all the required program files for uploaded for markdown Viewer

Author: kaliappan01

markdownViewer/README.md

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+#Markdown Viewer
+
+Markdown viewer using python tkinter library.  
+
+#modules used  
+
+- Tkinter
+- markdown2
+- tkhtmlview
+
+
+## Setup and activate virtual environment :  
+For Unix based systems please execute the following command to create venv and install requirements.
+```
+make init  
+source .venv/bin/activate  
+```
+For Windows based system
+```
+pip install -r /path/to/requirements.txt
+```
+
+## How to Use
+
+```
+python3 markdown_viewer.py
+```

markdownViewer/makefile

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+VENV ?= .venv
+REQUIREMENTS_FILE ?= requirements.txt
+
+init:
+	python3 -m venv $(VENV)
+	$(VENV)/bin/python -m pip install --upgrade pip
+	if [ -f $(REQUIREMENTS_FILE) ]; \
+	    then $(VENV)/bin/python -m pip install -r $(REQUIREMENTS_FILE); \
+    fi

markdownViewer/markdown_viewer.py

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+from tkinter import *
+from tkinter import font, filedialog, messagebox as mbox
+from markdown2 import Markdown
+from tkhtmlview import HTMLLabel
+#
+#python3 -m pip install --upgrade pip
+#python3 -m pip install --upgrade Pillow
+#tkhtmlview
+
+
+class Window(Frame):
+    def __init__(self,master = None):
+        Frame.__init__(self,master)
+        self.master = master
+        self.font = font.Font(family = "Helvetica", size=14)
+        self.init_window()
+
+    def openfile(self):
+        filename = filedialog.askopenfilename(filetypes=(("Markdown File", "*.md , *.mdown , *.markdown"),
+        ("Text file","*.txt"),
+        ("All files","*.*")))
+        if filename:
+            try:
+                md2html = Markdown()
+                self.outputbox.set_html(md2html.convert(open(filename,"r").read()))
+            except:
+                mbox.showerror("Error opening file","The selected file cannot be opened !".format(filename))
+
+    
+    def init_window(self):
+        self.master.title("Mardown Viewer")
+        self.pack(fill=BOTH, expand=1)
+
+        self.mainmenu = Menu(self)
+        self.filemenu = Menu(self.mainmenu)
+        self.filemenu.add_command(label = "Open", command=self.openfile)
+        self.filemenu.add_separator()
+        self.filemenu.add_command(label = "Exit", command=self.quit)
+        self.mainmenu.add_cascade(label="File", menu=self.filemenu)
+        self.master.config(menu=self.mainmenu)
+
+        self.outputbox = HTMLLabel(self, width = "1", background = "white", html="<h1>Welcome</h1>")
+        self.outputbox.pack(fill=BOTH, expand=1, side=RIGHT)
+        self.outputbox.fit_height()
+
+
+root = Tk()
+root.geometry("750x600")
+app = Window(root)
+app.mainloop()
+
+

markdownViewer/requirements.txt

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+certifi==2021.5.30
+charset-normalizer==2.0.6
+idna==3.2
+markdown2==2.4.1
+Pillow==8.3.2
+requests==2.26.0
+tkhtmlview==0.1.0.post1
+urllib3==1.26.7