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