Added password-manager

Author: avidLearnerInProgress

password-manager/password.py

@@ -0,0 +1,94 @@
+from sqlalchemy import create_engine
+from sqlalchemy import MetaData
+from sqlalchemy import Table, Column
+from sqlalchemy import String, DateTime
+
+class DataBaseInitializer(object):
+    """ This initializes the database and give basic facilities sql queries
+     for the table"""
+    
+    def __init__(self):
+        try:
+            self.engine = create_engine('sqlite:///test.db')
+        except Exception as e:
+            print("Unable to load the database! " + str(e))
+
+    def read(self, username=None, password=None):
+        if username:
+            result = self.engine.execute(
+                'select Username, Password from PasswordManager where\
+                username=:uname', uname=username)
+            for row in result:
+                print(row)
+        elif password:
+            result = self.engine.execute(
+                'select Username, Password from PasswordManager where\
+                passc=:password', passc=password)
+            for row in result:
+                print(row)
+        else:
+            result = self.engine.execute('select * from PasswordManager')
+            for row in result:
+                print(row)
+
+    def write(self, uname, passcode):
+        if uname == "" or passcode == "":
+            print("Fill Username and Password fields")
+            return None
+        else:
+            self.engine.execute(
+                'insert into PasswordManager (Username, Password) values\
+                (:name,:passc)', name=uname, passc=passcode)
+
+    def remove(self, uname):
+        if uname == "":
+            print("Error! supply username to remove..")
+            return None
+        else:
+            self.engine.execute(
+                'delete from PasswordManager where Username=:name', name=uname)
+
+
+class TableOperator(DataBaseInitializer):
+        # TODO: More Table operations
+
+    def __init__(self):
+        self.interface = DataBaseInitializer()
+        self.metadata = MetaData()
+
+    def PasswordTableGenerator(self):
+        self.RecordTable = Table(
+            'PasswordManager', self.metadata,
+            Column('Username', String),
+            Column('Password', String, primary_key=True),
+            Column('SiteInfo', String),
+            Column('timestamp', DateTime),
+        )
+        self.metadata.create_all(self.interface.engine)
+
+    def writer(self, username, password):
+        self.interface.write(username, password)
+
+    def reader(self, username=None, password=None):
+        self.interface.read(username, password)
+
+    def remove(self, username=None):
+        self.interface.remove(username)
+
+    def dropper(self):
+        self.RecordTable.drop(self.interface.engine)
+
+
+def main():
+    operator = TableOperator()
+    operator.PasswordTableGenerator()
+    operator.reader()
+    #operator.writer('Chirag', 'qwertyuiop')
+    operator.reader('Chirag')
+    operator.reader('qwertyuiop')
+    #operator.remove('rasadajseq')
+    #operator.dropper()
+
+
+if __name__ == '__main__':
+    main()