Ticket #2070: 5126_file_uploads_latest_patch.diff

django/http/file_descriptor.py

@@ +1 @@
+"""
+This file contains a fallback FileProgressDescriptor
+for file upload progress.
+"""
+import pickle
+import os
+
+class DefaultFileProgressDescriptor(object):
+
+    def __init__(self, FileException):
+        self.FileException = FileException
+    
+    def __get__(self, request, HttpRequest):
+        """
+        Returns the file progress for this request.
+        If no file progress is known, returns an empty
+        dictionary.
+        The request also keeps a local copy so that
+        the file is not accessed every time one wants to
+        ask for something.
+        """
+        from django.conf import settings
+
+        file_upload_dir = settings.FILE_UPLOAD_DIR
+        progress_id     = request.META['UPLOAD_PROGRESS_ID']
+        
+        if not progress_id or not file_upload_dir:
+            return {}
+
+        if getattr(self, '_file_progress', False) != False:
+            return self._file_progress
+
+        try:
+            f = open(os.path.join(file_upload_dir, progress_id), 'rb')
+            progress = pickle.load(f)
+            f.close()
+            self._file_progress = progress
+            return progress
+        except:
+            self._file_progress = {}
+            return {}
+
+    def __set__(self, request, new_progress):
+        """
+        Sets the value of the file progress for this request.
+        If no file progress is underway, raises an error.
+        """
+
+        from django.conf import settings
+
+        file_upload_dir = settings.FILE_UPLOAD_DIR
+        progress_id     = request.META['UPLOAD_PROGRESS_ID']
+
+        if not progress_id or not file_upload_dir:
+            raise self.FileException('There is no upload in progress.')
+
+        self._file_progress = new_progress
+        f = open(os.path.join(file_upload_dir, progress_id), 'wb')
+        pickle.dump(new_progress, f)
+        f.close()
+
+    def __delete__(self, request):
+        """
+        Removes the file if there is an upload in process.
+        """
+        file_upload_dir = settings.FILE_UPLOAD_DIR
+        progress_id     = request.META['UPLOAD_PROGRESS_ID']
+
+        if not progress_id or not file_upload_dir:
+            raise self.FileException('There is no upload in progress.')
+
+        try:
+            os.remove(os.path.join(file_upload_dir, progress_id))
+        except:
+            pass

