bin/tahoe

   1 #!/usr/bin/env python
   2
   3 # This preamble is adapted from Twisted. If we're being run from a source
   4 # tree, add that tree's libdir to our path, so tahoe can be run from source
   5 # without a lot of tedious PYTHONPATH changes.
   6 import sys, os.path
   7 where = os.path.realpath(sys.argv[0]).split(os.sep)
   8
   9 # look for Tahoe.home . Two cases:
  10 #  ...(not BASE)/tahoe
  11 #  .../(BASE)/bin/tahoe
  12 if len(where) >= 2 and where[-2] == "bin":
  13     base = os.sep.join(where[:-2])
  14
  15     if os.path.exists(os.path.join(base, "Tahoe.home")):
  16         # we've found our home. Put the tahoe source at the front of sys.path
  17         srcdir = os.path.join(base, "src")
  18         sys.path.insert(0, srcdir)
  19         # and put any support eggs at the end of sys.path
  20         if sys.platform == "win32":
  21             supportdir = os.path.join(base, "support", "Lib", "site-packages")
  22         else:
  23             supportdir = os.path.join(base, "support",
  24                                       "lib",
  25                                       "python%d.%d" % sys.version_info[:2],
  26                                       "site-packages")
  27         support_eggs = []
  28         if os.path.exists(supportdir):
  29             for fn in os.listdir(supportdir):
  30                 if fn.endswith(".egg"):
  31                     support_eggs.append(os.path.join(supportdir, fn))
  32
  33         # We also need to include .egg's in the base dir, because if there is an
  34         # .egg there then "make build-deps" will take that as satisfying its
  35         # requirements.
  36         for fn in os.listdir(base):
  37             if fn.endswith(".egg"):
  38                 support_eggs.append(os.path.abspath(os.path.join(base, fn)))
  39
  40         sys.path.extend(support_eggs)
  41
  42         # also update PYTHONPATH so that child processes (like twistd) will
  43         # use this too
  44         pp = os.environ.get("PYTHONPATH")
  45         if pp:
  46             pp = os.pathsep.join([srcdir] + pp.split(os.pathsep) + support_eggs)
  47         else:
  48             pp = os.pathsep.join([srcdir] + support_eggs)
  49         os.environ["PYTHONPATH"] = pp
  50
  51 from allmydata.scripts import runner
  52 runner.run()