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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
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# of the GNU General Public License, incorporated herein by reference.
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from i18n import _
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import errno, getpass, os, re, socket, sys, tempfile
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import ConfigParser, traceback, util
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def dupconfig(orig):
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new = util.configparser(orig.defaults())
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updateconfig(orig, new)
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return new
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def updateconfig(source, dest, sections=None):
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if not sections:
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sections = source.sections()
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for section in sections:
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if not dest.has_section(section):
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dest.add_section(section)
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for name, value in source.items(section, raw=True):
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dest.set(section, name, value)
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class ui(object):
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def __init__(self, verbose=False, debug=False, quiet=False,
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interactive=True, traceback=False, report_untrusted=True,
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parentui=None):
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self.overlay = None
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self.buffers = []
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if parentui is None:
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# this is the parent of all ui children
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self.parentui = None
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self.quiet = quiet
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self.verbose = verbose
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self.debugflag = debug
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self.interactive = interactive
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self.traceback = traceback
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self.report_untrusted = report_untrusted
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self.trusted_users = {}
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self.trusted_groups = {}
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# if ucdata is not None, its keys must be a superset of cdata's
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self.cdata = util.configparser()
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self.ucdata = None
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# we always trust global config files
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self.check_trusted = False
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self.readconfig(util.rcpath())
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self.check_trusted = True
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self.updateopts(verbose, debug, quiet, interactive)
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else:
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# parentui may point to an ui object which is already a child
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self.parentui = parentui.parentui or parentui
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self.trusted_users = parentui.trusted_users.copy()
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self.trusted_groups = parentui.trusted_groups.copy()
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self.cdata = dupconfig(self.parentui.cdata)
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if self.parentui.ucdata:
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self.ucdata = dupconfig(self.parentui.ucdata)
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if self.parentui.overlay:
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self.overlay = dupconfig(self.parentui.overlay)
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def __getattr__(self, key):
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return getattr(self.parentui, key)
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def updateopts(self, verbose=False, debug=False, quiet=False,
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interactive=True, traceback=False, config=[]):
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for section, name, value in config:
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self.setconfig(section, name, value)
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if quiet or verbose or debug:
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self.setconfig('ui', 'quiet', str(bool(quiet)))
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self.setconfig('ui', 'verbose', str(bool(verbose)))
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self.setconfig('ui', 'debug', str(bool(debug)))
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self.verbosity_constraints()
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if not interactive:
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self.setconfig('ui', 'interactive', 'False')
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self.interactive = False
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self.traceback = self.traceback or traceback
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def verbosity_constraints(self):
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self.quiet = self.configbool('ui', 'quiet')
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self.verbose = self.configbool('ui', 'verbose')
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self.debugflag = self.configbool('ui', 'debug')
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if self.debugflag:
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self.verbose = True
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self.quiet = False
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elif self.verbose and self.quiet:
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self.quiet = self.verbose = False
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def _is_trusted(self, fp, f, warn=True):
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if not self.check_trusted:
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return True
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st = util.fstat(fp)
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if util.isowner(fp, st):
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return True
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tusers = self.trusted_users
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tgroups = self.trusted_groups
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if not tusers:
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user = util.username()
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if user is not None:
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self.trusted_users[user] = 1
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self.fixconfig(section='trusted')
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if (tusers or tgroups) and '*' not in tusers and '*' not in tgroups:
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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 not in tusers and group not in tgroups:
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if warn and self.report_untrusted:
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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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return True
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def readconfig(self, fn, root=None):
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if isinstance(fn, basestring):
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fn = [fn]
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for f in fn:
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try:
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fp = open(f)
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except IOError:
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continue
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cdata = self.cdata
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trusted = self._is_trusted(fp, f)
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if not trusted:
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if self.ucdata is None:
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self.ucdata = dupconfig(self.cdata)
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cdata = self.ucdata
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elif self.ucdata is not None:
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# use a separate configparser, so that we don't accidentally
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# override ucdata settings later on.
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cdata = util.configparser()
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try:
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cdata.readfp(fp, f)
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except ConfigParser.ParsingError, inst:
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msg = _("Failed to parse %s\n%s") % (f, inst)
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if trusted:
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raise util.Abort(msg)
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self.warn(_("Ignored: %s\n") % msg)
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if trusted:
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if cdata != self.cdata:
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updateconfig(cdata, self.cdata)
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if self.ucdata is not None:
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updateconfig(cdata, self.ucdata)
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# override data from config files with data set with ui.setconfig
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if self.overlay:
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updateconfig(self.overlay, self.cdata)
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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 readsections(self, filename, *sections):
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"""Read filename and add only the specified sections to the config data
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The settings are added to the trusted config data.
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"""
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if not sections:
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return
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cdata = util.configparser()
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try:
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try:
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fp = open(filename)
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except IOError, inst:
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raise util.Abort(_("unable to open %s: %s") %
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(filename, getattr(inst, "strerror", inst)))
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try:
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cdata.readfp(fp, filename)
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finally:
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fp.close()
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except ConfigParser.ParsingError, inst:
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raise util.Abort(_("failed to parse %s\n%s") % (filename, inst))
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for section in sections:
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if not cdata.has_section(section):
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cdata.add_section(section)
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updateconfig(cdata, self.cdata, sections)
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if self.ucdata:
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updateconfig(cdata, self.ucdata, sections)
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def fixconfig(self, section=None, name=None, value=None, root=None):
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# translate paths relative to root (or home) into absolute paths
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if section is None or section == 'paths':
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if root is None:
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root = os.getcwd()
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items = section and [(name, value)] or []
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for cdata in self.cdata, self.ucdata, self.overlay:
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if not cdata: continue
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if not items and cdata.has_section('paths'):
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pathsitems = cdata.items('paths')
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else:
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pathsitems = items
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for n, path in pathsitems:
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if path and "://" not in path and not os.path.isabs(path):
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cdata.set("paths", n, os.path.join(root, path))
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# update quiet/verbose/debug and interactive status
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if section is None or section == 'ui':
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if name is None or name in ('quiet', 'verbose', 'debug'):
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self.verbosity_constraints()
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if name is None or name == 'interactive':
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self.interactive = self.configbool("ui", "interactive", True)
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# update trust information
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if (section is None or section == 'trusted') and self.trusted_users:
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for user in self.configlist('trusted', 'users'):
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self.trusted_users[user] = 1
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for group in self.configlist('trusted', 'groups'):
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self.trusted_groups[group] = 1
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def setconfig(self, section, name, value):
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if not self.overlay:
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self.overlay = util.configparser()
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for cdata in (self.overlay, self.cdata, self.ucdata):
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if not cdata: continue
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if not cdata.has_section(section):
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cdata.add_section(section)
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cdata.set(section, name, value)
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self.fixconfig(section, name, value)
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def _get_cdata(self, untrusted):
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if untrusted and self.ucdata:
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return self.ucdata
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return self.cdata
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def _config(self, section, name, default, funcname, untrusted, abort):
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cdata = self._get_cdata(untrusted)
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if cdata.has_option(section, name):
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try:
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func = getattr(cdata, funcname)
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return func(section, name)
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except ConfigParser.InterpolationError, inst:
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msg = _("Error in configuration section [%s] "
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"parameter '%s':\n%s") % (section, name, inst)
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if abort:
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raise util.Abort(msg)
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self.warn(_("Ignored: %s\n") % msg)
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return default
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def _configcommon(self, section, name, default, funcname, untrusted):
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value = self._config(section, name, default, funcname,
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untrusted, abort=True)
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if self.debugflag and not untrusted and self.ucdata:
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uvalue = self._config(section, name, None, funcname,
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untrusted=True, abort=False)
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if uvalue is not None and uvalue != value:
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self.warn(_("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 config(self, section, name, default=None, untrusted=False):
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return self._configcommon(section, name, default, 'get', untrusted)
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def configbool(self, section, name, default=False, untrusted=False):
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return self._configcommon(section, name, default, 'getboolean',
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untrusted)
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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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cdata = self._get_cdata(untrusted)
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return cdata.has_section(section)
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def _configitems(self, section, untrusted, abort):
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items = {}
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cdata = self._get_cdata(untrusted)
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if cdata.has_section(section):
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try:
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items.update(dict(cdata.items(section)))
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except ConfigParser.InterpolationError, inst:
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msg = _("Error in configuration section [%s]:\n"
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"%s") % (section, inst)
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if abort:
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raise util.Abort(msg)
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self.warn(_("Ignored: %s\n") % msg)
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return items
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def configitems(self, section, untrusted=False):
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items = self._configitems(section, untrusted=untrusted, abort=True)
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if self.debugflag and not untrusted and self.ucdata:
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uitems = self._configitems(section, untrusted=True, abort=False)
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keys = uitems.keys()
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keys.sort()
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for k in keys:
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if uitems[k] != items.get(k):
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self.warn(_("Ignoring untrusted configuration option "
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"%s.%s = %s\n") % (section, k, uitems[k]))
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x = items.items()
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x.sort()
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return x
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def walkconfig(self, untrusted=False):
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cdata = self._get_cdata(untrusted)
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sections = cdata.sections()
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sections.sort()
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for section in 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, $EMAIL
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and stop searching if one of these is set.
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If not found, use ($LOGNAME or $USER or $LNAME or
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$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:
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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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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 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.config("paths", loc)
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if not path and default is not None:
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path = self.config("paths", 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 readline(self):
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return sys.stdin.readline()[:-1]
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def prompt(self, msg, pat=None, default="y"):
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if not self.interactive: return default
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while 1:
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self.write(msg, " ")
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r = self.readline()
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if not pat or re.match(pat, r):
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return r
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else:
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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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return getpass.getpass(prompt or _('password: '))
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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 = (os.environ.get("HGEDITOR") or
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self.config("ui", "editor") or
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os.environ.get("EDITOR", "vi"))
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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()
|
|
|
t = re.sub("(?m)^HG:.*\n", "", t)
|
|
|
finally:
|
|
|
os.unlink(name)
|
|
|
|
|
|
return t
|
|
|
|
|
|
def print_exc(self):
|
|
|
'''print exception traceback if traceback printing enabled.
|
|
|
only to call in exception handler. returns true if traceback
|
|
|
printed.'''
|
|
|
if self.traceback:
|
|
|
traceback.print_exc()
|
|
|
return self.traceback
|
|
|
|