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More python-y stuff.

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Josh Mudge 2018-10-06 16:28:23 -06:00
parent 891e3ac0da
commit 091bd47256
8 changed files with 214 additions and 0 deletions
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3
YO5.txt Normal file
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yo
c
h

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YO6.txt Normal file
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jhklj
lkjlk
ljlk

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bank.py Normal file
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from sys import argv
script, filename = argv
print(f"We're going to erase {filename}.")
print("If you don't want that, hit CTRL-C (^C).")
print("If you do want that, hit RETURN.")
input("?")
print("Opening the file....")
target = open(filename, 'w')
print("Truncating the file. Goodbye!")
#target.truncate()
print("Now I'm going to ask you for three lines.")
line1 = input("line 1: ")
line2 = input("line 2: ")
line3 = input("line 3: ")
print("I'm going to write these to the file.")
target.write(line1 + "\n" + line2 + "\n" + line3 + "\n")
print("And finally, we close it.")
target.close()
text = open(filename)
print(text.read())
# 4. You are specificing writing to a file as opposed to reading from it.
# 5. You don't need it, 'w' overwrites the file.

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ex15.py Normal file
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# Import the argv tool
from sys import argv
import os.path
# Grab two arguments wtih argv
script, filename = argv
if not os.path.isfile(filename): # If file doesn't exist, create it.
with open(filename, 'w') as f: # Write the following string to it.
print(" NEW FILE!\n ONLY 99 CENTS!\n Just kidding, it's free.\n Welcome to the galaxy.", file=f)
#Close the file.
filename.close()
# set the variable txt to the open command for the file taken as input.
txt = open(filename)
#txt.close() #Break stuff
# Tells user that their file of the filename {filename} is going to be printed.
print(f"Here's your file {filename}:")
# Print file
print(txt.read())
# Close the file
txt.close()
# Asks them to input the name again.
print("Type the filename again:")
# Take input on a prompt.
file_again = input("> ")
# Take input on a prompt.
txt_again = open(file_again)
# Read the file and print.
print(txt_again.read())
txt.close()
#1-4 Done.
#5. Getting through argv lets you run operations on it throughout the script without having to wait for input.

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ex15_sample.txt Normal file
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This is stuff I typed into a file.
A new universe.
It is really cool stuff.
Lots and lots of fun to have in here.

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ex16.py Normal file
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from sys import argv
script, filename = argv
print(f"We're going to erase {filename}.")
print("If you don't want that, hit CTRL-C (^C).")
print("If you do want that, hit RETURN.")
input("?")
print("Opening the file....")
target = open(filename, 'w')
print("Truncating the file. Goodbye!")
#target.truncate()
print("Now I'm going to ask you for three lines.")
line1 = input("line 1: ")
line2 = input("line 2: ")
line3 = input("line 3: ")
print("I'm going to write these to the file.")
target.write(line1 + "\n" + line2 + "\n" + line3 + "\n")
print("And finally, we close it.")
target.close()
text = open(filename)
print(text.read())
# 4. You are specificing writing to a file as opposed to reading from it.
# 5. You don't need it, 'w' overwrites the file.

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# import SimpleHTTPServer
# import SocketServer
#
# PORT = 8000
#
# Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
#
# httpd = SocketServer.TCPServer(("", PORT), Handler)
#
# print("serving at port", PORT)
# httpd.serve_forever()
from bs4 import BeautifulSoup
# import urllib.request
#
# url = "https://google.com/"
#
# yo = urllib.request.urlopen(url)
# soup = BeautifulSoup(url.read(), 'html.parser')
# print(soup)
html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>
<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>
<p class="story">...</p>
"""
soup = BeautifulSoup(html_doc, 'html.parser')
print(soup.prettify())
print("\n")
print(str(soup.title) + "\n")
print(str(soup.title.name) + "\n")
print(str(soup.title.string) + "\n")
print(str(soup.title.parent.name) + "\n")
print(str(soup.p) + "\n")
print(str(soup.p['class']) + "\n")
print(str(soup.a) + "\n")
print(str(soup.find_all('a')) + "\n")
print(str(soup.find(id="link3")) + "\n")

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python-web.py Normal file
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# import SimpleHTTPServer
# import SocketServer
#
# PORT = 8000
#
# Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
#
# httpd = SocketServer.TCPServer(("", PORT), Handler)
#
# print("serving at port", PORT)
# httpd.serve_forever()
from bs4 import BeautifulSoup
# import urllib.request
#
# url = "https://google.com/"
#
# yo = urllib.request.urlopen(url)
# soup = BeautifulSoup(url.read(), 'html.parser')
# print(soup)
html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>
<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>
<p class="story">...</p>
"""
soup = BeautifulSoup(html_doc, 'html.parser')
print(soup.prettify())
print("\n")
print(str(soup.title) + "\n")
print(str(soup.title.name) + "\n")
print(str(soup.title.string) + "\n")
print(str(soup.title.parent.name) + "\n")
print(str(soup.p) + "\n")
print(str(soup.p['class']) + "\n")
print(str(soup.a) + "\n")
print(str(soup.find_all('a')) + "\n")
print(str(soup.find(id="link3")) + "\n")