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annotate roundup/cgi/form_parser.py @ 2056:ba1d54edc53f

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nicer invalid property error in HTML templating
author Richard Jones <richard@users.sourceforge.net>
date Fri, 27 Feb 2004 00:41:07 +0000
parents 1b11ffd8015e
children b7404a96b58a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import re, mimetypes
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2
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3 from roundup import hyperdb, date, password
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4 from roundup.cgi.exceptions import FormError
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5 from roundup.i18n import _
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6
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7 class FormParser:
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8 # edit form variable handling (see unit tests)
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9 FV_LABELS = r'''
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10 ^(
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11 (?P<note>[@:]note)|
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12 (?P<file>[@:]file)|
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13 (
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14 ((?P<classname>%s)(?P<id>[-\d]+))? # optional leading designator
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15 ((?P<required>[@:]required$)| # :required
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16 (
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17 (
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18 (?P<add>[@:]add[@:])| # :add:<prop>
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19 (?P<remove>[@:]remove[@:])| # :remove:<prop>
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20 (?P<confirm>[@:]confirm[@:])| # :confirm:<prop>
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21 (?P<link>[@:]link[@:])| # :link:<prop>
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22 ([@:]) # just a separator
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23 )?
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24 (?P<propname>[^@:]+) # <prop>
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25 )
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26 )
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27 )
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28 )$'''
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29
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30 def __init__(self, client):
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31 self.client = client
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32 self.db = client.db
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33 self.form = client.form
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34 self.classname = client.classname
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35 self.nodeid = client.nodeid
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36
2010
1b11ffd8015e forward-porting of fixed edit action / parsePropsFromForm...
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37 def parse(self, create=False, num_re=re.compile('^\d+$')):
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38 """ Item properties and their values are edited with html FORM
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39 variables and their values. You can:
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40
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41 - Change the value of some property of the current item.
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42 - Create a new item of any class, and edit the new item's
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43 properties,
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44 - Attach newly created items to a multilink property of the
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45 current item.
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46 - Remove items from a multilink property of the current item.
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47 - Specify that some properties are required for the edit
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48 operation to be successful.
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49
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50 In the following, <bracketed> values are variable, "@" may be
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51 either ":" or "@", and other text "required" is fixed.
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52
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53 Most properties are specified as form variables:
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54
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55 <propname>
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56 - property on the current context item
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57
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58 <designator>"@"<propname>
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59 - property on the indicated item (for editing related
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60 information)
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61
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62 Designators name a specific item of a class.
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63
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64 <classname><N>
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65
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66 Name an existing item of class <classname>.
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67
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68 <classname>"-"<N>
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69
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70 Name the <N>th new item of class <classname>. If the form
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71 submission is successful, a new item of <classname> is
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72 created. Within the submitted form, a particular
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73 designator of this form always refers to the same new
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74 item.
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75
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76 Once we have determined the "propname", we look at it to see
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77 if it's special:
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78
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79 @required
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80 The associated form value is a comma-separated list of
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81 property names that must be specified when the form is
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82 submitted for the edit operation to succeed.
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83
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84 When the <designator> is missing, the properties are
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85 for the current context item. When <designator> is
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86 present, they are for the item specified by
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87 <designator>.
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88
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89 The "@required" specifier must come before any of the
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90 properties it refers to are assigned in the form.
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91
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92 @remove@<propname>=id(s) or @add@<propname>=id(s)
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93 The "@add@" and "@remove@" edit actions apply only to
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94 Multilink properties. The form value must be a
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95 comma-separate list of keys for the class specified by
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96 the simple form variable. The listed items are added
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97 to (respectively, removed from) the specified
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98 property.
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99
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100 @link@<propname>=<designator>
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101 If the edit action is "@link@", the simple form
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102 variable must specify a Link or Multilink property.
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103 The form value is a comma-separated list of
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104 designators. The item corresponding to each
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105 designator is linked to the property given by simple
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106 form variable. These are collected up and returned in
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107 all_links.
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108
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109 None of the above (ie. just a simple form value)
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110 The value of the form variable is converted
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111 appropriately, depending on the type of the property.
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112
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113 For a Link('klass') property, the form value is a
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114 single key for 'klass', where the key field is
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115 specified in dbinit.py.
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116
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117 For a Multilink('klass') property, the form value is a
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118 comma-separated list of keys for 'klass', where the
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119 key field is specified in dbinit.py.
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120
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121 Note that for simple-form-variables specifiying Link
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122 and Multilink properties, the linked-to class must
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123 have a key field.
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124
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125 For a String() property specifying a filename, the
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126 file named by the form value is uploaded. This means we
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127 try to set additional properties "filename" and "type" (if
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128 they are valid for the class). Otherwise, the property
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129 is set to the form value.
