# -*- coding: utf-8 -*-
from __future__ import absolute_import, print_function
import errno
import os
import sys
import six
from vistir.compat import FileNotFoundError
if six.PY2:
class FileExistsError(OSError):
def __init__(self, *args, **kwargs):
self.errno = errno.EEXIST
super(FileExistsError, self).__init__(*args, **kwargs)
else:
from six.moves.builtins import FileExistsError
[docs]class RequirementError(Exception):
pass
[docs]class MissingParameter(Exception):
def __init__(self, param):
self.message = self.get_message(param)
super(MissingParameter, self).__init__(self.message)
[docs] @classmethod
def get_message(cls, param):
return "Missing Parameter: %s" % param
[docs] def show(self, param):
print(self.message, file=sys.stderr, flush=True)
[docs]class FileCorruptException(OSError):
def __init__(self, path, *args, **kwargs):
path = path
backup_path = kwargs.pop("backup_path", None)
if not backup_path and args:
args = reversed(args)
backup_path = args.pop()
if not isinstance(backup_path, six.string_types) or not os.path.exists(
os.path.abspath(os.path.dirname(backup_path))
):
args.append(backup_path)
backup_path = None
if args:
args = reversed(args)
self.message = self.get_message(path, backup_path=backup_path)
super(FileCorruptException, self).__init__(self.message)
[docs] def get_message(self, path, backup_path=None):
message = "ERROR: Failed to load file at %s" % path
if backup_path:
msg = "it will be backed up to %s and removed" % backup_path
else:
msg = "it will be removed and replaced on the next lock."
message = "{0}\nYour lockfile is corrupt, {1}".format(message, msg)
return message
[docs] def show(self):
print(self.message, file=sys.stderr, flush=True)
[docs]class LockfileCorruptException(FileCorruptException):
def __init__(self, path, backup_path=None):
self.message = self.get_message(path, backup_path=backup_path)
super(LockfileCorruptException, self).__init__(self.message)
[docs] def get_message(self, path, backup_path=None):
message = "ERROR: Failed to load lockfile at %s" % path
if backup_path:
msg = "it will be backed up to %s and removed" % backup_path
else:
msg = "it will be removed and replaced on the next lock."
message = "{0}\nYour lockfile is corrupt, {1}".format(message, msg)
return message
[docs] def show(self, path, backup_path=None):
print(self.message, file=sys.stderr, flush=True)
[docs]class PipfileCorruptException(FileCorruptException):
def __init__(self, path, backup_path=None):
self.message = self.get_message(path, backup_path=backup_path)
super(PipfileCorruptException, self).__init__(self.message)
[docs] def get_message(self, path, backup_path=None):
message = "ERROR: Failed to load Pipfile at %s" % path
if backup_path:
msg = "it will be backed up to %s and removed" % backup_path
else:
msg = "it will be removed and replaced on the next lock."
message = "{0}\nYour Pipfile is corrupt, {1}".format(message, msg)
return message
[docs] def show(self, path, backup_path=None):
print(self.message, file=sys.stderr, flush=True)
[docs]class PipfileNotFound(FileNotFoundError):
def __init__(self, path, *args, **kwargs):
self.errno = errno.ENOENT
self.filename = path
super(PipfileNotFound, self).__init__(self.filename)