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# ui.py - user interface bits for mercurial
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#
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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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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from __future__ import absolute_import
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import collections
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import contextlib
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import errno
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import getpass
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import inspect
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import os
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import re
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import signal
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import socket
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import subprocess
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import sys
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import tempfile
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import traceback
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from .i18n import _
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from .node import hex
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from . import (
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color,
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config,
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configitems,
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encoding,
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error,
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formatter,
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progress,
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pycompat,
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rcutil,
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scmutil,
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util,
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)
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urlreq = util.urlreq
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# for use with str.translate(None, _keepalnum), to keep just alphanumerics
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_keepalnum = ''.join(c for c in map(pycompat.bytechr, range(256))
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if not c.isalnum())
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# The config knobs that will be altered (if unset) by ui.tweakdefaults.
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tweakrc = b"""
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[ui]
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# The rollback command is dangerous. As a rule, don't use it.
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rollback = False
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# Make `hg status` report copy information
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statuscopies = yes
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# Prefer curses UIs when available. Revert to plain-text with `text`.
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interface = curses
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[commands]
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# Make `hg status` emit cwd-relative paths by default.
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status.relative = yes
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# Refuse to perform an `hg update` that would cause a file content merge
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update.check = noconflict
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[diff]
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git = 1
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showfunc = 1
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"""
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samplehgrcs = {
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'user':
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b"""# example user config (see 'hg help config' for more info)
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[ui]
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# name and email, e.g.
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# username = Jane Doe <jdoe@example.com>
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username =
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# We recommend enabling tweakdefaults to get slight improvements to
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# the UI over time. Make sure to set HGPLAIN in the environment when
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# writing scripts!
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# tweakdefaults = True
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# uncomment to disable color in command output
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# (see 'hg help color' for details)
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# color = never
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# uncomment to disable command output pagination
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# (see 'hg help pager' for details)
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# paginate = never
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[extensions]
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# uncomment these lines to enable some popular extensions
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# (see 'hg help extensions' for more info)
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#
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# churn =
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""",
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'cloned':
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b"""# example repository config (see 'hg help config' for more info)
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[paths]
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default = %s
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# path aliases to other clones of this repo in URLs or filesystem paths
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# (see 'hg help config.paths' for more info)
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#
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# default:pushurl = ssh://jdoe@example.net/hg/jdoes-fork
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# my-fork = ssh://jdoe@example.net/hg/jdoes-fork
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# my-clone = /home/jdoe/jdoes-clone
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[ui]
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# name and email (local to this repository, optional), e.g.
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# username = Jane Doe <jdoe@example.com>
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""",
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'local':
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b"""# example repository config (see 'hg help config' for more info)
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[paths]
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# path aliases to other clones of this repo in URLs or filesystem paths
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# (see 'hg help config.paths' for more info)
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#
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# default = http://example.com/hg/example-repo
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# default:pushurl = ssh://jdoe@example.net/hg/jdoes-fork
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# my-fork = ssh://jdoe@example.net/hg/jdoes-fork
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# my-clone = /home/jdoe/jdoes-clone
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[ui]
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# name and email (local to this repository, optional), e.g.
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# username = Jane Doe <jdoe@example.com>
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""",
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'global':
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b"""# example system-wide hg config (see 'hg help config' for more info)
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[ui]
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# uncomment to disable color in command output
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# (see 'hg help color' for details)
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# color = never
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# uncomment to disable command output pagination
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# (see 'hg help pager' for details)
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# paginate = never
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[extensions]
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# uncomment these lines to enable some popular extensions
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# (see 'hg help extensions' for more info)
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#
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# blackbox =
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# churn =
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""",
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}
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def _maybestrurl(maybebytes):
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return util.rapply(pycompat.strurl, maybebytes)
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def _maybebytesurl(maybestr):
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return util.rapply(pycompat.bytesurl, maybestr)
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class httppasswordmgrdbproxy(object):
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"""Delays loading urllib2 until it's needed."""
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def __init__(self):
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self._mgr = None
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def _get_mgr(self):
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if self._mgr is None:
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self._mgr = urlreq.httppasswordmgrwithdefaultrealm()
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return self._mgr
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def add_password(self, realm, uris, user, passwd):
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return self._get_mgr().add_password(
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_maybestrurl(realm), _maybestrurl(uris),
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_maybestrurl(user), _maybestrurl(passwd))
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def find_user_password(self, realm, uri):
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mgr = self._get_mgr()
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return _maybebytesurl(mgr.find_user_password(_maybestrurl(realm),
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_maybestrurl(uri)))
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def _catchterm(*args):
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raise error.SignalInterrupt
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# unique object used to detect no default value has been provided when
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# retrieving configuration value.
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_unset = object()
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# _reqexithandlers: callbacks run at the end of a request
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_reqexithandlers = []
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class ui(object):
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def __init__(self, src=None):
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"""Create a fresh new ui object if no src given
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Use uimod.ui.load() to create a ui which knows global and user configs.
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In most cases, you should use ui.copy() to create a copy of an existing
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ui object.
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"""
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# _buffers: used for temporary capture of output
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self._buffers = []
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# 3-tuple describing how each buffer in the stack behaves.
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# Values are (capture stderr, capture subprocesses, apply labels).
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self._bufferstates = []
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# When a buffer is active, defines whether we are expanding labels.
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# This exists to prevent an extra list lookup.
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self._bufferapplylabels = None
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self.quiet = self.verbose = self.debugflag = self.tracebackflag = False
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self._reportuntrusted = True
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self._knownconfig = configitems.coreitems
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self._ocfg = config.config() # overlay
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self._tcfg = config.config() # trusted
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self._ucfg = config.config() # untrusted
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self._trustusers = set()
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self._trustgroups = set()
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self.callhooks = True
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# Insecure server connections requested.
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self.insecureconnections = False
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# Blocked time
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self.logblockedtimes = False
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# color mode: see mercurial/color.py for possible value
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self._colormode = None
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self._terminfoparams = {}
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self._styles = {}
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if src:
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self.fout = src.fout
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self.ferr = src.ferr
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self.fin = src.fin
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self.pageractive = src.pageractive
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self._disablepager = src._disablepager
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self._tweaked = src._tweaked
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self._tcfg = src._tcfg.copy()
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self._ucfg = src._ucfg.copy()
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self._ocfg = src._ocfg.copy()
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self._trustusers = src._trustusers.copy()
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self._trustgroups = src._trustgroups.copy()
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self.environ = src.environ
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self.callhooks = src.callhooks
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self.insecureconnections = src.insecureconnections
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self._colormode = src._colormode
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self._terminfoparams = src._terminfoparams.copy()
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self._styles = src._styles.copy()
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self.fixconfig()
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self.httppasswordmgrdb = src.httppasswordmgrdb
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self._blockedtimes = src._blockedtimes
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else:
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self.fout = util.stdout
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self.ferr = util.stderr
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self.fin = util.stdin
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self.pageractive = False
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self._disablepager = False
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self._tweaked = False
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# shared read-only environment
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self.environ = encoding.environ
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self.httppasswordmgrdb = httppasswordmgrdbproxy()
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self._blockedtimes = collections.defaultdict(int)
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allowed = self.configlist('experimental', 'exportableenviron')
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if '*' in allowed:
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self._exportableenviron = self.environ
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else:
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self._exportableenviron = {}
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for k in allowed:
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if k in self.environ:
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self._exportableenviron[k] = self.environ[k]
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@classmethod
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def load(cls):
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"""Create a ui and load global and user configs"""
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u = cls()
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# we always trust global config files and environment variables
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for t, f in rcutil.rccomponents():
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if t == 'path':
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u.readconfig(f, trust=True)
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elif t == 'items':
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sections = set()
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for section, name, value, source in f:
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# do not set u._ocfg
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# XXX clean this up once immutable config object is a thing
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u._tcfg.set(section, name, value, source)
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u._ucfg.set(section, name, value, source)
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sections.add(section)
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for section in sections:
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u.fixconfig(section=section)
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else:
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raise error.ProgrammingError('unknown rctype: %s' % t)
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u._maybetweakdefaults()
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return u
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def _maybetweakdefaults(self):
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if not self.configbool('ui', 'tweakdefaults'):
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return
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if self._tweaked or self.plain('tweakdefaults'):
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return
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# Note: it is SUPER IMPORTANT that you set self._tweaked to
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# True *before* any calls to setconfig(), otherwise you'll get
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# infinite recursion between setconfig and this method.
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#
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# TODO: We should extract an inner method in setconfig() to
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# avoid this weirdness.
