Merge pull request avinashkranjan#553 from vikashkumar2020/tree

DIRECTORY TREE GENERATOR

Author: avinashkranjan

Directory Tree Generator/README.md

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+# DIRECTORY TREE GENERATOR
+
+## Description
+A Script useful for visualizing the relationship between files and directories and making their positioning easy.
+- This can be used for implementations as one of the features. 
+
+## Language
+- [X] Python
+  
+## Instructions to run this application
+
+  1. Python 3 must be installed in your system.
+
+  - For first time, run this in terminal or powershell
+```
+pip3 install -r requirements.txt
+```
+  2. It will download all the required modules
+
+  - Now run the below command
+```
+python tree.py ["LOCATION OF CURRENT DIRECTORY" ]
+```
+As an example 
+```
+python tree.py C:\Users\kumar\Documents
+```
+Finally it will display the tree starting from the current directory given by user.
+
+Then press enter to exit.

Directory Tree Generator/Screenshot (142).png

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+argparse
+docopt

Directory Tree Generator/requirements.txt

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+#Directory Tree Generator
+
+import os
+import argparse
+
+def realname(path, root=None):
+    if root is not None:
+        path=os.path.join(root, path)
+    result=os.path.basename(path)
+    if os.path.islink(path):
+        realpath=os.readlink(path)
+        result= '%s -> %s' % (os.path.basename(path), realpath)
+    return result
+
+def ptree(startpath, depth=-1):
+    prefix=0
+    assert os.path.isdir(startpath),"Directory not valid"
+    if startpath != '/':
+        if startpath.endswith('/'): startpath=startpath[:-1]
+        prefix=len(startpath)
+    for root, dirs, files in os.walk(startpath):
+        level = root[prefix:].count(os.sep)
+        if depth >-1 and level > depth: continue
+        indent=subindent =''
+        if level > 0:
+            indent = '|   ' * (level-1) + '|-- '
+        subindent = '|   ' * (level) + '|-- '
+        print('{}{}/'.format(indent, realname(root)))
+       
+        for d in dirs:
+            if os.path.islink(os.path.join(root, d)):
+                print('{}{}'.format(subindent, realname(d, root=root)))
+        for f in files:
+            print('{}{}'.format(subindent, realname(f, root=root)))
+
+if __name__ == '__main__':
+    
+
+    print("\nDirectory tree \n")
+
+    parser = argparse.ArgumentParser(description='prints directory tree.')
+    parser.add_argument('startpath', type=str,
+                        help='path to stating directory')
+    args = parser.parse_args()
+    argsd=vars(args)
+    ptree(**argsd)
+    
+    input("\n\nPress enter to exit")