def post_url(url, post_data, destinationpath, debug=False, message=None, follow_redirects=True, progress_method=None): """Sends POST data to a URL and then returns the result. Accepts the URL to send the POST to, URL encoded data and optionally can follow redirects """ tempdownloadpath = destinationpath + '.download' if os.path.exists(tempdownloadpath): os.remove(tempdownloadpath) options = {'url': url, 'file': tempdownloadpath, 'follow_redirects': follow_redirects, 'post_data': post_data, 'connection_timeout': 60, 'logging_function': NSLog} # NSLog('gurl options: %@', options) if debug: NSLog('url: %@', options['url']) connection = SalGurl.alloc().initWithOptions_(options) stored_percent_complete = -1 stored_bytes_received = 0 connection.start() try: while True: # if we did `while not connection.isDone()` we'd miss printing # messages and displaying percentages if we exit the loop first connection_done = connection.isDone() if message and connection.status and connection.status != 304: # log always, display if verbose is 1 or more # also display in progress field if debug: NSLog(message) if progress_method: progress_method(None, None, message) # now clear message so we don't display it again message = None if (str(connection.status).startswith('2') and connection.percentComplete != -1): if connection.percentComplete != stored_percent_complete: # display percent done if it has changed stored_percent_complete = connection.percentComplete if debug: NSLog('Percent done: %@', stored_percent_complete) if progress_method: progress_method(None, stored_percent_complete, None) elif connection.bytesReceived != stored_bytes_received: # if we don't have percent done info, log bytes received stored_bytes_received = connection.bytesReceived if debug: NSLog('Bytes received: %@', stored_bytes_received) if progress_method: progress_method(None, None, 'Bytes received: %s' % stored_bytes_received) if connection_done: break except (KeyboardInterrupt, SystemExit): # safely kill the connection then re-raise connection.cancel() raise except Exception, err: # too general, I know # Let us out! ... Safely! Unexpectedly quit dialogs are annoying... connection.cancel()
def get_url(url, destinationpath, debug=False, message=None, follow_redirects=True, progress_method=None): """Gets an HTTP or HTTPS URL and stores it in destination path. Returns a dictionary of headers, which includes http_result_code and http_result_description. Will raise GurlError if Gurl returns an error. Will raise HTTPError if HTTP Result code is not 2xx or 304. If destinationpath already exists, you can set 'onlyifnewer' to true to indicate you only want to download the file only if it's newer on the server. If you set resume to True, Gurl will attempt to resume an interrupted download.""" tempdownloadpath = destinationpath + '.download' if os.path.exists(tempdownloadpath): os.remove(tempdownloadpath) options = {'url': url, 'file': tempdownloadpath, 'follow_redirects': follow_redirects, 'logging_function': NSLog} # NSLog('gurl options: %@', options) connection = SalGurl.alloc().initWithOptions_(options) stored_percent_complete = -1 stored_bytes_received = 0 connection.start() try: while True: # if we did `while not connection.isDone()` we'd miss printing # messages and displaying percentages if we exit the loop first connection_done = connection.isDone() if message and connection.status and connection.status != 304: # log always, display if verbose is 1 or more # also display in progress field if debug: NSLog(message) if progress_method: progress_method(None, None, message) # now clear message so we don't display it again message = None if (str(connection.status).startswith('2') and connection.percentComplete != -1): if connection.percentComplete != stored_percent_complete: # display percent done if it has changed stored_percent_complete = connection.percentComplete if debug: NSLog('Percent done: %@', stored_percent_complete) if progress_method: progress_method(None, stored_percent_complete, None) elif connection.bytesReceived != stored_bytes_received: # if we don't have percent done info, log bytes received stored_bytes_received = connection.bytesReceived if debug: NSLog('Bytes received: %@', stored_bytes_received) if progress_method: progress_method(None, None, 'Bytes received: %s' % stored_bytes_received) if connection_done: break except (KeyboardInterrupt, SystemExit): # safely kill the connection then re-raise connection.cancel() raise except Exception, err: # too general, I know # Let us out! ... Safely! Unexpectedly quit dialogs are annoying... connection.cancel() # Re-raise the error as a GurlError raise GurlError(-1, str(err))