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self._tweaked = True
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tmpcfg = config.config()
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tmpcfg.parse('<tweakdefaults>', tweakrc)
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for section in tmpcfg:
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for name, value in tmpcfg.items(section):
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if not self.hasconfig(section, name):
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self.setconfig(section, name, value, "<tweakdefaults>")
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def copy(self):
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return self.__class__(self)
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def resetstate(self):
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"""Clear internal state that shouldn't persist across commands"""
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if self._progbar:
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self._progbar.resetstate() # reset last-print time of progress bar
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self.httppasswordmgrdb = httppasswordmgrdbproxy()
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@contextlib.contextmanager
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def timeblockedsection(self, key):
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# this is open-coded below - search for timeblockedsection to find them
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starttime = util.timer()
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try:
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yield
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finally:
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self._blockedtimes[key + '_blocked'] += \
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(util.timer() - starttime) * 1000
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def formatter(self, topic, opts):
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return formatter.formatter(self, self, topic, opts)
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def _trusted(self, fp, f):
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st = util.fstat(fp)
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if util.isowner(st):
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return True
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tusers, tgroups = self._trustusers, self._trustgroups
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if '*' in tusers or '*' in tgroups:
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return True
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user = util.username(st.st_uid)
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group = util.groupname(st.st_gid)
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if user in tusers or group in tgroups or user == util.username():
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return True
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if self._reportuntrusted:
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self.warn(_('not trusting file %s from untrusted '
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'user %s, group %s\n') % (f, user, group))
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return False
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def readconfig(self, filename, root=None, trust=False,
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sections=None, remap=None):
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try:
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fp = open(filename, u'rb')
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except IOError:
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if not sections: # ignore unless we were looking for something
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return
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raise
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cfg = config.config()
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trusted = sections or trust or self._trusted(fp, filename)
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try:
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cfg.read(filename, fp, sections=sections, remap=remap)
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fp.close()
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except error.ConfigError as inst:
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if trusted:
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raise
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self.warn(_("ignored: %s\n") % str(inst))
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if self.plain():
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for k in ('debug', 'fallbackencoding', 'quiet', 'slash',
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'logtemplate', 'statuscopies', 'style',
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'traceback', 'verbose'):
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if k in cfg['ui']:
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del cfg['ui'][k]
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for k, v in cfg.items('defaults'):
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del cfg['defaults'][k]
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for k, v in cfg.items('commands'):
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del cfg['commands'][k]
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# Don't remove aliases from the configuration if in the exceptionlist
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if self.plain('alias'):
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for k, v in cfg.items('alias'):
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del cfg['alias'][k]
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if self.plain('revsetalias'):
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for k, v in cfg.items('revsetalias'):
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del cfg['revsetalias'][k]
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if self.plain('templatealias'):
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for k, v in cfg.items('templatealias'):
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del cfg['templatealias'][k]
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if trusted:
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self._tcfg.update(cfg)
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self._tcfg.update(self._ocfg)
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self._ucfg.update(cfg)
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self._ucfg.update(self._ocfg)
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if root is None:
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root = os.path.expanduser('~')
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self.fixconfig(root=root)
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def fixconfig(self, root=None, section=None):
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if section in (None, 'paths'):
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# expand vars and ~
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# translate paths relative to root (or home) into absolute paths
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root = root or pycompat.getcwd()
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for c in self._tcfg, self._ucfg, self._ocfg:
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for n, p in c.items('paths'):
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# Ignore sub-options.
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if ':' in n:
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continue
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if not p:
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continue
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if '%%' in p:
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s = self.configsource('paths', n) or 'none'
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self.warn(_("(deprecated '%%' in path %s=%s from %s)\n")
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% (n, p, s))
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p = p.replace('%%', '%')
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p = util.expandpath(p)
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if not util.hasscheme(p) and not os.path.isabs(p):
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p = os.path.normpath(os.path.join(root, p))
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c.set("paths", n, p)
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if section in (None, 'ui'):
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# update ui options
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self.debugflag = self.configbool('ui', 'debug')
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self.verbose = self.debugflag or self.configbool('ui', 'verbose')
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self.quiet = not self.debugflag and self.configbool('ui', 'quiet')
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if self.verbose and self.quiet:
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self.quiet = self.verbose = False
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self._reportuntrusted = self.debugflag or self.configbool("ui",
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"report_untrusted")
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self.tracebackflag = self.configbool('ui', 'traceback')
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self.logblockedtimes = self.configbool('ui', 'logblockedtimes')
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if section in (None, 'trusted'):
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# update trust information
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self._trustusers.update(self.configlist('trusted', 'users'))
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self._trustgroups.update(self.configlist('trusted', 'groups'))
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def backupconfig(self, section, item):
|
|
|
return (self._ocfg.backup(section, item),
|
|
|
self._tcfg.backup(section, item),
|
|
|
self._ucfg.backup(section, item),)
|
|
|
def restoreconfig(self, data):
|
|
|
self._ocfg.restore(data[0])
|
|
|
self._tcfg.restore(data[1])
|
|
|
self._ucfg.restore(data[2])
|
|
|
|
|
|
def setconfig(self, section, name, value, source=''):
|
|
|
for cfg in (self._ocfg, self._tcfg, self._ucfg):
|
|
|
cfg.set(section, name, value, source)
|
|
|
self.fixconfig(section=section)
|
|
|
self._maybetweakdefaults()
|
|
|
|
|
|
def _data(self, untrusted):
|
|
|
return untrusted and self._ucfg or self._tcfg
|
|
|
|
|
|
def configsource(self, section, name, untrusted=False):
|
|
|
return self._data(untrusted).source(section, name)
|
|
|
|
|
|
def config(self, section, name, default=_unset, untrusted=False):
|
|
|
"""return the plain string version of a config"""
|
|
|
value = self._config(section, name, default=default,
|
|
|
untrusted=untrusted)
|
|
|
if value is _unset:
|
|
|
return None
|
|
|
return value
|
|
|
|
|
|
def _config(self, section, name, default=_unset, untrusted=False):
|
|
|
value = itemdefault = default
|
|
|
item = self._knownconfig.get(section, {}).get(name)
|
|
|
alternates = [(section, name)]
|
|
|
|
|
|
if item is not None:
|
|
|
alternates.extend(item.alias)
|
|
|
if callable(item.default):
|
|
|
itemdefault = item.default()
|
|
|
else:
|
|
|
itemdefault = item.default
|
|
|
else:
|
|
|
msg = ("accessing unregistered config item: '%s.%s'")
|
|
|
msg %= (section, name)
|
|
|
self.develwarn(msg, 2, 'warn-config-unknown')
|
|
|
|
|
|
if default is _unset:
|
|
|
if item is None:
|
|
|
value = default
|
|
|
elif item.default is configitems.dynamicdefault:
|
|
|
value = None
|
|
|
msg = "config item requires an explicit default value: '%s.%s'"
|
|
|
msg %= (section, name)
|
|
|
self.develwarn(msg, 2, 'warn-config-default')
|
|
|
else:
|
|
|
value = itemdefault
|
|
|
elif (item is not None
|
|
|
and item.default is not configitems.dynamicdefault
|
|
|
and default != itemdefault):
|
|
|
msg = ("specifying a mismatched default value for a registered "
|
|
|
"config item: '%s.%s' '%s'")
|
|
|
msg %= (section, name, default)
|
|
|
self.develwarn(msg, 2, 'warn-config-default')
|
|
|
|
|
|
for s, n in alternates:
|
|
|
candidate = self._data(untrusted).get(s, n, None)
|
|
|
if candidate is not None:
|
|
|
value = candidate
|
|
|
section = s
|
|
|
name = n
|
|
|
break
|
|
|
|
|
|
if self.debugflag and not untrusted and self._reportuntrusted:
|
|
|
for s, n in alternates:
|
|
|
uvalue = self._ucfg.get(s, n)
|
|
|
if uvalue is not None and uvalue != value:
|
|
|
self.debug("ignoring untrusted configuration option "
|
|
|
"%s.%s = %s\n" % (s, n, uvalue))
|
|
|
return value
|
|
|
|
|
|
def configsuboptions(self, section, name, default=_unset, untrusted=False):
|
|
|
"""Get a config option and all sub-options.
|
|
|
|
|
|
Some config options have sub-options that are declared with the
|
|
|
format "key:opt = value". This method is used to return the main
|
|
|
option and all its declared sub-options.
|
|
|
|
|
|
Returns a 2-tuple of ``(option, sub-options)``, where `sub-options``
|
|
|
is a dict of defined sub-options where keys and values are strings.
