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The cPickle is renamed to _pickle in python3 and this C extension is available in pickle which was not included in earlier versions. So imports are conditionalized to import cPickle in py2 and pickle in py3. Moreover the use of pickle in py2 is switched to cPickle as the C extension is faster. The hack is added in util.py and the modules import util.pickle
225 lines
7.0 KiB
Python
225 lines
7.0 KiB
Python
# formatter.py - generic output formatting for mercurial
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#
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# Copyright 2012 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import os
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from .i18n import _
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from .node import (
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hex,
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short,
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)
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from . import (
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encoding,
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error,
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templater,
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util,
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)
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pickle = util.pickle
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class baseformatter(object):
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def __init__(self, ui, topic, opts):
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self._ui = ui
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self._topic = topic
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self._style = opts.get("style")
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self._template = opts.get("template")
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self._item = None
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# function to convert node to string suitable for this output
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self.hexfunc = hex
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def __nonzero__(self):
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'''return False if we're not doing real templating so we can
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skip extra work'''
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return True
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def _showitem(self):
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'''show a formatted item once all data is collected'''
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pass
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def startitem(self):
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'''begin an item in the format list'''
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if self._item is not None:
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self._showitem()
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self._item = {}
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def data(self, **data):
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'''insert data into item that's not shown in default output'''
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self._item.update(data)
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def write(self, fields, deftext, *fielddata, **opts):
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'''do default text output while assigning data to item'''
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fieldkeys = fields.split()
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assert len(fieldkeys) == len(fielddata)
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self._item.update(zip(fieldkeys, fielddata))
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def condwrite(self, cond, fields, deftext, *fielddata, **opts):
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'''do conditional write (primarily for plain formatter)'''
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fieldkeys = fields.split()
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assert len(fieldkeys) == len(fielddata)
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self._item.update(zip(fieldkeys, fielddata))
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def plain(self, text, **opts):
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'''show raw text for non-templated mode'''
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pass
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def end(self):
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'''end output for the formatter'''
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if self._item is not None:
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self._showitem()
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class plainformatter(baseformatter):
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'''the default text output scheme'''
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def __init__(self, ui, topic, opts):
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baseformatter.__init__(self, ui, topic, opts)
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if ui.debugflag:
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self.hexfunc = hex
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else:
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self.hexfunc = short
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def __nonzero__(self):
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return False
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def startitem(self):
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pass
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def data(self, **data):
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pass
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def write(self, fields, deftext, *fielddata, **opts):
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self._ui.write(deftext % fielddata, **opts)
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def condwrite(self, cond, fields, deftext, *fielddata, **opts):
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'''do conditional write'''
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if cond:
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self._ui.write(deftext % fielddata, **opts)
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def plain(self, text, **opts):
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self._ui.write(text, **opts)
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def end(self):
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pass
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class debugformatter(baseformatter):
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def __init__(self, ui, topic, opts):
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baseformatter.__init__(self, ui, topic, opts)
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self._ui.write("%s = [\n" % self._topic)
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def _showitem(self):
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self._ui.write(" " + repr(self._item) + ",\n")
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def end(self):
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baseformatter.end(self)
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self._ui.write("]\n")
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class pickleformatter(baseformatter):
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def __init__(self, ui, topic, opts):
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baseformatter.__init__(self, ui, topic, opts)
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self._data = []
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def _showitem(self):
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self._data.append(self._item)
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def end(self):
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baseformatter.end(self)
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self._ui.write(pickle.dumps(self._data))
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def _jsonifyobj(v):
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if isinstance(v, tuple):
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return '[' + ', '.join(_jsonifyobj(e) for e in v) + ']'
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elif v is None:
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return 'null'
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elif v is True:
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return 'true'
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elif v is False:
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return 'false'
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elif isinstance(v, (int, float)):
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return str(v)
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else:
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return '"%s"' % encoding.jsonescape(v)
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class jsonformatter(baseformatter):
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def __init__(self, ui, topic, opts):
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baseformatter.__init__(self, ui, topic, opts)
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self._ui.write("[")
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self._ui._first = True
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def _showitem(self):
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if self._ui._first:
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self._ui._first = False
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else:
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self._ui.write(",")
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self._ui.write("\n {\n")
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first = True
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for k, v in sorted(self._item.items()):
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if first:
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first = False
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else:
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self._ui.write(",\n")
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self._ui.write(' "%s": %s' % (k, _jsonifyobj(v)))
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self._ui.write("\n }")
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def end(self):
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baseformatter.end(self)
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self._ui.write("\n]\n")
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class templateformatter(baseformatter):
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def __init__(self, ui, topic, opts):
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baseformatter.__init__(self, ui, topic, opts)
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self._topic = topic
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self._t = gettemplater(ui, topic, opts.get('template', ''))
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def _showitem(self):
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g = self._t(self._topic, ui=self._ui, **self._item)
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self._ui.write(templater.stringify(g))
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def lookuptemplate(ui, topic, tmpl):
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# looks like a literal template?
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if '{' in tmpl:
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return tmpl, None
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# perhaps a stock style?
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if not os.path.split(tmpl)[0]:
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mapname = (templater.templatepath('map-cmdline.' + tmpl)
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or templater.templatepath(tmpl))
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if mapname and os.path.isfile(mapname):
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return None, mapname
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# perhaps it's a reference to [templates]
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t = ui.config('templates', tmpl)
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if t:
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return templater.unquotestring(t), None
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if tmpl == 'list':
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ui.write(_("available styles: %s\n") % templater.stylelist())
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raise error.Abort(_("specify a template"))
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# perhaps it's a path to a map or a template
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if ('/' in tmpl or '\\' in tmpl) and os.path.isfile(tmpl):
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# is it a mapfile for a style?
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if os.path.basename(tmpl).startswith("map-"):
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return None, os.path.realpath(tmpl)
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tmpl = open(tmpl).read()
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return tmpl, None
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# constant string?
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return tmpl, None
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def gettemplater(ui, topic, spec):
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tmpl, mapfile = lookuptemplate(ui, topic, spec)
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assert not (tmpl and mapfile)
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if mapfile:
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return templater.templater.frommapfile(mapfile)
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return maketemplater(ui, topic, tmpl)
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def maketemplater(ui, topic, tmpl, filters=None, cache=None):
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"""Create a templater from a string template 'tmpl'"""
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aliases = ui.configitems('templatealias')
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t = templater.templater(filters=filters, cache=cache, aliases=aliases)
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if tmpl:
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t.cache[topic] = tmpl
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return t
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def formatter(ui, topic, opts):
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template = opts.get("template", "")
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if template == "json":
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return jsonformatter(ui, topic, opts)
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elif template == "pickle":
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return pickleformatter(ui, topic, opts)
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elif template == "debug":
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return debugformatter(ui, topic, opts)
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elif template != "":
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return templateformatter(ui, topic, opts)
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# developer config: ui.formatdebug
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elif ui.configbool('ui', 'formatdebug'):
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return debugformatter(ui, topic, opts)
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# deprecated config: ui.formatjson
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elif ui.configbool('ui', 'formatjson'):
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return jsonformatter(ui, topic, opts)
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return plainformatter(ui, topic, opts)
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