gergob

from blessings import Terminal

if __name__ == "__main__":

    # create a new instance of Terminal class
    terminal = Terminal()

    print("Your terminal supports {0} different colors.\n".format(terminal.number_of_colors))

    indentation = 3 * terminal.move_right()

gergob

@app.route("/")
@user_login_needed
def index():
    return render_template("index.html")
    
return user_login_needed(index) # no extra parameters passed since index does not take any parameters


@app.route("/login", methods=["GET", "POST"])
def login():

gergob

# decorator for Flask application methods
def user_login_needed(f):
    @wraps(f)
    def decorated_function(*args, **kwargs):
        is_user_logged_in = session['user_logged_in']
        if not is_user_logged_in:
            return redirect(url_for('login'))
        else:
            return f(*args, **kwargs)
    return decorated_function

gergob

{% extends "index.html" %}
{% block title %}Contacts{% endblock %}

{% block content %}
    <h2>Contacts</h2>

    {% if contacts %}
       <p>There are {{ contacts | length }} contacts in the database.</p>        

       {% if contacts|length > 0 %}

gergob

from flask import Flask

# initialize a new Flask app
app = Flask(__name__) 

# add one routing
@app.route("/")
def index():
    return "Homepage routing works!"

gergob

# string declaration
my_str1 = 'simple text'
my_str2 = "simple text 2"
my_multiline_str = """Hey, this 
is a multiline
string in python"""
my_unicode_str = "This is a unicode string containing some special characters like:éáő"

print(my_str1)

gergob

def count_words(text):
    """Makes a statistic of the words appearing in the text 
       and returns a dictionary where keys are the words and 
       values are the number of occurrence of each word."""
    words = text.split()
    result = {}
    for word in words:        
        if word in result:
            result[word] += 1

gergob

def parse_csv(text):
    """Parses a CSV format text, returns a dictionary, keys are the Column headers from the CSV and values are the data"""
    result = {}
    
    # first split by EOL
    lines = text.split("\n")
    if len(lines) > 0:
        headers = [item.strip() for item in lines[0].split(",")]
                

gergob

greg@earth ~/Development/_freelancer/crud_operations_in_mongodb_using_python $ python main.py 
Loading all items from database:
ID = 54953f0a8524880d021cd856 | Title = Wordpress website for Freelancers | Price = 250
ID = 54953f408524880d0db9a8a1 | Title = Wordpress website for Freelancers | Price = 250
ID = 54953f788524880d14d4e590 | Title = Wordpress website for Freelancers | Price = 250



Saving new_project to database
new_project saved to database

gergob

from projects_repository import ProjectsRepository
from project import Project


def load_all_items_from_database(repository):
    print("Loading all items from database:")
    projects = repository.read()
    at_least_one_item = False
    for p in projects:
        at_least_one_item = True