2tony2

my_list = [1, 2, 3]
iterator = iter(my_list)

print(next(iterator))  # Output: 1
print(next(iterator))  # Output: 2
print(next(iterator))  # Output: 3
# Calling next again will raise a StopIteration Exception

2tony2

class MyIterator:
    def __init__(self, data):
        self.data = data
        self.index = 0

    def __iter__(self):
        return self

    def __next__(self):
        if self.index < len(self.data):

2tony2

def my_generator():
    yield 1
    yield 2
    yield 3

gen = my_generator()
for item in gen:
    print(item)

2tony2

def count_up_to(max):
    count = 1
    while count <= max:
        yield count
        count += 1

counter = count_up_to(3)
print(next(counter))  # Output: 1
print(next(counter))  # Output: 2
print(next(counter))  # Output: 3

2tony2

import httpx

def stream_data_from_api(url, chunk_size=1024):
    with httpx.stream('GET', url) as response:
        for chunk in response.iter_bytes(chunk_size):
            yield chunk

# Example usage
url = '<https://example.com/large_file.zip>'
for chunk in stream_data_from_api(url):

2tony2

import s3fs

def stream_data_from_s3(bucket_name, file_path, chunk_size=1024):
    fs = s3fs.S3FileSystem()
    with fs.open(f'{bucket_name}/{file_path}', 'rb') as file:
        while chunk := file.read(chunk_size):
            yield chunk

# Example usage
bucket_name = 'my-bucket'

2tony2

cursor = connection.cursor()
results = cursor.fetch_pandas_batches()

assert isinstance(results, Generator)
for result in results:
    assert isinstance(result, PandasDataFrame)
    break

2tony2

pythonCopy code
import paramiko

def stream_data_from_sftp(hostname, port, username, password, remote_path, chunk_size=1024):
    transport = paramiko.Transport((hostname, port))
    transport.connect(username=username, password=password)
    sftp = paramiko.SFTPClient.from_transport(transport)

    with sftp.open(remote_path, 'rb') as file:
        while chunk := file.read(chunk_size):

2tony2

with connection:
  if file_path is not None:
      counter = 0
      cursor_execution_config.command = f"PUT file://{snowflake_file_name}_{counter} @{full_qualified_stage_name} OVERWRITE = {overwrite}"
      with open(file_path, "rb") as f:
          if chunk_size == 0:
              raise ValueError(
                  "Chunk size of 0 is not allowed for filestream pushing."
              )
          elif chunk_size > 0:

2tony2

1