| | 301 | Index: trac/web/api.py |
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| | 302 | =================================================================== |
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| | 303 | --- trac/web/api.py (.../vendor/trac-0.9.4) (revision 25) |
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| | 304 | +++ trac/web/api.py (.../branches/wikiflowpatch/0.9.4) (working copy) |
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| | 305 | @@ -240,7 +240,16 @@ |
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| | 306 | simply send the response itself and not return anything. |
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| | 307 | """ |
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| | 308 | |
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| | 309 | +class IRequestPostProcessor(Interface): |
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| | 310 | + """Extension point interface for request post-processors. |
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| | 311 | + Provides a clean way to override rendering behavior of existing |
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| | 312 | + components.""" |
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| | 313 | |
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| | 314 | + def process(req, template, content_type): |
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| | 315 | + """Do any post-processing the request might need; typically |
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| | 316 | + adding values to req.hdf, or changing template or mime type. |
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| | 317 | + Always returns template and content type, even if unchanged.""" |
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| | 318 | + |
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| | 319 | def absolute_url(req, path=None): |
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| | 320 | """Reconstruct the absolute URL of the given request. |
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| | 321 | |
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| | 322 | Index: trac/web/main.py |
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| | 323 | =================================================================== |
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| | 324 | --- trac/web/main.py (.../vendor/trac-0.9.4) (revision 25) |
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| | 325 | +++ trac/web/main.py (.../branches/wikiflowpatch/0.9.4) (working copy) |
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| | 326 | @@ -23,7 +23,7 @@ |
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| | 327 | from trac.perm import PermissionCache, PermissionError |
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| | 328 | from trac.util import escape, enum, format_datetime, http_date, to_utf8, Markup |
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| | 329 | from trac.web.api import absolute_url, Request, RequestDone, IAuthenticator, \ |
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| | 330 | - IRequestHandler |
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| | 331 | + IRequestHandler, IRequestPostProcessor |
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| | 332 | from trac.web.chrome import Chrome |
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| | 333 | from trac.web.clearsilver import HDFWrapper |
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| | 334 | from trac.web.href import Href |
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| | 335 | @@ -60,6 +60,7 @@ |
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| | 336 | |
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| | 337 | authenticators = ExtensionPoint(IAuthenticator) |
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| | 338 | handlers = ExtensionPoint(IRequestHandler) |
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| | 339 | + post_processors = ExtensionPoint(IRequestPostProcessor) |
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| | 340 | |
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| | 341 | def authenticate(self, req): |
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| | 342 | for authenticator in self.authenticators: |
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| | 343 | @@ -110,6 +111,10 @@ |
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| | 344 | if not content_type: |
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| | 345 | content_type = 'text/html' |
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| | 346 | |
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| | 347 | + for processor in self.post_processors: |
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| | 348 | + template, content_type = processor.process( |
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| | 349 | + req, template, content_type) |
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| | 350 | + |
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| | 351 | req.display(template, content_type or 'text/html') |
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| | 352 | finally: |
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| | 353 | # Give the session a chance to persist changes |
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