Zulko

# REQUIRES PACKAGES Numpy AND Scipy INSTALLED
import numpy as np
import scipy.integrate
import scipy.interpolate

class ddeVar:
    """ special function-like variables for the integration of DDEs """

    def __init__(self,g,tc=0):
        """ g(t) = expression of Y(t) for t<tc """

Zulko

# This is a function to merge several nodes into one in a Networkx graph

def merge_nodes(G,nodes, new_node, attr_dict=None, **attr):
    """
    Merges the selected `nodes` of the graph G into one `new_node`,
    meaning that all the edges that pointed to or from one of these
    `nodes` will point to or from the `new_node`.
    attr_dict and **attr are defined as in `G.add_node`.
    """
    

Zulko

import matplotlib.pyplot as plt
import numpy as np

def graph_editor(grid=True, grid_N = 12):
    """ 
    This function enables to draw a graph manually using
    Matplotlib's interactive plotting capabilites.
    
    In a first phase you are asked to place the nodes
    (left-click to place a node, right-click to remove

Zulko

"""
Code for a music video where sheet music is
scrolled transparently on my hands playing the
piano. See that effect here:

https://www.youtube.com/watch?v=V2XCJNZjm4w

"""

from moviepy.editor import *

Zulko

type Coord = (Float, Float)

type Node = { label : String
            , coord : Coord
            }
            
type Edge = { color : Int
            , n1 : Node
            , n2 : Node
            }

Zulko

# coding: utf-8

#
# This is the Python/MoviePy code used to generate
# this video of me playing the Turkish March on my
# computer's keyboard. Enjoy !
#
# https://www.youtube.com/watch?v=z410eauCnHc
#

Zulko

#
# This Python script makes a summary of a football game by cutting
# the video around the 10 % loudest moments, which generally 
# include the goals and other important events.
# For more details, see this blog post:
# http://zulko.github.io/blog/2014/07/04/automatic-soccer-highlights-compilations-with-python/
#
# LICENCE: Creative Commons 0 - Public Domain
# I, the author of this script, wave any rights and place this work in the public domain.
#

Zulko

'''
Rewrite with Twittcher ;)
Result (every 20 seconds):
>>> Most common words: [('ferguson', 41), ('http', 28), ('protests', 9),
                        ('missouri', 9), ('leave', 8), ('continue', 8),...]
'''

import re
from collections import Counter
from twittcher import SearchWatcher

Zulko

import numpy as np

def supersample(clip, d, nframes):
    """ Replaces each frame at time t by the mean of `nframes` equally spaced frames
        taken in the interval [t-d, t+d]. This results in motion blur."""
    def fl(gf, t):
        tt = np.linspace(t-d, t+d, nframes) 
        avg = np.mean(1.0*np.array([gf(t_) for t_ in tt]),axis=0)
        return avg.astype("uint8")
    return clip.fl(fl)

Zulko

# Result: http://i.imgur.com/Lmj21mR.gif

import moviepy.editor as mpy
from moviepy.video.tools.drawing import color_split

# LOAD THE GIF SEVERAL TIMES

clip = VideoFileClip("./source.gif")
W,H = SIZE = clip.size
duration = clip.duration