|
|
|
"""
|
|
|
main = self.config(section, name, default, untrusted=untrusted)
|
|
|
data = self._data(untrusted)
|
|
|
sub = {}
|
|
|
prefix = '%s:' % name
|
|
|
for k, v in data.items(section):
|
|
|
if k.startswith(prefix):
|
|
|
sub[k[len(prefix):]] = v
|
|
|
|
|
|
if self.debugflag and not untrusted and self._reportuntrusted:
|
|
|
for k, v in sub.items():
|
|
|
uvalue = self._ucfg.get(section, '%s:%s' % (name, k))
|
|
|
if uvalue is not None and uvalue != v:
|
|
|
self.debug('ignoring untrusted configuration option '
|
|
|
'%s:%s.%s = %s\n' % (section, name, k, uvalue))
|
|
|
|
|
|
return main, sub
|
|
|
|
|
|
def configpath(self, section, name, default=_unset, untrusted=False):
|
|
|
'get a path config item, expanded relative to repo root or config file'
|
|
|
v = self.config(section, name, default, untrusted)
|
|
|
if v is None:
|
|
|
return None
|
|
|
if not os.path.isabs(v) or "://" not in v:
|
|
|
src = self.configsource(section, name, untrusted)
|
|
|
if ':' in src:
|
|
|
base = os.path.dirname(src.rsplit(':')[0])
|
|
|
v = os.path.join(base, os.path.expanduser(v))
|
|
|
return v
|
|
|
|
|
|
def configbool(self, section, name, default=_unset, untrusted=False):
|
|
|
"""parse a configuration element as a boolean
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'true', b'yes')
|
|
|
>>> u.configbool(s, b'true')
|
|
|
True
|
|
|
>>> u.setconfig(s, b'false', b'no')
|
|
|
>>> u.configbool(s, b'false')
|
|
|
False
|
|
|
>>> u.configbool(s, b'unknown')
|
|
|
False
|
|
|
>>> u.configbool(s, b'unknown', True)
|
|
|
True
|
|
|
>>> u.setconfig(s, b'invalid', b'somevalue')
|
|
|
>>> u.configbool(s, b'invalid')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ConfigError: foo.invalid is not a boolean ('somevalue')
|
|
|
"""
|
|
|
|
|
|
v = self._config(section, name, default, untrusted=untrusted)
|
|
|
if v is None:
|
|
|
return v
|
|
|
if v is _unset:
|
|
|
if default is _unset:
|
|
|
return False
|
|
|
return default
|
|
|
if isinstance(v, bool):
|
|
|
return v
|
|
|
b = util.parsebool(v)
|
|
|
if b is None:
|
|
|
raise error.ConfigError(_("%s.%s is not a boolean ('%s')")
|
|
|
% (section, name, v))
|
|
|
return b
|
|
|
|
|
|
def configwith(self, convert, section, name, default=_unset,
|
|
|
desc=None, untrusted=False):
|
|
|
"""parse a configuration element with a conversion function
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'float1', b'42')
|
|
|
>>> u.configwith(float, s, b'float1')
|
|
|
42.0
|
|
|
>>> u.setconfig(s, b'float2', b'-4.25')
|
|
|
>>> u.configwith(float, s, b'float2')
|
|
|
-4.25
|
|
|
>>> u.configwith(float, s, b'unknown', 7)
|
|
|
7.0
|
|
|
>>> u.setconfig(s, b'invalid', b'somevalue')
|
|
|
>>> u.configwith(float, s, b'invalid')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ConfigError: foo.invalid is not a valid float ('somevalue')
|
|
|
>>> u.configwith(float, s, b'invalid', desc=b'womble')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ConfigError: foo.invalid is not a valid womble ('somevalue')
|
|
|
"""
|
|
|
|
|
|
v = self.config(section, name, default, untrusted)
|
|
|
if v is None:
|
|
|
return v # do not attempt to convert None
|
|
|
try:
|
|
|
return convert(v)
|
|
|
except (ValueError, error.ParseError):
|
|
|
if desc is None:
|
|
|
desc = pycompat.sysbytes(convert.__name__)
|
|
|
raise error.ConfigError(_("%s.%s is not a valid %s ('%s')")
|
|
|
% (section, name, desc, v))
|
|
|
|
|
|
def configint(self, section, name, default=_unset, untrusted=False):
|
|
|
"""parse a configuration element as an integer
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'int1', b'42')
|
|
|
>>> u.configint(s, b'int1')
|
|
|
42
|
|
|
>>> u.setconfig(s, b'int2', b'-42')
|
|
|
>>> u.configint(s, b'int2')
|
|
|
-42
|
|
|
>>> u.configint(s, b'unknown', 7)
|
|
|
7
|
|
|
>>> u.setconfig(s, b'invalid', b'somevalue')
|
|
|
>>> u.configint(s, b'invalid')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ConfigError: foo.invalid is not a valid integer ('somevalue')
|
|
|
"""
|
|
|
|
|
|
return self.configwith(int, section, name, default, 'integer',
|
|
|
untrusted)
|
|
|
|
|
|
def configbytes(self, section, name, default=_unset, untrusted=False):
|
|
|
"""parse a configuration element as a quantity in bytes
|
|
|
|
|
|
Units can be specified as b (bytes), k or kb (kilobytes), m or
|
|
|
mb (megabytes), g or gb (gigabytes).
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'val1', b'42')
|
|
|
>>> u.configbytes(s, b'val1')
|
|
|
42
|
|
|
>>> u.setconfig(s, b'val2', b'42.5 kb')
|
|
|
>>> u.configbytes(s, b'val2')
|
|
|
43520
|
|
|
>>> u.configbytes(s, b'unknown', b'7 MB')
|
|
|
7340032
|
|
|
>>> u.setconfig(s, b'invalid', b'somevalue')
|
|
|
>>> u.configbytes(s, b'invalid')
|
|
|
Traceback (most recent call last):
|
|
|
...
|
|
|
ConfigError: foo.invalid is not a byte quantity ('somevalue')
|
|
|
"""
|
|
|
|
|
|
value = self._config(section, name, default, untrusted)
|
|
|
if value is _unset:
|
|
|
if default is _unset:
|
|
|
default = 0
|
|
|
value = default
|
|
|
if not isinstance(value, bytes):
|
|
|
return value
|
|
|
try:
|
|
|
return util.sizetoint(value)
|
|
|
except error.ParseError:
|
|
|
raise error.ConfigError(_("%s.%s is not a byte quantity ('%s')")
|
|
|
% (section, name, value))
|
|
|
|
|
|
def configlist(self, section, name, default=_unset, untrusted=False):
|
|
|
"""parse a configuration element as a list of comma/space separated
|
|
|
strings
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'list1', b'this,is "a small" ,test')
|
|
|
>>> u.configlist(s, b'list1')
|
|
|
['this', 'is', 'a small', 'test']
|
|
|
>>> u.setconfig(s, b'list2', b'this, is "a small" , test ')
|
|
|
>>> u.configlist(s, b'list2')
|
|
|
['this', 'is', 'a small', 'test']
|
|
|
"""
|
|
|
# default is not always a list
|
|
|
v = self.configwith(config.parselist, section, name, default,
|
|
|
'list', untrusted)
|
|
|
if isinstance(v, bytes):
|
|
|
return config.parselist(v)
|
|
|
elif v is None:
|
|
|
return []
|
|
|
return v
|
|
|
|
|
|
def configdate(self, section, name, default=_unset, untrusted=False):
|
|
|
"""parse a configuration element as a tuple of ints
|
|
|
|
|
|
>>> u = ui(); s = b'foo'
|
|
|
>>> u.setconfig(s, b'date', b'0 0')
|
|
|
>>> u.configdate(s, b'date')
|
|
|
(0, 0)
|
|
|
"""
|
|
|
if self.config(section, name, default, untrusted):
|
|
|
return self.configwith(util.parsedate, section, name, default,
|
|
|
'date', untrusted)
|
|
|
if default is _unset:
|
|
|
return None
|
|
|
return default
|
|
|
|
|
|
def hasconfig(self, section, name, untrusted=False):
|
|
|
return self._data(untrusted).hasitem(section, name)
|
|
|
|
|
|
def has_section(self, section, untrusted=False):
|
|
|
'''tell whether section exists in config.'''
|
|
|
return section in self._data(untrusted)
|
|
|
|
|
|
def configitems(self, section, untrusted=False, ignoresub=False):
|
|
|
items = self._data(untrusted).items(section)
|
|
|
if ignoresub:
|
|
|
newitems = {}
|
|
|
for k, v in items:
|
|
|
if ':' not in k:
|
|
|
newitems[k] = v
|
|
|
items = newitems.items()
|
|
|
if self.debugflag and not untrusted and self._reportuntrusted:
|
|
|
for k, v in self._ucfg.items(section):
|
|
|
if self._tcfg.get(section, k) != v:
|
|
|
self.debug("ignoring untrusted configuration option "
|
|
|
"%s.%s = %s\n" % (section, k, v))
|
|
|
return items
|
|
|
|
|
|
def walkconfig(self, untrusted=False):
|
|
|
cfg = self._data(untrusted)
|
|
|
for section in cfg.sections():
|
|
|
for name, value in self.configitems(section, untrusted):
|
|
|
yield section, name, value
|
|
|
|
|
|
def plain(self, feature=None):
|
|
|
'''is plain mode active?
|
|
|
|
|
|
Plain mode means that all configuration variables which affect
|
|
|
the behavior and output of Mercurial should be
|
|
|
ignored. Additionally, the output should be stable,
|
|
|
reproducible and suitable for use in scripts or applications.
|
|
|
|
|
|
The only way to trigger plain mode is by setting either the
|
|
|
`HGPLAIN' or `HGPLAINEXCEPT' environment variables.
|
|
|
|
|
|
The return value can either be
|
|
|
- False if HGPLAIN is not set, or feature is in HGPLAINEXCEPT
|
|
|
- False if feature is disabled by default and not included in HGPLAIN
|
|
|
- True otherwise
|
|
|
'''
|
|
|
if ('HGPLAIN' not in encoding.environ and
|
|
|
'HGPLAINEXCEPT' not in encoding.environ):
|
|
|
return False
|
|
|
exceptions = encoding.environ.get('HGPLAINEXCEPT',
|
|
|
'').strip().split(',')
|
|
|
# TODO: add support for HGPLAIN=+feature,-feature syntax
|
|
|
if '+strictflags' not in encoding.environ.get('HGPLAIN', '').split(','):
|
|
|
exceptions.append('strictflags')
|
|
|
if feature and exceptions:
|
|
|
return feature not in exceptions
|
|
|
return True
|
|
|
|
|
|
def username(self, acceptempty=False):
|
|
|
"""Return default username to be used in commits.
|
|
|
|
|
|
Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL
|
|
|
and stop searching if one of these is set.
|
|
|
If not found and acceptempty is True, returns None.
