API tools faq
paste
here2share

# syntax_highlighter.py

here2share
Jan 27th, 2022 (edited)
439
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Python 8.01 KB | None | 0 0
raw download clone embed print report
  1. # syntax_highlighter.py
  2.  
  3. from tkinter import *
  4. from collections import deque
  5.  
  6.  
  7. class Window:
  8.     def __init__(self, master):
  9.         self.master = master
  10.         self.master.option_add("*Font", "Verdana 12")
  11.  
  12.         self.Main = Frame(self.master)
  13.  
  14.         self.stack = deque(maxlen = 10)
  15.         self.stackcursor = 0
  16.  
  17.         self.L1 = Label(self.Main, text = "To Start... Paste Code Into Entry Box")
  18.         self.L1.pack(padx = 5, pady = 5)
  19.  
  20.  
  21.         #---------
  22.  
  23.         self.T1 = Text(self.Main, width = 124, height = 29)
  24.  
  25.         self.T1.tag_configure("orange", foreground = "orange", font = "Verdana 12")
  26.         self.T1.tag_configure("blue", foreground = "blue", font = "Verdana 12")
  27.         self.T1.tag_configure("purple", foreground = "purple", font = "Verdana 12")
  28.         self.T1.tag_configure("grey", foreground = "grey", font = "Verdana 12")
  29.         self.T1.tag_configure("red", foreground = "red", font = "Verdana 12")
  30.         self.T1.tag_configure("green", foreground = "green", font = "Verdana 12")
  31.  
  32.         self.tags = ["orange", "blue", "purple", "red", "grey", "green"]
  33.  
  34.         self.wordlist = [["and", "or", "not", "assert", "finally", "find", "break", "for", "pass", "class", "from", "print", "continue", "global", "raise", "def", "if","return", "del", "import", "try", "elif", "in", "while", "else", "is", "with", "except", "lambda", ".append", ".extend", "yield", ".insert", ".delete", "del", ".update", ".zfill", ".bind", ".config", ".tag_configure", ".tag_add", ".index", "True", "False", "Frame", "Label", "Entry", "Button", "Radiobutton", "Checkbutton", "reverse", "Text", ".create_oval", ".create_rectangle", ".create_image", ".create_polygon", "text", "height", "width", "fill", "fg", "bg", "color", "font", "pack", "grid", "place"],
  35.         ["int", "str", "float", "list", "dict", "tuple", ".set", ".get", "bool", "zip", "input", "__init__", "+", "+=", "-", "-=", "*", "*=", "/","/=", "==", "!=", "**", "<", ">", "^", "%"],
  36.         ["pygame", "tkinter", "sys", "os", "mysql", ":"],
  37.         ["self", "exec", "eval", "open", "system", "fork", "Tkinter", ";"],
  38.         ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0"] ]
  39.  
  40.         self.T1.bind("<Return>", lambda event: self.indent(event.widget))
  41.          
  42.         self.T1.pack(padx = 5, pady = 5)
  43.  
  44.         #---------
  45.  
  46.         self.menu = Menu(self.Main)
  47.         self.menu.add_command(label = "Print", command = self.print_stack)
  48.         self.menu.add_command(label = "Undo", command = self.undo)
  49.         self.menu.add_command(label = "Redo", command = self.redo)
  50.  
  51.         self.master.config(menu = self.menu)
  52.  
  53.         self.B1 = Button(self.Main, text = "Print", width = 8, command = self.display)
  54.         self.B1.pack(padx = 5, pady = 5, side = LEFT)
  55.  
  56.         self.B2 = Button(self.Main, text = "Clear", width = 8, command = self.clear)
  57.         self.B2.pack(padx = 5, pady = 5, side = LEFT)
  58.  
  59.         self.B3 = Button(self.Main, text = "Undo", width = 8, command = self.undo)
  60.         self.B3.pack(padx = 5, pady = 5, side = LEFT)
  61.  
  62.         self.B4 = Button(self.Main, text = "Redo", width = 8, command = self.redo)
  63.         self.B4.pack(padx = 5, pady = 5, side = LEFT)
  64.  
  65.         self.Main.pack(padx = 5, pady = 5)
  66.  
  67.  
  68.     def tagHighlight(self):
  69.         start = "1.0"
  70.         end = "end"
  71.          
  72.         for mylist in self.wordlist:
  73.             num = int(self.wordlist.index(mylist))
  74.  
  75.             for word in mylist:
  76.                 self.T1.mark_set("matchStart", start)
  77.                 self.T1.mark_set("matchEnd", start)
  78.                 self.T1.mark_set("SearchLimit", end)
  79.  
  80.                 mycount = IntVar()
  81.                  
  82.                 while True:
  83.                     index= self.T1.search(word,"matchEnd","SearchLimit", count=mycount, regexp = False)
  84.  
  85.                     if index == "": break
  86.                     if mycount.get() == 0: break
  87.  