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130
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131 For Date(), Interval(), Boolean(), and Number()
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132 properties, the form value is converted to the
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133 appropriate
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134
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135 Any of the form variables may be prefixed with a classname or
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136 designator.
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137
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138 Two special form values are supported for backwards
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139 compatibility:
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140
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141 @note
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142 This is equivalent to::
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143
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144 @link@messages=msg-1
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145 msg-1@content=value
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146
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147 except that in addition, the "author" and "date"
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148 properties of "msg-1" are set to the userid of the
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149 submitter, and the current time, respectively.
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150
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151 @file
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152 This is equivalent to::
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153
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154 @link@files=file-1
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155 file-1@content=value
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156
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157 The String content value is handled as described above for
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158 file uploads.
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159
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160 If both the "@note" and "@file" form variables are
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161 specified, the action::
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162
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163 @link@msg-1@files=file-1
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164
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165 is also performed.
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166
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167 We also check that FileClass items have a "content" property with
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168 actual content, otherwise we remove them from all_props before
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169 returning.
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170
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171 The return from this method is a dict of
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172 (classname, id): properties
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173 ... this dict _always_ has an entry for the current context,
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174 even if it's empty (ie. a submission for an existing issue that
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175 doesn't result in any changes would return {('issue','123'): {}})
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176 The id may be None, which indicates that an item should be
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177 created.
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178 """
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179 # some very useful variables
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180 db = self.db
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181 form = self.form
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182
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183 if not hasattr(self, 'FV_SPECIAL'):
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184 # generate the regexp for handling special form values
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185 classes = '|'.join(db.classes.keys())
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186 # specials for parsePropsFromForm
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187 # handle the various forms (see unit tests)
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188 self.FV_SPECIAL = re.compile(self.FV_LABELS%classes, re.VERBOSE)
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189 self.FV_DESIGNATOR = re.compile(r'(%s)([-\d]+)'%classes)
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190
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191 # these indicate the default class / item
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192 default_cn = self.classname
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193 default_cl = self.db.classes[default_cn]
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194 default_nodeid = self.nodeid
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195
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196 # we'll store info about the individual class/item edit in these
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197 all_required = {} # required props per class/item
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198 all_props = {} # props to set per class/item
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199 got_props = {} # props received per class/item
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200 all_propdef = {} # note - only one entry per class
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201 all_links = [] # as many as are required
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202
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203 # we should always return something, even empty, for the context
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204 all_props[(default_cn, default_nodeid)] = {}
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205
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206 keys = form.keys()
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207 timezone = db.getUserTimezone()
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208
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209 # sentinels for the :note and :file props
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210 have_note = have_file = 0
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211
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212 # extract the usable form labels from the form
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213 matches = []
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214 for key in keys:
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215 m = self.FV_SPECIAL.match(key)
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216 if m:
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217 matches.append((key, m.groupdict()))
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218
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219 # now handle the matches
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220 for key, d in matches:
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221 if d['classname']:
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222 # we got a designator
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223 cn = d['classname']
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224 cl = self.db.classes[cn]
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225 nodeid = d['id']
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226 propname = d['propname']
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227 elif d['note']:
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228 # the special note field
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229 cn = 'msg'
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230 cl = self.db.classes[cn]
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231 nodeid = '-1'
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232 propname = 'content'
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233 all_links.append((default_cn, default_nodeid, 'messages',
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234 [('msg', '-1')]))
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235 have_note = 1
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236 elif d['file']:
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237 # the special file field
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238 cn = 'file'
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239 cl = self.db.classes[cn]
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240 nodeid = '-1'
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241 propname = 'content'
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242 all_links.append((default_cn, default_nodeid, 'files',
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243 [('file', '-1')]))
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244 have_file = 1
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245 else:
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246 # default
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247 cn = default_cn
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248 cl = default_cl
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249 nodeid = default_nodeid
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250 propname = d['propname']
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251
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252 # the thing this value relates to is...
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253 this = (cn, nodeid)
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254
2010
1b11ffd8015e forward-porting of fixed edit action / parsePropsFromForm...
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255 # skip implicit create if this isn't a create action
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256 if not create and nodeid is None:
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257 continue
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258
2004
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259 # get more info about the class, and the current set of
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260 # form props for it
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261 if not all_propdef.has_key(cn):
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262 all_propdef[cn] = cl.getprops()
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263 propdef = all_propdef[cn]
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264 if not all_props.has_key(this):
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265 all_props[this] = {}
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266 props = all_props[this]
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267 if not got_props.has_key(this):
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268 got_props[this] = {}
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269
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270 # is this a link command?
