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# exc.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
""" Module containing all exceptions thrown throughout the git package, """
from gitdb.exc import * # NOQA @UnusedWildImport
from git.compat import UnicodeMixin, safe_decode, string_types
class InvalidGitRepositoryError(Exception):
""" Thrown if the given repository appears to have an invalid format. """
class WorkTreeRepositoryUnsupported(InvalidGitRepositoryError):
""" Thrown to indicate we can't handle work tree repositories """
class NoSuchPathError(OSError):
""" Thrown if a path could not be access by the system. """
class CommandError(UnicodeMixin, Exception):
"""Base class for exceptions thrown at every stage of `Popen()` execution.
:param command:
A non-empty list of argv comprising the command-line.
"""
#: A unicode print-format with 2 `%s for `<cmdline>` and the rest,
#: e.g.
#: u"'%s' failed%s"
_msg = u"Cmd('%s') failed%s"
def __init__(self, command, status=None, stderr=None, stdout=None):
if not isinstance(command, (tuple, list)):
command = command.split()
self.command = command
self.status = status
if status:
if isinstance(status, Exception):
status = u"%s('%s')" % (type(status).__name__, safe_decode(str(status)))
else:
try:
status = u'exit code(%s)' % int(status)
except:
s = safe_decode(str(status))
status = u"'%s'" % s if isinstance(status, string_types) else s
self._cmd = safe_decode(command[0])
self._cmdline = u' '.join(safe_decode(i) for i in command)
self._cause = status and u" due to: %s" % status or "!"
self.stdout = stdout and u"\n stdout: '%s'" % safe_decode(stdout) or ''
self.stderr = stderr and u"\n stderr: '%s'" % safe_decode(stderr) or ''
def __unicode__(self):
return (self._msg + "\n cmdline: %s%s%s") % (
self._cmd, self._cause, self._cmdline, self.stdout, self.stderr)
class GitCommandNotFound(CommandError):
"""Thrown if we cannot find the `git` executable in the PATH or at the path given by
the GIT_PYTHON_GIT_EXECUTABLE environment variable"""
def __init__(self, command, cause):
super(GitCommandNotFound, self).__init__(command, cause)
self._msg = u"Cmd('%s') not found%s"
class GitCommandError(CommandError):
""" Thrown if execution of the git command fails with non-zero status code. """
def __init__(self, command, status, stderr=None, stdout=None):
super(GitCommandError, self).__init__(command, status, stderr, stdout)
class CheckoutError(Exception):
"""Thrown if a file could not be checked out from the index as it contained
changes.
The .failed_files attribute contains a list of relative paths that failed
to be checked out as they contained changes that did not exist in the index.
The .failed_reasons attribute contains a string informing about the actual
cause of the issue.
The .valid_files attribute contains a list of relative paths to files that
were checked out successfully and hence match the version stored in the
index"""
def __init__(self, message, failed_files, valid_files, failed_reasons):
Exception.__init__(self, message)
self.failed_files = failed_files
self.failed_reasons = failed_reasons
self.valid_files = valid_files
def __str__(self):
return Exception.__str__(self) + ":%s" % self.failed_files
class CacheError(Exception):
"""Base for all errors related to the git index, which is called cache internally"""
class UnmergedEntriesError(CacheError):
"""Thrown if an operation cannot proceed as there are still unmerged
entries in the cache"""
class HookExecutionError(CommandError):
"""Thrown if a hook exits with a non-zero exit code. It provides access to the exit code and the string returned
via standard output"""
def __init__(self, command, status, stderr=None, stdout=None):
super(HookExecutionError, self).__init__(command, status, stderr, stdout)
self._msg = u"Hook('%s') failed%s"
class RepositoryDirtyError(Exception):
"""Thrown whenever an operation on a repository fails as it has uncommited changes that would be overwritten"""
def __init__(self, repo, message):
self.repo = repo
self.message = message
def __str__(self):
return "Operation cannot be performed on %r: %s" % (self.repo, self.message)