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import os |
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import errno |
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class FileActionsException(Exception): |
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''' |
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Base class for file-actions exceptions |
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''' |
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code = None |
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template = 'Unhandled error.' |
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def __init__(self, message=None, path=None): |
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self.path = path |
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message = self.template.format(self) if message is None else message |
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super(FileActionsException, self).__init__(message) |
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class InvalidDirnameError(FileActionsException): |
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''' |
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Exception raised when a new directory name is invalid. |
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:property name: name which raised this Exception |
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''' |
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code = 'directory-invalid-name' |
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template = 'Clipboard item {0.name!r} is not valid.' |
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def __init__(self, message=None, path=None, name=None): |
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self.name = name |
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super(InvalidDirnameError, self).__init__(message, path) |
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class DirectoryCreationError(FileActionsException): |
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''' |
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Exception raised when a new directory creation fails. |
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:property name: name which raised this Exception |
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''' |
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code = 'directory-mkdir-error' |
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template = 'Clipboard item {0.name!r} is not valid.' |
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def __init__(self, message=None, path=None, name=None): |
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self.name = name |
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super(DirectoryCreationError, self).__init__(message, path) |
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@property |
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def message(self): |
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return self.args[0] |
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@classmethod |
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def from_exception(cls, exception, *args, **kwargs): |
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message = None |
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if isinstance(exception, OSError): |
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message = '%s (%s)' % ( |
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os.strerror(exception.errno), |
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errno.errorcode[exception.errno] |
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) |
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return cls(message, *args, **kwargs) |
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class ClipboardException(FileActionsException): |
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''' |
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Base class for clipboard exceptions. |
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:property path: item path which raised this Exception |
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:property clipboard: :class Clipboard: instance |
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''' |
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code = 'clipboard-invalid' |
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template = 'Clipboard is invalid.' |
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def __init__(self, message=None, path=None, clipboard=None): |
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self.clipboard = clipboard |
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super(ClipboardException, self).__init__(message, path) |
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class ItemIssue(tuple): |
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''' |
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Item/error issue |
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''' |
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@property |
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def item(self): |
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return self[0] |
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@property |
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def error(self): |
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return self[1] |
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@property |
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def message(self): |
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if isinstance(self.error, OSError): |
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return '%s (%s)' % ( |
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os.strerror(self.error.errno), |
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errno.errorcode[self.error.errno] |
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) |
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# ensure full path is never returned |
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text = str(self.error) |
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text = text.replace(self.item.path, self.item.name) |
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return text |
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class InvalidClipboardItemsError(ClipboardException): |
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''' |
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Exception raised when a clipboard item is not valid. |
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:property path: item path which raised this Exception |
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''' |
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pair_class = ItemIssue |
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code = 'clipboard-invalid-items' |
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template = 'Clipboard has invalid items.' |
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def __init__(self, message=None, path=None, clipboard=None, issues=()): |
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self.issues = list(map(self.pair_class, issues)) |
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supa = super(InvalidClipboardItemsError, self) |
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supa.__init__(message, path, clipboard) |
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def append(self, item, error): |
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self.issues.append(self.pair_class((item, error))) |
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class InvalidClipboardModeError(ClipboardException): |
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''' |
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Exception raised when a clipboard mode is not valid. |
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:property mode: mode which raised this Exception |
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''' |
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code = 'clipboard-invalid-mode' |
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template = 'Clipboard mode {0.path!r} is not valid.' |
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def __init__(self, message=None, path=None, clipboard=None, mode=None): |
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self.mode = mode |
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supa = super(InvalidClipboardModeError, self) |
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supa.__init__(message, path, clipboard) |
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class InvalidClipboardSizeError(ClipboardException): |
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''' |
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Exception raised when a clipboard size exceeds cookie limit. |
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:property max_cookies: maximum allowed size |
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''' |
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code = 'clipboard-invalid-size' |
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template = 'Clipboard has too many items.' |
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def __init__(self, message=None, path=None, clipboard=None, max_cookies=0): |
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self.max_cookies = max_cookies |
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supa = super(InvalidClipboardSizeError, self) |
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supa.__init__(message, path, clipboard) |
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ergoithz /
browsepy
