSQL table

    Does not use :class:`PostgreSQL`, keeping its own connection, in autocommit
    mode.

danielrichman

class FlaskLoggerAdapter(logging.LoggerAdapter):
    """  
    A :class:`logging.LoggerAdapter` that adds request context

    Adds the following attributes to log records (which can then be used in a
    :class:`logging.Formatter` string).

    * base_url: ``flask.request.base_url``
    * flask_endpoint: ``flask.request.endpoint``
    * remote_addr: ``flask.request.remote_addr``

danielrichman

Simple OCaml Setup

Goal: quickly install OCaml, Core, Async, and other JS libraries.

Plan: do it once, and then make a .deb that can be applied to other boxes.

It would be nicer if I could do the Debian packaging properly, but for now this is a quick fix.

Problems / warnings / notes

danielrichman

# Extracted from Flask-SQLAlchemy

sess = sqlalchemy.orm.scoped_session(
    database.Session,
    scopefunc=flask._app_ctx_stack.__ident_func__
)
@app.teardown_appcontext
def teardown_appcontext(res):
    session.remove()
    return res