django/http/__init__.py

@@ -1 @@
-
+, pickle
-from Cookie import SimpleCookie
-from pprint import pformat
-from urllib import urlencode, quote
-from django.utils.datastructures import MultiValueDict
+from django.http.file_descriptor import DefaultFileProgressDescriptor
+import re
-
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
+
-RESERVED_CHARS="!*'();:@&=+$,/?%#[]"
-
+
-try:
-    # The mod_python version is more efficient, so try importing it first.
-    from mod_python.util import parse_qsl
-except ImportError:
-    from cgi import parse_qsl
-
+class MetaFileProgressDescriptor(object):
+    """
+    This descriptor allows other descriptors to
+    be loaded in runtime to a request instance.
+    """
+    def __get__(self, request, *args, **kwargs):
+        return request._file_progress.__get__(request, *args, **kwargs)
+
+    def __set__(self, request, *args, **kwargs):
+        return request._file_progress.__set__(request, *args, **kwargs)
+
+    def __delete__(self, request, *args, **kwargs):
+        return request._file_progress.__delete__(request, *args, **kwargs)
+
-class Http404(Exception):
-    pass
-
-class HttpRequest(object):
-    "A basic HTTP request"
+
+    upload_id_re = re.compile(r'^[a-fA-F0-9]{32}$')
+    file_progress = MetaFileProgressDescriptor()
+
-    def __init__(self):
-        self.GET, self.POST, self.COOKIES, self.META, self.FILES = {}, {}, {}, {}, {}
-        self.path = ''
@@ -41 +67 @@
-
-    def is_secure(self):
-        return os.environ.get("HTTPS") == "on"
+ 
+    def _get_file_progress_from_args(self, headers, get, querystring):
-
-
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+
-
+        if not self.upload_id_re.match(progress_id):
+            return None
+
+        return progress_id
+
+
+def parse_file_upload(headers, input, request):
+    from django.conf import settings
+
+    # Only stream files to disk if FILE_STREAMING_DIR is set
+    file_upload_dir = settings.FILE_UPLOAD_DIR
+    streaming_min_post_size = settings.STREAMING_MIN_POST_SIZE
+
+    try:
+        parser = MultiPartParser(headers, input, request, file_upload_dir, streaming_min_post_size)
+        return parser.parse()
+    except MultiPartParserError, e:
+        return MultiValueDict({ '_file_upload_error': [e.message] }), {}
+
+class MultiPartParserError(Exception):
+    def __init__(self, message):
+        self.message = message
+    def __str__(self):
+        return repr(self.message)
+        
+class MultiPartParser(object):
+    """
+    A rfc2388 multipart/form-data parser.
+    
+    parse() reads the input stream in chunk_size chunks and returns a
+    tuple of (POST MultiValueDict, FILES MultiValueDict). If
+    file_upload_dir is defined files will be streamed to temporary
+    files in the specified directory.
+
+    The FILES dictionary will have 'filename', 'content-type',
+    'content' and 'content-length' entries. For streamed files it will
+    also have 'tmpfilename' and 'tmpfile'. The 'content' entry will
+    only be read from disk when referenced for streamed files.
+
+    If the header X-Progress-ID is sent with a 32 character hex string
+    a temporary file with the same name will be created in
+    `file_upload_dir`` with a pickled { 'received', 'size' }
+    dictionary with the number of bytes received and the size expected
+    respectively. The file will be unlinked when the parser finishes.
+
+    """
+
+    def __init__(self, headers, input, request, file_upload_dir=None, streaming_min_post_size=None, chunk_size=1024*64):
+        try:
+            content_length = int(headers['Content-Length'])
+        except:
+            raise MultiPartParserError('Invalid Content-Length: %s' % headers.get('Content-Length'))
+
+        content_type = headers.get('Content-Type')
+
+        if not content_type or not content_type.startswith('multipart/'):
+            raise MultiPartParserError('Invalid Content-Type: %s' % content_type)
+            
+        ctype, opts = self.parse_header(content_type)
+        boundary = opts.get('boundary')
+        from cgi import valid_boundary
+        if not boundary or not valid_boundary(boundary):
+            raise MultiPartParserError('Invalid boundary in multipart form: %s' % boundary)
+
+        progress_id = request.META['UPLOAD_PROGRESS_ID']
+
+        if file_upload_dir and progress_id:
+            self._progress_filename = os.path.join(file_upload_dir, progress_id)
+        else:
+            self._progress_filename = None
+        self._boundary = '--' + boundary
+        self._input = input
+        self._size = content_length
+        self._received = 0
+        self._file_upload_dir = file_upload_dir
+        self._chunk_size = chunk_size
+        self._state = 'PREAMBLE'
+        self._partial = ''
+        self._post = MultiValueDict()
+        self._files = MultiValueDict()
+        self._request = request
+        
+        if streaming_min_post_size is not None and content_length < streaming_min_post_size:
+            self._file_upload_dir = None # disable file streaming for small request
+        else:
+            request.file_progress = {'state': 'starting'}
+
+        try:
+            # use mx fast string search if available
+            from mx.TextTools import FS
+            self._fs = FS(self._boundary)
+        except ImportError:
+            self._fs = None
+
+    def parse(self):
+        try:
+            self._parse()
+        finally:
+            if self._progress_filename:
+                self._request.file_progress = {'state': 'done'}
+                
+        
+        return self._post, self._files
+
+    def _parse(self):
+        size = self._size
+
+        try:
+            while size > 0:
+                n = self._read(self._input, min(self._chunk_size, size))
+                if not n:
+                    break
+                size -= n
+        except:
+            # consume any remaining data so we dont generate a "Connection Reset" error
+            size = self._size - self._received
+            while size > 0:
+                data = self._input.read(min(self._chunk_size, size))
+                size -= len(data)
+            raise
+
+    def _find_boundary(self, data, start, stop):
+        """
+        Find the next boundary and return the end of current part
+        and start of next part.
+        """
+        if self._fs:
+            boundary = self._fs.find(data, start, stop)
+        else:
+            boundary = data.find(self._boundary, start, stop)
+        if boundary >= 0:
+            end = boundary
+            next = boundary + len(self._boundary)
+
+            # backup over CRLF
+            if end > 0 and data[end-1] == '\n': end -= 1
+            if end > 0 and data[end-1] == '\r': end -= 1
+            # skip over --CRLF
+            if next < stop and data[next] == '-': next += 1
