Mercurial > libervia-web
annotate libervia/web/pages/_browser/template.py @ 1619:a2cd4222c702
browser: Updates for new design:
This patch add code to handle the new design for chat.
New bridge method are used to invite users to MUC or get list of occupants.
A new modules is used for components, with a first one for collapsible cards.
rel 457
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 12 Apr 2025 00:21:45 +0200 |
| parents | 9865013da86c |
| children |
| rev | line source |
|---|---|
| 1298 | 1 """Integrate templating system using nunjucks""" |
| 2 | |
| 3 from js_modules.nunjucks import nunjucks | |
| 4 from browser import window, document | |
| 5 import javascript | |
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6 import jid |
| 1298 | 7 |
| 8 | |
| 9 safe = nunjucks.runtime.SafeString.new | |
| 10 env = nunjucks.configure( | |
| 11 window.templates_root_url, | |
| 12 { | |
| 13 'autoescape': True, | |
| 14 'trimBlocks': True, | |
| 15 'lstripBlocks': True, | |
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16 'web': {'use_cache': True}, |
| 1298 | 17 }) |
| 18 | |
| 19 nunjucks.installJinjaCompat() | |
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20 env.addGlobal("profile", window.profile) |
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21 env.addGlobal("csrf_token", window.csrf_token) |
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22 # FIXME: integrate gettext or equivalent here |
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23 env.addGlobal("_", lambda txt: txt) |
| 1298 | 24 |
| 25 | |
| 26 class Indexer: | |
| 27 """Index global to a page""" | |
| 28 | |
| 29 def __init__(self): | |
| 30 self._indexes = {} | |
| 31 | |
| 32 def next(self, value): | |
| 33 if value not in self._indexes: | |
| 34 self._indexes[value] = 0 | |
| 35 return 0 | |
| 36 self._indexes[value] += 1 | |
| 37 return self._indexes[value] | |
| 38 | |
| 39 def current(self, value): | |
| 40 return self._indexes.get(value) | |
| 41 | |
| 42 | |
| 43 gidx = Indexer() | |
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44 # suffix used to avoid collision with IDs generated in static page |
| 1298 | 45 SCRIPT_SUFF = "__script__" |
| 46 | |
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47 def escape_html(txt): |
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48 return ( |
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49 txt |
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50 .replace('&', '&') |
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51 .replace('<', '<') |
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52 .replace('>', '>') |
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53 .replace('"', '"') |
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54 ) |
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55 |
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56 |
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57 def get_args(n_args, *sig_args, **sig_kwargs): |
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58 """Retrieve function args when they are transmitted using nunjucks convention |
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59 |
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60 cf. https://mozilla.github.io/nunjucks/templating.html#keyword-arguments |
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61 @param n_args: argument from nunjucks call |
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62 @param sig_args: expected positional arguments |
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63 @param sig_kwargs: expected keyword arguments |
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64 @return: all expected arguments, with default value if not specified in nunjucks |
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65 """ |
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66 # nunjucks set kwargs in last argument |
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67 given_args = list(n_args) |
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68 try: |
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69 given_kwargs = given_args.pop().to_dict() |
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70 except (AttributeError, IndexError): |
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71 # we don't have a dict as last argument |
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72 # that happens when there is no keyword argument |
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73 given_args = list(n_args) |
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74 given_kwargs = {} |
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75 ret = given_args[:len(sig_args)] |
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76 # we check if we have remaining positional arguments |
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77 # in which case they may be specified in keyword arguments |
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78 for name in sig_args[len(given_args):]: |
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79 try: |
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80 value = given_kwargs.pop(name) |
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81 except KeyError: |
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82 raise ValueError(f"missing positional arguments {name!r}") |
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83 ret.append(value) |
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84 |
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85 extra_pos_args = given_args[len(sig_args):] |
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86 # and now the keyword arguments |
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87 for name, default in sig_kwargs.items(): |
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88 if extra_pos_args: |
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89 # kw args has been specified with a positional argument |
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90 ret.append(extra_pos_args.pop(0)) |
