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annotate libervia/pages/files/view/page_meta.py @ 1193:aee3d8fa679f

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pages: fixed cached data when `url_cache` is used: `request.template_data` and `request.data` where cached using a shallow copy, causing trouble when a mutable object was used. This has been fixed by using a deepcopy, which should not be a resource issue as `request.data` and `request.template_data` should contain a few data in most cases.
author Goffi <goffi@goffi.org>
date Wed, 12 Jun 2019 20:05:45 +0200
parents 29eb15062416
children b2d067339de3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python2.7
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2 # -*- coding: utf-8 -*-
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3
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4 from libervia.server.constants import Const as C
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5 from sat.core.i18n import _
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6 from twisted.internet import defer
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7 from twisted.web import static
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8 from libervia.server.utils import ProgressHandler
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9 import tempfile
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10 import os
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11 import os.path
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12 from sat.core.log import getLogger
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13
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14 log = getLogger(__name__)
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15 """files handling pages"""
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16
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17 name = u"files_view"
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18 access = C.PAGES_ACCESS_PROFILE
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19
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20
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21 def parse_url(self, request):
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22 self.getPathArgs(request, ["service", "*path"], min_args=2, service="jid", path="")
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23
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24
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25 def cleanup(dummy, tmp_dir, dest_path):
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26 try:
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27 os.unlink(dest_path)
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28 except OSError:
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29 log.warning(_(u"Can't remove temporary file {path}").format(path=dest_path))
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30 try:
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31 os.rmdir(tmp_dir)
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32 except OSError:
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33 log.warning(_(u"Can't remove temporary directory {path}").format(path=tmp_dir))
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34
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35
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36 @defer.inlineCallbacks
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37 def render(self, request):
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38 data = self.getRData(request)
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39 profile = self.getProfile(request)
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40 service, path_elts = data[u"service"], data[u"path"]
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41 basename = path_elts[-1]
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42 dir_elts = path_elts[:-1]
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43 dir_path = u"/".join(dir_elts)
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44 tmp_dir = tempfile.mkdtemp()
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45 dest_path = os.path.join(tmp_dir, basename)
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46 request.notifyFinish().addCallback(cleanup, tmp_dir, dest_path)
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47 progress_id = yield self.host.bridgeCall(
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48 "fileJingleRequest",
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49 service.full(),
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50 dest_path,
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51 basename,
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52 u"",
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53 u"",
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54 {u"path": dir_path},
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55 profile,
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56 )
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57 log.debug(u"file requested")
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58 yield ProgressHandler(self.host, progress_id, profile).register()
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59 log.debug(u"file downloaded")
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60 self.delegateToResource(request, static.File(dest_path))