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annotate src/pages/files/list/page_meta.py @ 1067:808ec98de8b3

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pages (files/list): retrieve thumbnail: when thumbnail url is not available (only id is available), thumbnail are retrieved using BoB. The thumbnail closest to 300px witdh is used.
author Goffi <goffi@goffi.org>
date Wed, 14 Mar 2018 09:23:23 +0100
parents abc5d545dbaa
children 2dab7692eae7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1064
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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 libervia.server import session_iface
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8 from sat.core.log import getLogger
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9 import json
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10 import os
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11 log = getLogger('pages/file')
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12 """files handling pages"""
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13
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14 name = u'files'
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15 access = C.PAGES_ACCESS_PROFILE
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16 template = u"file/overview.html"
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17
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18 def parse_url(self, request):
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19 self.getPathArgs(request, ['service', '*path'], min_args=1, service='jid', path='')
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20
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21 @defer.inlineCallbacks
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22 def prepare_render(self, request):
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23 data = self.getRData(request)
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24 template_data = request.template_data
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25 service, path_elts = data[u'service'], data[u'path']
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26 path = u'/'.join(path_elts)
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27 profile = self.getProfile(request) or C.SERVICE_PROFILE
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28
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29 files_data = yield self.host.bridgeCall('FISList', service.full(), path, {}, profile)
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30 for file_data in files_data:
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31 try:
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32 extra_raw = file_data[u'extra']
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33 except KeyError:
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34 pass
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35 else:
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36 file_data[u'extra'] = json.loads(extra_raw) if extra_raw else {}
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37 dir_path = path_elts + [file_data['name']]
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38 if file_data[u'type'] == C.FILE_TYPE_DIRECTORY:
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39 page = self
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40 elif file_data[u'type'] == C.FILE_TYPE_FILE:
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41 page = self.getPageByName('files_view')
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42 try:
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43 thumbnails = file_data[u'extra']['thumbnails']
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44 if not thumbnails:
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45 raise KeyError
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46 except KeyError:
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47 pass
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48 else:
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49 thumbnails.sort(key = lambda t: t['size'])
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50 thumb = thumbnails[0]
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51 for thumb_data in thumbnails:
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52 if thumb_data['size'][0] > 300:
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53 break
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54 thumb = thumb_data
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55 if u'url' in thumb:
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56 file_data['thumb_url'] = thumb['url']
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57 elif u'id' in thumb:
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58 try:
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59 thumb_path = yield self.host.bridgeCall('bobGetFile', service.full(), thumb[u'id'], profile)
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60 except Exception as e:
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61 log.warning(_(u"Can't retrieve thumbnail: {reason}").format(reason=e))
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62 else:
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63 filename = os.path.basename(thumb_path)
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64 session_data = self.host.getSessionData(request, session_iface.ISATSession)
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65 file_data['thumb_url'] = os.path.join(session_data.cache_dir, filename)
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66 else:
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67 raise ValueError(u'unexpected file type: {file_type}'.format(file_type=file_data[u'type']))
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68 file_data[u'url'] = page.getURL(service.full(), *dir_path)
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69 template_data[u'files_data'] = files_data
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70 template_data[u'path'] = path
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71 if path_elts:
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72 template_data[u'parent_url'] = self.getURL(service.full(), *path_elts[:-1])
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73