cool commit

Author: quietLearner

Atom-Python/Test-Project/test-module.py

@@ -1,3 +1,10 @@
+import datetime
+import getpass
+import math
+import os
+
+import requests
+
 
 class Employee:
     """A sample Employee class"""
@@ -6,15 +13,20 @@ def __init__(self, first, last):
         self.first = first
         self.last = last
 
-        print('Created Employee: {} - {}'.format(self.fullname, self.email))
+        print("Created Employee: {} - {}".format(self.fullname, self.email))
 
     @property
     def email(self):
-        return '{}.{}@email.com'.format(self.first, self.last)
+        return "{}.{}@email.com".format(self.first, self.last)
 
     @property
     def fullname(self):
-        return '{} {}'.format(self.first, self.last)
+        return "{} {}".format(self.first, self.last)
+
+
+emp_1 = Employee("John", "Smith")
 
+name = input("your name?")
+password = getpass.getpass("your password?")
 
-emp_1 = Employee('John', 'Smith')
+print(name, password)

Better_Python/bp.py

@@ -0,0 +1,87 @@
+x = 1 if True else 2
+
+num1 = 1_000_000_000_000_000
+num2 = 100_000_000_000
+
+total = num1 + num2
+
+print(f"{total:,}")
+
+
+from pathlib import Path
+
+script_location = Path(__file__).absolute().parent
+file_location = script_location / "bp.py"
+
+with open(file_location, "r") as f:
+    f_contents = f.read()
+
+words = f_contents.split(" ")
+word_count = len(words)
+print(word_count)
+
+name = ["John", "Doe"]
+
+for i, n in enumerate(name, start=1):
+    print(i, n)
+
+
+name = ["John", "Doe", "Jane", "Smith", "David"]
+heros = ["Spiderman", "Superman", "Batman", "Wonder Womna"]
+universe = ["Marvel", "DC", "DC", "DC"]
+for n, h, u in zip(name, heros, universe):
+    print(f"{n} is actually {h} from {u}")
+
+# unpacking
+a, b, *c = (1, 2, 3, 4, 5)
+print(a)
+print(b)
+print(c, type(c))
+
+# if you dont care the  rest
+a, _ = (1, 2)
+print(a)
+
+# this will throw exception
+# a, b, c = (1, 2)
+
+a, b, *c, d = (1, 2, 3)
+print(a, b, c, d)
+
+
+class Person:
+    pass
+
+
+person = Person()
+
+person.firstname = "zhang"
+person.lastname = "san"
+
+first_key = "first"
+first_val = "li 4"
+
+setattr(person, first_key, first_val)
+
+first = getattr(person, first_key)
+
+print(first)
+
+print(person)
+
+
+person_info = {"age": 20, "address": "shanghai"}
+
+for key, value in person_info.items():
+    setattr(person, key, value)
+
+for key in person_info.keys():
+    print(getattr(person, key))
+
+from datetime import datetime
+
+print(dir(datetime))
+
+print(dir(datetime.today))
+
+print(datetime.today)

Better_Python/bp_getpass.py

@@ -0,0 +1,6 @@
+from getpass import getpass
+
+username = input("username: ")
+password = getpass("password: ")
+
+print(username, password)

Better_Python/math.py

@@ -0,0 +1,9 @@
+from math import radians, sin
+
+rads = radians(90)
+
+print(sin(rads))
+
+
+# radians = radians(45)
+# rad45 = radians(45)

Better_Python/mistakes_1.py

@@ -0,0 +1,5 @@
+nums = [11, 30, 44, 54]
+
+for num in nums:
+    square = num**2
+    print(square)

Better_Python/mistakes_funcion_param.py

@@ -0,0 +1,26 @@
+# https://stackoverflow.com/questions/1132941/least-astonishment-and-the-mutable-default-argument
+
+
+# https://web.archive.org/web/20200221224620id_/http://effbot.org/zone/default-values.htm
+# list is mutable
+# Default parameter values are always evaluated when, and only when, the “def” statement they belong to is executed; see:
+def function(data=[]):
+    data.append(1)
+    print(data)
+
+
+function()
+print(id(function))
+function()
+print(id(function))
+
+
+def myfunc(value=None):
+    if value is None:
+        value = []
+    value.append(5)
+    print(value)
+
+
+myfunc()
+myfunc()

Better_Python/mistakes_funcion_param_2.py

@@ -0,0 +1,44 @@
+# https://stackoverflow.com/questions/1132941/least-astonishment-and-the-mutable-default-argument
+
+
+# https://web.archive.org/web/20200221224620id_/http://effbot.org/zone/default-values.htm
+# list is mutable
+# Default parameter values are always evaluated when, and only when, the “def” statement they belong to is executed; see:
+def add_emp(emp, emp_list=[]):
+    emp_list.append(emp)
+    print(emp_list)
+
+
+print(add_emp.__defaults__)
+
+emps = ["john", "jane"]
+add_emp("tom", emps)
+print(emps)
+
+add_emp("tim")
+print(add_emp.__defaults__)
+add_emp("dave")
+print(add_emp.__defaults__)
+
+print("*" * 50)
+
+
+def add_emp_safe(emp, emp_list=None):
+    if emp_list is None:
+        emp_list = []
+    emp_list.append(emp)
+    print(emp_list)
+
+
+print(add_emp_safe.__defaults__)  # (None,)
+add_emp_safe("john")
+print(add_emp_safe.__defaults__)  # (None,)
+add_emp_safe("jane")
+print(add_emp_safe.__defaults__)  # (None,)
+
+import time
+from datetime import datetime
+
+print(datetime.now())
+time.sleep(1)
+print(datetime.now())

