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setup: execute ../support/bin/tahoe from ./bin/tahoe

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This commit is contained in:
Zooko O'Whielacronx 2008-04-10 14:40:37 -07:00
parent 0d2eb1edf6
commit cd1c6a58f5
1 changed files with 35 additions and 44 deletions
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79
bin/tahoe
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@ -1,52 +1,43 @@
#!/usr/bin/env python
# This preamble is adapted from Twisted. If we're being run from a source
# tree, add that tree's libdir to our path, so tahoe can be run from source
# without a lot of tedious PYTHONPATH changes.
import sys, os.path
where = os.path.realpath(sys.argv[0]).split(os.sep)
import errno, sys, os
# look for Tahoe.home . Two cases:
# ...(not BASE)/tahoe
# .../(BASE)/bin/tahoe
if len(where) >= 2 and where[-2] == "bin":
base = os.sep.join(where[:-2])
where = os.path.realpath(sys.argv[0])
base = os.path.dirname(os.path.dirname(where))
if os.path.exists(os.path.join(base, "Tahoe.home")):
# we've found our home. Put the tahoe source at the front of sys.path
srcdir = os.path.join(base, "src")
sys.path.insert(0, srcdir)
# and put any support eggs at the end of sys.path
if sys.platform == "win32":
supportdir = os.path.join(base, "support", "Lib", "site-packages")
else:
supportdir = os.path.join(base, "support",
"lib",
"python%d.%d" % sys.version_info[:2],
"site-packages")
support_eggs = []
if os.path.exists(supportdir):
for fn in os.listdir(supportdir):
if fn.endswith(".egg"):
support_eggs.append(os.path.join(supportdir, fn))
# look for Tahoe.home .
homemarker = os.path.join(base, "Tahoe.home")
if not os.path.exists(homemarker):
print "I am a \"bin/tahoe\" executable who is only for the convenience of running Tahoe from its source distribution -- I work only when run from the \"bin/\" subdirectory of a Tahoe source code distribution, and only if you have already run \"make\". I just tried to run and found that I am not in the bin/ subdirectory of a Tahoe source distribution, so I am stopping now. To run Tahoe when it is installed, please execute my brother, also named \"tahoe\", who gets installed into the appropriate place for executables when you run \"make install\"."
sys.exit(1)
# We also need to include .egg's in the base dir, because if there is an
# .egg there then "make build-deps" will take that as satisfying its
# requirements.
for fn in os.listdir(base):
if fn.endswith(".egg"):
support_eggs.append(os.path.abspath(os.path.join(base, fn)))
# we've found our home. Put the tahoe support/lib etc. in our PYTHONPATH.
if sys.platform == "win32":
supportdir = os.path.join(base, "support", "Lib", "site-packages")
else:
supportdir = os.path.join(base, "support",
"lib",
"python%d.%d" % sys.version_info[:2],
"site-packages")
sys.path.extend(support_eggs)
# update PYTHONPATH so that child processes (like twistd) will use this too
pp = os.environ.get("PYTHONPATH")
if pp:
pp = os.pathsep.join([supportdir] + pp.split(os.pathsep))
else:
pp = supportdir
os.environ["PYTHONPATH"] = pp
executable = os.path.join(base, "support", "bin", "tahoe")
try:
os.execve(executable, [executable] + sys.argv[1:], os.environ)
except (OSError, IOError), le:
if le.args[0] == errno.ENOENT:
print "I am a \"bin/tahoe\" executable who is only for the convenience of running Tahoe from its source distribution -- I work only when run from the \"bin/\" subdirectory of a Tahoe source code distribution, and only if you have already run \"make\". I just tried to run and could not find my brother, named \"../support/bin/tahoe\". To run Tahoe when it is installed, please execute my brother, also named \"tahoe\", who gets installed into the appropriate place for executables when you run \"make install\"."
raise
except Exception, le:
print "I am a \"bin/tahoe\" executable who is only for the convenience of running Tahoe from its source distribution -- I work only when run from the \"bin/\" subdirectory of a Tahoe source code distribution, and only if you have already run \"make\". I just tried to invoke my brother, named \"../support/bin/tahoe\" and got an exception."
raise
# also update PYTHONPATH so that child processes (like twistd) will
# use this too
pp = os.environ.get("PYTHONPATH")
if pp:
pp = os.pathsep.join([srcdir] + pp.split(os.pathsep) + support_eggs)
else:
pp = os.pathsep.join([srcdir] + support_eggs)
os.environ["PYTHONPATH"] = pp
from allmydata.scripts import runner
runner.run()