init commit

Author: Sentdex

32. systut.py

@@ -0,0 +1,12 @@
+import sys
+
+#sys.stderr.write('This is stderr text\n')
+#sys.stderr.flush()
+#sys.stdout.write('This is stdout text\n')
+
+#print(sys.argv)
+def main(arg):
+    print(arg)
+
+
+main(sys.argv[1])

33. urllibtutorialvid.py

@@ -0,0 +1,60 @@
+
+import urllib.request
+import urllib.parse
+
+#x = urllib.request.urlopen('https://www.google.com')
+#print(x.read())
+'''
+url = 'http://pythonprogramming.net'
+values = {'s':'basic',
+          'submit':'search'}
+
+data = urllib.parse.urlencode(values)
+data = data.encode('utf-8')
+req = urllib.request.Request(url,data)
+resp = urllib.request.urlopen(req)
+respData = resp.read()
+
+print(respData)
+'''
+
+try:
+    x = urllib.request.urlopen('https://www.google.com/search?q=test')
+    print(x.read())
+
+except Exception as e:
+    print(str(e))
+
+
+try:
+    url = 'https://www.google.com/search?q=test'
+
+    headers = {}
+    headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.27 Safari/537.17'
+    req = urllib.request.Request(url, headers=headers)
+    resp = urllib.request.urlopen(req)
+    respData = resp.read()
+
+    saveFile = open('withHeaders.txt','w')
+    saveFile.write(str(respData))
+    saveFile.close()
+
+except Exception as e:
+    print(str(e))
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

34. regularexpression - video.py

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+'''
+Identifiers:
+\d any number
+\D anything but a number
+\s space
+\S anything but a space
+\w any character
+\W anything but a character
+.  any character, except for a newline
+\b the whitespace around words
+\. a period
+
+Modifiers:
+{1,3} we're expecting 1-3
++ Match 1 or more
+? Match 0 or 1
+* Match 0 or more
+$ match the end of a string
+^ matching the beginning of a string
+| either or
+[] range or "variance" [1-5a-qA-Z]
+{x} expecting "x" amount
+
+White Space Characters:
+\n new line
+\s space
+\t tab
+\e escape
+\f form feed
+\r return
+
+DONT FORGET!:
+. + * ? [ ] $ ^ ( ) {} | \
+'''
+
+import re
+
+exampleString = '''
+Jessica is 15 years old, and Daniel is 27 years old.
+Edward is 97, and his grandfather, Oscar, is 102.
+'''
+
+ages = re.findall(r'\d{1,3}', exampleString)
+names = re.findall(r'[A-Z][a-z]*', exampleString)
+
+print(ages)
+print(names)
+
+
+ageDict = {}
+
+x = 0
+for eachName in names:
+    ageDict[eachName] = ages[x]
+    x+=1
+
+print(ageDict)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

35. regular expressions and urllib for parsing.py

@@ -0,0 +1,35 @@
+import urllib.request
+import urllib.parse
+import re
+
+url = 'http://pythonprogramming.net'
+values = {'s':'basics',
+          'submit':'search'}
+data = urllib.parse.urlencode(values)
+data = data.encode('utf-8')
+req = urllib.request.Request(url, data)
+resp = urllib.request.urlopen(req)
+respData = resp.read()
+
+#print(respData)
+
+paragraphs = re.findall(r'<p>(.*?)</p>',str(respData))
+
+for eachP in paragraphs:
+    print(eachP)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

