add hg and python
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cinap_lenrek
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3709 changed files with 1244309 additions and 1 deletions
381
sys/lib/python/mercurial/ui.py
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381
sys/lib/python/mercurial/ui.py
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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, incorporated herein by reference.
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from i18n import _
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import errno, getpass, os, socket, sys, tempfile, traceback
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import config, util, error
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_booleans = {'1': True, 'yes': True, 'true': True, 'on': True,
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'0': False, 'no': False, 'false': False, 'off': False}
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class ui(object):
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def __init__(self, src=None):
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self._buffers = []
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self.quiet = self.verbose = self.debugflag = self._traceback = False
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self._reportuntrusted = True
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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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if src:
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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.fixconfig()
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else:
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# we always trust global config files
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for f in util.rcpath():
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self.readconfig(f, trust=True)
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def copy(self):
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return self.__class__(self)
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def _is_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)
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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._is_trusted(fp, filename)
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try:
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cfg.read(filename, fp, sections=sections, remap=remap)
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except error.ConfigError, 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 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):
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# translate paths relative to root (or home) into absolute paths
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root = root or os.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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if p and "://" not in p and not os.path.isabs(p):
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c.set("paths", n, os.path.normpath(os.path.join(root, p)))
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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.configbool("ui", "report_untrusted", True)
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self._traceback = self.configbool('ui', 'traceback', False)
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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 setconfig(self, section, name, value):
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for cfg in (self._ocfg, self._tcfg, self._ucfg):
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cfg.set(section, name, value)
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self.fixconfig()
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def _data(self, untrusted):
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return untrusted and self._ucfg or self._tcfg
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def configsource(self, section, name, untrusted=False):
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return self._data(untrusted).source(section, name) or 'none'
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def config(self, section, name, default=None, untrusted=False):
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value = self._data(untrusted).get(section, name, default)
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if self.debugflag and not untrusted and self._reportuntrusted:
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uvalue = self._ucfg.get(section, name)
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if uvalue is not None and uvalue != value:
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self.debug(_("ignoring untrusted configuration option "
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"%s.%s = %s\n") % (section, name, uvalue))
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return value
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def configbool(self, section, name, default=False, untrusted=False):
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v = self.config(section, name, None, untrusted)
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if v is None:
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return default
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if v.lower() not in _booleans:
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raise error.ConfigError(_("%s.%s not a boolean ('%s')")
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% (section, name, v))
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return _booleans[v.lower()]
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def configlist(self, section, name, default=None, untrusted=False):
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"""Return a list of comma/space separated strings"""
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result = self.config(section, name, untrusted=untrusted)
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if result is None:
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result = default or []
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if isinstance(result, basestring):
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result = result.replace(",", " ").split()
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return result
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def has_section(self, section, untrusted=False):
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'''tell whether section exists in config.'''
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return section in self._data(untrusted)
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def configitems(self, section, untrusted=False):
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items = self._data(untrusted).items(section)
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if self.debugflag and not untrusted and self._reportuntrusted:
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for k, v in self._ucfg.items(section):
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if self._tcfg.get(section, k) != v:
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self.debug(_("ignoring untrusted configuration option "
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"%s.%s = %s\n") % (section, k, v))
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return items
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def walkconfig(self, untrusted=False):
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cfg = self._data(untrusted)
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for section in cfg.sections():
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for name, value in self.configitems(section, untrusted):
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yield section, name, str(value).replace('\n', '\\n')
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def username(self):
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"""Return default username to be used in commits.
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Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL
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and stop searching if one of these is set.
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If not found and ui.askusername is True, ask the user, else use
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($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname".
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"""
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user = os.environ.get("HGUSER")
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if user is None:
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user = self.config("ui", "username")
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if user is None:
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user = os.environ.get("EMAIL")
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if user is None and self.configbool("ui", "askusername"):
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user = self.prompt(_("enter a commit username:"), default=None)
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if user is None:
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try:
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user = '%s@%s' % (util.getuser(), socket.getfqdn())
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self.warn(_("No username found, using '%s' instead\n") % user)
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except KeyError:
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pass
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if not user:
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raise util.Abort(_("Please specify a username."))
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if "\n" in user:
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raise util.Abort(_("username %s contains a newline\n") % repr(user))
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return user
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def shortuser(self, user):
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"""Return a short representation of a user name or email address."""