|
|
|
If not found and ui.askusername is True, ask the user, else use
|
|
|
($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname".
|
|
|
If no username could be found, raise an Abort error.
|
|
|
"""
|
|
|
user = encoding.environ.get("HGUSER")
|
|
|
if user is None:
|
|
|
user = self.config("ui", "username")
|
|
|
if user is not None:
|
|
|
user = os.path.expandvars(user)
|
|
|
if user is None:
|
|
|
user = encoding.environ.get("EMAIL")
|
|
|
if user is None and acceptempty:
|
|
|
return user
|
|
|
if user is None and self.configbool("ui", "askusername"):
|
|
|
user = self.prompt(_("enter a commit username:"), default=None)
|
|
|
if user is None and not self.interactive():
|
|
|
try:
|
|
|
user = '%s@%s' % (util.getuser(), socket.getfqdn())
|
|
|
self.warn(_("no username found, using '%s' instead\n") % user)
|
|
|
except KeyError:
|
|
|
pass
|
|
|
if not user:
|
|
|
raise error.Abort(_('no username supplied'),
|
|
|
hint=_("use 'hg config --edit' "
|
|
|
'to set your username'))
|
|
|
if "\n" in user:
|
|
|
raise error.Abort(_("username %s contains a newline\n")
|
|
|
% repr(user))
|
|
|
return user
|
|
|
|
|
|
def shortuser(self, user):
|
|
|
"""Return a short representation of a user name or email address."""
|
|
|
if not self.verbose:
|
|
|
user = util.shortuser(user)
|
|
|
return user
|
|
|
|
|
|
def expandpath(self, loc, default=None):
|
|
|
"""Return repository location relative to cwd or from [paths]"""
|
|
|
try:
|
|
|
p = self.paths.getpath(loc)
|
|
|
if p:
|
|
|
return p.rawloc
|
|
|
except error.RepoError:
|
|
|
pass
|
|
|
|
|
|
if default:
|
|
|
try:
|
|
|
p = self.paths.getpath(default)
|
|
|
if p:
|
|
|
return p.rawloc
|
|
|
except error.RepoError:
|
|
|
pass
|
|
|
|
|
|
return loc
|
|
|
|
|
|
@util.propertycache
|
|
|
def paths(self):
|
|
|
return paths(self)
|
|
|
|
|
|
def pushbuffer(self, error=False, subproc=False, labeled=False):
|
|
|
"""install a buffer to capture standard output of the ui object
|
|
|
|
|
|
If error is True, the error output will be captured too.
|
|
|
|
|
|
If subproc is True, output from subprocesses (typically hooks) will be
|
|
|
captured too.
|
|
|
|
|
|
If labeled is True, any labels associated with buffered
|
|
|
output will be handled. By default, this has no effect
|
|
|
on the output returned, but extensions and GUI tools may
|
|
|
handle this argument and returned styled output. If output
|
|
|
is being buffered so it can be captured and parsed or
|
|
|
processed, labeled should not be set to True.
|
|
|
"""
|
|
|
self._buffers.append([])
|
|
|
self._bufferstates.append((error, subproc, labeled))
|
|
|
self._bufferapplylabels = labeled
|
|
|
|
|
|
def popbuffer(self):
|
|
|
'''pop the last buffer and return the buffered output'''
|
|
|
self._bufferstates.pop()
|
|
|
if self._bufferstates:
|
|
|
self._bufferapplylabels = self._bufferstates[-1][2]
|
|
|
else:
|
|
|
self._bufferapplylabels = None
|
|
|
|
|
|
return "".join(self._buffers.pop())
|
|
|
|
|
|
def canwritewithoutlabels(self):
|
|
|
'''check if write skips the label'''
|
|
|
if self._buffers and not self._bufferapplylabels:
|
|
|
return True
|
|
|
return self._colormode is None
|
|
|
|
|
|
def canbatchlabeledwrites(self):
|
|
|
'''check if write calls with labels are batchable'''
|
|
|
# Windows color printing is special, see ``write``.
|
|
|
return self._colormode != 'win32'
|
|
|
|
|
|
def write(self, *args, **opts):
|
|
|
'''write args to output
|
|
|
|
|
|
By default, this method simply writes to the buffer or stdout.
|
|
|
Color mode can be set on the UI class to have the output decorated
|
|
|
with color modifier before being written to stdout.
|
|
|
|
|
|
The color used is controlled by an optional keyword argument, "label".
|
|
|
This should be a string containing label names separated by space.
|
|
|
Label names take the form of "topic.type". For example, ui.debug()
|
|
|
issues a label of "ui.debug".
|
|
|
|
|
|
When labeling output for a specific command, a label of
|
|
|
"cmdname.type" is recommended. For example, status issues
|
|
|
a label of "status.modified" for modified files.
|
|
|
'''
|
|
|
if self._buffers:
|
|
|
if self._bufferapplylabels:
|
|
|
label = opts.get(r'label', '')
|
|
|
self._buffers[-1].extend(self.label(a, label) for a in args)
|
|
|
else:
|
|
|
self._buffers[-1].extend(args)
|
|
|
else:
|
|
|
self._writenobuf(*args, **opts)
|
|
|
|
|
|
def _writenobuf(self, *args, **opts):
|
|
|
if self._colormode == 'win32':
|
|
|
# windows color printing is its own can of crab, defer to
|
|
|
# the color module and that is it.
|
|
|
color.win32print(self, self._write, *args, **opts)
|
|
|
else:
|
|
|
msgs = args
|
|
|
if self._colormode is not None:
|
|
|
label = opts.get(r'label', '')
|
|
|
msgs = [self.label(a, label) for a in args]
|
|
|
self._write(*msgs, **opts)
|
|
|
|
|
|
def _write(self, *msgs, **opts):
|
|
|
self._progclear()
|
|
|
# opencode timeblockedsection because this is a critical path
|
|
|
starttime = util.timer()
|
|
|
try:
|
|
|
self.fout.write(''.join(msgs))
|
|
|
except IOError as err:
|
|
|
raise error.StdioError(err)
|
|
|
finally:
|
|
|
self._blockedtimes['stdio_blocked'] += \
|
|
|
(util.timer() - starttime) * 1000
|
|
|
|
|
|
def write_err(self, *args, **opts):
|
|
|
self._progclear()
|
|
|
if self._bufferstates and self._bufferstates[-1][0]:
|
|
|
self.write(*args, **opts)
|
|
|
elif self._colormode == 'win32':
|
|
|
# windows color printing is its own can of crab, defer to
|
|
|
# the color module and that is it.
|
|
|
color.win32print(self, self._write_err, *args, **opts)
|
|
|
else:
|
|
|
msgs = args
|
|
|
if self._colormode is not None:
|
|
|
label = opts.get(r'label', '')
|
|
|
msgs = [self.label(a, label) for a in args]
|
|
|
self._write_err(*msgs, **opts)
|
|
|
|
|
|
def _write_err(self, *msgs, **opts):
|
|
|
try:
|
|
|
with self.timeblockedsection('stdio'):
|
|
|
if not getattr(self.fout, 'closed', False):
|
|
|
self.fout.flush()
|
|
|
for a in msgs:
|
|
|
self.ferr.write(a)
|
|
|
# stderr may be buffered under win32 when redirected to files,
|
|
|
# including stdout.
|
|
|
if not getattr(self.ferr, 'closed', False):
|
|
|
self.ferr.flush()
|
|
|
except IOError as inst:
|
|
|
if inst.errno not in (errno.EPIPE, errno.EIO, errno.EBADF):
|
|
|
raise error.StdioError(inst)
|
|
|
|
|
|
def flush(self):
|
|
|
# opencode timeblockedsection because this is a critical path
|
|
|
starttime = util.timer()
|
|
|
try:
|
|
|
try:
|
|
|
self.fout.flush()
|
|
|
except IOError as err:
|
|
|
if err.errno not in (errno.EPIPE, errno.EIO, errno.EBADF):
|
|
|
raise error.StdioError(err)
|
|
|
finally:
|
|
|
try:
|
|
|
self.ferr.flush()
|
|
|
except IOError as err:
|
|
|
if err.errno not in (errno.EPIPE, errno.EIO, errno.EBADF):
|
|
|
raise error.StdioError(err)
|
|
|
finally:
|
|
|
self._blockedtimes['stdio_blocked'] += \
|
|
|
(util.timer() - starttime) * 1000
|
|
|
|
|
|
def _isatty(self, fh):
|
|
|
if self.configbool('ui', 'nontty'):
|
|
|
return False
|
|
|
return util.isatty(fh)
|
|
|
|
|
|
def disablepager(self):
|
|
|
self._disablepager = True
|
|
|
|
|
|
def pager(self, command):
|
|
|
"""Start a pager for subsequent command output.
|
|
|
|
|
|
Commands which produce a long stream of output should call
|
|
|
this function to activate the user's preferred pagination
|
|
|
mechanism (which may be no pager). Calling this function
|
|
|
precludes any future use of interactive functionality, such as
|
|
|
prompting the user or activating curses.
|
|
|
|
|
|
Args:
|
|
|
command: The full, non-aliased name of the command. That is, "log"
|
|
|
not "history, "summary" not "summ", etc.
