Source code for

# This file is part of Dragonfly.
# (c) Copyright 2007, 2008 by Christo Butcher
# Licensed under the LGPL.
#   Dragonfly is free software: you can redistribute it and/or modify it
#   under the terms of the GNU Lesser General Public License as published
#   by the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#   Dragonfly is distributed in the hope that it will be useful, but
#   WITHOUT ANY WARRANTY; without even the implied warranty of
#   Lesser General Public License for more details.
#   You should have received a copy of the GNU Lesser General Public
#   License along with Dragonfly.  If not, see
#   <>.

This file implements an interface to the system clipboard using pyperclip
and should work on Windows, Mac OS and Linux-based operating systems.

# pylint: disable=W0622
# Suppress warnings about redefining the built-in 'format' function.

import os

from six import integer_types
import pyperclip

from .base_clipboard import BaseClipboard

[docs]class PyperclipClipboard(BaseClipboard): """ Class for interacting with the system clipboard via the `pyperclip <>`__ Python package. This is Dragonfly's default clipboard class on platforms other than Windows. .. note:: This class does work on Windows, however the Windows :class:`` class should be used instead because this class doesn't support as many clipboard formats. """ #-----------------------------------------------------------------------
[docs] @classmethod def get_system_text(cls): return pyperclip.paste()
[docs] @classmethod def set_system_text(cls, content): # If *content* is None, clear the clipboard and return early. if content is None: cls.clear_clipboard() return # Otherwise, convert *content* and set the system clipboard data. content = cls.convert_format_content(cls.format_unicode, content) pyperclip.copy(content)
[docs] @classmethod def clear_clipboard(cls): cls.set_system_text(u"")
# ----------------------------------------------------------------------
[docs] def copy_from_system(self, formats=None, clear=False): # Determine the supported formats. Copied file paths may be # available to us on X11. supported_formats = [self.format_text, self.format_unicode] if os.environ.get("XDG_SESSION_TYPE") == "x11": supported_formats.append(self.format_hdrop) # Determine which formats to retrieve. caller_specified_formats = bool(formats) if not formats: formats = supported_formats elif isinstance(formats, integer_types): formats = (formats,) # Verify that the given formats are valid. for format in formats: if not isinstance(format, integer_types): raise TypeError("Invalid clipboard format: %r" % format) # Retrieve the system clipboard content. # This class only handles text formats. text = self.get_system_text() contents = {} # Populate the clipboard contents dictionary and raise errors for # unavailable formats. for format in formats: try: err = False content = self.convert_format_content(format, text) contents[format] = content except (ValueError, TypeError): err = True # Do not raise an error for CF_HDROP content if the caller did # not specify it. if format == self.format_hdrop and not caller_specified_formats: err = False # Always raise an error if the format is not supported. if format not in supported_formats: err = True # Raise an error if a specified clipboard format was not # available. if err: format_repr = self.format_names.get(format, format) message = ("Specified clipboard format %r is not " "available." % format_repr) raise TypeError(message) self._contents = contents # Then clear the system clipboard, if requested. if clear: self.clear_clipboard()
[docs] def copy_to_system(self, clear=True): # Clear the system clipboard, if requested. if clear: self.clear_clipboard() # Transfer text content to system clipboard, if necessary. text = self.get_text() if text is not None: self.set_system_text(text)