  88.                     self.T1.mark_set("matchStart", index)
  89.                     self.T1.mark_set("matchEnd", "%s+%sc" % (index, mycount.get()))
  90.  
  91.                     preIndex = "%s-%sc" % (index, 1)
  92.                     postIndex = "%s+%sc" % (index, mycount.get())
  93.                      
  94.                     if self.check(index, preIndex, postIndex):
  95.                         self.T1.tag_add(self.tags[num], "matchStart", "matchEnd")
  96.                          
  97.  
  98.     def check(self, index, pre, post):
  99.         letters = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p",
  100.                    "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
  101.  
  102.         if self.T1.get(pre) == self.T1.get(index):
  103.             pre = index
  104.         else:
  105.             if self.T1.get(pre) in letters:
  106.                 return 0
  107.  
  108.         if self.T1.get(post) in letters:
  109.             return 0
  110.  
  111.         return 1
  112.  
  113.  
  114.     def scan(self):
  115.         start = "1.0"
  116.         end = "end"
  117.         mycount = IntVar()
  118.  
  119.         regex_patterns = [r'".*"', r'#.*']
  120.  
  121.         for pattern in regex_patterns:
  122.             self.T1.mark_set("start", start)
  123.             self.T1.mark_set("end", end)
  124.  
  125.             num = int(regex_patterns.index(pattern))
  126.  
  127.             while True:
  128.                 index = self.T1.search(pattern, "start", "end", count=mycount, regexp = True)
  129.  
  130.                 if index == "": break
  131.  
  132.                 if (num == 1):
  133.                     self.T1.tag_add(self.tags[5], index, index + " lineend")
  134.                 elif (num == 0):
  135.                     self.T1.tag_add(self.tags[4], index, "%s+%sc" % (index, mycount.get()))
  136.  
  137.                 self.T1.mark_set("start", "%s+%sc" % (index, mycount.get()))
  138.  
  139.  
  140.     def indent(self, widget):
  141.  
  142.         index1 = widget.index("insert")
  143.         index2 = "%s-%sc" % (index1, 1)
  144.         prevIndex = widget.get(index2, index1)
  145.  
  146.         prevIndentLine = widget.index(index1 + "linestart")
  147.         print("prevIndentLine ",prevIndentLine)
  148.         prevIndent = self.getIndex(prevIndentLine)
  149.         print("prevIndent ", prevIndent)
  150.  
  151.  
  152.         if prevIndex == ":":
  153.             widget.insert("insert", "\n" + "     ")
  154.             widget.mark_set("insert", "insert + 1 line + 5char")
  155.  
  156.             while widget.compare(prevIndent, ">", prevIndentLine):
  157.                 widget.insert("insert", "     ")
  158.                 widget.mark_set("insert", "insert + 5 chars")
  159.                 prevIndentLine += "+5c"
  160.             return "break"
  161.          
  162.         elif prevIndent != prevIndentLine:
  163.             widget.insert("insert", "\n")
  164.             widget.mark_set("insert", "insert + 1 line")
  165.  
  166.             while widget.compare(prevIndent, ">", prevIndentLine):
  167.                 widget.insert("insert", "     ")
  168.                 widget.mark_set("insert", "insert + 5 chars")
  169.                 prevIndentLine += "+5c"
  170.             return "break"
  171.  
  172.  
  173.     def getIndex(self, index):
  174.         while True:
  175.             if self.T1.get(index) == " ":
  176.                 index = "%s+%sc" % (index, 1)
  177.             else:
  178.                 return self.T1.index(index)
  179.            
  180.                    
  181.     def update(self):
  182.         self.stackify()
  183.         self.tagHighlight()
  184.         self.scan()
  185.  
  186.     def display(self):
  187.         print(self.T1.get("1.0", "end"))    
  188.  
  189.     def clear(self):
  190.         self.T1.delete("1.0", "end")
  191.  
  192.     def stackify(self):
  193.         self.stack.append(self.T1.get("1.0", "end - 1c"))
  194.         if self.stackcursor < 9: self.stackcursor += 1
  195.  
  196.     def undo(self):
  197.         if self.stackcursor != 0:
  198.             self.clear()
  199.             if self.stackcursor > 0: self.stackcursor -= 1
  200.             self.T1.insert("0.0", self.stack[self.stackcursor])
  201.  
  202.     def redo(self):
  203.         if len(self.stack) > self.stackcursor + 1:
  204.             self.clear()
  205.             if self.stackcursor < 9: self.stackcursor += 1
  206.             self.T1.insert("0.0", self.stack[self.stackcursor])
  207.  
  208.     def print_stack(self):
  209.         i = 0
  210.         for stack in self.stack:
  211.             print(str(i) + " " + stack)
  212.             i += 1
  213.  
  214.                      
  215. root = Tk()
  216. window = Window(root)
  217. root.bind("<Key>", lambda event: window.update())
  218. root.mainloop()
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!