49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import division, with_statement
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import os
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import ox
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from django import forms
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class ChunkForm(forms.Form):
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chunk = forms.FileField()
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chunkId = forms.IntegerField(required=False)
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offset = forms.IntegerField(required=False)
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done = forms.IntegerField(required=False)
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def save_chunk(obj, file, chunk, offset, name, done_cb=None):
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if not file:
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file.name = name
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ox.makedirs(os.path.dirname(file.path))
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with open(file.path, 'wb') as f:
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f.write(chunk.read())
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obj.save()
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else:
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path = file.path
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size = file.size
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if offset is None:
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offset = size
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elif offset > size:
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return False, size
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with open(path, 'rb+') as f:
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f.seek(offset)
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f.write(chunk.read())
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return done_cb() if done_cb else True, file.size
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def process_chunk(request, save_chunk):
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response = {
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'result': 1,
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}
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form = ChunkForm(request.POST, request.FILES)
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if form.is_valid():
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d = form.cleaned_data
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ok, _offset = save_chunk(d['chunk'], d['offset'], d['done'])
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response['offset'] = _offset
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response['result'] = 1 if ok else -1
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if d['done']:
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response['done'] = 1
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else:
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response['result'] = -1
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return response
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