Function urlencode

django/utils/http.py:45–83

A version of Python's urllib.parse.urlencode() function that can operate on MultiValueDict and non-string values.

(query, doseq=False)

def urlencode(query, doseq=False):
    """
    A version of Python's urllib.parse.urlencode() function that can operate on
    MultiValueDict and non-string values.
    """
    if isinstance(query, MultiValueDict):
        query = query.lists()
    elif hasattr(query, "items"):
        query = query.items()
    query_params = []
    for key, value in query:
        if value is None:
            raise TypeError(
                "Cannot encode None for key '%s' in a query string. Did you "
                "mean to pass an empty string or omit the value?" % key
            )
        elif not doseq or isinstance(value, (str, bytes)):
            query_val = value
        else:
            try:
                itr = iter(value)
            except TypeError:
                query_val = value
            else:
                # Consume generators and iterators, when doseq=True, to
                # work around https://bugs.python.org/issue31706.
                query_val = []
                for item in itr:
                    if item is None:
                        raise TypeError(
                            "Cannot encode None for key '%s' in a query "
                            "string. Did you mean to pass an empty string or "
                            "omit the value?" % key
                        )
                    elif not isinstance(item, bytes):
                        item = str(item)
                    query_val.append(item)
        query_params.append((key, query_val))
    return original_urlencode(query_params, doseq)


def http_date(epoch_seconds=None):