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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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import inspect
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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, scmutil, util, error, formatter, progress
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from node import hex
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samplehgrcs = {
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'user':
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"""# 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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[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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# pager =
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# progress =
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# color =""",
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'cloned':
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"""# 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-push = 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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"""# 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-push = 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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"""# example system-wide hg config (see "hg help config" for more info)
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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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# progress =
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# color =
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# pager =""",
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}
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class ui(object):
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def __init__(self, src=None):
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# _buffers: used for temporary capture of output
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self._buffers = []
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# _bufferstates:
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# should the temporary capture include stderr and subprocess output
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self._bufferstates = []
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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._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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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._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.fixconfig()
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else:
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self.fout = sys.stdout
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self.ferr = sys.stderr
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self.fin = sys.stdin
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# shared read-only environment
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self.environ = os.environ
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# we always trust global config files
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for f in scmutil.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 formatter(self, topic, opts):
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return formatter.formatter(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)
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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, 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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# 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 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 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 not p:
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continue
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if '%%' in p:
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self.warn(_("(deprecated '%%' in path %s=%s from %s)\n")
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% (n, p, self.configsource('paths', n)))
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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", True)
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self.tracebackflag = self.configbool('ui', 'traceback', False)
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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):
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return (self._ocfg.backup(section, item),
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self._tcfg.backup(section, item),
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self._ucfg.backup(section, item),)
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def restoreconfig(self, data):
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self._ocfg.restore(data[0])
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self._tcfg.restore(data[1])
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self._ucfg.restore(data[2])
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def setconfig(self, section, name, value, source=''):
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for cfg in (self._ocfg, self._tcfg, self._ucfg):
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cfg.set(section, name, value, source)
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self.fixconfig(section=section)
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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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if isinstance(name, list):
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alternates = name
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else:
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alternates = [name]
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for n in alternates:
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value = self._data(untrusted).get(section, n, None)
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if value is not None:
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name = n
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break
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else:
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value = default
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if self.debugflag and not untrusted and self._reportuntrusted:
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for n in alternates:
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uvalue = self._ucfg.get(section, n)
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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, n, uvalue))
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return value
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def configpath(self, section, name, default=None, untrusted=False):
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'get a path config item, expanded relative to repo root or config file'
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v = self.config(section, name, default, untrusted)
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if v is None:
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return None
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if not os.path.isabs(v) or "://" not in v:
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src = self.configsource(section, name, untrusted)
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if ':' in src:
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base = os.path.dirname(src.rsplit(':')[0])
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v = os.path.join(base, os.path.expanduser(v))
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return v
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def configbool(self, section, name, default=False, untrusted=False):
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"""parse a configuration element as a boolean
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>>> u = ui(); s = 'foo'
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>>> u.setconfig(s, 'true', 'yes')
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>>> u.configbool(s, 'true')
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True
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>>> u.setconfig(s, 'false', 'no')
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>>> u.configbool(s, 'false')
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False
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>>> u.configbool(s, 'unknown')
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False
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>>> u.configbool(s, 'unknown', True)
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True
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>>> u.setconfig(s, 'invalid', 'somevalue')
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>>> u.configbool(s, 'invalid')
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Traceback (most recent call last):
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...
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ConfigError: foo.invalid is not a boolean ('somevalue')
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"""
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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 isinstance(v, bool):
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return v
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b = util.parsebool(v)
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if b is None:
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raise error.ConfigError(_("%s.%s is not a boolean ('%s')")
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% (section, name, v))
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return b
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def configint(self, section, name, default=None, untrusted=False):
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"""parse a configuration element as an integer
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>>> u = ui(); s = 'foo'
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>>> u.setconfig(s, 'int1', '42')
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>>> u.configint(s, 'int1')
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42
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>>> u.setconfig(s, 'int2', '-42')
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>>> u.configint(s, 'int2')
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-42
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>>> u.configint(s, 'unknown', 7)
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7
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>>> u.setconfig(s, 'invalid', 'somevalue')
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>>> u.configint(s, 'invalid')
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Traceback (most recent call last):
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...