+            if next < stop and data[next] == '-': next += 1
+            if next < stop and data[next] == '\r': next += 1
+            if next < stop and data[next] == '\n': next += 1
+
+            return True, end, next
+        else:
+            return False, stop, stop
+
+    class TemporaryFile(object):
+        "A temporary file that tries to delete itself when garbage collected."
+        def __init__(self, dir):
+            import tempfile
+            (fd, name) = tempfile.mkstemp(suffix='.upload', dir=dir)
+            self.file = os.fdopen(fd, 'w+b')
+            self.name = name
+
+        def __getattr__(self, name):
+            a = getattr(self.__dict__['file'], name)
+            if type(a) != type(0):
+                setattr(self, name, a)
+            return a
+
+        def __del__(self):
+            try:
+                os.unlink(self.name)
+            except OSError:
+                pass
+            
+    class LazyContent(dict):
+        """
+        A lazy FILES dictionary entry that reads the contents from
+        tmpfile only when referenced.
+        """
+        def __init__(self, data):
+            dict.__init__(self, data)
+        
+        def __getitem__(self, key):
+            if key == 'content' and not self.has_key(key):
+                self['tmpfile'].seek(0)
+                self['content'] = self['tmpfile'].read()
+            return dict.__getitem__(self, key)
+
+    def _read(self, input, size):
+        data = input.read(size)
+
+        if not data:
+            return 0
+
+        read_size = len(data)
+        self._received += read_size
+
+        if self._partial:
+            data = self._partial + data
+
+        start = 0
+        stop = len(data)
+        
+        while start < stop:
+            boundary, end, next = self._find_boundary(data, start, stop)
+
+            if not boundary and read_size:
+                # make sure we dont treat a partial boundary (and its separators) as data
+                stop -= len(self._boundary) + 16
+                end = next = stop
+                if end <= start:
+                    break # need more data
+
+            if self._state == 'PREAMBLE':
+                # Preamble, just ignore it
+                self._state = 'HEADER'
+
+            elif self._state == 'HEADER':
+                # Beginning of header, look for end of header and parse it if found.
+
+                header_end = data.find('\r\n\r\n', start, stop)
+                if header_end == -1:
+                    break # need more data
+
+                header = data[start:header_end]
+
+                self._fieldname = None
+                self._filename = None
+                self._content_type = None
+
+                for line in header.split('\r\n'):
+                    ctype, opts = self.parse_header(line)
+                    if ctype == 'content-disposition: form-data':
+                        self._fieldname = opts.get('name')
+                        self._filename = opts.get('filename')
+                    elif ctype.startswith('content-type: '):
+                        self._content_type = ctype[14:]
+
+                if self._filename is not None:
+                    # cleanup filename from IE full paths:
+                    self._filename = self._filename[self._filename.rfind("\\")+1:].strip()
+
+                    if self._filename: # ignore files without filenames
+                        if self._file_upload_dir:
+                            try:
+                                self._file = self.TemporaryFile(dir=self._file_upload_dir)
+                            except:
+                                raise MultiPartParserError("Failed to create temporary file.")
+                        else:
+                            self._file = StringIO()
+                    else:
+                        self._file = None
+                    self._filesize = 0
+                    self._state = 'FILE'
+                else:
+                    self._field = StringIO()
+                    self._state = 'FIELD'
+                next = header_end + 4
+
+            elif self._state == 'FIELD':
+                # In a field, collect data until a boundary is found.
+
+                self._field.write(data[start:end])
+                if boundary:
+                    if self._fieldname:
+                        self._post.appendlist(self._fieldname, self._field.getvalue())
+                    self._field.close()
+                    self._state = 'HEADER'
+
+            elif self._state == 'FILE':
+                # In a file, collect data until a boundary is found.
+
+                if self._file:
+                    try:
+                        self._file.write(data[start:end])
+                    except IOError, e:
+                        raise MultiPartParserError("Failed to write to temporary file.")
+                    self._filesize += end-start
+
+                    if self._progress_filename:
+                        self._request.file_progress = {'received': self._received,
+                                                       'size':     self._size,
+                                                       'state':    'uploading'}
+
+                if boundary:
+                    if self._file:
+                        if self._file_upload_dir:
+                            self._file.seek(0)
+                            file = self.LazyContent({
+                                'filename': self._filename,
+                                'content-type':  self._content_type,
+                                # 'content': is read on demand
+                                'content-length': self._filesize,
+                                'tmpfilename': self._file.name,
+                                'tmpfile': self._file
+                            })
+                        else:
+                            file = {
+                                'filename': self._filename,
+                                'content-type':  self._content_type,
+                                'content': self._file.getvalue(),
+                                'content-length': self._filesize
+                            }
+                            self._file.close()
+
+                        self._files.appendlist(self._fieldname, file)
+
+                    self._state = 'HEADER'
+
+            start = next
+                
+        self._partial = data[start:]
+
+        return read_size
+
+    def parse_header(self, line):
+        from cgi import parse_header
+        return parse_header(line)
+
-class QueryDict(MultiValueDict):
-    """A specialized MultiValueDict that takes a query string when initialized.
-    This is immutable unless you create a copy of it."""
@@ -306 +632 @@
-    if not host:
-        host = request.META.get('HTTP_HOST', '')
-    return host
+

