Some PEP8 conform changes, noteably line breaks and too long lines and indendantion

public/userapplication.py

@@ -20,16 +20,20 @@ try:
     args = argparser.parse_args()
     CONF_FILE = args.config
 except:
+    # intended broad, @TODO check them all for errors instead of everything in one
     logging.exception("Argumentparser-Exception: ")
+    exit(0)
 
 try:
     config = configparser.ConfigParser()
     config.read(CONF_FILE)
-  logging.basicConfig(format="%(asctime)s: %(message)s", filename=config['DEFAULT']['log_file'],level=int(config['LOG_LEVEL']['log_level']))
-  del(cwd)
+    logging.basicConfig(format="%(asctime)s: %(message)s", filename=config['DEFAULT']['log_file'],
+                        level=int(config['LOG_LEVEL']['log_level']))
     REG_FILE = config['DEFAULT']['applications_db']
 except:
+    # intended broad, @TODO check them all for errors instead of everything in one
     logging.exception("logging or configparser-Exception: ")
+    exit(0)
 
 VALID_SSH = False
 VALID_USER = False
@@ -38,22 +42,24 @@ VALID_USER=False
 def __createTable(cursor, connection):
     try:
         cursor.execute(
-      "CREATE TABLE IF NOT EXISTS applications(" \
-      "id INTEGER PRIMARY KEY AUTOINCREMENT,"\
-      "username TEXT NOT NULL, email TEXT NOT NULL,"\
-      "name TEXT NOT NULL, pubkey TEXT NOT NULL,"\
+            "CREATE TABLE IF NOT EXISTS applications("
+            "id INTEGER PRIMARY KEY AUTOINCREMENT,"
+            "username TEXT NOT NULL, email TEXT NOT NULL,"
+            "name TEXT NOT NULL, pubkey TEXT NOT NULL,"
             "timestamp DATETIME DEFAULT CURRENT_TIMESTAMP, status INTEGER NOT NULL DEFAULT 0);")
         connection.commit()
-  except:
-    logging.exception("Couldn't create needed SQLite Table!")
+    except sqlite3.Error as e:
+        logging.exception("Couldn't create needed SQLite Table! Exception: %s" % e)
+
 
 def addtotable(cursor, connection, username, name, email, pubkey):
     try:
-    cursor.execute("INSERT INTO 'applications'(username, name, email, pubkey)VALUES("\
+        cursor.execute("INSERT INTO 'applications'(username, name, email, pubkey)VALUES("
                        "?,?,?,?)", [username, name, email, pubkey])
         connection.commit()
-  except:
-    logging.exception("Couldn't insert user into the db")
+    except sqlite3.Error as e:
+        logging.exception("Couldn't insert user into the db: %s" % e)
+
 
 # check if sqlite file does exists or already and has our structure
 def __checkSQLite(cursor, connection):
@@ -61,15 +67,16 @@ def __checkSQLite(cursor, connection):
     cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='applications'")
     res = cursor.fetchall()
 
-  if res== []:
+    if not res:
         try:
             __createTable(cursor, connection)
-    except:
-      logging.exception("couldn't create table on given database. Exception: ")
+        except sqlite3.Error as e:
+            logging.exception("couldn't create table on given database. Exception: %s" % e)
     else:
         pass
     return True
 
+
 def check_username(value):
     global VALID_USER
     if len(value) < 3:
@@ -79,7 +86,8 @@ def check_username(value):
         from pwd import getpwnam
         getpwnam(value)
         VALID_USER = False
-  except:
+    # intended broad
+    except Exception:
         VALID_USER = True
         return True
     return False
@@ -111,38 +119,34 @@ def validate_pubkey(value):
     return True
 
 
-
 def main():
     print("    ▗▀▖      \n▗▖▖ ▐  ▌ ▌▛▀▖\n▘▝▗▖▜▀ ▌ ▌▌ ▌\n  ▝▘▐  ▝▀▘▘ ▘")
 
     username = input("Welcome to the ~.fun user application form!\n\nWhat is your desired username? [a-z0-9] allowed:\n")
     while (not re.match("[a-z]+[a-z0-9]", username)) or (not check_username(username)):
-    username = input("Invalid Username, maybe it exists already?\nValid characters are only a-z and 0-9.\nMake sure your username starts with a character and not a number." \
+        username = input("Invalid Username, maybe it exists already?\nValid characters are only a-z and 0-9."
+                         "\nMake sure your username starts with a character and not a number."
                          "\nWhat is your desired username? [a-z0-9] allowed:\n")
 
-
     fullname = input("\nPlease enter your full name:\n")
     while not re.match("\w+\s*\w*", username):
         fullname = input("\nThat is not your real name.\nPlease enter your full name:\n")
 
-
     email = input("\nPlease enter your email address:\n")
     while not re.match("(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)", email):
         email = input("\nThat is not a valid mail address.\nPlease enter your email address:\n")
 
-  
     pubkey = input("\nPlease paste your ssh public key:\n")
     while (not re.match("ssh-(\w)+\s(\w+)(\s*)([a-zA-Z0-9@]*)", pubkey)) or (not validate_pubkey(pubkey)):
-    pubkey = input("\nPlease enter a valid public key. You can show it with ssh-keygen -f .ssh/id_rsa -y on your local machine.\nPlease enter your pubkey:\n")
+        pubkey = input("\nPlease enter a valid public key. You can show it with ssh-keygen -f .ssh/id_rsa -y on your "
+                       "local machine.\nPlease enter your pubkey:\n")
         validate_pubkey(pubkey)
 
-  
     print("\nUsername: {0!s}".format(username))
     print("Full Name: {0!s}".format(fullname))
     print("Email: {0!s}".format(email))
     print("Public {0!s}".format(pubkey))
 
-  
     validation = input("\nIs this information correct? [y/N]")
     while not re.match("[yYnN\n]", validation):
         print("Please answer y for yes or n for no")
@@ -156,13 +160,16 @@ def main():
             addtotable(cursor, connection, username, fullname, email, pubkey)
             connection.commit()
             connection.close()
-    except:
-      logging.exception("Database {0!s} couldnt be accessed or created. Exception:".format(config['DEFAULT']['applications_db']))
+        except sqlite3.Error as e:
+            logging.exception("Database {0!s} couldnt be accessed or created. Exception: {0!s}".
+                              format(config['DEFAULT']['applications_db'], e))
+            if connection:
                 connection.close()
             exit(1)
-  pass
+
     return 0
 
+
 if __name__ == "__main__":
     try:
         main()