|
|
|
"""
|
|
|
if (self._disablepager
|
|
|
or self.pageractive):
|
|
|
# how pager should do is already determined
|
|
|
return
|
|
|
|
|
|
if not command.startswith('internal-always-') and (
|
|
|
# explicit --pager=on (= 'internal-always-' prefix) should
|
|
|
# take precedence over disabling factors below
|
|
|
command in self.configlist('pager', 'ignore')
|
|
|
or not self.configbool('ui', 'paginate')
|
|
|
or not self.configbool('pager', 'attend-' + command, True)
|
|
|
# TODO: if we want to allow HGPLAINEXCEPT=pager,
|
|
|
# formatted() will need some adjustment.
|
|
|
or not self.formatted()
|
|
|
or self.plain()
|
|
|
or self._buffers
|
|
|
# TODO: expose debugger-enabled on the UI object
|
|
|
or '--debugger' in pycompat.sysargv):
|
|
|
# We only want to paginate if the ui appears to be
|
|
|
# interactive, the user didn't say HGPLAIN or
|
|
|
# HGPLAINEXCEPT=pager, and the user didn't specify --debug.
|
|
|
return
|
|
|
|
|
|
pagercmd = self.config('pager', 'pager', rcutil.fallbackpager)
|
|
|
if not pagercmd:
|
|
|
return
|
|
|
|
|
|
pagerenv = {}
|
|
|
for name, value in rcutil.defaultpagerenv().items():
|
|
|
if name not in encoding.environ:
|
|
|
pagerenv[name] = value
|
|
|
|
|
|
self.debug('starting pager for command %r\n' % command)
|
|
|
self.flush()
|
|
|
|
|
|
wasformatted = self.formatted()
|
|
|
if util.safehasattr(signal, "SIGPIPE"):
|
|
|
signal.signal(signal.SIGPIPE, _catchterm)
|
|
|
if self._runpager(pagercmd, pagerenv):
|
|
|
self.pageractive = True
|
|
|
# Preserve the formatted-ness of the UI. This is important
|
|
|
# because we mess with stdout, which might confuse
|
|
|
# auto-detection of things being formatted.
|
|
|
self.setconfig('ui', 'formatted', wasformatted, 'pager')
|
|
|
self.setconfig('ui', 'interactive', False, 'pager')
|
|
|
|
|
|
# If pagermode differs from color.mode, reconfigure color now that
|
|
|
# pageractive is set.
|
|
|
cm = self._colormode
|
|
|
if cm != self.config('color', 'pagermode', cm):
|
|
|
color.setup(self)
|
|
|
else:
|
|
|
# If the pager can't be spawned in dispatch when --pager=on is
|
|
|
# given, don't try again when the command runs, to avoid a duplicate
|
|
|
# warning about a missing pager command.
|
|
|
self.disablepager()
|
|
|
|
|
|
def _runpager(self, command, env=None):
|
|
|
"""Actually start the pager and set up file descriptors.
|
|
|
|
|
|
This is separate in part so that extensions (like chg) can
|
|
|
override how a pager is invoked.
|
|
|
"""
|
|
|
if command == 'cat':
|
|
|
# Save ourselves some work.
|
|
|
return False
|
|
|
# If the command doesn't contain any of these characters, we
|
|
|
# assume it's a binary and exec it directly. This means for
|
|
|
# simple pager command configurations, we can degrade
|
|
|
# gracefully and tell the user about their broken pager.
|
|
|
shell = any(c in command for c in "|&;<>()$`\\\"' \t\n*?[#~=%")
|
|
|
|
|
|
if pycompat.iswindows and not shell:
|
|
|
# Window's built-in `more` cannot be invoked with shell=False, but
|
|
|
# its `more.com` can. Hide this implementation detail from the
|
|
|
# user so we can also get sane bad PAGER behavior. MSYS has
|
|
|
# `more.exe`, so do a cmd.exe style resolution of the executable to
|
|
|
# determine which one to use.
|
|
|
fullcmd = util.findexe(command)
|
|
|
if not fullcmd:
|
|
|
self.warn(_("missing pager command '%s', skipping pager\n")
|
|
|
% command)
|
|
|
return False
|
|
|
|
|
|
command = fullcmd
|
|
|
|
|
|
try:
|
|
|
pager = subprocess.Popen(
|
|
|
command, shell=shell, bufsize=-1,
|
|
|
close_fds=util.closefds, stdin=subprocess.PIPE,
|
|
|
stdout=util.stdout, stderr=util.stderr,
|
|
|
env=util.shellenviron(env))
|
|
|
except OSError as e:
|
|
|
if e.errno == errno.ENOENT and not shell:
|
|
|
self.warn(_("missing pager command '%s', skipping pager\n")
|
|
|
% command)
|
|
|
return False
|
|
|
raise
|
|
|
|
|
|
# back up original file descriptors
|
|
|
stdoutfd = os.dup(util.stdout.fileno())
|
|
|
stderrfd = os.dup(util.stderr.fileno())
|
|
|
|
|
|
os.dup2(pager.stdin.fileno(), util.stdout.fileno())
|
|
|
if self._isatty(util.stderr):
|
|
|
os.dup2(pager.stdin.fileno(), util.stderr.fileno())
|
|
|
|
|
|
@self.atexit
|
|
|
def killpager():
|
|
|
if util.safehasattr(signal, "SIGINT"):
|
|
|
signal.signal(signal.SIGINT, signal.SIG_IGN)
|
|
|
# restore original fds, closing pager.stdin copies in the process
|
|
|
os.dup2(stdoutfd, util.stdout.fileno())
|
|
|
os.dup2(stderrfd, util.stderr.fileno())
|
|
|
pager.stdin.close()
|
|
|
pager.wait()
|
|
|
|
|
|
return True
|
|
|
|
|
|
@property
|
|
|
def _exithandlers(self):
|
|
|
return _reqexithandlers
|
|
|
|
|
|
def atexit(self, func, *args, **kwargs):
|
|
|
'''register a function to run after dispatching a request
|
|
|
|
|
|
Handlers do not stay registered across request boundaries.'''
|
|
|
self._exithandlers.append((func, args, kwargs))
|
|
|
return func
|
|
|
|
|
|
def interface(self, feature):
|
|
|
"""what interface to use for interactive console features?
|
|
|
|
|
|
The interface is controlled by the value of `ui.interface` but also by
|
|
|
the value of feature-specific configuration. For example:
|
|
|
|
|
|
ui.interface.histedit = text
|
|
|
ui.interface.chunkselector = curses
|
|
|
|
|
|
Here the features are "histedit" and "chunkselector".
|
|
|
|
|
|
The configuration above means that the default interfaces for commands
|
|
|
is curses, the interface for histedit is text and the interface for
|
|
|
selecting chunk is crecord (the best curses interface available).
|
|
|
|
|
|
Consider the following example:
|
|
|
ui.interface = curses
|
|
|
ui.interface.histedit = text
|
|
|
|
|
|
Then histedit will use the text interface and chunkselector will use
|
|
|
the default curses interface (crecord at the moment).
|
|
|
"""
|
|
|
alldefaults = frozenset(["text", "curses"])
|
|
|
|
|
|
featureinterfaces = {
|
|
|
"chunkselector": [
|
|
|
"text",
|
|
|
"curses",
|
|
|
]
|
|
|
}
|
|
|
|
|
|
# Feature-specific interface
|
|
|
if feature not in featureinterfaces.keys():
|
|
|
# Programming error, not user error
|
|
|
raise ValueError("Unknown feature requested %s" % feature)
|
|
|
|
|
|
availableinterfaces = frozenset(featureinterfaces[feature])
|
|
|
if alldefaults > availableinterfaces:
|
|
|
# Programming error, not user error. We need a use case to
|
|
|
# define the right thing to do here.
|
|
|
raise ValueError(
|
|
|
"Feature %s does not handle all default interfaces" %
|
|
|
feature)
|
|
|
|
|
|
if self.plain():
|
|
|
return "text"
|
|
|
|
|
|
# Default interface for all the features
|
|
|
defaultinterface = "text"
|
|
|
i = self.config("ui", "interface")
|
|
|
if i in alldefaults:
|
|
|
defaultinterface = i
|
|
|
|
|
|
choseninterface = defaultinterface
|
|
|
f = self.config("ui", "interface.%s" % feature)
|
|
|
if f in availableinterfaces:
|
|
|
choseninterface = f
|
|
|
|
|
|
if i is not None and defaultinterface != i:
|
|
|
if f is not None:
|
|
|
self.warn(_("invalid value for ui.interface: %s\n") %
|
|
|
(i,))
|
|
|
else:
|
|
|
self.warn(_("invalid value for ui.interface: %s (using %s)\n") %
|
|
|
(i, choseninterface))
|
|
|
if f is not None and choseninterface != f:
|
|
|
self.warn(_("invalid value for ui.interface.%s: %s (using %s)\n") %
|
|
|
(feature, f, choseninterface))
|
|
|
|
|
|
return choseninterface
|
|
|
|
|
|
def interactive(self):
|
|
|
'''is interactive input allowed?
|
|
|
|
|
|
An interactive session is a session where input can be reasonably read
|
|
|
from `sys.stdin'. If this function returns false, any attempt to read
|
|
|
from stdin should fail with an error, unless a sensible default has been
|
|
|
specified.
|
|
|
|
|
|
Interactiveness is triggered by the value of the `ui.interactive'
|
|
|
configuration variable or - if it is unset - when `sys.stdin' points
|
|
|
to a terminal device.
