Merge pull request #2102 from NitkarshChourasia/testing

add: Luhn algorithm

Author: geekcomputers

Face and eye Recognition/face_recofnation_first.py

@@ -1,37 +1,52 @@
-## Name - Soumyajit Chakraborty
-## place - kolkata
-## date - 10 / 08 / 2020
-
 import cv2 as cv
 
-face_cascade = cv.CascadeClassifier("..\libs\haarcascade_frontalface_default.xml")
-face_cascade_eye = cv.CascadeClassifier("..\libs\haarcascade_eye.xml")
-# face_glass = cv.CascadeClassifier('..\libs\haarcascade_eye_tree_eyeglasses.xml')
-
-cap = cv.VideoCapture(0)
-while cap.isOpened():
-
-    falg, img = cap.read()  # start reading the camera output i mean frames
-    # cap.read() returning a bool value and a frame onject type value
-
-    gray = cv.cvtColor(
-        img, cv.COLOR_BGR2GRAY
-    )  # converting to grayscale image to perform smoother
-    faces = face_cascade.detectMultiScale(
-        img, 1.1, 7
-    )  # we use detectMultiscale library function to detect the predefined structures of a face
-    eyes = face_cascade_eye.detectMultiScale(img, 1.1, 7)
-    # using for loops we are trying to read each and every frame and map
-    for (x, y, w, h) in faces:
-        cv.rectangle(img, (x, y), (x + w, y + h), (0, 255, 0), 1)
-
-    for (a, b, c, d) in eyes:
-        cv.rectangle(img, (a, b), (a + c, b + d), (255, 0, 0), 1)
-
-    cv.imshow("img", img)
-    c = cv.waitKey(1)
-    if c == ord("q"):
-        break
-
-cv.release()
-cv.destroyAllWindows()
+
+def detect_faces_and_eyes():
+    """
+    Detects faces and eyes in real-time using the webcam.
+
+    Press 'q' to exit the program.
+    """
+    # Load the pre-trained classifiers for face and eye detection
+    face_cascade = cv.CascadeClassifier(r"..\libs\haarcascade_frontalface_default.xml")
+    eye_cascade = cv.CascadeClassifier(r"..\libs\haarcascade_eye.xml")
+
+    # Open the webcam
+    cap = cv.VideoCapture(0)
+
+    while cap.isOpened():
+        # Read a frame from the webcam
+        flag, img = cap.read()
+
+        # Convert the frame to grayscale for better performance
+        gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+
+        # Detect faces in the frame
+        faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=7)
+
+        # Detect eyes in the frame
+        eyes = eye_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=7)
+
+        # Draw rectangles around faces and eyes
+        for x, y, w, h in faces:
+            cv.rectangle(img, (x, y), (x + w, y + h), (0, 255, 0), 1)
+
+        for a, b, c, d in eyes:
+            cv.rectangle(img, (a, b), (a + c, b + d), (255, 0, 0), 1)
+
+        # Display the resulting frame
+        cv.imshow("Face and Eye Detection", img)
+
+        # Check for the 'q' key to exit the program
+        key = cv.waitKey(1)
+        if key == ord("q"):
+            break
+
+    # Release the webcam and close all windows
+    cap.release()
+    cv.destroyAllWindows()
+
+
+if __name__ == "__main__":
+    # Call the main function
+    detect_faces_and_eyes()

Face and eye Recognition/gesture_control.py

@@ -1,18 +1,27 @@
 import cv2 as cv
 
-# import numpy as np
+# Read the image in grayscale
+img = cv.imread(r"..\img\hand1.jpg", cv.IMREAD_GRAYSCALE)
 
-img = cv.imread("..\img\hand1.jpg", 0)
-flag, frame = cv.threshold(img, 70, 255, cv.THRESH_BINARY)
+# Apply thresholding to create a binary image
+_, thresholded = cv.threshold(img, 70, 255, cv.THRESH_BINARY)
 
-contor, _ = cv.findContours(frame.copy(), cv.RETR_TREE, cv.CHAIN_APPROX_SIMPLE)
+# Find contours in the binary image
+contours, _ = cv.findContours(thresholded.copy(), cv.RETR_TREE, cv.CHAIN_APPROX_SIMPLE)
 
-hull = [cv.convexHull(c) for c in contor]
+# Convex Hull for each contour
+convex_hulls = [cv.convexHull(contour) for contour in contours]
 
-final = cv.drawContours(img, hull, -1, (0, 0, 0))
-cv.imshow("original_image", img)
-cv.imshow("thres", frame)
-cv.imshow("final_hsv", final)
+# Draw contours and convex hulls on the original image
+original_with_contours = cv.drawContours(img.copy(), contours, -1, (0, 0, 0), 2)
+original_with_convex_hulls = cv.drawContours(img.copy(), convex_hulls, -1, (0, 0, 0), 2)
 
+# Display the images
+cv.imshow("Original Image", img)
+cv.imshow("Thresholded Image", thresholded)
+cv.imshow("Contours", original_with_contours)
+cv.imshow("Convex Hulls", original_with_convex_hulls)
+
+# Wait for a key press and close windows
 cv.waitKey(0)
 cv.destroyAllWindows()

