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| 1 | +# The MIT License |
| 2 | +# |
| 3 | +# Copyright (c) 2015 the bpython authors. |
| 4 | +# |
| 5 | +# Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | +# of this software and associated documentation files (the "Software"), to deal |
| 7 | +# in the Software without restriction, including without limitation the rights |
| 8 | +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | +# copies of the Software, and to permit persons to whom the Software is |
| 10 | +# furnished to do so, subject to the following conditions: |
| 11 | +# |
| 12 | +# The above copyright notice and this permission notice shall be included in |
| 13 | +# all copies or substantial portions of the Software. |
| 14 | +# |
| 15 | +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 21 | +# THE SOFTWARE. |
| 22 | + |
| 23 | +import subprocess |
| 24 | +import os |
| 25 | +import platform |
| 26 | +from locale import getpreferredencoding |
| 27 | + |
| 28 | +class CopyFailed(Exception): |
| 29 | + pass |
| 30 | + |
| 31 | +class XClipboard(object): |
| 32 | + """Manage clipboard with xclip.""" |
| 33 | + |
| 34 | + def copy(self, content): |
| 35 | + process = subprocess.Popen(['xclip', '-i', '-selection', 'clipboard'], |
| 36 | + stdin=subprocess.PIPE) |
| 37 | + process.communicate(content.encode(getpreferredencoding())) |
| 38 | + if process.returncode != 0: |
| 39 | + raise CopyFailed() |
| 40 | + |
| 41 | +class OSXClipboard(object): |
| 42 | + """Manage clipboard with pbcopy.""" |
| 43 | + |
| 44 | + def copy(self, content): |
| 45 | + process = subprocess.Popen(['pbcopy', 'w'], stdin=subprocess.PIPE) |
| 46 | + process.communicate(content.encode(getpreferredencoding())) |
| 47 | + if process.returncode != 0: |
| 48 | + raise CopyFailed() |
| 49 | + |
| 50 | +def command_exists(command): |
| 51 | + process = subprocess.Popen(['which', command], stderr=subprocess.STDOUT, |
| 52 | + stdout=subprocess.PIPE) |
| 53 | + process.communicate() |
| 54 | + |
| 55 | + return process.returncode == 0 |
| 56 | + |
| 57 | +def get_clipboard(): |
| 58 | + """Get best clipboard handling implemention for current system.""" |
| 59 | + |
| 60 | + if platform.system() == 'Darwin': |
| 61 | + if command_exists('pbcopy'): |
| 62 | + return OSXClipboard() |
| 63 | + if platform.system() in ('Linux', 'FreeBSD', 'OpenBSD') and os.getenv('DISPLAY') is not None: |
| 64 | + if command_exists('xclip'): |
| 65 | + return XClipboard() |
| 66 | + |
| 67 | + return None |
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