|
|
|
|
|
|
This function refers to input only; for output, see `ui.formatted()'.
|
|
|
'''
|
|
|
i = self.configbool("ui", "interactive")
|
|
|
if i is None:
|
|
|
# some environments replace stdin without implementing isatty
|
|
|
# usually those are non-interactive
|
|
|
return self._isatty(self.fin)
|
|
|
|
|
|
return i
|
|
|
|
|
|
def termwidth(self):
|
|
|
'''how wide is the terminal in columns?
|
|
|
'''
|
|
|
if 'COLUMNS' in encoding.environ:
|
|
|
try:
|
|
|
return int(encoding.environ['COLUMNS'])
|
|
|
except ValueError:
|
|
|
pass
|
|
|
return scmutil.termsize(self)[0]
|
|
|
|
|
|
def formatted(self):
|
|
|
'''should formatted output be used?
|
|
|
|
|
|
It is often desirable to format the output to suite the output medium.
|
|
|
Examples of this are truncating long lines or colorizing messages.
|
|
|
However, this is not often not desirable when piping output into other
|
|
|
utilities, e.g. `grep'.
|
|
|
|
|
|
Formatted output is triggered by the value of the `ui.formatted'
|
|
|
configuration variable or - if it is unset - when `sys.stdout' points
|
|
|
to a terminal device. Please note that `ui.formatted' should be
|
|
|
considered an implementation detail; it is not intended for use outside
|
|
|
Mercurial or its extensions.
|
|
|
|
|
|
This function refers to output only; for input, see `ui.interactive()'.
|
|
|
This function always returns false when in plain mode, see `ui.plain()'.
|
|
|
'''
|
|
|
if self.plain():
|
|
|
return False
|
|
|
|
|
|
i = self.configbool("ui", "formatted")
|
|
|
if i is None:
|
|
|
# some environments replace stdout without implementing isatty
|
|
|
# usually those are non-interactive
|
|
|
return self._isatty(self.fout)
|
|
|
|
|
|
return i
|
|
|
|
|
|
def _readline(self):
|
|
|
if self._isatty(self.fin):
|
|
|
try:
|
|
|
# magically add command line editing support, where
|
|
|
# available
|
|
|
import readline
|
|
|
# force demandimport to really load the module
|
|
|
readline.read_history_file
|
|
|
# windows sometimes raises something other than ImportError
|
|
|
except Exception:
|
|
|
pass
|
|
|
|
|
|
# prompt ' ' must exist; otherwise readline may delete entire line
|
|
|
# - http://bugs.python.org/issue12833
|
|
|
with self.timeblockedsection('stdio'):
|
|
|
line = util.bytesinput(self.fin, self.fout, r' ')
|
|
|
|
|
|
# When stdin is in binary mode on Windows, it can cause
|
|
|
# raw_input() to emit an extra trailing carriage return
|
|
|
if pycompat.oslinesep == '\r\n' and line and line[-1] == '\r':
|
|
|
line = line[:-1]
|
|
|
return line
|
|
|
|
|
|
def prompt(self, msg, default="y"):
|
|
|
"""Prompt user with msg, read response.
|
|
|
If ui is not interactive, the default is returned.
|
|
|
"""
|
|
|
if not self.interactive():
|
|
|
self.write(msg, ' ', default or '', "\n")
|
|
|
return default
|
|
|
self._writenobuf(msg, label='ui.prompt')
|
|
|
self.flush()
|
|
|
try:
|
|
|
r = self._readline()
|
|
|
if not r:
|
|
|
r = default
|
|
|
if self.configbool('ui', 'promptecho'):
|
|
|
self.write(r, "\n")
|
|
|
return r
|
|
|
except EOFError:
|
|
|
raise error.ResponseExpected()
|
|
|
|
|
|
@staticmethod
|
|
|
def extractchoices(prompt):
|
|
|
"""Extract prompt message and list of choices from specified prompt.
|
|
|
|
|
|
This returns tuple "(message, choices)", and "choices" is the
|
|
|
list of tuple "(response character, text without &)".
|
|
|
|
|
|
>>> ui.extractchoices(b"awake? $$ &Yes $$ &No")
|
|
|
('awake? ', [('y', 'Yes'), ('n', 'No')])
|
|
|
>>> ui.extractchoices(b"line\\nbreak? $$ &Yes $$ &No")
|
|
|
('line\\nbreak? ', [('y', 'Yes'), ('n', 'No')])
|
|
|
>>> ui.extractchoices(b"want lots of $$money$$?$$Ye&s$$N&o")
|
|
|
('want lots of $$money$$?', [('s', 'Yes'), ('o', 'No')])
|
|
|
"""
|
|
|
|
|
|
# Sadly, the prompt string may have been built with a filename
|
|
|
# containing "$$" so let's try to find the first valid-looking
|
|
|
# prompt to start parsing. Sadly, we also can't rely on
|
|
|
# choices containing spaces, ASCII, or basically anything
|
|
|
# except an ampersand followed by a character.
|
|
|
m = re.match(br'(?s)(.+?)\$\$([^\$]*&[^ \$].*)', prompt)
|
|
|
msg = m.group(1)
|
|
|
choices = [p.strip(' ') for p in m.group(2).split('$$')]
|
|
|
def choicetuple(s):
|
|
|
ampidx = s.index('&')
|
|
|
return s[ampidx + 1:ampidx + 2].lower(), s.replace('&', '', 1)
|
|
|
return (msg, [choicetuple(s) for s in choices])
|
|
|
|
|
|
def promptchoice(self, prompt, default=0):
|
|
|
"""Prompt user with a message, read response, and ensure it matches
|
|
|
one of the provided choices. The prompt is formatted as follows:
|
|
|
|
|
|
"would you like fries with that (Yn)? $$ &Yes $$ &No"
|
|
|
|
|
|
The index of the choice is returned. Responses are case
|
|
|
insensitive. If ui is not interactive, the default is
|
|
|
returned.
|
|
|
"""
|
|
|
|
|
|
msg, choices = self.extractchoices(prompt)
|
|
|
resps = [r for r, t in choices]
|
|
|
while True:
|
|
|
r = self.prompt(msg, resps[default])
|
|
|
if r.lower() in resps:
|
|
|
return resps.index(r.lower())
|
|
|
self.write(_("unrecognized response\n"))
|
|
|
|
|
|
def getpass(self, prompt=None, default=None):
|
|
|
if not self.interactive():
|
|
|
return default
|
|
|
try:
|
|
|
self.write_err(self.label(prompt or _('password: '), 'ui.prompt'))
|
|
|
# disable getpass() only if explicitly specified. it's still valid
|
|
|
# to interact with tty even if fin is not a tty.
|
|
|
with self.timeblockedsection('stdio'):
|
|
|
if self.configbool('ui', 'nontty'):
|
|
|
l = self.fin.readline()
|
|
|
if not l:
|
|
|
raise EOFError
|
|
|
return l.rstrip('\n')
|
|
|
else:
|
|
|
return getpass.getpass('')
|
|
|
except EOFError:
|
|
|
raise error.ResponseExpected()
|
|
|
def status(self, *msg, **opts):
|
|
|
'''write status message to output (if ui.quiet is False)
|
|
|
|
|
|
This adds an output label of "ui.status".
|
|
|
'''
|
|
|
if not self.quiet:
|
|
|
opts[r'label'] = opts.get(r'label', '') + ' ui.status'
|
|
|
self.write(*msg, **opts)
|
|
|
def warn(self, *msg, **opts):
|
|
|
'''write warning message to output (stderr)
|
|
|
|
|
|
This adds an output label of "ui.warning".
|
|
|
'''
|
|
|
opts[r'label'] = opts.get(r'label', '') + ' ui.warning'
|
|
|
self.write_err(*msg, **opts)
|
|
|
def note(self, *msg, **opts):
|
|
|
'''write note to output (if ui.verbose is True)
|
|
|
|
|
|
This adds an output label of "ui.note".
|
|
|
'''
|
|
|
if self.verbose:
|
|
|
opts[r'label'] = opts.get(r'label', '') + ' ui.note'
|
|
|
self.write(*msg, **opts)
|
|
|
def debug(self, *msg, **opts):
|
|
|
'''write debug message to output (if ui.debugflag is True)
|
|
|
|
|
|
This adds an output label of "ui.debug".
