change to another exception clas

Author: frostming

pipenv/core.py

@@ -544,8 +544,8 @@ def ensure_project(
         raise exceptions.PipfileNotFound
     # Fail if working under /
     if not project.name:
-        raise exceptions.PipenvUsageError(
-            "Pipenv is not intended to work under root directory, "
+        raise exceptions.PipfileException(
+            "Pipenv is not intended to work under the root directory, "
             "please choose another path."
         )
     # Skip virtualenv creation when --system was used.

pipenv/exceptions.py

@@ -44,13 +44,13 @@ def handle_exception(exc_type, exception, traceback, hook=sys.excepthook):
 
 
 class PipenvException(ClickException):
-    message = "{0}: {{0}}".format(crayons.red("ERROR", bold=True))
+    formatted_message = "{0} {{0}}".format(crayons.red("ERROR:", bold=True))
 
     def __init__(self, message=None, **kwargs):
         if not message:
             message = "Pipenv encountered a problem and had to exit."
         extra = kwargs.pop("extra", [])
-        message = self.message.format(message)
+        message = self.formatted_message.format(message)
         ClickException.__init__(self, message)
         self.extra = extra
 
@@ -69,15 +69,13 @@ def show(self, file=None):
 
 
 class PipenvUsageError(UsageError):
+    formatted_message = "{0} {{0}}".format(crayons.red("ERROR:", bold=True))
 
     def __init__(self, message=None, ctx=None, **kwargs):
-        formatted_message = "{0}: {1}"
-        msg_prefix = crayons.red("ERROR:", bold=True)
         if not message:
             message = "Pipenv encountered a problem and had to exit."
-        message = formatted_message.format(msg_prefix, crayons.white(message, bold=True))
-        self.message = message
         extra = kwargs.pop("extra", [])
+        message = self.formatted_message.format(message)
         UsageError.__init__(self, fix_utf8(message), ctx)
         self.extra = extra