mirror of
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ff09f797f4
Summary: We don't need to it for the initial phases of the conversion. I've seen cases were exceptions while importing were also hidden and caused weird behavior down the line. Reviewed By: DurhamG Differential Revision: D19539064 fbshipit-source-id: 7415d88ef8fb69c949ed557ab0df7e6f7b39bf86
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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from __future__ import absolute_import
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def _fixsyspath():
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"""Fix sys.path so core edenscm modules (edenscmnative, and 3rd party
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libraries) are in sys.path
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"""
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# Do not expose those modules to edenscm.__dict__
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import sys
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import os
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dirname = os.path.dirname
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# __file__ is "hg/edenscm/__init__.py"
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# libdir is "hg/"
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# Do not follow symlinks (ex. do not use "realpath"). It breaks buck build.
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libdir = dirname(dirname(os.path.abspath(__file__)))
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# Make "edenscmdeps.zip" available in sys.path. It includes 3rd party
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# pure-Python libraries like IPython, thrift runtime, etc.
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#
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# Note: On Windows, the released version of hg uses python27.zip for all
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# pure Python modules including edenscm and everything in edenscmdeps.zip,
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# so not being able to locate edenscmdeps.zip is not fatal.
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for candidate in [libdir, os.path.join(libdir, "build")]:
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depspath = os.path.join(candidate, "edenscmdeps.zip")
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if os.path.exists(depspath) and depspath not in sys.path:
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sys.path.insert(0, depspath)
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# Make sure "edenscmnative" can be imported. Error early.
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# pyre-fixme[21]: Could not find `edenscmnative`.
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import edenscmnative
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edenscmnative.__name__
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_fixsyspath()
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# Keep the module clean
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del globals()["_fixsyspath"]
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def run(args=None, fin=None, fout=None, ferr=None):
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import sys
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if args is None:
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args = sys.argv
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if args[1:4] == ["serve", "--cmdserver", "chgunix2"]:
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# chgserver code path
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# no demandimport, since chgserver wants to preimport everything.
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from .mercurial import dispatch
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dispatch.runchgserver()
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else:
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# non-chgserver code path
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# - no chg in use: hgcommands::run -> HgPython::run_hg -> here
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# - chg client: chgserver.runcommand -> bindings.commands.run ->
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# hgcommands::run -> HgPython::run_hg -> here
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from . import traceimport
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traceimport.enable()
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if sys.version_info[0] < 3:
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# enable demandimport after enabling traceimport
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from . import hgdemandimport
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hgdemandimport.enable()
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# demandimport has side effect on importing dispatch.
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# so 'import dispatch' happens after demandimport
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from .mercurial import dispatch
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dispatch.run(args, fin, fout, ferr)
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