|
|
|
'''
|
|
|
if self.debugflag:
|
|
|
opts[r'label'] = opts.get(r'label', '') + ' ui.debug'
|
|
|
self.write(*msg, **opts)
|
|
|
|
|
|
def edit(self, text, user, extra=None, editform=None, pending=None,
|
|
|
repopath=None, action=None):
|
|
|
if action is None:
|
|
|
self.develwarn('action is None but will soon be a required '
|
|
|
'parameter to ui.edit()')
|
|
|
extra_defaults = {
|
|
|
'prefix': 'editor',
|
|
|
'suffix': '.txt',
|
|
|
}
|
|
|
if extra is not None:
|
|
|
if extra.get('suffix') is not None:
|
|
|
self.develwarn('extra.suffix is not None but will soon be '
|
|
|
'ignored by ui.edit()')
|
|
|
extra_defaults.update(extra)
|
|
|
extra = extra_defaults
|
|
|
|
|
|
if action == 'diff':
|
|
|
suffix = '.diff'
|
|
|
elif action:
|
|
|
suffix = '.%s.hg.txt' % action
|
|
|
else:
|
|
|
suffix = extra['suffix']
|
|
|
|
|
|
rdir = None
|
|
|
if self.configbool('experimental', 'editortmpinhg'):
|
|
|
rdir = repopath
|
|
|
(fd, name) = tempfile.mkstemp(prefix='hg-' + extra['prefix'] + '-',
|
|
|
suffix=suffix,
|
|
|
dir=rdir)
|
|
|
try:
|
|
|
f = os.fdopen(fd, r'wb')
|
|
|
f.write(util.tonativeeol(text))
|
|
|
f.close()
|
|
|
|
|
|
environ = {'HGUSER': user}
|
|
|
if 'transplant_source' in extra:
|
|
|
environ.update({'HGREVISION': hex(extra['transplant_source'])})
|
|
|
for label in ('intermediate-source', 'source', 'rebase_source'):
|
|
|
if label in extra:
|
|
|
environ.update({'HGREVISION': extra[label]})
|
|
|
break
|
|
|
if editform:
|
|
|
environ.update({'HGEDITFORM': editform})
|
|
|
if pending:
|
|
|
environ.update({'HG_PENDING': pending})
|
|
|
|
|
|
editor = self.geteditor()
|
|
|
|
|
|
self.system("%s \"%s\"" % (editor, name),
|
|
|
environ=environ,
|
|
|
onerr=error.Abort, errprefix=_("edit failed"),
|
|
|
blockedtag='editor')
|
|
|
|
|
|
f = open(name, r'rb')
|
|
|
t = util.fromnativeeol(f.read())
|
|
|
f.close()
|
|
|
finally:
|
|
|
os.unlink(name)
|
|
|
|
|
|
return t
|
|
|
|
|
|
def system(self, cmd, environ=None, cwd=None, onerr=None, errprefix=None,
|
|
|
blockedtag=None):
|
|
|
'''execute shell command with appropriate output stream. command
|
|
|
output will be redirected if fout is not stdout.
|
|
|
|
|
|
if command fails and onerr is None, return status, else raise onerr
|
|
|
object as exception.
|
|
|
'''
|
|
|
if blockedtag is None:
|
|
|
# Long cmds tend to be because of an absolute path on cmd. Keep
|
|
|
# the tail end instead
|
|
|
cmdsuffix = cmd.translate(None, _keepalnum)[-85:]
|
|
|
blockedtag = 'unknown_system_' + cmdsuffix
|
|
|
out = self.fout
|
|
|
if any(s[1] for s in self._bufferstates):
|
|
|
out = self
|
|
|
with self.timeblockedsection(blockedtag):
|
|
|
rc = self._runsystem(cmd, environ=environ, cwd=cwd, out=out)
|
|
|
if rc and onerr:
|
|
|
errmsg = '%s %s' % (os.path.basename(cmd.split(None, 1)[0]),
|
|
|
util.explainexit(rc)[0])
|
|
|
if errprefix:
|
|
|
errmsg = '%s: %s' % (errprefix, errmsg)
|
|
|
raise onerr(errmsg)
|
|
|
return rc
|
|
|
|
|
|
def _runsystem(self, cmd, environ, cwd, out):
|
|
|
"""actually execute the given shell command (can be overridden by
|
|
|
extensions like chg)"""
|
|
|
return util.system(cmd, environ=environ, cwd=cwd, out=out)
|
|
|
|
|
|
def traceback(self, exc=None, force=False):
|
|
|
'''print exception traceback if traceback printing enabled or forced.
|
|
|
only to call in exception handler. returns true if traceback
|
|
|
printed.'''
|
|
|
if self.tracebackflag or force:
|
|
|
if exc is None:
|
|
|
exc = sys.exc_info()
|
|
|
cause = getattr(exc[1], 'cause', None)
|
|
|
|
|
|
if cause is not None:
|
|
|
causetb = traceback.format_tb(cause[2])
|
|
|
exctb = traceback.format_tb(exc[2])
|
|
|
exconly = traceback.format_exception_only(cause[0], cause[1])
|
|
|
|
|
|
# exclude frame where 'exc' was chained and rethrown from exctb
|
|
|
self.write_err('Traceback (most recent call last):\n',
|
|
|
''.join(exctb[:-1]),
|
|
|
''.join(causetb),
|
|
|
''.join(exconly))
|
|
|
else:
|
|
|
output = traceback.format_exception(exc[0], exc[1], exc[2])
|
|
|
self.write_err(encoding.strtolocal(r''.join(output)))
|
|
|
return self.tracebackflag or force
|
|
|
|
|
|
def geteditor(self):
|
|
|
'''return editor to use'''
|
|
|
if pycompat.sysplatform == 'plan9':
|
|
|
# vi is the MIPS instruction simulator on Plan 9. We
|
|
|
# instead default to E to plumb commit messages to
|
|
|
# avoid confusion.
|
|
|
editor = 'E'
|
|
|
else:
|
|
|
editor = 'vi'
|
|
|
return (encoding.environ.get("HGEDITOR") or
|
|
|
self.config("ui", "editor", editor))
|
|
|
|
|
|
@util.propertycache
|
|
|
def _progbar(self):
|
|
|
"""setup the progbar singleton to the ui object"""
|
|
|
if (self.quiet or self.debugflag
|
|
|
or self.configbool('progress', 'disable')
|
|
|
or not progress.shouldprint(self)):
|
|
|
return None
|
|
|
return getprogbar(self)
|
|
|
|
|
|
def _progclear(self):
|
|
|
"""clear progress bar output if any. use it before any output"""
|
|
|
if not haveprogbar(): # nothing loaded yet
|
|
|
return
|
|
|
if self._progbar is not None and self._progbar.printed:
|
|
|
self._progbar.clear()
|
|
|
|
|
|
def progress(self, topic, pos, item="", unit="", total=None):
|
|
|
'''show a progress message
|
|
|
|
|
|
By default a textual progress bar will be displayed if an operation
|
|
|
takes too long. 'topic' is the current operation, 'item' is a
|
|
|
non-numeric marker of the current position (i.e. the currently
|
|
|
in-process file), 'pos' is the current numeric position (i.e.
|
|
|
revision, bytes, etc.), unit is a corresponding unit label,
|
|
|
and total is the highest expected pos.
|
|
|
|
|
|
Multiple nested topics may be active at a time.
|
|
|
|
|
|
All topics should be marked closed by setting pos to None at
|
|
|
termination.
|
|
|
'''
|
|
|
if self._progbar is not None:
|
|
|
self._progbar.progress(topic, pos, item=item, unit=unit,
|
|
|
total=total)
|
|
|
if pos is None or not self.configbool('progress', 'debug'):
|
|
|
return
|
|
|
|
|
|
if unit:
|
|
|
unit = ' ' + unit
|
|
|
if item:
|
|
|
item = ' ' + item
|
|
|
|
|
|
if total:
|
|
|
pct = 100.0 * pos / total
|
|
|
self.debug('%s:%s %d/%d%s (%4.2f%%)\n'
|
|
|
% (topic, item, pos, total, unit, pct))
|
|
|
else:
|
|
|
self.debug('%s:%s %d%s\n' % (topic, item, pos, unit))
|
|
|
|
|
|
def log(self, service, *msg, **opts):
|
|
|
'''hook for logging facility extensions
|
|
|
|
|
|
service should be a readily-identifiable subsystem, which will
|
|
|
allow filtering.
|
|
|
|
|
|
*msg should be a newline-terminated format string to log, and
|
|
|
then any values to %-format into that format string.
|
|
|
|
|
|
**opts currently has no defined meanings.
|
|
|
'''
|
|
|
|
|
|
def label(self, msg, label):
|
|
|
'''style msg based on supplied label
|
|
|
|
|
|
If some color mode is enabled, this will add the necessary control
|
|
|
characters to apply such color. In addition, 'debug' color mode adds
|
|
|
markup showing which label affects a piece of text.
|
|
|
|
|
|
ui.write(s, 'label') is equivalent to
|
|
|
ui.write(ui.label(s, 'label')).
|
|
|
'''
|
|
|
if self._colormode is not None:
|
|
|
return color.colorlabel(self, msg, label)
|
|
|
return msg
|
|
|
|
|
|
def develwarn(self, msg, stacklevel=1, config=None):
|
|
|
"""issue a developer warning message
|
|
|
|
|
|
Use 'stacklevel' to report the offender some layers further up in the
|
|
|
stack.
