Mercurial > libervia-web

annotate browser/sat_browser/file_tools.py @ 1146:76d75423ef53

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server: tasks manager first draft: A new task manager will check /tasks directory of website to scripts to execute before launching the site. This allows to generate docs, scripts, or do anything else useful. Generated files are put in in sat local dir, in cache, and are accessible from the website using the new "build_dir" variable.
author Goffi <goffi@goffi.org>
date Fri, 25 Jan 2019 08:58:41 +0100
parents 2af117bfe6cc
children
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011-2019 Jérôme Poisson <goffi@goffi.org>
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.log import getLogger
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21 log = getLogger(__name__)
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22 from constants import Const as C
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23 from sat.core.i18n import _, D_
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24 from pyjamas.ui.FileUpload import FileUpload
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25 from pyjamas.ui.FormPanel import FormPanel
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26 from pyjamas import Window
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27 from pyjamas import DOM
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28 from pyjamas.ui.VerticalPanel import VerticalPanel
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29 from pyjamas.ui.HTML import HTML
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30 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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31 from pyjamas.ui.Button import Button
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32 from pyjamas.ui.Label import Label
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34
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35 class FilterFileUpload(FileUpload):
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36
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37 def __init__(self, name, max_size, types=None):
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38 """
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39 @param name: the input element name and id
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40 @param max_size: maximum file size in MB
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41 @param types: allowed types as a list of couples (x, y, z):
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42 - x: MIME content type e.g. "audio/ogg"
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43 - y: file extension e.g. "*.ogg"
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44 - z: description for the user e.g. "Ogg Vorbis Audio"
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45 If types is None, all file format are accepted
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46 """
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47 FileUpload.__init__(self)
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48 self.setName(name)
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49 while DOM.getElementById(name):
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50 name = "%s_" % name
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51 self.setID(name)
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52 self._id = name
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53 self.max_size = max_size
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54 self.types = types
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55
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56 def getFileInfo(self):
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57 from __pyjamas__ import JS
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58 JS("var file = top.document.getElementById(this._id).files[0]; return [file.size, file.type]")
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59
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60 def check(self):
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61 if self.getFilename() == "":
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62 return False
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63 (size, filetype) = self.getFileInfo()
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64 if self.types and filetype not in [x for (x, y, z) in self.types]:
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65 types = []
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66 for type_ in ["- %s (%s)" % (z, y) for (x, y, z) in self.types]:
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67 if type_ not in types:
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68 types.append(type_)
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69 Window.alert('This file type is not accepted.\nAccepted file types are:\n\n%s' % "\n".join(types))
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70 return False
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71 if size > self.max_size * pow(2, 20):
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72 Window.alert('This file is too big!\nMaximum file size: %d MB.' % self.max_size)
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73 return False
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74 return True
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77 class FileUploadPanel(FormPanel):
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78
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79 def __init__(self, action_url, input_id, max_size, texts=None, close_cb=None):
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80 """Build a form panel to upload a file.
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81 @param action_url: the form action URL
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82 @param input_id: the input element name and id
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83 @param max_size: maximum file size in MB
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84 @param texts: a dict to ovewrite the default textual values
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85 @param close_cb: the close button callback method
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86 """
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87 FormPanel.__init__(self)
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88 self.texts = {'ok_button': D_('Upload file'),
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89 'cancel_button': D_('Cancel'),
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90 'body': D_('Please select a file.'),
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91 'submitting': D_('<strong>Submitting, please wait...</strong>'),
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92 'errback': D_("Your file has been rejected..."),
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93 'body_errback': D_('Please select another file.'),
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94 'callback': D_("Your file has been accepted!")}
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95 if isinstance(texts, dict):
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96 self.texts.update(texts)
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97 self.close_cb = close_cb
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98 self.setEncoding(FormPanel.ENCODING_MULTIPART)
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99 self.setMethod(FormPanel.METHOD_POST)
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100 self.setAction(action_url)
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101 self.vPanel = VerticalPanel()
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102 self.message = HTML(self.texts['body'])
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103 self.vPanel.add(self.message)
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104
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105 hPanel = HorizontalPanel()
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106 hPanel.setSpacing(5)
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107 hPanel.setStyleName('marginAuto')
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108 self.file_upload = FilterFileUpload(input_id, max_size)
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109 self.vPanel.add(self.file_upload)
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110
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111 self.upload_btn = Button(self.texts['ok_button'], getattr(self, "onSubmitBtnClick"))
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112 hPanel.add(self.upload_btn)
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113 hPanel.add(Button(self.texts['cancel_button'], getattr(self, "onCloseBtnClick")))
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114
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115 self.status = Label()
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116 hPanel.add(self.status)
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117
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118 self.vPanel.add(hPanel)
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119
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120 self.add(self.vPanel)
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121 self.addFormHandler(self)
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122
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123 def setCloseCb(self, close_cb):
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124 self.close_cb = close_cb
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125
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126 def onCloseBtnClick(self):
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127 if self.close_cb:
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128 self.close_cb()
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129 else:
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130 log.warning("no close method defined")
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131
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132 def onSubmitBtnClick(self):
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133 if not self.file_upload.check():
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134 return
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135 self.message.setHTML(self.texts['submitting'])
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136 self.upload_btn.setEnabled(False)
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137 self.submit()
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138
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139 def onSubmit(self, event):
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140 pass
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141
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142 def onSubmitComplete(self, event):
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143 result = event.getResults()
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144 if result == C.UPLOAD_KO:
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145 Window.alert(self.texts['errback'])
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146 self.message.setHTML(self.texts['body_errback'])
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147 self.upload_btn.setEnabled(True)
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148 elif result == C.UPLOAD_OK:
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149 Window.alert(self.texts['callback'])
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150 self.close_cb()
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151 else:
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152 Window.alert(_('Submit error: %s' % result))
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153 self.upload_btn.setEnabled(True)
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154
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155
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156 class AvatarUpload(FileUploadPanel):
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157 def __init__(self):
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158 texts = {'ok_button': 'Upload avatar',
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159 'body': 'Please select an image to show as your avatar...<br>Your picture must be a square and will be resized to 64x64 pixels if necessary.',
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160 'errback': "Can't open image... did you actually submit an image?",
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161 'body_errback': 'Please select another image file.',
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162 'callback': "Your new profile picture has been set!"}
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163 FileUploadPanel.__init__(self, 'upload_avatar', 'avatar_path', 2, texts)