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271 if d['link']:
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272 value = []
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273 for entry in self.extractFormList(form[key]):
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274 m = self.FV_DESIGNATOR.match(entry)
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275 if not m:
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276 raise FormError, \
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277 'link "%s" value "%s" not a designator'%(key, entry)
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278 value.append((m.group(1), m.group(2)))
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279
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280 # make sure the link property is valid
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281 if (not isinstance(propdef[propname], hyperdb.Multilink) and
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282 not isinstance(propdef[propname], hyperdb.Link)):
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283 raise FormError, '%s %s is not a link or '\
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284 'multilink property'%(cn, propname)
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285
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286 all_links.append((cn, nodeid, propname, value))
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287 continue
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288
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289 # detect the special ":required" variable
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290 if d['required']:
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291 all_required[this] = self.extractFormList(form[key])
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292 continue
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293
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294 # see if we're performing a special multilink action
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295 mlaction = 'set'
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296 if d['remove']:
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297 mlaction = 'remove'
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298 elif d['add']:
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299 mlaction = 'add'
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300
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301 # does the property exist?
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302 if not propdef.has_key(propname):
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303 if mlaction != 'set':
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304 raise FormError, 'You have submitted a %s action for'\
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305 ' the property "%s" which doesn\'t exist'%(mlaction,
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306 propname)
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307 # the form element is probably just something we don't care
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308 # about - ignore it
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309 continue
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310 proptype = propdef[propname]
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311
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312 # Get the form value. This value may be a MiniFieldStorage or a list
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313 # of MiniFieldStorages.
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314 value = form[key]
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315
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316 # handle unpacking of the MiniFieldStorage / list form value
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317 if isinstance(proptype, hyperdb.Multilink):
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318 value = self.extractFormList(value)
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319 else:
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320 # multiple values are not OK
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321 if isinstance(value, type([])):
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322 raise FormError, 'You have submitted more than one value'\
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323 ' for the %s property'%propname
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324 # value might be a file upload...
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325 if not hasattr(value, 'filename') or value.filename is None:
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326 # nope, pull out the value and strip it
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327 value = value.value.strip()
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328
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329 # now that we have the props field, we need a teensy little
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330 # extra bit of help for the old :note field...
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331 if d['note'] and value:
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332 props['author'] = self.db.getuid()
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333 props['date'] = date.Date()
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334
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335 # handle by type now
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336 if isinstance(proptype, hyperdb.Password):
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337 if not value:
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338 # ignore empty password values
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339 continue
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340 for key, d in matches:
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341 if d['confirm'] and d['propname'] == propname:
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342 confirm = form[key]
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343 break
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344 else:
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345 raise FormError, 'Password and confirmation text do '\
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346 'not match'
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347 if isinstance(confirm, type([])):
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348 raise FormError, 'You have submitted more than one value'\
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349 ' for the %s property'%propname
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350 if value != confirm.value:
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351 raise FormError, 'Password and confirmation text do '\
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352 'not match'
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353 try:
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354 value = password.Password(value)
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355 except hyperdb.HyperdbValueError, msg:
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356 raise FormError, msg
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357
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358 elif isinstance(proptype, hyperdb.Multilink):
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359 # convert input to list of ids
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360 try:
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361 l = hyperdb.rawToHyperdb(self.db, cl, nodeid,
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362 propname, value)
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363 except hyperdb.HyperdbValueError, msg:
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364 raise FormError, msg
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365
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366 # now use that list of ids to modify the multilink
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diff changeset
367 if mlaction == 'set':
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368 value = l
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369 else:
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370 # we're modifying the list - get the current list of ids
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371 if props.has_key(propname):
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372 existing = props[propname]
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373 elif nodeid and not nodeid.startswith('-'):
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374 existing = cl.get(nodeid, propname, [])
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375 else:
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376 existing = []
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377
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
378 # now either remove or add
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
379 if mlaction == 'remove':
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
380 # remove - handle situation where the id isn't in
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
381 # the list
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
382 for entry in l:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
383 try:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
384 existing.remove(entry)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
385 except ValueError:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
386 raise FormError, _('property "%(propname)s": '
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
387 '"%(value)s" not currently in list')%{
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
388 'propname': propname, 'value': entry}
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
389 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
390 # add - easy, just don't dupe
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
391 for entry in l:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
392 if entry not in existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
393 existing.append(entry)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
394 value = existing
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
395 value.sort()
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
396
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
397 elif value == '':
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
398 # other types should be None'd if there's no value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
399 value = None
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
400 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
401 # handle all other types
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
402 try:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
403 if isinstance(proptype, hyperdb.String):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
404 if (hasattr(value, 'filename') and
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
405 value.filename is not None):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
406 # skip if the upload is empty
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
