Update clipboard Qt-bindings for flexiblity and Python3 compatibility… · pandas-dev/pandas@412988e (original) (raw)

`@@ -18,7 +18,8 @@

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`On Linux, install xclip or xsel via package manager. For example, in Debian:

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`sudo apt-get install xclip

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Otherwise on Linux, you will need the gtk or PyQt4 modules installed.

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Otherwise on Linux, you will need the gtk, qtpy or PyQt modules installed.

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qtpy also requires a python-qt-bindings module: PyQt4, PyQt5, PySide, PySide2

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`gtk and PyQt4 modules are not available for Python 3,

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`and this module does not work with PyGObject yet.

`@@ -34,9 +35,9 @@

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`init_klipper_clipboard, init_no_clipboard)

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`from .windows import init_windows_clipboard

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`` -

`import PyQt4` sys.exit()s if DISPLAY is not in the environment.

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`` +

`import qtpy` sys.exit()s if DISPLAY is not in the environment.

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`# Thus, we need to detect the presence of $DISPLAY manually

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and not load PyQt4 if it is absent.

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and not load qtpy if it is absent.

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`HAS_DISPLAY = os.getenv("DISPLAY", False)

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`CHECK_CMD = "where" if platform.system() == "Windows" else "which"

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`@@ -68,9 +69,23 @@ def determine_clipboard():

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`return init_gtk_clipboard()

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`try:

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Check if PyQt4 is installed

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import PyQt4 # noqa

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qtpy is a small abstraction layer that lets you write

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applications using a single api call to either PyQt or PySide

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https://pypi.python.org/pypi/QtPy

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import qtpy # noqa

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`except ImportError:

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If qtpy isn't installed, fall back on importing PyQt5, or PyQt5

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try:

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import PyQt5 # noqa

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except ImportError:

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try:

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import PyQt4 # noqa

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except ImportError:

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pass # fail fast for all non-ImportError exceptions.

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else:

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return init_qt_clipboard()

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else:

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return init_qt_clipboard()

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`pass

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`else: