mercurial/ui.py
author Matt Mackall <mpm@selenic.com>
Sun, 26 Apr 2009 16:50:44 -0500
changeset 8202 4746113269c7
parent 8201 7cf2b987acd3
child 8203 3377fa11af67
permissions -rw-r--r--
ui: buffers -> _buffers
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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 config, traceback, 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.interactive = self.report_untrusted = True
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        self.overlay = config.config()
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        self.cdata = config.config()
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        self.ucdata = config.config()
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        self._trustusers = {}
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        self._trustgroups = {}
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        if src:
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            self.cdata = src.cdata.copy()
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            self.ucdata = src.ucdata.copy()
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            self.overlay = src.overlay.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 ui(self)
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    _isatty = None
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    def isatty(self):
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        if ui._isatty is None:
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            try:
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                ui._isatty = sys.stdin.isatty()
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            except AttributeError: # not a real file object
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                ui._isatty = False
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            except IOError:
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                # access to stdin is unsafe in a WSGI environment
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                ui._isatty = False
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        return ui._isatty
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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(fp, 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.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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    def readconfig(self, filename, root=None, trust=False,
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                   sections = 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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        cdata = 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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            cdata.read(filename, fp, sections=sections)
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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.cdata.update(cdata)
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            self.cdata.update(self.overlay)
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        self.ucdata.update(cdata)
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        self.ucdata.update(self.overlay)
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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.cdata, self.ucdata, self.overlay:
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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.report_untrusted = self.configbool("ui", "report_untrusted", True)
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        self.interactive = self.configbool("ui", "interactive", self.isatty())
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        self.traceback = self.configbool('ui', 'traceback', False)
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        # update trust information
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        for user in self.configlist('trusted', 'users'):
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            self._trustusers[user] = 1
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        for group in self.configlist('trusted', 'groups'):
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            self._trustgroups[group] = 1
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    def setconfig(self, section, name, value):
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        for cdata in (self.overlay, self.cdata, self.ucdata):
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            cdata.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.ucdata or self.cdata
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diff changeset
   131
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   132
    def configsource(self, section, name, untrusted=False):
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diff changeset
   133
        return self._data(untrusted).source(section, name) or 'none'
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diff changeset
   134
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   135
    def config(self, section, name, default=None, untrusted=False):
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diff changeset
   136
        value = self._data(untrusted).get(section, name, default)
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   137
        if self.debugflag and not untrusted:
8144
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diff changeset
   138
            uvalue = self.ucdata.get(section, name)
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diff changeset
   139
            if uvalue is not None and uvalue != value:
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   140
                self.warn(_("Ignoring untrusted configuration option "
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   141
                            "%s.%s = %s\n") % (section, name, uvalue))
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diff changeset
   142
        return value
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a7cec14c9b40 ui.py: move common code out of config and configbool
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parents: 3340
diff changeset
   143
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   144
    def configbool(self, section, name, default=False, untrusted=False):
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   145
        v = self.config(section, name, None, untrusted)
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   146
        if v == None:
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   147
            return default
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   148
        if v.lower() not in _booleans:
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   149
            raise error.ConfigError(_("%s.%s not a boolean ('%s')")
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   150
                                    % (section, name, v))
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diff changeset
   151
        return _booleans[v.lower()]
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parents: 3551
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   152
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   153
    def configlist(self, section, name, default=None, untrusted=False):
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894435215344 Added ui.configlist method to get comma/space separated lists of strings.
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parents: 2498
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   154
        """Return a list of comma/space separated strings"""
3552
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parents: 3551
diff changeset
   155
        result = self.config(section, name, untrusted=untrusted)
2499
894435215344 Added ui.configlist method to get comma/space separated lists of strings.
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parents: 2498
diff changeset
   156
        if result is None:
2502
18cf95ad3666 Allow using default values with ui.configlist, too, and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2499
diff changeset
   157
            result = default or []
18cf95ad3666 Allow using default values with ui.configlist, too, and add a test for this.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2499
diff changeset
   158
        if isinstance(result, basestring):
18cf95ad3666 Allow using default values with ui.configlist, too, and add a test for this.
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parents: 2499
diff changeset
   159
            result = result.replace(",", " ").split()
18cf95ad3666 Allow using default values with ui.configlist, too, and add a test for this.
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parents: 2499
diff changeset
   160
        return result
2499
894435215344 Added ui.configlist method to get comma/space separated lists of strings.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2498
diff changeset
   161
4487
1b5b98837bb5 ui: Rename has_config to has_section.
Bryan O'Sullivan <bos@serpentine.com>
parents: 4258
diff changeset
   162
    def has_section(self, section, untrusted=False):
2343
af81d8770620 add ui.has_config method.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2335
diff changeset
   163
        '''tell whether section exists in config.'''
8199
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parents: 8198
diff changeset
   164
        return section in self._data(untrusted)
3552
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parents: 3551
diff changeset
   165
9b52239dc740 save settings from untrusted config files in a separate configparser
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parents: 3551
diff changeset
   166
    def configitems(self, section, untrusted=False):
8199
e9f90e5989d9 ui: _get_cdata -> _data
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parents: 8198
diff changeset
   167
        items = self._data(untrusted).items(section)
8139
9302404b60f3 ui: always have ucdata
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parents: 8138
diff changeset
   168
        if self.debugflag and not untrusted:
8144
fca54469480e ui: introduce new config parser
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parents: 8143
diff changeset
   169
            for k,v in self.ucdata.items(section):
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parents: 8143
diff changeset
   170
                if self.cdata.get(section, k) != v:
3552
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parents: 3551
diff changeset
   171
                    self.warn(_("Ignoring untrusted configuration option "
8144
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parents: 8143
diff changeset
   172
                                "%s.%s = %s\n") % (section, k, v))
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parents: 8143
diff changeset
   173
        return items
285
5a1e6d27f399 ui: add configuration file support
mpm@selenic.com
parents: 249
diff changeset
   174
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parents: 3551
diff changeset
   175
    def walkconfig(self, untrusted=False):
8199
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parents: 8198
diff changeset
   176
        cdata = self._data(untrusted)
8144
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parents: 8143
diff changeset
   177
        for section in cdata.sections():
3552
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parents: 3551
diff changeset
   178
            for name, value in self.configitems(section, untrusted):
4085
719488a98ebe Fix hg showconfig traceback with values that aren't strings
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 4045
diff changeset
   179
                yield section, name, str(value).replace('\n', '\\n')
1028
25e7ea0f2cff Add commands.debugconfig.
Bryan O'Sullivan <bos@serpentine.com>
parents: 981
diff changeset
   180
608
d2994b5298fb Add username/merge/editor to .hgrc
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parents: 565
diff changeset
   181
    def username(self):
1985
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1984
diff changeset
   182
        """Return default username to be used in commits.
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   183
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   184
        Searched in this order: $HGUSER, [ui] section of hgrcs, $EMAIL
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   185
        and stop searching if one of these is set.
6862
7192876ac329 ui: add an option to prompt for the username when it isn't provided
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6762
diff changeset
   186
        If not found and ui.askusername is True, ask the user, else use
7192876ac329 ui: add an option to prompt for the username when it isn't provided
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6762
diff changeset
   187
        ($LOGNAME or $USER or $LNAME or $USERNAME) + "@full.hostname".
1985
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   188
        """
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   189
        user = os.environ.get("HGUSER")
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   190
        if user is None:
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
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parents: 1984
diff changeset
   191
            user = self.config("ui", "username")
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1984
diff changeset
   192
        if user is None:
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1984
diff changeset
   193
            user = os.environ.get("EMAIL")
6862
7192876ac329 ui: add an option to prompt for the username when it isn't provided
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6762
diff changeset
   194
        if user is None and self.configbool("ui", "askusername"):
7600
f7739cf3833c lowercase prompts
Martin Geisler <mg@daimi.au.dk>
parents: 7497
diff changeset
   195
            user = self.prompt(_("enter a commit username:"), default=None)
4044
78a0dd93db0b Abort on empty username so specifying a username can be forced.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3984
diff changeset
   196
        if user is None:
3721
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3678
diff changeset
   197
            try:
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3678
diff changeset
   198
                user = '%s@%s' % (util.getuser(), socket.getfqdn())
4044
78a0dd93db0b Abort on empty username so specifying a username can be forced.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3984
diff changeset
   199
                self.warn(_("No username found, using '%s' instead\n") % user)
3721
98f2507c5551 only print a warning when no username is specified
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3678
diff changeset
   200
            except KeyError:
4044
78a0dd93db0b Abort on empty username so specifying a username can be forced.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3984
diff changeset
   201
                pass
78a0dd93db0b Abort on empty username so specifying a username can be forced.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3984
diff changeset
   202
        if not user:
78a0dd93db0b Abort on empty username so specifying a username can be forced.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3984
diff changeset
   203
            raise util.Abort(_("Please specify a username."))
6351
eed0a6a05096 ui: disallow newlines in usernames (issue1034)
Matt Mackall <mpm@selenic.com>
parents: 6333
diff changeset
   204
        if "\n" in user:
7470
1d58c0491d5e use repr() instead of backticks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7320
diff changeset
   205
            raise util.Abort(_("username %s contains a newline\n") % repr(user))
1985
c577689006fa Adapted behaviour of ui.username() to documentation and mention it explicitly:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1984
diff changeset
   206
        return user
608
d2994b5298fb Add username/merge/editor to .hgrc
Matt Mackall <mpm@selenic.com>
parents: 565
diff changeset
   207
1129
ee4f60abad93 Move generating short username to display in hg/hgweb annotate to ui module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1071
diff changeset
   208
    def shortuser(self, user):
ee4f60abad93 Move generating short username to display in hg/hgweb annotate to ui module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1071
diff changeset
   209
        """Return a short representation of a user name or email address."""
1903
e4abeafd6eb1 move shortuser into util module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1637
diff changeset
   210
        if not self.verbose: user = util.shortuser(user)
1129
ee4f60abad93 Move generating short username to display in hg/hgweb annotate to ui module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1071
diff changeset
   211
        return user
ee4f60abad93 Move generating short username to display in hg/hgweb annotate to ui module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1071
diff changeset
   212
8196
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   213
    def _path(self, loc):
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   214
        p = self.config('paths', loc)
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   215
        if p and '%%' in p:
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   216
            ui.warn('(deprecated \'\%\%\' in path %s=%s from %s)\n' %
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   217
                    (loc, p, self.configsource('paths', loc)))
8197
d94f17c27505 ui: simplify fixconfig
Matt Mackall <mpm@selenic.com>
parents: 8196
diff changeset
   218
            p = p.replace('%%', '%')
8196
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   219
        return p
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   220
2494
73ac95671788 push, outgoing, bundle: fall back to "default" if "default-push" not defined
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2470
diff changeset
   221
    def expandpath(self, loc, default=None):
1892
622ee75cb4c9 Directory names take precedence over symbolic names consistently.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1882
diff changeset
   222
        """Return repository location relative to cwd or from [paths]"""
4216
76d541c6f3c0 Only hg repositories override [paths], not simple directories (fixes issue510)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4044
diff changeset
   223
        if "://" in loc or os.path.isdir(os.path.join(loc, '.hg')):
1892
622ee75cb4c9 Directory names take precedence over symbolic names consistently.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1882
diff changeset
   224
            return loc
622ee75cb4c9 Directory names take precedence over symbolic names consistently.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1882
diff changeset
   225
8196
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   226
        path = self._path(loc)
2495
4a2a4d988ead make ui.expandpath better with default path.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2494
diff changeset
   227
        if not path and default is not None:
8196
b7c85a809a54 ui: fix-up and warn about deprecated %%
Matt Mackall <mpm@selenic.com>
parents: 8193
diff changeset
   228
            path = self._path(default)
2498
1e2ec4fd16df Fix ui.expandpath problem and broken test introduced by 4a2a4d988ead.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2495
diff changeset
   229
        return path or loc
506
1f81ebff98c9 [PATCH] Add ui.expandpath command
mpm@selenic.com
parents: 350
diff changeset
   230
3737
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   231
    def pushbuffer(self):
8202
4746113269c7 ui: buffers -> _buffers
Matt Mackall <mpm@selenic.com>
parents: 8201
diff changeset
   232
        self._buffers.append([])
3737
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   233
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   234
    def popbuffer(self):
8202
4746113269c7 ui: buffers -> _buffers
Matt Mackall <mpm@selenic.com>
parents: 8201
diff changeset
   235
        return "".join(self._buffers.pop())
3737
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   236
207
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   237
    def write(self, *args):
8202
4746113269c7 ui: buffers -> _buffers
Matt Mackall <mpm@selenic.com>
parents: 8201
diff changeset
   238
        if self._buffers:
4746113269c7 ui: buffers -> _buffers
Matt Mackall <mpm@selenic.com>
parents: 8201
diff changeset
   239
            self._buffers[-1].extend([str(a) for a in args])
3737
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   240
        else:
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   241
            for a in args:
9f5c46c50118 add a simple nested buffering scheme to ui
Matt Mackall <mpm@selenic.com>
parents: 3721
diff changeset
   242
                sys.stdout.write(str(a))
565
9a80418646dd [PATCH] Make ui.warn write to stderr
mpm@selenic.com
parents: 515
diff changeset
   243
9a80418646dd [PATCH] Make ui.warn write to stderr
mpm@selenic.com
parents: 515
diff changeset
   244
    def write_err(self, *args):
1989
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   245
        try:
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   246
            if not sys.stdout.closed: sys.stdout.flush()
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   247
            for a in args:
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   248
                sys.stderr.write(str(a))
4023
6ea8a3b805ee Flush stderr after write.
Patrick Mezard <pmezard@gmail.com>
parents: 3989
diff changeset
   249
            # stderr may be buffered under win32 when redirected to files,
6ea8a3b805ee Flush stderr after write.
Patrick Mezard <pmezard@gmail.com>
parents: 3989
diff changeset
   250
            # including stdout.
6ea8a3b805ee Flush stderr after write.
Patrick Mezard <pmezard@gmail.com>
parents: 3989
diff changeset
   251
            if not sys.stderr.closed: sys.stderr.flush()
1989
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   252
        except IOError, inst:
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   253
            if inst.errno != errno.EPIPE:
0541768fa558 ignore EPIPE in ui.err_write
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1985
diff changeset
   254
                raise
565
9a80418646dd [PATCH] Make ui.warn write to stderr
mpm@selenic.com
parents: 515
diff changeset
   255
1837
6f67a4c93493 make ui flush output. this makes error happen if printing to /dev/full.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1637
diff changeset
   256
    def flush(self):
2013
65634e1038dd Fix error on Windows if "hg log | more" exits.
Eung-Ju Park <eungju@gmail.com>
parents: 2003
diff changeset
   257
        try: sys.stdout.flush()
65634e1038dd Fix error on Windows if "hg log | more" exits.
Eung-Ju Park <eungju@gmail.com>
parents: 2003
diff changeset
   258
        except: pass
65634e1038dd Fix error on Windows if "hg log | more" exits.
Eung-Ju Park <eungju@gmail.com>
parents: 2003
diff changeset
   259
        try: sys.stderr.flush()
65634e1038dd Fix error on Windows if "hg log | more" exits.
Eung-Ju Park <eungju@gmail.com>
parents: 2003
diff changeset
   260
        except: pass
1837
6f67a4c93493 make ui flush output. this makes error happen if printing to /dev/full.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1637
diff changeset
   261
5337
8c5ef3b87cb1 Don't try to determine interactivity if ui() called with interactive=False.
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5154
diff changeset
   262
    def _readline(self, prompt=''):
5036
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   263
        if self.isatty():
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   264
            try:
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   265
                # magically add command line editing support, where
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   266
                # available
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   267
                import readline
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   268
                # force demandimport to really load the module
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   269
                readline.read_history_file
7496
0a27d0db256d issue1419: catch strange readline import error on windows
Brendan Cully <brendan@kublai.com>
parents: 7320
diff changeset
   270
                # windows sometimes raises something other than ImportError
0a27d0db256d issue1419: catch strange readline import error on windows
Brendan Cully <brendan@kublai.com>
parents: 7320
diff changeset
   271
            except Exception:
5036
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   272
                pass
5613
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   273
        line = raw_input(prompt)
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   274
        # When stdin is in binary mode on Windows, it can cause
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   275
        # raw_input() to emit an extra trailing carriage return
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   276
        if os.linesep == '\r\n' and line and line[-1] == '\r':
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   277
            line = line[:-1]
2e76e5a23c2b workaround for raw_input() on Windows
Steve Borho <steve@borho.org>
parents: 5337
diff changeset
   278
        return line
5036
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   279
5751
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   280
    def prompt(self, msg, pat=None, default="y"):
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   281
        """Prompt user with msg, read response, and ensure it matches pat
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   282
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   283
        If not interactive -- the default is returned
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   284
        """
7320
8dca507e56ce ui: log non-interactive default response to stdout when verbose
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 6862
diff changeset
   285
        if not self.interactive:
8dca507e56ce ui: log non-interactive default response to stdout when verbose
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 6862
diff changeset
   286
            self.note(msg, ' ', default, "\n")
8dca507e56ce ui: log non-interactive default response to stdout when verbose
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 6862
diff changeset
   287
            return default
5671
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   288
        while True:
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   289
            try:
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   290
                r = self._readline(msg + ' ')
5709
9dc26941020b ui: allow default when prompting
Matt Mackall <mpm@selenic.com>
parents: 5696
diff changeset
   291
                if not r:
9dc26941020b ui: allow default when prompting
Matt Mackall <mpm@selenic.com>
parents: 5696
diff changeset
   292
                    return default
5751
bc475d1f74ca prompt: kill matchflags
Kirill Smelkov <kirr@mns.spb.ru>
parents: 5709
diff changeset
   293
                if not pat or re.match(pat, r):
5671
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   294
                    return r
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   295
                else:
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   296
                    self.write(_("unrecognized response\n"))
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   297
            except EOFError:
b5605d88dc27 Make ui.prompt repeat on "unrecognized response" again (issue897)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 5337
diff changeset
   298
                raise util.Abort(_('response expected'))
5036
ca0d02222d6a ui: get readline and prompt to behave better depending on interactivity
Bryan O'Sullivan <bos@serpentine.com>
parents: 4729
diff changeset
   299
2281
7761597b5da3 prompt user for http authentication info
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2206
diff changeset
   300
    def getpass(self, prompt=None, default=None):
7761597b5da3 prompt user for http authentication info
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2206
diff changeset
   301
        if not self.interactive: return default
7798
57fee79e5588 catch CTRL-D at password prompt
Steve Borho <steve@borho.org>
parents: 7600
diff changeset
   302
        try:
57fee79e5588 catch CTRL-D at password prompt
Steve Borho <steve@borho.org>
parents: 7600
diff changeset
   303
            return getpass.getpass(prompt or _('password: '))
57fee79e5588 catch CTRL-D at password prompt
Steve Borho <steve@borho.org>
parents: 7600
diff changeset
   304
        except EOFError:
57fee79e5588 catch CTRL-D at password prompt
Steve Borho <steve@borho.org>
parents: 7600
diff changeset
   305
            raise util.Abort(_('response expected'))
207
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   306
    def status(self, *msg):
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   307
        if not self.quiet: self.write(*msg)
234
3427806d5ab9 ui.warn can use more than one argument like the other ui methods.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 207
diff changeset
   308
    def warn(self, *msg):
565
9a80418646dd [PATCH] Make ui.warn write to stderr
mpm@selenic.com
parents: 515
diff changeset
   309
        self.write_err(*msg)
207
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   310
    def note(self, *msg):
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   311
        if self.verbose: self.write(*msg)
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   312
    def debug(self, *msg):
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   313
        if self.debugflag: self.write(*msg)
1983
ae12a81549a7 Pass correct username as $HGUSER to hgeditor if "commit -u" is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1951
diff changeset
   314
    def edit(self, text, user):
2206
c74e91e81f70 Use text rather than binary mode for editing commit messages
Stephen Darnell <stephen@darnell.plus.com>
parents: 2201
diff changeset
   315
        (fd, name) = tempfile.mkstemp(prefix="hg-editor-", suffix=".txt",
c74e91e81f70 Use text rather than binary mode for editing commit messages
Stephen Darnell <stephen@darnell.plus.com>
parents: 2201
diff changeset
   316
                                      text=True)
1984
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   317
        try:
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   318
            f = os.fdopen(fd, "w")
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   319
            f.write(text)
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   320
            f.close()
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   321
5660
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   322
            editor = self.geteditor()
207
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   323
1984
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   324
            util.system("%s \"%s\"" % (editor, name),
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   325
                        environ={'HGUSER': user},
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   326
                        onerr=util.Abort, errprefix=_("edit failed"))
608
d2994b5298fb Add username/merge/editor to .hgrc
Matt Mackall <mpm@selenic.com>
parents: 565
diff changeset
   327
1984
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   328
            f = open(name)
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   329
            t = f.read()
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   330
            f.close()
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   331
            t = re.sub("(?m)^HG:.*\n", "", t)
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   332
        finally:
df7436f439a0 Improved ui.edit():
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1983
diff changeset
   333
            os.unlink(name)
662
b55a78595ef6 Pass username to hgeditor, remove temporary file
Radoslaw "AstralStorm" Szkodzinski <astralstorm@gorzow.mm.pl>
parents: 613
diff changeset
   334
207
ec327cf0d3a9 Move ui class to its own module
mpm@selenic.com
parents:
diff changeset
   335
        return t
2200
9f43b6e24232 move mail sending code into core, so extensions can share it.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2166
diff changeset
   336
2335
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   337
    def print_exc(self):
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   338
        '''print exception traceback if traceback printing enabled.
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   339
        only to call in exception handler. returns true if traceback
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   340
        printed.'''
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   341
        if self.traceback:
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   342
            traceback.print_exc()
f0680b2d1d64 add ui.print_exc(), make all traceback printing central.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2293
diff changeset
   343
        return self.traceback
5660
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   344
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   345
    def geteditor(self):
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   346
        '''return editor to use'''
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   347
        return (os.environ.get("HGEDITOR") or
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   348
                self.config("ui", "editor") or
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   349
                os.environ.get("VISUAL") or
3c80ecdc1bcd Use VISUAL in addition to EDITOR when choosing the editor to use.
Osku Salerma <osku@iki.fi>
parents: 5613
diff changeset
   350
                os.environ.get("EDITOR", "vi"))