mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
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65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
#!/usr/bin/env python
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import errno, sys, os
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where = os.path.realpath(sys.argv[0])
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base = os.path.dirname(os.path.dirname(where))
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whoami = '''\
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I am a "bin/tahoe" executable who is only for the convenience of running
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Tahoe from its source distribution -- I work only when invoked as the "tahoe"
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script that lives in the "bin/" subdirectory of a Tahoe source code
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distribution, and only if you have already run "make".
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'''
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# look for Tahoe.home .
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homemarker = os.path.join(base, "Tahoe.home")
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if not os.path.exists(homemarker):
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print whoami
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print '''\
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I just tried to run and found that I am not living in such a directory, so I
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am stopping now. To run Tahoe after it has been is installed, please execute
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my brother, also named "tahoe", who gets installed into the appropriate place
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for executables when you run "make install" (perhaps as /usr/bin/tahoe).
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'''
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sys.exit(1)
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# we've found our home. Put the tahoe support/lib etc. in our PYTHONPATH.
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if sys.platform == "win32":
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supportdir = os.path.join(base, "support", "Lib", "site-packages")
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else:
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supportdir = os.path.join(base, "support",
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"lib",
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"python%d.%d" % sys.version_info[:2],
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"site-packages")
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# update PYTHONPATH so that child processes (like twistd) will use this too
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pp = os.environ.get("PYTHONPATH")
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if pp:
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pp = os.pathsep.join([supportdir] + pp.split(os.pathsep))
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else:
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pp = supportdir
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os.environ["PYTHONPATH"] = pp
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executable = os.path.join(base, "support", "bin", "tahoe")
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try:
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os.execve(executable, [executable] + sys.argv[1:], os.environ)
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except (OSError, IOError), le:
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if le.args[0] == errno.ENOENT:
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print whoami
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print '''\
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I just tried to run and could not find my brother, named
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"../support/bin/tahoe". To run Tahoe when it is installed, please execute my
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brother, also named "tahoe", who gets installed into the appropriate place
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for executables when you run "make install" (perhaps as /usr/bin/tahoe).
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'''
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raise
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except Exception, le:
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print whoami
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print '''\
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I just tried to invoke my brother, named "../support/bin/tahoe" and got an
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exception.
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'''
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raise
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