Better_Python/mistakes_generator.py

@@ -0,0 +1,10 @@
+names = ["John", "Doe", "Jane", "Smith", "David"]
+heros = ["Spiderman", "Superman", "Batman", "Wonder Womna"]
+
+identities = zip(names, heros)
+
+
+print(identities)
+
+for id in identities:
+    print(id)

Better_Python/mistakes_import.py

@@ -0,0 +1,8 @@
+# this is bad
+from os import *
+from html import *
+from glob import *
+
+# both html and glob has escape function
+# people does not where this come from
+print(help(escape))  # Help on function escape in module glob:

Python/Site-Monitor/monitor.py

@@ -1,32 +1,33 @@
 import os
 import smtplib
 import requests
+
 # import logging
 from linode_api4 import LinodeClient, Instance
 
-EMAIL_ADDRESS = os.environ.get('EMAIL_USER')
-EMAIL_PASSWORD = os.environ.get('EMAIL_PASS')
-LINODE_TOKEN = os.environ.get('LINODE_TOKEN')
+EMAIL_ADDRESS = os.environ.get("EMAIL_USER")
+EMAIL_PASSWORD = os.environ.get("EMAIL_PASS")
+LINODE_TOKEN = os.environ.get("LINODE_TOKEN")
 
 # logging.basicConfig(filename='PATH_TO_DESIRED_LOG_FILE',
 #                     level=logging.INFO,
 #                     format='%(asctime)s:%(levelname)s:%(message)s')
 
 
 def notify_user():
-    with smtplib.SMTP('smtp.gmail.com', 587) as smtp:
+    with smtplib.SMTP("smtp.gmail.com", 587) as smtp:
         smtp.ehlo()
         smtp.starttls()
         smtp.ehlo()
 
         smtp.login(EMAIL_ADDRESS, EMAIL_PASSWORD)
 
-        subject = 'YOUR SITE IS DOWN!'
-        body = 'Make sure the server restarted and it is back up'
-        msg = f'Subject: {subject}\n\n{body}'
+        subject = "YOUR SITE IS DOWN!"
+        body = "Make sure the server restarted and it is back up"
+        msg = f"Subject: {subject}\n\n{body}"
 
         # logging.info('Sending Email...')
-        smtp.sendmail(EMAIL_ADDRESS, 'INSERT_RECEIVER_ADDRESS', msg)
+        smtp.sendmail(EMAIL_ADDRESS, "INSERT_RECEIVER_ADDRESS", msg)
 
 
 def reboot_server():
@@ -36,16 +37,12 @@ def reboot_server():
     # logging.info('Attempting to reboot server...')
 
 
-try:
-    r = requests.get('https://example.com', timeout=5)
+r = requests.get("https://example.com", timeout=5)
 
-    if r.status_code != 200:
-        # logging.info('Website is DOWN!')
-        notify_user()
-        reboot_server()
-    else:
-        # logging.info('Website is UP')
-except Exception as e:
+if r.status_code != 200:
     # logging.info('Website is DOWN!')
     notify_user()
     reboot_server()
+else:
+    # logging.info('Website is UP')
+    pass

Requests-HTML/rh_1.py

@@ -0,0 +1,27 @@
+import os
+from pathlib import Path
+from requests_html import HTML
+
+
+script_location = Path(__file__).absolute().parent
+file_location = script_location / "simple.html"
+
+
+with open(file_location, "r") as html_file:
+    source = html_file.read()
+    html = HTML(html=source)
+
+print(html.html)
+print(html.text)
+
+match = html.find("title")
+print(match[0].text, match[0].html)
+
+match = html.find("#footer", first=True)
+print(match.text)
+
+
+article = html.find("div.article", first=True)
+headline = article.find("h2", first=True)
+summary = article.find("p", first=True)
+print(headline.text, summary.text)

Requests-HTML/rh_web.py

@@ -0,0 +1,9 @@
+import os
+from pathlib import Path
+from requests_html import HTML, HTMLSession
+
+
+session = HTMLSession()
+r = session.get("https://google.ca")
+
+print(r.html.html)

Requests-HTML/simple.html

@@ -0,0 +1,33 @@
+<!doctype html>
+<html class="no-js" lang="">
+    <head>
+        <title>Test - A Sample Website</title>
+        <meta charset="utf-8">
+        <link rel="stylesheet" href="css/normalize.css">
+        <link rel="stylesheet" href="css/main.css">
+    </head>
+    <body>
+        <h1 id='site_title'>Test Website</h1>
+        <hr></hr>
+        <div class="article">
+            <h2><a href="article_1.html">Article 1 Headline</a></h2>
+            <p>This is a summary of article 1</p>
+        </div>
+        <hr></hr>
+        <div class="article">
+            <h2><a href="article_2.html">Article 2 Headline</a></h2>
+            <p>This is a summary of article 2</p>
+        </div>
+        <hr></hr>
+        <div id='footer'>
+            <p>Footer Information</p>
+        </div>
+        <script>
+        var para = document.createElement("p");
+        var node = document.createTextNode("This is text generated by JavaScript.");
+        para.appendChild(node);
+        var element = document.getElementById("footer");
+        element.appendChild(para);
+        </script>
+    </body>
+</html>