70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
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""" Utilities for accessing the platform's clipboard.
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"""
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import subprocess
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from IPython.core.error import TryNext
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import IPython.utils.py3compat as py3compat
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class ClipboardEmpty(ValueError):
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pass
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def win32_clipboard_get():
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""" Get the current clipboard's text on Windows.
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Requires Mark Hammond's pywin32 extensions.
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"""
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try:
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import win32clipboard
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except ImportError:
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raise TryNext("Getting text from the clipboard requires the pywin32 "
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"extensions: http://sourceforge.net/projects/pywin32/")
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win32clipboard.OpenClipboard()
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try:
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text = win32clipboard.GetClipboardData(win32clipboard.CF_UNICODETEXT)
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except (TypeError, win32clipboard.error):
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try:
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text = win32clipboard.GetClipboardData(win32clipboard.CF_TEXT)
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text = py3compat.cast_unicode(text, py3compat.DEFAULT_ENCODING)
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except (TypeError, win32clipboard.error):
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raise ClipboardEmpty
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finally:
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win32clipboard.CloseClipboard()
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return text
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def osx_clipboard_get() -> str:
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""" Get the clipboard's text on OS X.
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"""
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p = subprocess.Popen(['pbpaste', '-Prefer', 'ascii'],
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stdout=subprocess.PIPE)
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bytes_, stderr = p.communicate()
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# Text comes in with old Mac \r line endings. Change them to \n.
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bytes_ = bytes_.replace(b'\r', b'\n')
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text = py3compat.decode(bytes_)
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return text
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def tkinter_clipboard_get():
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""" Get the clipboard's text using Tkinter.
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This is the default on systems that are not Windows or OS X. It may
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interfere with other UI toolkits and should be replaced with an
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implementation that uses that toolkit.
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"""
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try:
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from tkinter import Tk, TclError
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except ImportError:
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raise TryNext("Getting text from the clipboard on this platform requires tkinter.")
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root = Tk()
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root.withdraw()
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try:
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text = root.clipboard_get()
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except TclError:
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raise ClipboardEmpty
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finally:
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root.destroy()
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text = py3compat.cast_unicode(text, py3compat.DEFAULT_ENCODING)
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return text
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