Stream Bytes chunks to csv rows in python

I need to process a large remote CSV line by line without downloading it entirely.

Below is the closest I got. I iterate byte chunks from Azure, and have some code to handle truncated lines. But this cannot work if csv values contain a newline as I am not able to discernate between value newlines and csv newlines.

# this does not work
def azure_iter_lines(logger_scope, client, file_path):
    # get a StorageStreamDownloader
    # https://docs.microsoft.com/en-us/python/api/azure-storage-file-datalake/azure.storage.filedatalake.storagestreamdownloader?view=azure-python
    file_client = client.get_file_client(file_path)
    file_handle = file_client.download_file()

    truncated_line = ''
    for chunk in file_handle.chunks():
        # have the previous truncated line appended to the next block
        chunk_txt = truncated_line + chunk.decode("utf-8")
        lines = chunk_txt.split('\n') # THIS CANNOT WORK AS VALUES CONTAIN NEWLINES
        for line in lines[0:len(lines)-2]:
            yield line
        truncated_line = lines[len(lines)-1]

    # process the last chunk (same code)
    chunk_txt = truncated_line
    lines = chunk_txt.split('\n') # THIS CANNOT WORK AS VALUES CONTAIN NEWLINES
    for line in lines[0:len(lines)-2]:
        yield line
    truncated_line = lines[len(lines)-1]

Ideally I would use csv.DictReader() but I was not able to to so as it downloads the file entirely.

# this does not work
def azure_iter_lines(logger_scope, client, file_path):
    file_client = client.get_file_client(file_path)
    file_handle = file_client.download_file()
    buffer = io.BytesIO()
    file_handle.readinto(buffer) # THIS DOWNLOADS THE FILE ENTIRELY
    csvreader = csv.DictReader(buffer, delimiter=";")
    return csvreader

from Stream Bytes chunks to csv rows in python