On 15/05/2015 19:55, Chris Angelico wrote:
On Sat, May 16, 2015 at 4:45 AM, Ethan Furman <et...@stoneleaf.us> wrote:
On 05/15/2015 06:04 AM, Mark Lawrence wrote:

C:\Users\Mark\Documents\MyPython>pip install --no-cache-dir
--trusted-host http://www.lfd.uci.edu/ -U -f
http://www.lfd.uci.edu/~gohlke/pythonlibs/ numba



Collecting numba
    This repository located at www.lfd.uci.edu is not a trusted host, if
this repository is available via HTTPS it is recommend to use HTTPS
instead, otherwise you may silence this warning with '--trusted-host
www.lfd.uci.edu'.
    DEPRECATION: Implicitly allowing locations which are not hosted at a
secure origin is deprecated and will require the use of --trusted-host
in the future.
    Downloading numba-0.18.2.tar.gz (507kB)
      100% |################################| 507kB 373kB/s


I particularly like how, when you specify --trusted-host, you still get all
the warnings to use --trusted-host... not.

Actually, I suspect the note is telling you to use "--trusted-host
www.lfd.uci.edu" rather than "--trusted-host http://www.lfd.uci.edu/";
- so it's as if the option wasn't specified at all. But pip can be a
little hard to understand sometimes (just ask Prince Edward, who had
no end of trouble understanding the poor chipmonk!), so I may very
well be wrong here.

ChrisA


I'm putting this here FTR as I'm too knackered to follow up right now.

After a bit more digging I ended up with this.

C:\Users\Mark\Documents\MyPython>pip install --trusted-host www.lfd.uci.edu/ -U http://www.lfd.uci.edu/~gohlke/pythonlibs/numba-0.18.2-cp34-none-win_amd64.whl Collecting numba==0.18.2 from http://www.lfd.uci.edu/~gohlke/pythonlibs/numba-0.18.2-cp34-none-win_amd64.whl Downloading http://www.lfd.uci.edu/~gohlke/pythonlibs/numba-0.18.2-cp34-none-win_amd64.whl
  Exception:
  Traceback (most recent call last):
File "C:\Python34\lib\site-packages\pip\basecommand.py", line 246, in main
      status = self.run(options, args)
File "C:\Python34\lib\site-packages\pip\commands\install.py", line 342, in run
      requirement_set.prepare_files(finder)
File "C:\Python34\lib\site-packages\pip\req\req_set.py", line 345, in prepare_files
      functools.partial(self._prepare_file, finder))
File "C:\Python34\lib\site-packages\pip\req\req_set.py", line 290, in _walk_req_to_install
      more_reqs = handler(req_to_install)
File "C:\Python34\lib\site-packages\pip\req\req_set.py", line 487, in _prepare_file
      download_dir, do_download, session=self.session,
File "C:\Python34\lib\site-packages\pip\download.py", line 827, in unpack_url
      session,
File "C:\Python34\lib\site-packages\pip\download.py", line 677, in unpack_http_url
      unpack_file(from_path, location, content_type, link)
File "C:\Python34\lib\site-packages\pip\utils\__init__.py", line 630, in unpack_file
      flatten=not filename.endswith('.whl')
File "C:\Python34\lib\site-packages\pip\utils\__init__.py", line 509, in unzip_file
      zip = zipfile.ZipFile(zipfp, allowZip64=True)
    File "C:\Python34\lib\zipfile.py", line 937, in __init__
      self._RealGetContents()
    File "C:\Python34\lib\zipfile.py", line 978, in _RealGetContents
      raise BadZipFile("File is not a zip file")
  zipfile.BadZipFile: File is not a zip file

The same file installed perfectly when downloaded and installed in two steps. Whether this is simply a known bug with zipfile handling, pip itself, a combination of both or what I've no idea.

I find it slightly irritating that a tool recommended by the Python Packaging Authority behaves in such a way, but then I didn't have to dip into my pocket to pay for it and certainly won't lose any sleep over it as there's such a simple work around.

--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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