django/conf/global_settings.py

@@ -240 +240 @@
-# isExistingURL validator.
-URL_VALIDATOR_USER_AGENT = "Django/0.96pre (http://www.djangoproject.com)"
-
+# The directory to place streamed file uploads. The web server needs write
+# permissions on this directory.
+# If this is None, streaming uploads are disabled.
+FILE_UPLOAD_DIR = None
+
+
+# The minimum size of a POST before file uploads are streamed to disk.
+# Any less than this number, and the file is uploaded to memory.
+# Size is in bytes.
+STREAMING_MIN_POST_SIZE = 512 * (2**10)
+
+
+
+
-##############
-# MIDDLEWARE #
-##############
@@ -335 +349 @@
-
-# The list of directories to search for fixtures
-FIXTURE_DIRS = ()
+
+

django/db/models/base.py

@@ -12 +12 @@
-from django.dispatch import dispatcher
-from django.utils.datastructures import SortedDict
-from django.utils.functional import curry
+from django.utils.file import file_move_safe
-from django.conf import settings
-from itertools import izip
-import types
-import sys
-import os
-
+                
-class ModelBase(type):
-    "Metaclass for all models"
-    def __new__(cls, name, bases, attrs):
@@ -361 +363 @@
-    def _get_FIELD_size(self, field):
-        return os.path.getsize(self._get_FIELD_filename(field))
-
-contents
+field
-        directory = field.get_directory_name()
-        try: # Create the date-based directory if it doesn't exist.
-            os.makedirs(os.path.join(settings.MEDIA_ROOT, directory))
@@ -383 +385 @@
-        setattr(self, field.attname, filename)
-
-        full_filename = self._get_FIELD_filename(field)
-
-
-
+
+
+
+
+
+
+
-
-        # Save the width and/or height, if applicable.
-        if isinstance(field, ImageField) and (field.width_field or field.height_field):

django/db/models/fields/__init__.py

@@ -638 +638 @@
-        setattr(cls, 'get_%s_filename' % self.name, curry(cls._get_FIELD_filename, field=self))
-        setattr(cls, 'get_%s_url' % self.name, curry(cls._get_FIELD_url, field=self))
-        setattr(cls, 'get_%s_size' % self.name, curry(cls._get_FIELD_size, field=self))
-contents, save=True: instance._save_FIELD_file(self, filename, raw_contents
+field, save=True: instance._save_FIELD_file(self, filename, raw_field
-        dispatcher.connect(self.delete_file, signal=signals.post_delete, sender=cls)
-
-    def delete_file(self, instance):
@@ -661 +661 @@
-        if new_data.get(upload_field_name, False):
-            func = getattr(new_object, 'save_%s_file' % self.name)
-            if rel:
-["content"]
+
-            else:
-["content"]
+
-
-    def get_directory_name(self):
-        return os.path.normpath(datetime.datetime.now().strftime(self.upload_to))

django/oldforms/__init__.py

@@ -666 +666 @@
-        self.validator_list = [self.isNonEmptyFile] + validator_list
-
-    def isNonEmptyFile(self, field_data, all_data):
-try
-content = field_data['content
-except TypeError
+if field_data.has_key('_file_upload_error')
+raise validators.CriticalValidationError, field_data['_file_upload_error
+if not field_data.has_key('filename')
-            raise validators.CriticalValidationError, gettext("No file was submitted. Check the encoding type on the form.")
-content
+field_data['content-length']
-            raise validators.CriticalValidationError, gettext("The submitted file is empty.")
-
-    def render(self, data):
-        return '<input type="file" id="%s" class="v%s" name="%s" />' % \
-            (self.get_id(), self.__class__.__name__, self.field_name)
-
+    def prepare(self, new_data):
+        if new_data.has_key('_file_upload_error'):
+            # pretend we got something in the field to raise a validation error later
+            new_data[self.field_name] = { '_file_upload_error': new_data['_file_upload_error'] }
+
-    def html2python(data):
-        if data is None:
-            raise EmptyValue

