resolvers.py 文件源码

def __init__(self, ct, f, next=None, uribase='thismessage:/',
    seekable=0, **kw):
        # Get the boundary.  It's too bad I have to write this myself,
        # but no way am I going to import cgi for 10 lines of code!
        for param in ct.split(';'):
            a = param.strip()
            if a.startswith('boundary='):
                if a[9] in [ '"', "'" ]:
                    boundary = a[10:-1]
                else:
                    boundary = a[9:]
                break
        else:
            raise ValueError('boundary parameter not found')

        self.id_dict, self.loc_dict, self.parts = {}, {}, []
        self.next = next
        self.base = uribase

        mf = multifile.MultiFile(f, seekable)
        mf.push(boundary)
        while mf.next():
            head = mimetools.Message(mf)
            body = StringIO.StringIO()
            mimetools.decode(mf, body, head.getencoding())
            body.seek(0)
            part = (head, body)
            self.parts.append(part)
            key = head.get('content-id')
            if key:
                if key[0] == '<' and key[-1] == '>': key = key[1:-1]
                self.id_dict[key] = part
            key = head.get('content-location')
            if key: self.loc_dict[key] = part
        mf.pop()