Mercurial > traipse_dev
view upmana/mercurial/templater.py @ 246:712df3d5b54c beta
Traipse Beta 'OpenRPG' {101130-01}
Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user.
Update Summary (Closed)
New Features:
New to Map, can re-order Grid, Miniatures, and Whiteboard layer draw order
New to Server GUI, can now clear log
New Earthdawn Dieroller
New IronClaw roller, sheet, and image
New ShapeShifter PC Sheet
Updates:
Update to Warhammer PC Sheet. Rollers set as macros. Should work with little maintanence.
Update to Browser Server window. Display rooms with ' " & cleaner
Update to Server. Handles ' " & cleaner
Update to Dieroller. Cleaner, more effecient expression system
Update to Hidden Die plugin, allows for non standard dice rolls
Update to location.py, allows for more portable references when starting Traipse
Update to the Features node
Fixes:
Fix to InterParse that was causing an Infernal Loop with Namespace Internal
Fix to XML data, removed old Minidom and switched to Element Tree
Fix to Server that was causing eternal attempt to find a Server ID, in Register Rooms thread
Fix to metaservers.xml file not being created
Fix to Single and Double quotes in Whiteboard text
Fix to Background images not showing when using the Image Server
Fix to Duplicate chat names appearing
Fix to Server GUI's logging output
Fix to FNB.COLORFUL_TABS bug
Fix to Gametree for XSLT Sheets
Fix to Gametree for locating gametree files
Fix to Send to Chat from Gametree
Fix to Gametree, renaming and remapping operates correctly
Fix to aliaslib, prevents error caused when SafeHTML is sent None
author | sirebral |
---|---|
date | Tue, 30 Nov 2010 03:49:02 -0600 |
parents | dcf4fbe09b70 |
children |
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# templater.py - template expansion for output # # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. from i18n import _ import re, sys, os import util, config, templatefilters path = ['templates', '../templates'] stringify = templatefilters.stringify def parsestring(s, quoted=True): '''parse a string using simple c-like syntax. string must be in quotes if quoted is True.''' if quoted: if len(s) < 2 or s[0] != s[-1]: raise SyntaxError(_('unmatched quotes')) return s[1:-1].decode('string_escape') return s.decode('string_escape') class engine(object): '''template expansion engine. template expansion works like this. a map file contains key=value pairs. if value is quoted, it is treated as string. otherwise, it is treated as name of template file. templater is asked to expand a key in map. it looks up key, and looks for strings like this: {foo}. it expands {foo} by looking up foo in map, and substituting it. expansion is recursive: it stops when there is no more {foo} to replace. expansion also allows formatting and filtering. format uses key to expand each item in list. syntax is {key%format}. filter uses function to transform value. syntax is {key|filter1|filter2|...}.''' template_re = re.compile(r'{([\w\|%]+)}|#([\w\|%]+)#') def __init__(self, loader, filters={}, defaults={}): self.loader = loader self.filters = filters self.defaults = defaults self.cache = {} def process(self, t, map): '''Perform expansion. t is name of map element to expand. map contains added elements for use during expansion. Is a generator.''' tmpl = self.loader(t) iters = [self._process(tmpl, map)] while iters: try: item = iters[0].next() except StopIteration: iters.pop(0) continue if isinstance(item, str): yield item elif item is None: yield '' elif hasattr(item, '__iter__'): iters.insert(0, iter(item)) else: yield str(item) def _format(self, expr, get, map): key, format = expr.split('%') v = get(key) if not hasattr(v, '__iter__'): raise SyntaxError(_("error expanding '%s%%%s'") % (key, format)) lm = map.copy() for i in v: lm.update(i) yield self.process(format, lm) def _filter(self, expr, get, map): if expr not in self.cache: parts = expr.split('|') val = parts[0] try: filters = [self.filters[f] for f in parts[1:]] except KeyError, i: raise SyntaxError(_("unknown filter '%s'") % i[0]) def apply(get): x = get(val) for f in filters: x = f(x) return x self.cache[expr] = apply return self.cache[expr](get) def _process(self, tmpl, map): '''Render a template. Returns a generator.''' def get(key): v = map.get(key) if v is None: v = self.defaults.get(key, '') if hasattr(v, '__call__'): v = v(**map) return v while tmpl: m = self.template_re.search(tmpl) if not m: yield tmpl break start, end = m.span(0) variants = m.groups() expr = variants[0] or variants[1] if start: yield tmpl[:start] tmpl = tmpl[end:] if '%' in expr: yield self._format(expr, get, map) elif '|' in expr: yield self._filter(expr, get, map) else: yield get(expr) engines = {'default': engine} class templater(object): def __init__(self, mapfile, filters={}, defaults={}, cache={}, minchunk=1024, maxchunk=65536): '''set up template engine. mapfile is name of file to read map definitions from. filters is dict of functions. each transforms a value into another. defaults is dict of default map definitions.''' self.mapfile = mapfile or 'template' self.cache = cache.copy() self.map = {} self.base = (mapfile and os.path.dirname(mapfile)) or '' self.filters = templatefilters.filters.copy() self.filters.update(filters) self.defaults = defaults self.minchunk, self.maxchunk = minchunk, maxchunk self.engines = {} if not mapfile: return if not os.path.exists(mapfile): raise util.Abort(_('style not found: %s') % mapfile) conf = config.config() conf.read(mapfile) for key, val in conf[''].items(): if val[0] in "'\"": try: self.cache[key] = parsestring(val) except SyntaxError, inst: raise SyntaxError('%s: %s' % (conf.source('', key), inst.args[0])) else: val = 'default', val if ':' in val[1]: val = val[1].split(':', 1) self.map[key] = val[0], os.path.join(self.base, val[1]) def __contains__(self, key): return key in self.cache or key in self.map def load(self, t): '''Get the template for the given template name. Use a local cache.''' if not t in self.cache: try: self.cache[t] = open(self.map[t][1]).read() except IOError, inst: raise IOError(inst.args[0], _('template file %s: %s') % (self.map[t][1], inst.args[1])) return self.cache[t] def __call__(self, t, **map): ttype = t in self.map and self.map[t][0] or 'default' proc = self.engines.get(ttype) if proc is None: proc = engines[ttype](self.load, self.filters, self.defaults) self.engines[ttype] = proc stream = proc.process(t, map) if self.minchunk: stream = util.increasingchunks(stream, min=self.minchunk, max=self.maxchunk) return stream def templatepath(name=None): '''return location of template file or directory (if no name). returns None if not found.''' normpaths = [] # executable version (py2exe) doesn't support __file__ if hasattr(sys, 'frozen'): module = sys.executable else: module = __file__ for f in path: if f.startswith('/'): p = f else: fl = f.split('/') p = os.path.join(os.path.dirname(module), *fl) if name: p = os.path.join(p, name) if name and os.path.exists(p): return os.path.normpath(p) elif os.path.isdir(p): normpaths.append(os.path.normpath(p)) return normpaths def stylemap(style, paths=None): """Return path to mapfile for a given style. Searches mapfile in the following locations: 1. templatepath/style/map 2. templatepath/map-style 3. templatepath/map """ if paths is None: paths = templatepath() elif isinstance(paths, str): paths = [paths] locations = style and [os.path.join(style, "map"), "map-" + style] or [] locations.append("map") for path in paths: for location in locations: mapfile = os.path.join(path, location) if os.path.isfile(mapfile): return mapfile raise RuntimeError("No hgweb templates found in %r" % paths)