Django

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Ticket #5894: diff.5.diff

File diff.5.diff, 3.9 kB (added by Alex, 7 months ago)

Adds docs, fixes a few small things

  • django/db/models/fields/__init__.py

    old new  
    814814        self.path, self.match, self.recursive = path, match, recursive 
    815815        kwargs['max_length'] = kwargs.get('max_length', 100) 
    816816        Field.__init__(self, verbose_name, name, **kwargs) 
    817  
     817     
     818    def formfield(self, **kwargs): 
     819        defaults = { 
     820            'path': self.path, 
     821            'match': self.match, 
     822            'recursive': self.recursive, 
     823            'form_class': forms.FilePathField, 
     824        } 
     825        defaults.update(kwargs) 
     826        return super(FilePathField, self).formfield(**defaults) 
     827     
    818828    def get_manipulator_field_objs(self): 
    819829        return [curry(oldforms.FilePathField, path=self.path, match=self.match, recursive=self.recursive)] 
    820830 
  • django/newforms/fields.py

    old new  
    44 
    55import copy 
    66import datetime 
     7import os 
    78import re 
    89import time 
    910# Python 2.3 fallbacks 
     
    3132    'RegexField', 'EmailField', 'FileField', 'ImageField', 'URLField', 
    3233    'BooleanField', 'NullBooleanField', 'ChoiceField', 'MultipleChoiceField', 
    3334    'ComboField', 'MultiValueField', 'FloatField', 'DecimalField', 
    34     'SplitDateTimeField', 'IPAddressField', 
     35    'SplitDateTimeField', 'IPAddressField', 'FilePathField', 
    3536) 
    3637 
    3738# These values, if given to to_python(), will trigger the self.required check. 
     
    750751 
    751752    def __init__(self, *args, **kwargs): 
    752753        super(IPAddressField, self).__init__(ipv4_re, *args, **kwargs) 
     754         
     755class FilePathField(ChoiceField): 
     756    """A ChoiceField whose choices are files from the filesystem""" 
     757     
     758    def __init__(self, path, match=None, recursive=False, required=True, widget=Select, label=None, initial=None, help_text=None, *args, **kwargs): 
     759        self.path, self.match, self.recursive = path, match, recursive 
     760        super(FilePathField, self).__init__(choices=(), required=required, widget=widget, label=label, initial=initial, help_text=help_text, *args, **kwargs) 
     761        self.choices = [] 
     762        if self.match is not None: 
     763            self.match_re = re.compile(self.match) 
     764        if recursive: 
     765            for root, dirs, files in os.walk(self.path): 
     766                    for f in files: 
     767                        if self.match is None or self.match_re.search(f): 
     768                            f = os.path.join(root, f) 
     769                            self.choices.append((f, f.replace(self.path, "", 1))) 
     770        else: 
     771            try: 
     772                for f in os.listdir(self.path): 
     773                    full_file = os.path.join(self.path, f) 
     774                    if os.path.isfile(full_file) and (self.match is None or self.match_re.search(f)): 
     775                        self.choices.append((full_file, f)) 
     776            except OSError: 
     777                pass 
     778        self.widget.choices = self.choices 
  • docs/newforms.txt

    old new  
    13451345 
    13461346.. _`bind the file data to the form`: `Binding uploaded files to a form`_ 
    13471347 
     1348``FilePathField`` 
     1349~~~~~~~~~~~~~~ 
     1350 
     1351**New in Django development version** 
     1352 
     1353    * Default widget: ``Select`` 
     1354    * Empty value: ``None`` 
     1355    * Normalizes to: A unicode object 
     1356    * Validates that the selected choices exists in the list of choices. 
     1357    * Error message keys: ``required``, ``invalid_choice`` 
     1358 
     1359The choices are generated from the Filesystem.  They can be forced to match a specific regular expresion(this only matches the specific file, not the entire path).  It can also be recursive. 
     1360 
    13481361``ImageField`` 
    13491362~~~~~~~~~~~~~~ 
    13501363