django/core/handlers/wsgi.py

@@ -75 +75 @@
-        self.environ = environ
-        self.path = environ['PATH_INFO']
-        self.META = environ
+        self.META['UPLOAD_PROGRESS_ID'] = self._get_file_progress_id()
-        self.method = environ['REQUEST_METHOD'].upper()
-
-    def __repr__(self):
@@ -111 +112 @@
-            if self.environ.get('CONTENT_TYPE', '').startswith('multipart'):
-                header_dict = dict([(k, v) for k, v in self.environ.items() if k.startswith('HTTP_')])
-                header_dict['Content-Type'] = self.environ.get('CONTENT_TYPE', '')
-
+
+
+
+
+
+
+
+
-            else:
-                self._post, self._files = http.QueryDict(self.raw_post_data), datastructures.MultiValueDict()
-        else:
@@ -167 +175 @@
-            buf.close()
-            return self._raw_post_data
-
+    def _get_file_progress_id(self):
+        """
+        Returns the Progress ID of the request,
+        usually provided if there is a file upload
+        going on.
+        Returns ``None`` if no progress ID is specified.
+        """
+        return self._get_file_progress_from_args(self.environ,
+                                                 self.GET,
+                                                 self.environ.get('QUERY_STRING', ''))
+
-    GET = property(_get_get, _set_get)
-    POST = property(_get_post, _set_post)
-    COOKIES = property(_get_cookies, _set_cookies)

django/core/handlers/base.py

@@ -5 +5 @@
-
-class BaseHandler(object):
-    def __init__(self):
-
+upload_middleware = self._
-
-    def load_middleware(self):
-        """
@@ -19 +19 @@
-        self._view_middleware = []
-        self._response_middleware = []
-        self._exception_middleware = []
+        self._upload_middleware = []
-        for middleware_path in settings.MIDDLEWARE_CLASSES:
-            try:
-                dot = middleware_path.rindex('.')
@@ -47 +48 @@
-                self._response_middleware.insert(0, mw_instance.process_response)
-            if hasattr(mw_instance, 'process_exception'):
-                self._exception_middleware.insert(0, mw_instance.process_exception)
+            if hasattr(mw_instance, 'process_upload'):
+                self._upload_middleware.append(mw_instance.process_upload)
-
+    def file_progress_descriptor(self, request):
+        """
+        Returns a descriptor that manages the file_progress
+        """        
+        for mw_call in self._upload_middleware:
+            result = mw_call(http.MultiPartParserError)
+            if result != None:
+                return result
+        return http.DefaultFileProgressDescriptor(http.MultiPartParserError)
+        
-    def get_response(self, request):
-        "Returns an HttpResponse object for the given HttpRequest"
-        from django.core import exceptions, urlresolvers
-        from django.core.mail import mail_admins
-        from django.conf import settings
-
+        # Add file_progress descriptor
+        request._file_progress = self.file_progress_descriptor(request)
+
-        # Apply request middleware
-        for middleware_method in self._request_middleware:
-            response = middleware_method(request)

django/core/handlers/modpython.py

@@ -47 +47 @@
-    def _load_post_and_files(self):
-        "Populates self._post and self._files"
-        if 'content-type' in self._req.headers_in and self._req.headers_in['content-type'].startswith('multipart'):
-
+
+
+
+
+
+
-        else:
-            self._post, self._files = http.QueryDict(self.raw_post_data), datastructures.MultiValueDict()
-
@@ -92 +97 @@
-                'AUTH_TYPE':         self._req.ap_auth_type,
-                'CONTENT_LENGTH':    self._req.clength, # This may be wrong
-                'CONTENT_TYPE':      self._req.content_type, # This may be wrong
-
-
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+
-            }
-            for key, value in self._req.headers_in.items():
-                key = 'HTTP_' + key.upper().replace('-', '_')
@@ -122 +128 @@
-    def _get_method(self):
-        return self.META['REQUEST_METHOD'].upper()
-
+    def _get_file_progress_id(self):
+        """
+        Returns the Progress ID of the request,
+        usually provided if there is a file upload
+        going on.
+        Returns ``None`` if no progress ID is specified.
+        """
+        return self._get_file_progress_from_args(self._req.headers_in,
+                                                 self.GET,
+                                                 self._req.args)
+
+
-    GET = property(_get_get, _set_get)
-    POST = property(_get_post, _set_post)
-    COOKIES = property(_get_cookies, _set_cookies)

