Download HumbleBundle books. This is a quick Python script I wrote to download HumbleBundle books in batch. I bought the amazing Machine Learning by O'Reilly bundle.There were 15 books to download, with 3 different file formats per book.
#!/usr/bin/env python # script supports either python2 or python3 download all files if they don't exist from a LAADS URL and stores 21 May 2019 I need to check if a directory exists or not, within a shell script running on would store all downloaded files or /tmp/ would store temporary files. Build urls url="some_url/file.tar.gz" file="${url##*/}" ### Check for dir, if not ConfigItem( 'http://data.astropy.org/', 'Primary URL for astropy remote data site. ConfigItem( True, 'If True, temporary download files created when the cache is ' 'inaccessible will be deleted at the end of the python session.') If a matching local file does not exist, the Astropy data server will be queried for the file. * A hash If directory does not exist in ~/the/target on host , it will be created. If, however you've created: mkdir ~/new-folder/ && scp -P 22
An URL identifies a resource on the Internet. What is Urllib2? urllib2 is a Python module that can be used for fetching URLs. It defines functions and classes to help with URL actions (basic and digest authentication, redirections, cookies, etc) The magic starts with importing the urllib2 module. What is the difference between urllib and urllib2? How do you go getting files from your computer to S3? We have manually uploaded them through the S3 web interface. It’s reasonable, but we wanted to do better. So, we wrote a little Python 3 program that we use to put files into S3 buckets. If the bucket doesn’t yet exist, the program will create the bucket. Last but not least, we should include this line of code so that we can pause our code for a second so that we are not spamming the website with requests. This helps us avoid getting flagged as a spammer. time.sleep(1) Now that we understand how to download a file, let’s try downloading the entire set of data files with a for loop. The code urllib.request is a Python module for fetching URLs (Uniform Resource Locators). It offers a very simple interface, in the form of the urlopen function. This is capable of fetching URLs using a variety of different protocols. It also offers a slightly more complex interface for handling common situations - like basic authentication, cookies, proxies and so on. not available in python. Download an Object (to a file) This generates an unsigned download URL for hello.txt. This works because we made hello.txt public by setting the ACL above. This then generates a signed download URL for secret_plans.txt that will work for 1 hour. Signed download URLs will work for the time period even if the pure python 3.x download utility. * -o option allows to select output file/directory * download(url, out, bar) contains out parameter 2.0 (2013-04-26) * it shows percentage * it renames file if it already exists * it can be used as a library * download(url) returns filename Here are the examples of the python api tensorflow.python.platform.gfile.Exists taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
This should do the trick, although I assume that the urls.txt file only contains the url. '/python-downloader/downloaded' # For every line in the file for url in Download the file if it does not exist if not os.path.isfile(filename): 17 Apr 2017 Let's start with baby steps on how to download a file using requests -- When the URL linked to a webpage rather than a binary, I had to not Also note that the urllib.request.urlopen() function in Python 3 is equivalent to If the URL does not have a scheme identifier, or if it has file: as its scheme If the URL points to a local file, or a valid cached copy of the object exists, the urlretrieve() can not check the size of the data it has downloaded, and just returns it. This page provides Python code examples for wget.download. file = url.split("/")[-1] if os.path.exists(os.path.join(dir, file)): print(file, "already downloaded") else: f"{lang1}-{lang2}.pkl") if not os.path.exists(fpath): # download from cloud url This page provides Python code examples for urllib.request.urlretrieve. Checks if the path to the inception file is valid, or downloads the file if it is not present. 'classify_image_graph_def.pb' if not model_file.exists(): print("Downloading toPlainText() if url == "" and save_loc == "": pass else: # this error handling if user These shouldn't be overridden by subclasses unless absolutely necessary. The content should be a proper File object or any Python file-like object, so the new filename does not # exceed the max_length. while self.exists(name) or raise NotImplementedError('subclasses of Storage must provide a url() Download:. Specifies a URL that contains the checksum values for the resource at url. If no , will only download the file if it does not exist or the remote file has been
If you do not have permissions to install packages system-wide or simply don't want to, create a virtualenv first: $ virtualenv The route() decorator binds a piece of code to an URL path. In this Continue reading and you'll see what else is possible. Static files such as images or CSS files are not served automatically. It opens and writes to the end of the file or creates a new file if it doesn't exist. “a+”: It represents Read/Write. It preserves the file's content by writing to the end of It can be specified whether the node will fail if an invalid url string occurs or a file location does not exist. If failing is switched off (default) empty strings will set as You can chrck if a file exitst on your web server. Hide Copy Code. // create the request HttpWebRequest request = WebRequest.Create(url);; The Dropbox API allows developers to work with files in Dropbox, including advanced Content-download endpoints Use URL parameters arg and authorization instead of HTTP headers Template does not exist for the given identifier. 3 # 4 # This file is part of the Biopython distribution and governed by your 5 205 206 """ 207 url = self.pdb_server + "/pub/pdb/data/status/obsolete.dat" 208 with code) 328 329 # Skip download if the file already exists 330 if not overwrite:
def download_nltk_package_if_not_present(package_name): """ Checks to see whether the user already has a given nltk package, and if not, prompts the user whether to download it. We download all necessary packages at install time, but this is just in case the user has deleted them.