Password Generator/requirements.txt

@@ -1,3 +1,2 @@
-string
-secrets
-random
+colorama==0.4.4
+inquirer==2.7.0

Print_List_of_Even_Numbers.py

@@ -0,0 +1,136 @@
+import os
+import sys
+from pprint import pprint
+
+import sys
+
+sys.path.append(os.path.realpath("."))
+import inquirer  # noqa
+
+# Take authentication input from the user
+questions = [
+    inquirer.List(
+        "authentication",  # This is the key
+        message="Choose an option",
+        choices=["Login", "Sign up", "Exit"],
+    ),
+]
+answers = inquirer.prompt(questions)
+
+
+# Just making pipelines
+class Validation:
+    def phone_validation():
+        # Think over how to make a validation for phone number?
+        pass
+
+    def email_validation():
+        pass
+
+    def password_validation():
+        pass
+
+    def username_validation():
+        pass
+
+    def country_validation():
+        # All the countries in the world???
+        # JSON can be used.
+        # Download the file
+
+    def state_validation():
+        # All the states in the world??
+        # The state of the selected country only.
+        pass
+
+    def city_validation():
+        # All the cities in the world??
+        # JSON can be used.
+        pass
+
+
+# Have an option to go back.
+# How can I do it?
+if answers["authentication"] == "Login":
+    print("Login")
+    questions = [
+        inquirer.Text(
+            "username",
+            message="What's your username?",
+            validate=Validation.login_username,
+        ),
+        inquirer.Text(
+            "password",
+            message="What's your password?",
+            validate=Validation.login_password,
+        ),
+    ]
+
+
+elif answers["authentication"] == "Sign up":
+    print("Sign up")
+
+    questions = [
+        inquirer.Text(
+            "name",
+            message="What's your first name?",
+            validate=Validation.fname_validation,
+        ),
+        inquirer.Text(
+            "surname",
+            message="What's your last name(surname)?, validate=Validation.lname), {name}?",
+        ),
+        inquirer.Text(
+            "phone",
+            message="What's your phone number",
+            validate=Validation.phone_validation,
+        ),
+        inquirer.Text(
+            "email",
+            message="What's your email",
+            validate=Validation.email_validation,
+        ),
+        inquirer.Text(
+            "password",
+            message="What's your password",
+            validate=Validation.password_validation,
+        ),
+        inquirer.Text(
+            "password",
+            message="Confirm your password",
+            validate=Validation.password_confirmation,
+        ),
+        inquirer.Text(
+            "username",
+            message="What's your username",
+            validate=Validation.username_validation,
+        ),
+        inquirer.Text(
+            "country",
+            message="What's your country",
+            validate=Validation.country_validation,
+        ),
+        inquirer.Text(
+            "state",
+            message="What's your state",
+            validate=Validation.state_validation,
+        ),
+        inquirer.Text(
+            "city",
+            message="What's your city",
+            validate=Validation.city_validation,
+        ),
+        inquirer.Text(
+            "address",
+            message="What's your address",
+            validate=Validation.address_validation,
+        ),
+    ]
+# Also add optional in the above thing.
+# Have string manipulation for the above thing.
+# How to add authentication of google to command line?
+elif answers["authentication"] == "Exit":
+    print("Exit")
+    sys.exit()
+
+pprint(answers)

Print_List_of_Odd_Numbers.py

@@ -0,0 +1,9 @@
+import requests
+
+url = "https://api.countrystatecity.in/v1/countries"
+
+headers = {"X-CSCAPI-KEY": "API_KEY"}
+
+response = requests.request("GET", url, headers=headers)
+
+print(response.text)

cli_master/cli_master.py

@@ -0,0 +1,62 @@
+import re
+
+def phone_validation(phone_number):
+    # Match a typical US phone number format (xxx) xxx-xxxx
+    pattern = re.compile(r'^\(\d{3}\) \d{3}-\d{4}$')
+    return bool(pattern.match(phone_number))
+
+# Example usage:
+phone_number_input = input("Enter phone number: ")
+if phone_validation(phone_number_input):
+    print("Phone number is valid.")
+else:
+    print("Invalid phone number.")
+
+def email_validation(email):
+    # Basic email format validation
+    pattern = re.compile(r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$')
+    return bool(pattern.match(email))
+
+# Example usage:
+email_input = input("Enter email address: ")
+if email_validation(email_input):
+    print("Email address is valid.")
+else:
+    print("Invalid email address.")
+
+
+def password_validation(password):
+    # Password must be at least 8 characters long and contain at least one digit
+    return len(password) >= 8 and any(char.isdigit() for char in password)
+
+# Example usage:
+password_input = input("Enter password: ")
+if password_validation(password_input):
+    print("Password is valid.")
+else:
+    print("Invalid password.")
+
+
+def username_validation(username):
+    # Allow only alphanumeric characters and underscores
+    return bool(re.match('^[a-zA-Z0-9_]+$', username))
+
+# Example usage:
+username_input = input("Enter username: ")
+if username_validation(username_input):
+    print("Username is valid.")
+else:
+    print("Invalid username.")
+
+
+def country_validation(country):
+    # Example: Allow only alphabetical characters and spaces
+    return bool(re.match('^[a-zA-Z ]+$', country))
+
+# Example usage:
+country_input = input("Enter country name: ")
+if country_validation(country_input):
+    print("Country name is valid.")
+else:
+    print("Invalid country name.")
+