36. tkinter basics 1 - Intro.py

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+'''
+Hello and welcome to a basic intro to TKinter, which is the Python
+binding to TK, which is a toolkit that works around the Tcl language.
+
+The tkinter module purpose to to generate GUIs, like windows. Python is not very
+popularly used for this purpose, but it is more than capable of being used
+
+'''
+
+
+# Simple enough, just import everything from tkinter.
+from tkinter import *
+
+
+# Here, we are creating our class, Window, and inheriting from the Frame
+# class. Frame is a class from the tkinter module. (see Lib/tkinter/__init__)
+class Window(Frame):
+
+    # Define settings upon initialization. Here you can specify
+    def __init__(self, master=None):
+        
+        # parameters that you want to send through the Frame class.
+        # self, and this is the parent widget
+
+        # if you are wondering what self is... it is the object
+        # created from the class. You can actually call it anything
+        # you want... people just use "self"
+        Frame.__init__(self, master)   
+
+        #reference to the master widget, which is the tk window                 
+        self.master = master
+
+        #with that, we want to then run init_window, which doesn't yet exist
+        #self.init_window()
+
+    #Creation of init_window
+    #def init_window(self):
+
+        # changing the title of our master widget      
+#        self.master.title("GUI")
+
+
+        
+        
+
+
+
+# root window created. Here, that would be the only window, but
+# you can later have windows within windows.
+root = Tk()
+
+#///root.geometry("250x150+300+300")
+
+#creation of an instance
+app = Window(root)
+
+#mainloop 
+root.mainloop()  
+

37. tkinter basics 2 - buttons.py

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+'''
+Hello and welcome to a basic intro to TKinter, which is the Python
+binding to TK, which is a toolkit that works around the Tcl language.
+
+The tkinter module purpose to to generate GUIs, like windows. Python is not very
+popularly used for this purpose, but it is more than capable of being used
+
+'''
+
+
+# Simple enough, just import everything from tkinter.
+from tkinter import *
+
+
+# Here, we are creating our class, Window, and inheriting from the Frame
+# class. Frame is a class from the tkinter module. (see Lib/tkinter/__init__)
+class Window(Frame):
+
+    # Define settings upon initialization. Here you can specify
+    def __init__(self, master=None):
+        
+        # parameters that you want to send through the Frame class. 
+        Frame.__init__(self, master)   
+
+        #reference to the master widget, which is the tk window                 
+        self.master = master
+
+        #with that, we want to then run init_window, which doesn't yet exist
+        self.init_window()
+
+    #Creation of init_window
+    def init_window(self):
+
+        # changing the title of our master widget      
+        self.master.title("GUI")
+
+        # allowing the widget to take the full space of the root window
+        self.pack(fill=BOTH, expand=1)
+
+        # creating a button instance
+        quitButton = Button(self, text="Quit")#,command=self.quit)
+
+        # placing the button on my window
+        quitButton.place(x=0, y=0)
+
+
+        
+        
+
+
+
+# root window created. Here, that would be the only window, but
+# you can later have windows within windows.
+root = Tk()
+
+root.geometry("400x300")
+
+#creation of an instance
+app = Window(root)
+
+#mainloop 
+root.mainloop()  
+

38. tkinter basics 3 - Event Handling.py

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+'''
+Hello and welcome to a basic intro to TKinter, which is the Python
+binding to TK, which is a toolkit that works around the Tcl language.
+
+The tkinter module purpose to to generate GUIs, like windows. Python is not very
+popularly used for this purpose, but it is more than capable of being used
+
+'''
+
+
+# Simple enough, just import everything from tkinter.
+from tkinter import *
+
+
+# Here, we are creating our class, Window, and inheriting from the Frame
+# class. Frame is a class from the tkinter module. (see Lib/tkinter/__init__)
+class Window(Frame):
+
+    # Define settings upon initialization. Here you can specify
+    def __init__(self, master=None):
+        
+        # parameters that you want to send through the Frame class. 
+        Frame.__init__(self, master)   
+
+        #reference to the master widget, which is the tk window                 
+        self.master = master
+
+        #with that, we want to then run init_window, which doesn't yet exist
+        self.init_window()
+
+    #Creation of init_window
+    def init_window(self):
+
+        # changing the title of our master widget      
+        self.master.title("GUI")
+
+        # allowing the widget to take the full space of the root window
+        self.pack(fill=BOTH, expand=1)
+
+        # creating a button instance
+        quitButton = Button(self, text="Exit",command=self.client_exit)
+
+        # placing the button on my window
+        quitButton.place(x=0, y=0)
+
+        
+
+
+    def client_exit(self):
+        exit()
+
+
+        
+        
+
+
+
+# root window created. Here, that would be the only window, but
+# you can later have windows within windows.
+root = Tk()
+
+root.geometry("400x300")
+
+#creation of an instance
+app = Window(root)
+
+#mainloop 
+root.mainloop()  
+