Mercurial > p > roundup > code

annotate roundup/cgi/engine_zopetal.py @ 8527:d4a43d9da8ef

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
chore(build): build(deps): bump anchore/scan-action from 7.3.1 to 7.3.2 pull #82
author John Rouillard <rouilj@ieee.org>
date Mon, 23 Feb 2026 20:16:55 -0500
parents dff6d2edc52f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
1 """Templating engine adapter for the legacy TAL implementation ported from
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
2 Zope.
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
3 """
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
4 __docformat__ = 'restructuredtext'
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
5
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
6 import errno
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
7 import mimetypes
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
8 import os
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
9 import os.path
8311
dff6d2edc52f fix: issue2551396: os.path.stat.ST_MTIME + windows python 3.13 crashes
John Rouillard <rouilj@ieee.org>
parents: 7999
diff changeset
10 import stat
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
11
6658
408fd477761f Add i18n object to roundupdb.Database
Ralf Schlatterbeck <rsc@runtux.com>
parents: 6479
diff changeset
12 from roundup.cgi.templating import StringIO, context, TALLoaderBase
6665
bd4097fa0671 remove code supporting unused global translation service
John Rouillard <rouilj@ieee.org>
parents: 6658
diff changeset
13 from roundup.cgi.PageTemplates import PageTemplate
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
14 from roundup.cgi.PageTemplates.Expressions import getEngine
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
15 from roundup.cgi.TAL import TALInterpreter
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
16
6192
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
17
4749
0421390b3094 templating: Move common TAL methods to TALLoaderBase class
anatoly techtonik <techtonik@gmail.com>
parents: 4740
diff changeset
18 class Loader(TALLoaderBase):
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
19 templates = {}
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
20
7775
b8e63e65d9a8 chore: replace use of dir with template_dir.
John Rouillard <rouilj@ieee.org>
parents: 6665
diff changeset
21 def __init__(self, template_dir):
b8e63e65d9a8 chore: replace use of dir with template_dir.
John Rouillard <rouilj@ieee.org>
parents: 6665
diff changeset
22 self.template_dir = template_dir
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
23
4740
fe9568a6cbd6 Untangle template selection logic from template loading functionality.
anatoly techtonik <techtonik@gmail.com>
parents: 4739
diff changeset
24 def load(self, tplname):
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
25 # find the source
7999
310e19beba3e fix: report filename if template file is invalid
John Rouillard <rouilj@ieee.org>
parents: 7775
diff changeset
26 try:
310e19beba3e fix: report filename if template file is invalid
John Rouillard <rouilj@ieee.org>
parents: 7775
diff changeset
27 src, filename = self._find(tplname)
310e19beba3e fix: report filename if template file is invalid
John Rouillard <rouilj@ieee.org>
parents: 7775
diff changeset
28 except TypeError as e:
310e19beba3e fix: report filename if template file is invalid
John Rouillard <rouilj@ieee.org>
parents: 7775
diff changeset
29 raise ValueError("Unable to load template file basename: %s: %s" % (
310e19beba3e fix: report filename if template file is invalid
John Rouillard <rouilj@ieee.org>
parents: 7775
diff changeset
30 tplname, e))
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
31
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
32 # has it changed?
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
33 try:
8311
dff6d2edc52f fix: issue2551396: os.path.stat.ST_MTIME + windows python 3.13 crashes
John Rouillard <rouilj@ieee.org>
parents: 7999
diff changeset
34 stime = os.stat(src)[stat.ST_MTIME]
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 4749
diff changeset
35 except os.error as error:
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
36 if error.errno != errno.ENOENT:
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
37 raise
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
38
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
39 if src in self.templates and \
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
40 stime <= self.templates[src].mtime:
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
41 # compiled template is up to date
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
42 return self.templates[src]
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
43
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
44 # compile the template
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
45 pt = RoundupPageTemplate()
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
46 # use pt_edit so we can pass the content_type guess too
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
47 content_type = mimetypes.guess_type(filename)[0] or 'text/html'
6479
808f7a8ed2b6 Clean leaking file descriptors. Eliminates ResourceWarnings.
John Rouillard <rouilj@ieee.org>
parents: 6192
diff changeset
48 with open(src) as srcd:
808f7a8ed2b6 Clean leaking file descriptors. Eliminates ResourceWarnings.
John Rouillard <rouilj@ieee.org>
parents: 6192
diff changeset
49 pt.pt_edit(srcd.read(), content_type)
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
50 pt.id = filename
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
51 pt.mtime = stime
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
52 # Add it to the cache. We cannot do this until the template
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
53 # is fully initialized, as we could otherwise have a race
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
54 # condition when running with multiple threads:
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
55 #
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
56 # 1. Thread A notices the template is not in the cache,
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
57 # adds it, but has not yet set "mtime".
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
58 #
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
59 # 2. Thread B notices the template is in the cache, checks
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
60 # "mtime" (above) and crashes.
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
61 #
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
62 # Since Python dictionary access is atomic, as long as we
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
63 # insert "pt" only after it is fully initialized, we avoid
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
64 # this race condition. It's possible that two separate
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
65 # threads will both do the work of initializing the template,
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
66 # but the risk of wasted work is offset by avoiding a lock.
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
67 self.templates[src] = pt
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
68 return pt
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
69
6192
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
70
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
71 class RoundupPageTemplate(PageTemplate.PageTemplate):
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
72 """A Roundup-specific PageTemplate.
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
73
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
74 Interrogate the client to set up Roundup-specific template variables
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
75 to be available. See 'context' function for the list of variables.
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
76
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
77 """
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
78
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
79 def render(self, client, classname, request, **options):
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
80 """Render this Page Template"""
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
81
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
82 if not self._v_cooked:
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
83 self._cook()
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
84
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
85 __traceback_supplement__ = (PageTemplate.PageTemplateTracebackSupplement, self)
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
86
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
87 if self._v_errors:
6192
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
88 raise PageTemplate.PTRuntimeError('Page Template %s has errors.' %
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
89 self.id)
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
90
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
91 # figure the context
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
92 c = context(client, self, classname, request)
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
93 c.update({'options': options})
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
94
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
95 # and go
5418
55f09ca366c4 Python 3 preparation: StringIO.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5381
diff changeset
96 output = StringIO()
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
97 TALInterpreter.TALInterpreter(self._v_program, self.macros,
6192
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
98 getEngine().getContext(c), output,
38d04127d9bb pep8 changes
John Rouillard <rouilj@ieee.org>
parents: 5418
diff changeset
99 tal=1, strictinsert=0)()
4587
a2eb4fb3e6d8 New Chameleon templating engine, engine is now configurable.
Ralf Schlatterbeck <rsc@runtux.com>
parents:
diff changeset
100 return output.getvalue()
Roundup Issue Tracker: http://roundup-tracker.org/