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04ee6433d4
Summary: deals with the tests failing like this on my python 2.7 system: ``` + /data/users/wez/facebook-hg-rpms/fb-hgext/hgext3rd/uncommit.py:144: DeprecationWarning: With-statements now directly support multiple context managers + with nested(repo.wlock(), repo.lock()): ``` Test Plan: arc unit Reviewers: #mercurial, stash, simonfar, wez Reviewed By: stash, simonfar Subscribers: mjpieters Differential Revision: https://phabricator.intern.facebook.com/D4910040 Signature: t1:4910040:1492593520:ff815c5dbed4a341e0a313cd7160b700d878ee2c
148 lines
4.6 KiB
Python
148 lines
4.6 KiB
Python
# debuginhibit.py
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#
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# Copyright 2017 Facebook, Inc.
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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 or any later version.
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"""debug commands and instrumentation for the inhibit extension
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Adds the `debuginhibit` and `debugdeinhibit` commands to manually inhibit
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and deinhibit nodes for testing purposes. Also causes inhibit to print
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out the nodes being inhihibited or deinhibited and/or a stack trace of each
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call site with the following config options::
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[debuginhibit]
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printnodes = true
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printstack = true
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stackdepth = 4
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If stackdepth is not specified, a full stack trace will be printed.
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"""
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import inspect
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import os
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from contextlib import nested
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from functools import partial
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from operator import itemgetter
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from mercurial import (
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cmdutil,
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extensions,
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error,
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scmutil,
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)
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from mercurial.i18n import _
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from mercurial.node import short
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from hgext3rd.nodeprecate import nodeprecate
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testedwith = 'ships-with-fb-hgext'
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cmdtable = {}
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command = cmdutil.command(cmdtable)
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inhibit = None
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def extsetup(ui):
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global inhibit
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try:
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inhibit = extensions.find('inhibit')
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except KeyError:
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ui.debug("no inhibit extension detected - "
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"disabling debuginhibit\n")
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return
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if ui.configbool('debuginhibit', 'printnodes'):
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extensions.wrapfunction(
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inhibit,
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'_inhibitmarkers',
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partial(printnodeswrapper, ui, label="Inhibiting")
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)
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extensions.wrapfunction(
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inhibit,
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'_deinhibitmarkers',
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partial(printnodeswrapper, ui, label="Deinhibiting")
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)
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def printnodeswrapper(ui, orig, repo, nodes, label=None):
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"""Wrapper function that prints the nodes being inhibited/dehinhibited."""
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if label is None:
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label = "Nodes"
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# `nodes` may be a generator, so collect it into a list first.
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nodes = list(nodes)
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ui.status(_("%s: %s\n") % (label, [short(n) for n in nodes]))
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# Print out a truncated stack trace at the callsite if specified.
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if ui.configbool('debuginhibit', 'printstack'):
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trace = [_printframe(fi) for fi in inspect.stack()]
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# Truncate the stack trace is specified by the user's config.
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# Always remove the first two entries since they correspond
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# to this wrapper function.
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depth = ui.config('debuginhibit', 'stackdepth')
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trace = trace[2:] if depth is None else trace[2:2 + int(depth)]
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ui.status(_("Context:\n\t%s\n") % "\n\t".join(trace))
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return orig(repo, nodes)
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@command('debuginhibit', [
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('r', 'rev', [], _("revisions to inhibit or deinhibit")),
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('d', 'deinhibit', False, _("deinhibit the specified revs"))
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])
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@nodeprecate
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def debuginhibit(ui, repo, *revs, **opts):
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"""manually inhibit or deinhibit the specified revisions
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By default inhibits any obsolescence markers on the given revs.
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With no arguments prints out a list of inhibited nodes.
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"""
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_checkenabled(repo)
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revs = list(revs) + opts.get('rev', [])
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# If no arguments were passed to the command, just print out all the
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# inhibited nodes and exit.
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if not revs:
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_prettyprintnodes(ui, repo, repo._obsinhibit)
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return
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revs = scmutil.revrange(repo, revs)
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nodes = (repo.changelog.node(rev) for rev in revs)
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with nested(repo.wlock(), repo.lock()):
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with repo.transaction('debuginhibit') as tr:
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if opts.get('deinhibit', False):
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inhibit._deinhibitmarkers(repo, nodes)
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else:
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inhibit._inhibitmarkers(repo, nodes)
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# Disable inhibit's post-transaction callback so that we only
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# affect the changesets specified by the user.
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del tr._postclosecallback['inhibitposttransaction']
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def _prettyprintnodes(ui, repo, nodes):
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"""Pretty print a list of nodes."""
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contexts = [repo[node] for node in nodes]
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showopts = {
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'template': '{rev}:{node} {if(bookmarks, "({bookmarks}) ")}'
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'{desc|firstline}\n'
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}
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displayer = cmdutil.show_changeset(ui, repo, showopts)
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for ctx in contexts:
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displayer.show(ctx)
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def _printframe(frameinfo):
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"""Return a human-readable string representation of a FrameInfo object."""
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path, line, fn = itemgetter(1, 2, 3)(frameinfo)
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return "[%s:%d] %s()" % (os.path.basename(path), line, fn)
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def _checkenabled(repo):
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"""Abort if inhibit is unavailable or disabled."""
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if inhibit is None:
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raise error.Abort(_("no inhibit extension detected"))
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if not inhibit._inhibitenabled(repo):
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raise error.Abort(_("inhibit extension is present but disabled"))
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