I am creating a program that will download a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I'm using Python 3.2.1
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I've managed to extract the URL of the JAR file from the JAD file (every JAD file contains the URL to the JAR file), but as you may imagine, the extracted value is type() string.
Here's the relevant function:
However I always get an error saying that the type in the function above has to be bytes, and not string. I've tried using the URL.encode('utf-8'), and also bytes(URL,encoding='utf-8'), but I'd always get the same or similar error.
So basically my question is how to download a file from a server when the URL is stored in a string type?
Bo MilanovichBo Milanovich
7 Answers
If you want to obtain the contents of a web page into a variable, just
read the response of urllib.request.urlopen :
The easiest way to download and save a file is to use the
urllib.request.urlretrieve function:
But keep in mind that
urlretrieve is considered legacy and might become deprecated (not sure why, though).
So the most correct way to do this would be to use the
urllib.request.urlopen function to return a file-like object that represents an HTTP response and copy it to a real file using shutil.copyfileobj .
If this seems too complicated, you may want to go simpler and store the whole download in a
bytes object and then write it to a file. But this works well only for small files.
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It is possible to extract
.gz (and maybe other formats) compressed data on the fly, but such an operation probably requires the HTTP server to support random access to the file.
Oleh PrypinOleh Prypin
I use
requests package whenever I want something related to HTTP requests because its API is very easy to start with:
first, install
requests
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then the code:
Ali FakiAli Faki
I hope I understood the question right, which is: how to download a file from a server when the URL is stored in a string type?
I download files and save it locally using the below code:
Ranvijay KumarRanvijay Kumar
Python Script To Download Multiple Files From Website
Here we can use urllib's Legacy interface in Python3:
The following functions and classes are ported from the Python 2 module urllib (as opposed to urllib2). They might become deprecated at some point in the future.
Python Script To Download Files From Website Free
Example (2 lines code):
Python Script To Download Files From Website To Pdf
Yang YuYang Yu
Python Script To Download File From Internet
You can use wget which is popular downloading shell tool for that. https://pypi.python.org/pypi/wgetThis will be the simplest method since it does not need to open up the destination file. Here is an example.
Lasith NiroshanLasith Niroshan
Yes, definietly requests is great package to use in something related to HTTP requests. but we need to be careful with the encoding type of the incoming data as well below is an example which explains the difference
How To Download Files From Website
KaushalKaushal
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user7726287user7726287
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