my ipython startup file!

ipython_startup.py

#utf-8

######################
# Line Transformers: #
######################

# ------------------------------------------
# --- `λxy.` shortcut for `lambda x, y:` ---
# ------------------------------------------

import re

__λ__ = re.compile(r'λ[a-z]+[.]')

def __λ_sub__(m):
    m = m.group()
    return f'lambda {", ".join(m[1:-1])}:'

def _transform_λ(lines):
    return [__λ__.sub(__λ_sub__, line) for line in lines]

get_ipython().input_transformers_cleanup.append(_transform_λ)

###########
# Magics: #
###########

from IPython.core.magic import register_line_magic

# --------------------------------------------
# --- %a for fast creation of numpy arrays ---
# --------------------------------------------

import numpy as np

@register_line_magic
def a(line):
    def listify(row, type_=int):
        return list(map(type_, row.split()))

    if ',' in line:
        lines = line.split(',')

        try:
            return np.array([listify(row) for row in lines])
        except ValueError:
            return np.array([listify(row, float) for row in lines])

    try:
        return np.array(listify(line))
    except ValueError:
        return np.array(listify(line, float))

del a

# -----------------------------------------
# ------------- Truth Tables --------------
# -------- %tt expr1, expr2, ... ----------
# -----------------------------------------

from tiny_math.truthtables.truthtable_trees_sly import TruthTable

@register_line_magic
def tt(line):
    TruthTable(*line.split(',')).display()

del tt

# -----------------------------------------
# -------- Load Github User and API -------
# --------- %gist file description --------
# -----------------------------------------

from github import Github, InputFileContent

github = Github('github user token')
salt = github.get_user()

@register_line_magic
def gist(line):
    file, description = line.split(' ', 1)

    with open(file, 'r') as f:
        contents = f.read()

    salt.create_gist(True, {file: InputFileContent(contents)}, description)

del gist

# -----------------------------------------
# ------------- Quick Pydocs --------------
# ------------- %docs object --------------
# -----------------------------------------

import webbrowser

@register_line_magic
def docs(line):
    webbrowser.open(f'https://docs.python.org/3/search.html?q={line}')

del docs

#############
# Preloads: #
#############

# -----------------------------------------
# ---------- overloaded reload ------------
# ----------- reload(object) --------------
# -----------------------------------------

import importlib

def reload(obj):
    if hasattr(obj, '__spec__'): return importlib.reload(obj)

    try:
        module = importlib.reload(globals()[obj.__module__])
    except KeyError:
        module = importlib.import_module(obj.__module__)

    globals()[obj.__name__] = getattr(module, obj.__name__)

# -----------------------------------------
# ---------- Preload tablemaker -----------
# -----------------------------------------

from table_maker.table_maker import table_maker as tm

# -----------------------------------------
# ------ Preload ast pretty printer -------
# -----------------------------------------

from Snippets.prettiest_ast import pp as past