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ConfigError: foo.invalid is not an integer ('somevalue')
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"""
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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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try:
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return int(v)
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except ValueError:
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raise error.ConfigError(_("%s.%s is not an integer ('%s')")
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% (section, name, v))
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def configbytes(self, section, name, default=0, untrusted=False):
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"""parse a configuration element as a quantity in bytes
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Units can be specified as b (bytes), k or kb (kilobytes), m or
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mb (megabytes), g or gb (gigabytes).
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>>> u = ui(); s = 'foo'
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>>> u.setconfig(s, 'val1', '42')
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>>> u.configbytes(s, 'val1')
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42
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>>> u.setconfig(s, 'val2', '42.5 kb')
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>>> u.configbytes(s, 'val2')
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43520
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>>> u.configbytes(s, 'unknown', '7 MB')
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7340032
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>>> u.setconfig(s, 'invalid', 'somevalue')
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>>> u.configbytes(s, 'invalid')
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Traceback (most recent call last):
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...
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ConfigError: foo.invalid is not a byte quantity ('somevalue')
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"""
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value = self.config(section, name)
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if value is None:
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if not isinstance(default, str):
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return default
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value = default
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try:
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return util.sizetoint(value)
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except error.ParseError:
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raise error.ConfigError(_("%s.%s is not a byte quantity ('%s')")
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% (section, name, value))
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def configlist(self, section, name, default=None, untrusted=False):
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"""parse a configuration element as a list of comma/space separated
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strings
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>>> u = ui(); s = 'foo'
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>>> u.setconfig(s, 'list1', 'this,is "a small" ,test')
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>>> u.configlist(s, 'list1')
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['this', 'is', 'a small', 'test']
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"""
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def _parse_plain(parts, s, offset):
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whitespace = False
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while offset < len(s) and (s[offset].isspace() or s[offset] == ','):
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whitespace = True
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offset += 1
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if offset >= len(s):
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return None, parts, offset
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if whitespace:
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parts.append('')
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if s[offset] == '"' and not parts[-1]:
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return _parse_quote, parts, offset + 1
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elif s[offset] == '"' and parts[-1][-1] == '\\':
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parts[-1] = parts[-1][:-1] + s[offset]
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return _parse_plain, parts, offset + 1
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parts[-1] += s[offset]
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return _parse_plain, parts, offset + 1
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def _parse_quote(parts, s, offset):
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if offset < len(s) and s[offset] == '"': # ""
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parts.append('')
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offset += 1
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while offset < len(s) and (s[offset].isspace() or
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s[offset] == ','):
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offset += 1
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return _parse_plain, parts, offset
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while offset < len(s) and s[offset] != '"':
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if (s[offset] == '\\' and offset + 1 < len(s)
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and s[offset + 1] == '"'):
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offset += 1
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parts[-1] += '"'
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else:
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parts[-1] += s[offset]
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offset += 1
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if offset >= len(s):
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real_parts = _configlist(parts[-1])
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if not real_parts:
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parts[-1] = '"'
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else:
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real_parts[0] = '"' + real_parts[0]
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parts = parts[:-1]
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parts.extend(real_parts)
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return None, parts, offset
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offset += 1
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while offset < len(s) and s[offset] in [' ', ',']:
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offset += 1
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if offset < len(s):
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if offset + 1 == len(s) and s[offset] == '"':
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parts[-1] += '"'
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offset += 1
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|
|
else:
|
|
|
parts.append('')
|
|
|
else:
|
|
|
return None, parts, offset
|
|
|
|
|
|
return _parse_plain, parts, offset
|
|
|
|
|
|
def _configlist(s):
|
|
|
s = s.rstrip(' ,')
|
|
|
if not s:
|
|
|
return []
|
|
|
parser, parts, offset = _parse_plain, [''], 0
|
|
|
while parser:
|
|
|
parser, parts, offset = parser(parts, s, offset)
|
|
|
return parts
|
|
|
|
|
|
result = self.config(section, name, untrusted=untrusted)
|
|
|
if result is None:
|
|
|
result = default or []
|
|
|
if isinstance(result, basestring):
|
|
|
result = _configlist(result.lstrip(' ,\n'))
|
|
|
if result is None:
|
|
|
result = default or []
|
|
|
return result
|
|
|
|
|
|
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):
|
|
|
items = self._data(untrusted).items(section)
|
|
|
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
|
|
|
- True otherwise
|
|
|
'''
|
|
|
if 'HGPLAIN' not in os.environ and 'HGPLAINEXCEPT' not in os.environ:
|
|
|
return False
|
|
|
exceptions = os.environ.get('HGPLAINEXCEPT', '').strip().split(',')
|
|
|
if feature and exceptions:
|
|
|
return feature not in exceptions
|
|
|
return True
|
|
|
|
|
|
def username(self):
|
|
|
"""Return default username to be used in commits.