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91 continue |
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92 value = given_kwargs.get(name, default) |
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93 ret.append(value) |
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94 |
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95 return ret |
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96 |
| 1298 | 97 |
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98 def _bare_jid(full_jid: str|jid.JID) -> str: |
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99 """Return the bare JID""" |
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100 return str(jid.JID(str(full_jid)).bare) |
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101 |
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102 env.addFilter("bare_jid", _bare_jid) |
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103 |
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104 |
| 1619 | 105 def _initials(name: str) -> str: |
| 106 """Return the uppercased initials of a name.""" | |
| 107 name_parts = name.strip().split() | |
| 108 if not name_parts: | |
| 109 initials = "??" | |
| 110 elif len(name_parts) == 1: | |
| 111 initials = name_parts[0][:2] | |
| 112 else: | |
| 113 initials = name_parts[0][0] + name_parts[1][0] | |
| 114 return initials.upper() | |
| 115 | |
| 116 env.addFilter("initials", _initials) | |
| 117 | |
| 118 | |
| 1298 | 119 def _next_gidx(value): |
| 120 """Use next current global index as suffix""" | |
| 121 next_ = gidx.next(value) | |
| 122 return f"{value}{SCRIPT_SUFF}" if next_ == 0 else f"{value}_{SCRIPT_SUFF}{next_}" | |
| 123 | |
| 124 env.addFilter("next_gidx", _next_gidx) | |
| 125 | |
| 126 | |
| 127 def _cur_gidx(value): | |
| 128 """Use current current global index as suffix""" | |
| 129 current = gidx.current(value) | |
| 130 return f"{value}{SCRIPT_SUFF}" if not current else f"{value}_{SCRIPT_SUFF}{current}" | |
| 131 | |
| 132 env.addFilter("cur_gidx", _cur_gidx) | |
| 133 | |
| 134 | |
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135 def _xmlattr(d, autospace=True): |
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136 if not d: |
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137 return |
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138 d = d.to_dict() |
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139 ret = [''] if autospace else [] |
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140 for key, value in d.items(): |
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141 if value is not None: |
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142 ret.append(f'{escape_html(key)}="{escape_html(str(value))}"') |
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143 |
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144 return safe(' '.join(ret)) |
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145 |
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146 env.addFilter("xmlattr", _xmlattr) |
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147 |
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148 |
| 1298 | 149 def _tojson(value): |
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150 return safe(escape_html(window.JSON.stringify(value))) |
| 1298 | 151 |
| 152 env.addFilter("tojson", _tojson) | |
| 153 | |
| 154 | |
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155 def _media_type_main(value: str|None) -> str|None: |
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156 """Return main type of a media type""" |
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157 if not value: |
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158 return None |
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159 return value.partition("/")[0] |
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160 |
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161 env.addFilter("media_type_main", _media_type_main) |
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162 |
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163 |
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164 def _media_type_sub(value: str|None) -> str|None: |
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165 """Return main type of a media type""" |
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166 if not value: |
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167 return None |
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168 return value.partition("/")[1] |
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169 |
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170 env.addFilter("media_type_sub", _media_type_sub) |
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171 |
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172 |
| 1298 | 173 def _icon_use(name, cls=""): |
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174 if cls: |
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175 kwargs = cls.to_dict() |
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176 cls = kwargs.get('cls') |
| 1298 | 177 return safe( |
| 178 '<svg class="svg-icon{cls}" xmlns="http://www.w3.org/2000/svg" ' | |
| 1619 | 179 'viewBox="0 0 100 100" fill="currentColor">\n' |
| 1298 | 180 ' <use href="#{name}"/>' |
| 1619 | 181 '</svg>\n'.format(name=name.replace(" ", "_"), cls=(" " + cls) if cls else "") |
| 1298 | 182 ) |
| 183 | |
| 184 env.addGlobal("icon", _icon_use) | |
| 185 | |
| 186 | |
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187 def _date_fmt(timestamp, *args): |
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188 """Date formatting |
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189 |
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190 cf. libervia.backend.tools.common.date_utils for arguments details |
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191 """ |
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192 fmt, date_only, auto_limit, auto_old_fmt, auto_new_fmt = get_args( |
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193 args, fmt="short", date_only=False, auto_limit=7, auto_old_fmt="short", |
