def _overwrite(self, name, instream, start=None, end=None, append=False):
file = self._dir[name]
if append:
reader = IReadFile(file, None)
data = reader.read() + instream.read()
elif start is not None or end is not None:
reader = IReadFile(file, None)
data = reader.read()
if start is not None:
prefix = data[:start]
else:
prefix = ''
start = 0
if end is not None:
l = end - start
newdata = instream.read(l)
data = prefix + newdata + data[start+len(newdata):]
else:
newdata = instream.read()
data = prefix + newdata
else:
data = instream.read()
f = IWriteFile(self._dir[name], None)
f.write(data)
def readfile(self, name, outstream, start = 0, end = None):
file = self._dir[name]
file = IReadFile(file)
data = file.read()
if end is not None:
data = data[:end]
if start:
data = data[start:]
## Some output streams don't support unicode data.
if isinstance(data, unicode):
data = data.encode('utf-8')
outstream.write(data)
def __call__(self):
context = self.context
request = self.request
response = request.response
r = []
url = zapi.absoluteURL(context, request)
r.append('url:%s' % url)
adapted = IReadFile(context)
if hasattr(adapted, 'contentType'):
# Although IReadFile declares contentType,
# the default adapter for File doesn't seem
# to provide it.
r.append('content_type:%s' % adapted.contentType)
# There's no such thing as a meta_type
# in Zope3, so we try to get as far as we can
# using IContentType, which is a marker interface
# Had to use removeSecurityProxy because
# I was getting unauthorized on __iro__
meta_type = queryType(removeSecurityProxy(context), IContentType)
if meta_type:
r.append('meta_type:%s' % meta_type.__name__)
auth = request._auth
if auth is not None:
if auth.endswith('\n'):
auth = auth[:-1]
r.append('auth:%s' % auth)
r.append('cookie:%s' % request._environ.get('HTTP_COOKIE', ''))
# TODO: Once we have lock, add the lock token here
r.append('')
response.setHeader('Pragma', 'no-cache')
r.append(adapted.read())
response.setHeader('Content-Type', 'application/x-zope-edit')
return '\n'.join(r)
def _size(self, file):
file = IReadFile(file, None)
if file is not None:
return file.size()
return 0