|
|
|
|
|
|
Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL
|
|
|
and stop searching if one of these is set.
|
|
|
If not found and ui.askusername is True, ask the user, else use
|
|
|
($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname".
|
|
|
"""
|
|
|
user = os.environ.get("HGUSER")
|
|
|
if user is None:
|
|
|
user = self.config("ui", ["username", "user"])
|
|
|
if user is not None:
|
|
|
user = os.path.expandvars(user)
|
|
|
if user is None:
|
|
|
user = os.environ.get("EMAIL")
|
|
|
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 util.Abort(_('no username supplied'),
|
|
|
hint=_('use "hg config --edit" '
|
|
|
'to set your username'))
|
|
|
if "\n" in user:
|
|
|
raise util.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]"""
|
|
|
if util.hasscheme(loc) or os.path.isdir(os.path.join(loc, '.hg')):
|
|
|
return loc
|
|
|
|
|
|
p = self.paths.getpath(loc, default=default)
|
|
|
if p:
|
|
|
return p.loc
|
|
|
return loc
|
|
|
|
|
|
@util.propertycache
|
|
|
def paths(self):
|
|
|
return paths(self)
|
|
|
|
|
|
def pushbuffer(self, error=False, subproc=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."""
|
|
|
self._buffers.append([])
|
|
|
self._bufferstates.append((error, subproc))
|
|
|
|
|
|
def popbuffer(self, labeled=False):
|
|
|
'''pop the last buffer and return the buffered output
|
|
|
|
|
|
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._bufferstates.pop()
|
|
|
return "".join(self._buffers.pop())
|
|
|
|
|
|
def write(self, *args, **opts):
|
|
|
'''write args to output
|
|
|
|
|
|
By default, this method simply writes to the buffer or stdout,
|
|
|
but extensions or GUI tools may override this method,
|
|
|
write_err(), popbuffer(), and label() to style output from
|
|
|
various parts of hg.
|
|
|
|
|
|
An optional keyword argument, "label", can be passed in.
|
|
|
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.