407 if not value.filename:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
408 continue
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
409 # this String is actually a _file_
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
410 # try to determine the file content-type
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
411 fn = value.filename.split('\\')[-1]
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
412 if propdef.has_key('name'):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
413 props['name'] = fn
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
414 # use this info as the type/filename properties
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
415 if propdef.has_key('type'):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
416 if hasattr(value, 'type') and value.type:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
417 props['type'] = value.type
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
418 elif mimetypes.guess_type(fn)[0]:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
419 props['type'] = mimetypes.guess_type(fn)[0]
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
420 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
421 props['type'] = "application/octet-stream"
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
422 # finally, read the content RAW
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
423 value = value.value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
424 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
425 value = hyperdb.rawToHyperdb(self.db, cl,
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
426 nodeid, propname, value)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
427
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
428 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
429 value = hyperdb.rawToHyperdb(self.db, cl, nodeid,
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
430 propname, value)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
431 except hyperdb.HyperdbValueError, msg:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
432 raise FormError, msg
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
433
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
434 # register that we got this property
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
435 if value:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
436 got_props[this][propname] = 1
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
437
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
438 # get the old value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
439 if nodeid and not nodeid.startswith('-'):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
440 try:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
441 existing = cl.get(nodeid, propname)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
442 except KeyError:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
443 # this might be a new property for which there is
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
444 # no existing value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
445 if not propdef.has_key(propname):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
446 raise
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
447 except IndexError, message:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
448 raise FormError(str(message))
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
449
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
450 # make sure the existing multilink is sorted
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
451 if isinstance(proptype, hyperdb.Multilink):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
452 existing.sort()
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
453
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
454 # "missing" existing values may not be None
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
455 if not existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
456 if isinstance(proptype, hyperdb.String) and not existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
457 # some backends store "missing" Strings as empty strings
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
458 existing = None
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
459 elif isinstance(proptype, hyperdb.Number) and not existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
460 # some backends store "missing" Numbers as 0 :(
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
461 existing = 0
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
462 elif isinstance(proptype, hyperdb.Boolean) and not existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
463 # likewise Booleans
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
464 existing = 0
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
465
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
466 # if changed, set it
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
467 if value != existing:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
468 props[propname] = value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
469 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
470 # don't bother setting empty/unset values
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
471 if value is None:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
472 continue
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
473 elif isinstance(proptype, hyperdb.Multilink) and value == []:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
474 continue
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
475 elif isinstance(proptype, hyperdb.String) and value == '':
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
476 continue
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
477
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
478 props[propname] = value
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
479
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
480 # check to see if we need to specially link a file to the note
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
481 if have_note and have_file:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
482 all_links.append(('msg', '-1', 'files', [('file', '-1')]))
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
483
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
484 # see if all the required properties have been supplied
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
485 s = []
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
486 for thing, required in all_required.items():
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
487 # register the values we got
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
488 got = got_props.get(thing, {})
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
489 for entry in required[:]:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
490 if got.has_key(entry):
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
491 required.remove(entry)
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
492
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
493 # any required values not present?
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
494 if not required:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
495 continue
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
496
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
497 # tell the user to entry the values required
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
498 if len(required) > 1:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
499 p = 'properties'
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
500 else:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
501 p = 'property'
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
502 s.append('Required %s %s %s not supplied'%(thing[0], p,
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
503 ', '.join(required)))
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
diff changeset
504 if s:
1782fe36e7b8 Move out parts of client.py to new modules:
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents:
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505 raise FormError, '\n'.join(s)
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506
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507 # When creating a FileClass node, it should have a non-empty content
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508 # property to be created. When editing a FileClass node, it should
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509 # either have a non-empty content property or no property at all. In
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510 # the latter case, nothing will change.
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511 for (cn, id), props in all_props.items():
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512 if isinstance(self.db.classes[cn], hyperdb.FileClass):
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513 if id == '-1':
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514 if not props.get('content', ''):
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515 del all_props[(cn, id)]
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516 elif props.has_key('content') and not props['content']:
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517 raise FormError, _('File is empty')
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518 return all_props, all_links
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519
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520 def extractFormList(self, value):
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521 ''' Extract a list of values from the form value.
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522
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523 It may be one of:
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524 [MiniFieldStorage('value'), MiniFieldStorage('value','value',...), ...]
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525 MiniFieldStorage('value,value,...')
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526 MiniFieldStorage('value')
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527 '''
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528 # multiple values are OK
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529 if isinstance(value, type([])):
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530 # it's a list of MiniFieldStorages - join then into
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531 values = ','.join([i.value.strip() for i in value])
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532 else:
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533 # it's a MiniFieldStorage, but may be a comma-separated list
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534 # of values
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535 values = value.value
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536
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537 value = [i.strip() for i in values.split(',')]
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538
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539 # filter out the empty bits
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540 return filter(None, value)
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