|
|
|
"""
|
|
|
if not self.configbool('devel', 'all-warnings'):
|
|
|
if config is None or not self.configbool('devel', config):
|
|
|
return
|
|
|
msg = 'devel-warn: ' + msg
|
|
|
stacklevel += 1 # get in develwarn
|
|
|
if self.tracebackflag:
|
|
|
util.debugstacktrace(msg, stacklevel, self.ferr, self.fout)
|
|
|
self.log('develwarn', '%s at:\n%s' %
|
|
|
(msg, ''.join(util.getstackframes(stacklevel))))
|
|
|
else:
|
|
|
curframe = inspect.currentframe()
|
|
|
calframe = inspect.getouterframes(curframe, 2)
|
|
|
self.write_err('%s at: %s:%s (%s)\n'
|
|
|
% ((msg,) + calframe[stacklevel][1:4]))
|
|
|
self.log('develwarn', '%s at: %s:%s (%s)\n',
|
|
|
msg, *calframe[stacklevel][1:4])
|
|
|
curframe = calframe = None # avoid cycles
|
|
|
|
|
|
def deprecwarn(self, msg, version, stacklevel=2):
|
|
|
"""issue a deprecation warning
|
|
|
|
|
|
- msg: message explaining what is deprecated and how to upgrade,
|
|
|
- version: last version where the API will be supported,
|
|
|
"""
|
|
|
if not (self.configbool('devel', 'all-warnings')
|
|
|
or self.configbool('devel', 'deprec-warn')):
|
|
|
return
|
|
|
msg += ("\n(compatibility will be dropped after Mercurial-%s,"
|
|
|
" update your code.)") % version
|
|
|
self.develwarn(msg, stacklevel=stacklevel, config='deprec-warn')
|
|
|
|
|
|
def exportableenviron(self):
|
|
|
"""The environment variables that are safe to export, e.g. through
|
|
|
hgweb.
|
|
|
"""
|
|
|
return self._exportableenviron
|
|
|
|
|
|
@contextlib.contextmanager
|
|
|
def configoverride(self, overrides, source=""):
|
|
|
"""Context manager for temporary config overrides
|
|
|
`overrides` must be a dict of the following structure:
|
|
|
{(section, name) : value}"""
|
|
|
backups = {}
|
|
|
try:
|
|
|
for (section, name), value in overrides.items():
|
|
|
backups[(section, name)] = self.backupconfig(section, name)
|
|
|
self.setconfig(section, name, value, source)
|
|
|
yield
|
|
|
finally:
|
|
|
for __, backup in backups.items():
|
|
|
self.restoreconfig(backup)
|
|
|
# just restoring ui.quiet config to the previous value is not enough
|
|
|
# as it does not update ui.quiet class member
|
|
|
if ('ui', 'quiet') in overrides:
|
|
|
self.fixconfig(section='ui')
|
|
|
|
|
|
class paths(dict):
|
|
|
"""Represents a collection of paths and their configs.
|
|
|
|
|
|
Data is initially derived from ui instances and the config files they have
|
|
|
loaded.
|
|
|
"""
|
|
|
def __init__(self, ui):
|
|
|
dict.__init__(self)
|
|
|
|
|
|
for name, loc in ui.configitems('paths', ignoresub=True):
|
|
|
# No location is the same as not existing.
|
|
|
if not loc:
|
|
|
continue
|
|
|
loc, sub = ui.configsuboptions('paths', name)
|
|
|
self[name] = path(ui, name, rawloc=loc, suboptions=sub)
|
|
|
|
|
|
def getpath(self, name, default=None):
|
|
|
"""Return a ``path`` from a string, falling back to default.
|
|
|
|
|
|
``name`` can be a named path or locations. Locations are filesystem
|
|
|
paths or URIs.
|
|
|
|
|
|
Returns None if ``name`` is not a registered path, a URI, or a local
|
|
|
path to a repo.
|
|
|
"""
|
|
|
# Only fall back to default if no path was requested.
|
|
|
if name is None:
|
|
|
if not default:
|
|
|
default = ()
|
|
|
elif not isinstance(default, (tuple, list)):
|
|
|
default = (default,)
|
|
|
for k in default:
|
|
|
try:
|
|
|
return self[k]
|
|
|
except KeyError:
|
|
|
continue
|
|
|
return None
|
|
|
|
|
|
# Most likely empty string.
|
|
|
# This may need to raise in the future.
|
|
|
if not name:
|
|
|
return None
|
|
|
|
|
|
try:
|
|
|
return self[name]
|
|
|
except KeyError:
|
|
|
# Try to resolve as a local path or URI.
|
|
|
try:
|
|
|
# We don't pass sub-options in, so no need to pass ui instance.
|
|
|
return path(None, None, rawloc=name)
|
|
|
except ValueError:
|
|
|
raise error.RepoError(_('repository %s does not exist') %
|
|
|
name)
|
|
|
|
|
|
_pathsuboptions = {}
|
|
|
|
|
|
def pathsuboption(option, attr):
|
|
|
"""Decorator used to declare a path sub-option.
|
|
|
|
|
|
Arguments are the sub-option name and the attribute it should set on
|
|
|
``path`` instances.
|
|
|
|
|
|
The decorated function will receive as arguments a ``ui`` instance,
|
|
|
``path`` instance, and the string value of this option from the config.
|
|
|
The function should return the value that will be set on the ``path``
|
|
|
instance.
|
|
|
|
|
|
This decorator can be used to perform additional verification of
|
|
|
sub-options and to change the type of sub-options.
|
|
|
"""
|
|
|
def register(func):
|
|
|
_pathsuboptions[option] = (attr, func)
|
|
|
return func
|
|
|
return register
|
|
|
|
|
|
@pathsuboption('pushurl', 'pushloc')
|
|
|
def pushurlpathoption(ui, path, value):
|
|
|
u = util.url(value)
|
|
|
# Actually require a URL.
|
|
|
if not u.scheme:
|
|
|
ui.warn(_('(paths.%s:pushurl not a URL; ignoring)\n') % path.name)
|
|
|
return None
|
|
|
|
|
|
# Don't support the #foo syntax in the push URL to declare branch to
|
|
|
# push.
|
|
|
if u.fragment:
|
|
|
ui.warn(_('("#fragment" in paths.%s:pushurl not supported; '
|
|
|
'ignoring)\n') % path.name)
|
|
|
u.fragment = None
|
|
|
|
|
|
return str(u)
|
|
|
|
|
|
@pathsuboption('pushrev', 'pushrev')
|
|
|
def pushrevpathoption(ui, path, value):
|
|
|
return value
|
|
|
|
|
|
class path(object):
|
|
|
"""Represents an individual path and its configuration."""
|
|
|
|
|
|
def __init__(self, ui, name, rawloc=None, suboptions=None):
|
|
|
"""Construct a path from its config options.
|
|
|
|
|
|
``ui`` is the ``ui`` instance the path is coming from.
|
|
|
``name`` is the symbolic name of the path.
|
|
|
``rawloc`` is the raw location, as defined in the config.
|
|
|
``pushloc`` is the raw locations pushes should be made to.
|
|
|
|
|
|
If ``name`` is not defined, we require that the location be a) a local
|
|
|
filesystem path with a .hg directory or b) a URL. If not,
|
|
|
``ValueError`` is raised.
|
|
|
"""
|
|
|
if not rawloc:
|
|
|
raise ValueError('rawloc must be defined')
|
|
|
|
|
|
# Locations may define branches via syntax <base>#<branch>.
|
|
|
u = util.url(rawloc)
|
|
|
branch = None
|
|
|
if u.fragment:
|
|
|
branch = u.fragment
|
|
|
u.fragment = None
|
|
|
|
|
|
self.url = u
|
|
|
self.branch = branch
|
|
|
|
|
|
self.name = name
|
|
|
self.rawloc = rawloc
|
|
|
self.loc = '%s' % u
|
|
|
|
|
|
# When given a raw location but not a symbolic name, validate the
|
|
|
# location is valid.
|
|
|
if not name and not u.scheme and not self._isvalidlocalpath(self.loc):
|
|
|
raise ValueError('location is not a URL or path to a local '
|
|
|
'repo: %s' % rawloc)
|
|
|
|
|
|
suboptions = suboptions or {}
|
|
|
|
|
|
# Now process the sub-options. If a sub-option is registered, its
|
|
|
# attribute will always be present. The value will be None if there
|
|
|
# was no valid sub-option.
|
|
|
for suboption, (attr, func) in _pathsuboptions.iteritems():
|
|
|
if suboption not in suboptions:
|
|
|
setattr(self, attr, None)
|
|
|
continue
|
|
|
|
|
|
value = func(ui, self, suboptions[suboption])
|
|
|
setattr(self, attr, value)
|
|
|
|
|
|
def _isvalidlocalpath(self, path):
|
|
|
"""Returns True if the given path is a potentially valid repository.
|
|
|
This is its own function so that extensions can change the definition of
|
|
|
'valid' in this case (like when pulling from a git repo into a hg
|
|
|
one)."""
|
|
|
return os.path.isdir(os.path.join(path, '.hg'))
|
|
|
|
|
|
@property
|
|
|
def suboptions(self):
|
|
|
"""Return sub-options and their values for this path.
|
|
|
|
|
|
This is intended to be used for presentation purposes.
|
|
|
"""
|
|
|
d = {}
|
|
|
for subopt, (attr, _func) in _pathsuboptions.iteritems():
|
|
|
value = getattr(self, attr)
|
|
|
if value is not None:
|
|
|
d[subopt] = value
|
|
|
return d
|
|
|
|
|
|
# we instantiate one globally shared progress bar to avoid
|
|
|
# competing progress bars when multiple UI objects get created
|
|
|
_progresssingleton = None
|
|
|
|
|
|
def getprogbar(ui):
|
|
|
global _progresssingleton
|
|
|
if _progresssingleton is None:
|
|
|
# passing 'ui' object to the singleton is fishy,
|
|
|
# this is how the extension used to work but feel free to rework it.
|
|
|
_progresssingleton = progress.progbar(ui)
|
|
|
return _progresssingleton
|
|
|
|
|
|
def haveprogbar():
|
|
|
return _progresssingleton is not None
|
|
|
|