|
|
|
'''
|
|
|
self._progclear()
|
|
|
if self._buffers:
|
|
|
self._buffers[-1].extend([str(a) for a in args])
|
|
|
else:
|
|
|
for a in args:
|
|
|
self.fout.write(str(a))
|
|
|
|
|
|
def write_err(self, *args, **opts):
|
|
|
self._progclear()
|
|
|
try:
|
|
|
if self._bufferstates and self._bufferstates[-1][0]:
|
|
|
return self.write(*args, **opts)
|
|
|
if not getattr(self.fout, 'closed', False):
|
|
|
self.fout.flush()
|
|
|
for a in args:
|
|
|
self.ferr.write(str(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, inst:
|
|
|
if inst.errno not in (errno.EPIPE, errno.EIO, errno.EBADF):
|
|
|
raise
|
|
|
|
|
|
def flush(self):
|
|
|
try: self.fout.flush()
|
|
|
except (IOError, ValueError): pass
|
|
|
try: self.ferr.flush()
|
|
|
except (IOError, ValueError): pass
|
|
|
|
|
|
def _isatty(self, fh):
|
|
|
if self.configbool('ui', 'nontty', False):
|
|
|
return False
|
|
|
return util.isatty(fh)
|
|
|
|
|
|
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", None)
|
|
|
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 os.environ:
|
|
|
try:
|
|
|
return int(os.environ['COLUMNS'])
|
|
|
except ValueError:
|
|
|
pass
|
|
|
return util.termwidth()
|
|
|
|
|
|
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", None)
|
|
|
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, prompt=''):
|
|
|
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
|
|
|
|
|
|
# call write() so output goes through subclassed implementation
|
|
|
# e.g. color extension on Windows
|
|
|
self.write(prompt)
|
|
|
|
|
|
# instead of trying to emulate raw_input, swap (self.fin,
|
|
|
# self.fout) with (sys.stdin, sys.stdout)
|
|
|
oldin = sys.stdin
|
|
|
oldout = sys.stdout
|
|
|
sys.stdin = self.fin
|
|
|
sys.stdout = self.fout
|
|
|
# prompt ' ' must exist; otherwise readline may delete entire line
|
|
|
# - http://bugs.python.org/issue12833
|
|
|
line = raw_input(' ')
|
|
|
sys.stdin = oldin
|
|
|
sys.stdout = oldout
|
|
|
|
|
|
# When stdin is in binary mode on Windows, it can cause
|
|
|
# raw_input() to emit an extra trailing carriage return
|
|
|
if os.linesep == '\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, "\n")
|
|
|
return default
|
|
|
try:
|
|
|
r = self._readline(self.label(msg, 'ui.prompt'))
|
|
|
if not r:
|
|
|
r = default
|
|
|
if self.configbool('ui', 'promptecho'):
|
|
|
self.write(r, "\n")
|
|
|
return r
|
|
|
except EOFError:
|
|
|
raise util.Abort(_('response expected'))
|
|
|
|
|
|
@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 &)".
|
|
|
"""
|
|
|
parts = prompt.split('$$')
|
|
|
msg = parts[0].rstrip(' ')
|
|
|
choices = [p.strip(' ') for p in parts[1:]]
|
|
|
return (msg,
|
|
|
[(s[s.index('&') + 1].lower(), s.replace('&', '', 1))
|
|
|
for s in choices])
|
|
|
|
|
|
def promptchoice(self, prompt, default=0):
|
|
|
"""Prompt user with a message, read response, and ensure it matches
|
|
|
one of the provided choices. The prompt is formatted as follows:
|
|
|
|
|
|
"would you like fries with that (Yn)? $$ &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.
|
|
|
if self.configbool('ui', 'nontty'):
|
|
|
return self.fin.readline().rstrip('\n')
|
|
|
else:
|
|
|
return getpass.getpass('')
|
|
|
except EOFError:
|
|
|
raise util.Abort(_('response expected'))
|
|
|
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['label'] = opts.get('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['label'] = opts.get('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['label'] = opts.get('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['label'] = opts.get('label', '') + ' ui.debug'
|
|
|
self.write(*msg, **opts)
|
|
|
def edit(self, text, user, extra={}, editform=None):
|
|
|
(fd, name) = tempfile.mkstemp(prefix="hg-editor-", suffix=".txt",
|
|
|
text=True)
|
|
|
try:
|
|
|
f = os.fdopen(fd, "w")
|
|
|
f.write(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})
|
|
|
|
|
|
editor = self.geteditor()
|
|
|
|
|
|
self.system("%s \"%s\"" % (editor, name),
|
|
|
environ=environ,
|
|
|
onerr=util.Abort, errprefix=_("edit failed"))
|
|
|
|
|
|
f = open(name)
|
|
|
t = f.read()
|
|
|
f.close()
|
|
|
finally:
|
|
|
os.unlink(name)
|
|
|
|
|
|
return t
|
|
|
|
|
|
def system(self, cmd, environ={}, cwd=None, onerr=None, errprefix=None):
|
|
|
'''execute shell command with appropriate output stream. command
|
|
|
output will be redirected if fout is not stdout.