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194 auto_new_fmt="relative", |
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195 ) |
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196 from js_modules.moment import moment |
| 1619 | 197 # FIXME: we use `window.moment` as workaround for |
| 198 # https://github.com/brython-dev/brython/issues/2542 (see comments) | |
| 199 date = window.moment.unix(timestamp) | |
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200 |
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201 if fmt == "auto_day": |
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202 fmt, auto_limit, auto_old_fmt, auto_new_fmt = "auto", 0, "short", "HH:mm" |
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203 |
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204 if fmt == "auto": |
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205 limit = moment().startOf('day').subtract(auto_limit, 'days') |
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206 fmt = auto_old_fmt if date < limit else auto_new_fmt |
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207 |
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208 format_mapping = { |
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209 "short": "DD/MM/YY" if date_only else "DD/MM/YY HH:mm", |
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210 "medium": "DD MMM YYYY" if date_only else "DD MMM YYYY HH:mm", |
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211 "long": "D MMMM YYYY" if date_only else "D MMMM YYYY HH:mm", |
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212 "full": "dddd, D MMMM YYYY" if date_only else "dddd, D MMMM YYYY HH:mm", |
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213 "relative": date.fromNow(), |
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214 "iso": date.toISOString() if not date_only else "YYYY-MM-DD" |
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215 } |
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216 |
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217 # if `fmt` doesn't match any mapping, it's a free format |
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218 m_fmt = format_mapping.get(fmt, fmt) |
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219 |
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220 return m_fmt if fmt in ["relative", "iso"] else date.format(m_fmt) |
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221 |
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222 env.addFilter("date_fmt", _date_fmt) |
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223 |
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224 |
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225 class I18nExtension: |
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226 """Extension to handle the {% trans %}{% endtrans %} statement""" |
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227 # FIXME: for now there is no translation, this extension only returns the string |
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228 # unmodified |
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229 tags = ['trans'] |
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230 |
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231 def parse(self, parser, nodes, lexer): |
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232 tok = parser.nextToken() |
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233 args = parser.parseSignature(None, True) |
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234 parser.advanceAfterBlockEnd(tok.value) |
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235 body = parser.parseUntilBlocks('endtrans') |
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236 parser.advanceAfterBlockEnd() |
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237 return nodes.CallExtension.new(self._js_ext, 'run', args, [body]) |
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238 |
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239 def run(self, context, *args): |
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240 body = args[-1] |
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241 return body() |
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242 |
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243 @classmethod |
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244 def install(cls, env): |
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245 ext = cls() |
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246 ext_dict = { |
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247 "tags": ext.tags, |
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248 "parse": ext.parse, |
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249 "run": ext.run |
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250 } |
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251 ext._js_ext = javascript.pyobj2jsobj(ext_dict) |
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252 env.addExtension(cls.__name__, ext._js_ext) |
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253 |
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254 I18nExtension.install(env) |
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255 |
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256 |
| 1298 | 257 class Template: |
| 258 | |
| 259 def __init__(self, tpl_name): | |
| 260 self._tpl = env.getTemplate(tpl_name, True) | |
| 261 | |
| 262 def render(self, context): | |
| 263 return self._tpl.render(context) | |
| 264 | |
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265 def get_elt(self, context=None): |
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266 if context is None: |
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267 context = {} |
| 1298 | 268 raw_html = self.render(context) |
| 269 template_elt = document.createElement('template') | |
| 270 template_elt.innerHTML = raw_html | |
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271 return template_elt.content.firstElementChild |