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if not self.verbose: user = util.shortuser(user)
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return user
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def _path(self, loc):
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p = self.config('paths', loc)
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if p and '%%' in p:
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self.warn('(deprecated \'%%\' in path %s=%s from %s)\n' %
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(loc, p, self.configsource('paths', loc)))
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p = p.replace('%%', '%')
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return p
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def expandpath(self, loc, default=None):
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"""Return repository location relative to cwd or from [paths]"""
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if "://" in loc or os.path.isdir(os.path.join(loc, '.hg')):
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return loc
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path = self._path(loc)
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if not path and default is not None:
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path = self._path(default)
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return path or loc
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def pushbuffer(self):
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self._buffers.append([])
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def popbuffer(self):
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return "".join(self._buffers.pop())
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def write(self, *args):
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if self._buffers:
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self._buffers[-1].extend([str(a) for a in args])
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else:
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for a in args:
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sys.stdout.write(str(a))
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def write_err(self, *args):
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try:
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if not sys.stdout.closed: sys.stdout.flush()
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for a in args:
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sys.stderr.write(str(a))
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# stderr may be buffered under win32 when redirected to files,
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# including stdout.
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if not sys.stderr.closed: sys.stderr.flush()
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except IOError, inst:
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if inst.errno != errno.EPIPE:
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raise
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def flush(self):
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try: sys.stdout.flush()
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except: pass
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try: sys.stderr.flush()
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except: pass
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def interactive(self):
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i = self.configbool("ui", "interactive", None)
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if i is None:
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return sys.stdin.isatty()
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return i
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def _readline(self, prompt=''):
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if sys.stdin.isatty():
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try:
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# magically add command line editing support, where
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# available
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import readline
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# force demandimport to really load the module
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readline.read_history_file
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# windows sometimes raises something other than ImportError
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except Exception:
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pass
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line = raw_input(prompt)
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# When stdin is in binary mode on Windows, it can cause
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# raw_input() to emit an extra trailing carriage return
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if os.linesep == '\r\n' and line and line[-1] == '\r':
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line = line[:-1]
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return line
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def prompt(self, msg, default="y"):
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"""Prompt user with msg, read response.
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If ui is not interactive, the default is returned.
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"""
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if not self.interactive():
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self.write(msg, ' ', default, "\n")
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return default
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try:
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r = self._readline(msg + ' ')
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if not r:
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return default
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return r
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except EOFError:
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raise util.Abort(_('response expected'))
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def promptchoice(self, msg, choices, default=0):
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"""Prompt user with msg, read response, and ensure it matches
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one of the provided choices. The index of the choice is returned.
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choices is a sequence of acceptable responses with the format:
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('&None', 'E&xec', 'Sym&link') Responses are case insensitive.
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If ui is not interactive, the default is returned.
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"""
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resps = [s[s.index('&')+1].lower() for s in choices]
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while True:
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r = self.prompt(msg, resps[default])
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if r.lower() in resps:
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return resps.index(r.lower())
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self.write(_("unrecognized response\n"))
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def getpass(self, prompt=None, default=None):
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if not self.interactive(): return default
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try:
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return getpass.getpass(prompt or _('password: '))
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except EOFError:
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raise util.Abort(_('response expected'))
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def status(self, *msg):
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if not self.quiet: self.write(*msg)
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def warn(self, *msg):
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self.write_err(*msg)
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def note(self, *msg):
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if self.verbose: self.write(*msg)
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def debug(self, *msg):
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if self.debugflag: self.write(*msg)
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def edit(self, text, user):
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(fd, name) = tempfile.mkstemp(prefix="hg-editor-", suffix=".txt",
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text=True)
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try:
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f = os.fdopen(fd, "w")
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f.write(text)
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f.close()
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editor = self.geteditor()
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util.system("%s \"%s\"" % (editor, name),
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environ={'HGUSER': user},
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onerr=util.Abort, errprefix=_("edit failed"))
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f = open(name)
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t = f.read()
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f.close()
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finally:
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os.unlink(name)
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return t
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def traceback(self):
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'''print exception traceback if traceback printing enabled.
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only to call in exception handler. returns true if traceback
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printed.'''
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if self._traceback:
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traceback.print_exc()
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return self._traceback
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def geteditor(self):
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'''return editor to use'''
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return (os.environ.get("HGEDITOR") or
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self.config("ui", "editor") or
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os.environ.get("VISUAL") or
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os.environ.get("EDITOR", "vi"))
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def progress(self, topic, pos, item="", unit="", total=None):
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'''show a progress message
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With stock hg, this is simply a debug message that is hidden
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by default, but with extensions or GUI tools it may be
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visible. 'topic' is the current operation, 'item' is a
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non-numeric marker of the current position (ie the currently
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in-process file), 'pos' is the current numeric position (ie
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revision, bytes, etc.), units is a corresponding unit label,
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and total is the highest expected pos.
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Multiple nested topics may be active at a time. All topics
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should be marked closed by setting pos to None at termination.
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'''
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if pos == None or not self.debugflag:
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return
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if units:
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units = ' ' + units
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if item:
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item = ' ' + item
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if total:
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pct = 100.0 * pos / total
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ui.debug('%s:%s %s/%s%s (%4.2g%%)\n'
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% (topic, item, pos, total, units, pct))
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else:
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ui.debug('%s:%s %s%s\n' % (topic, item, pos, units))
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