ArthurDelannoyazerty

# The worst things I ever had to write.
# Origin multi-line from : https://www.geeksforgeeks.org/changing-the-contrast-and-brightness-of-an-image-using-python-opencv/
import cv2 as cv

def transform(image, contrast=[0-255](default=128), luminosity=[0-255](default=255)):
    return (cv.addWeighted(((cv.addWeighted(image, ((255 if (int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255)))>0 else 255+(int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255)))) - ((int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255))) if (int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255)))>0 else 0)) / 255, image, 0, (int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255))) if (int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255)))>0 else 0) if (int((brightness - 0) * (255 - (-255)) / (510 - 0) + (-255))) != 0 else image)), float(131 * ((int((contrast - 0) * (127 - (-127)) / (254 - 0) + (-127))) + 127)) / (127 * (131 - (int((contrast - 0) * (127 - (-127)) / (254 - 0) + (-127))))), ((cv.addWeighted(i

ArthurDelannoyazerty

def find_files_recursive_folder(folder_path:str, file_extension:str) -> list:
    list_filepath = list()
    for dirpath, _, filenames in os.walk(folder_path):
        for filename in [f for f in filenames if f.endswith(file_extension)]:
            filepath = dirpath.replace("\\","/") + "/" + filename
            list_filepath.append(filepath)
    return list_filepath

ArthurDelannoyazerty

from ijson import items
from tqdm import tqdm

def count_json_items(filepath:str, path_in_json:str) -> int:
    with open(filepath, 'r') as file:
        parser = items(file, path_in_json)
        i=0
        for _ in tqdm(parser, desc="Counting number of items", leave=False):
            i=i+1
        return i

ArthurDelannoyazerty

from itertools import takewhile, repeat

def rawincount(filepath:str) -> int:
    f = open(filepath, 'rb')
    bufgen = takewhile(lambda x: x, (f.raw.read(1024*1024) for _ in repeat(None)))
    return sum(buf.count(b'\n') for buf in bufgen)

ArthurDelannoyazerty

from networkx import Graph

def print_graph_summary(graph:Graph):
    nb_node = graph.number_of_nodes()
    nb_edge = graph.number_of_edges()
    print("Number of nodes : ", nb_node, "Number of edges : ", nb_edge)
    return nb_node, nb_edge

ArthurDelannoyazerty

ArthurDelannoyazerty

import matplotlib.pyplot as plt
SHOW = False
SAVE = True

def display_save_plt(title:str):
    if SAVE: 
        plt.gcf().set_size_inches(25, 13)
        plt.savefig("data/stats/" + title + ".png", dpi=200)
    if SHOW:
        plt.gcf().set_size_inches(20, 11)

ArthurDelannoyazerty

for filename in os.listdir(directory):
    f = directory + "/" + filename
    if os.path.isfile(f):
        print(f)

ArthurDelannoyazerty

# meta
%matplotlib widget                    # interactive matplotlib for jupyter notebook
matplotlib.use('agg')                 # change backend ('agg' is a static backend => only for saving the image, plt.show() will not work)

# Size & Position
plt.gcf().set_size_inches(25, 13)     # set the size of the chart
plt.get_current_fig_manager().window.setGeometry(50,100,640, 545)   # configure position & size of the screen (posX, posY, dX, dY)

# Chart organisation
plt.subplots_adjust(bottom=0.25)      # add space at the bottom of the chart for axis title(s)

ArthurDelannoyazerty

with open(filepath, 'rb+') as f:
  f.seek(-1, 2)
  f.truncate()