|
|
|
'''
|
|
|
out = self.fout
|
|
|
if any(s[1] for s in self._bufferstates):
|
|
|
out = self
|
|
|
return util.system(cmd, environ=environ, cwd=cwd, onerr=onerr,
|
|
|
errprefix=errprefix, 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(''.join(output))
|
|
|
return self.tracebackflag or force
|
|
|
|
|
|
def geteditor(self):
|
|
|
'''return editor to use'''
|
|
|
if sys.platform == '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 (os.environ.get("HGEDITOR") or
|
|
|
self.config("ui", "editor") or
|
|
|
os.environ.get("VISUAL") or
|
|
|
os.environ.get("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', False)
|
|
|
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 '_progbar' not in vars(self): # nothing loadef 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
|
|
|
|
|
|
With stock hg, this is simply a debug message that is hidden
|
|
|
by default, but with extensions or GUI tools it may be
|
|
|
visible. '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 %s/%s%s (%4.2f%%)\n'
|
|
|
% (topic, item, pos, total, unit, pct))
|
|
|
else:
|
|
|
self.debug('%s:%s %s%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.
|
|
|
message should be a newline-terminated string to log.
|
|
|
'''
|
|
|
pass
|
|
|
|
|
|
def label(self, msg, label):
|
|
|
'''style msg based on supplied label
|
|
|
|
|
|
Like ui.write(), this just returns msg unchanged, but extensions
|
|
|
and GUI tools can override it to allow styling output without
|
|
|
writing it.
|
|
|
|
|
|
ui.write(s, 'label') is equivalent to
|
|
|
ui.write(ui.label(s, 'label')).
|
|
|
'''
|
|
|
return msg
|
|
|
|
|
|
def develwarn(self, msg):
|
|
|
"""issue a developer warning message"""
|
|
|
msg = 'devel-warn: ' + msg
|
|
|
if self.tracebackflag:
|
|
|
util.debugstacktrace(msg, 2)
|
|
|
else:
|
|
|
curframe = inspect.currentframe()
|
|
|
calframe = inspect.getouterframes(curframe, 2)
|
|
|
self.write_err('%s at: %s:%s (%s)\n' % ((msg,) + calframe[2][1:4]))
|
|
|
|
|
|
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'):
|
|
|
# No location is the same as not existing.
|
|
|
if not loc:
|
|
|
continue
|
|
|
self[name] = path(name, rawloc=loc)
|
|
|
|
|
|
def getpath(self, name, default=None):
|
|
|
"""Return a ``path`` for the specified name, falling back to a default.
|
|
|
|
|
|
Returns the first of ``name`` or ``default`` that is present, or None
|
|
|
if neither is present.
|
|
|
"""
|
|
|
try:
|
|
|
return self[name]
|
|
|
except KeyError:
|
|
|
if default is not None:
|
|
|
try:
|
|
|
return self[default]
|
|
|
except KeyError:
|
|
|
pass
|
|
|
|
|
|
return None
|
|
|
|
|
|
class path(object):
|
|
|
"""Represents an individual path and its configuration."""
|
|
|
|
|
|
def __init__(self, name, rawloc=None):
|
|
|
"""Construct a path from its config options.
|
|
|
|
|
|
``name`` is the symbolic name of the path.
|
|
|
``rawloc`` is the raw location, as defined in the config.
|
|
|
"""
|
|
|
self.name = name
|
|
|
# We'll do more intelligent things with rawloc in the future.
|
|
|
self.loc = rawloc
|
|
|
|
|
|
# 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
|
|
|
|