django/utils/file.py

@@ +1 @@
+import os
+
+try:
+    import shutils
+    file_move = shutils.move
+except:
+    file_move = os.rename
+
+def file_move_safe(old_file_name, new_file_name, chunk_size = 1024*64):
+    """
+    Moves a file from one location to another in the safest way possible.
+    
+    First, it tries using shutils.move, which is OS-dependent but doesn't
+    break with change of filesystems. Then it tries os.rename, which will
+    break if it encounters a change in filesystems. Lastly, it streams
+    it manually from one file to another in python.
+    """
+    
+    try:
+        file_move(old_file_name, new_file_name)
+        return
+    except:
+        pass
+    
+    new_file = open(new_file_name, 'wb')
+    old_file = open(old_file_name, 'rb')
+    current_chunk = None
+    
+    while current_chunk != '':
+        current_chunk = old_file.read(chunk_size)
+        new_file.write(current_chunk)
+        
+    new_file.close()
+    old_file.close()
+
+    os.remove(old_file_name)

tests/modeltests/test_client/views.py

@@ -44 +44 @@
-
-    return HttpResponse(t.render(c))
-
+def post_file_view(request):
+    "A view that expects a multipart post and returns a file in the context"
+    t = Template('File {{ file.filename }} received', name='POST Template')
+    c = Context({'file': request.FILES['file_file']})
+    return HttpResponse(t.render(c))
+
-def redirect_view(request):
-    "A view that redirects all requests to the GET view"
-    return HttpResponseRedirect('/test_client/get_view/')

tests/modeltests/test_client/models.py

@@ -75 +75 @@
-        self.assertEqual(response.template.name, "Book template")
-        self.assertEqual(response.content, "Blink - Malcolm Gladwell")
-
+    def test_post_file_view(self):
+        "POST this python file to a view"
+        import os, tempfile
+        from django.conf import settings
+        file = __file__.replace('.pyc', '.py')
+        for upload_dir in [None, tempfile.gettempdir()]:
+            settings.FILE_UPLOAD_DIR = upload_dir
+            post_data = { 'name': file, 'file': open(file) }
+            response = self.client.post('/test_client/post_file_view/', post_data)
+            self.failUnless('models.py' in response.context['file']['filename'])
+            self.failUnless(len(response.context['file']['content']) == os.path.getsize(file))
+            if upload_dir:
+                self.failUnless(response.context['file']['tmpfilename'])
+
+
-    def test_redirect(self):
-        "GET a URL that redirects elsewhere"
-        response = self.client.get('/test_client/redirect_view/')

tests/modeltests/test_client/urls.py

@@ -4 +4 @@
-urlpatterns = patterns('',
-    (r'^get_view/$', views.get_view),
-    (r'^post_view/$', views.post_view),
+    (r'^post_file_view/$', views.post_file_view),
-    (r'^raw_post_view/$', views.raw_post_view),
-    (r'^redirect_view/$', views.redirect_view),
-    (r'^form_view/$', views.form_view),

docs/request_response.txt

@@ -72 +72 @@
-``FILES``
-    A dictionary-like object containing all uploaded files. Each key in
-    ``FILES`` is the ``name`` from the ``<input type="file" name="" />``. Each
-three
+four
-    keys:
-
-        * ``filename`` -- The name of the uploaded file, as a Python string.
-        * ``content-type`` -- The content type of the uploaded file.
-        * ``content`` -- The raw content of the uploaded file.
+        * ``content-length`` -- The length of the content in bytes.
-
+    If streaming file uploads are enabled two additional keys
+    describing the uploaded file will be present:
+
+        * ``tmpfilename`` -- The filename for the temporary file.
+        * ``tmpfile`` -- An open file object for the temporary file.
+
+    The temporary file will be removed when the request finishes.
+
+    Note that accessing ``content`` when streaming uploads are enabled
+    will read the whole file into memory which may not be what you want.
+
-    Note that ``FILES`` will only contain data if the request method was POST
-    and the ``<form>`` that posted to the request had
-    ``enctype="multipart/form-data"``. Otherwise, ``FILES`` will be a blank

docs/settings.txt

@@ -439 +439 @@
-
-.. _Testing Django Applications: ../testing/
-
+FILE_UPLOAD_DIR
+---------------
+
+Default: ``None``
+
+Path to a