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[python #NMJ-899116]: Metpy/Cartopy Issues



Great, that's the issue! The accessor was added in MetPy v0.8, and we're
currently on version 0.10.2. If you run "pip install --upgrade metpy", this
should upgrade you to 0.10.2. You'll have all of the latest functionality
then, including the xarray accessor. You'll probably want to run this
command regularly to stay up-to-date with future releases (although we will
soon stop support of Python 2.7, so 0.11 will be the last update you can
get until you switch to Python 3). Let us know if you run into any issues
once you update.

Thanks,
Zach

On Thu, Sep 26, 2019 at 3:52 PM JP Kalb <address@hidden>
wrote:

> New Client Reply: Metpy/Cartopy Issues
>
> It says Metpy 0.5.1
> JP Kalb
>
>     On Thursday, September 26, 2019, 02:50:57 PM PDT, Unidata Python
> Support <address@hidden> wrote:
>
>  Hi,
>
> Can you run "pip list" on the command line and see the version for
> packages? I'm not familiar with Canopy, but from what I see online, this
> should list all packages available to you. This should yield the version
> info for each package.
>
> Thanks,
> Zach
>
> On Thu, Sep 26, 2019 at 3:42 PM JP Kalb <address@hidden>
> wrote:
>
> > New Client Reply: Metpy/Cartopy Issues
> >
> > I tried the commands but I couldn't as I did the pip install on Enthought
> > Canopy.
> > JP Kalb
> >
> > address@hidden> wrote:
> >
> >  I wonât be able to get to it for a few days as Iâm on vacation
> >
> >
> > Sent from Yahoo Mail for iPhone
> >
> >
> > address@hidden> wrote:
> >
> > Ok thanks for that info. Also I know you said you installed metpy via
> pip .
> > We have a couple people digging into this to see what's happening. Can
> you
> > confirm the version for us so that we can test things properly on our
> side?
> > You can get it by doing:
> > import metpy
> > print metpy.__version__
> >
> > Thanks,
> > Zach
> >
> > > Python 2.7 I think. I was the one who posted on Stack
> > >
> > >
> > > Sent from Yahoo Mail for iPhone
> > >
> > >
> > address@hidden> wrote:
> > >
> > > Hi!
> > >
> > > Your code looks like it should work. We just had someone else report
> > this same error on StackOverflow, so we're going to dig in more to see
> > what's going on. The only other version item I didn't get from you is
> what
> > version of Python you're using. We will work on this and let you know
> when
> > we figure out what's going on.
> > >
> > > Thanks,
> > > Zach
> > >
> > > > I have tried import metpy but it is still giving me the
> > ( AttributeError: 'Dataset' object has no attribute 'metpy' ) error. I am
> > curious if you could show me what you did on your end to get it working
> so
> > I could see what my difference is. I have attached my current form fo the
> > code including the import metpy.
> > > >
> > > > On Friday, September 20, 2019, 12:38:58 PM PDT, wrote:
> > > >
> > > > I think in the code I sent I had it in there
> > > >
> > > >
> > > > Sent from Yahoo Mail for iPhone
> > > >
> > > >
> > address@hidden> wrote:
> > > >
> > > > Thank you for providing the data! That was very helpful. However, I
> > was able to plug it into the code you provided. The only way I was able
> to
> > recreate your problem is if I didn't import anything from MetPy. Then the
> > code returned the same error you provided. As long as you import
> something
> > from MetPy, the xarray accessor should work.
> > > >
> > > > Zach
> > > >
> > > > > Here is the link to the nc file
> > https://drive.google.com/open?id=1xS_u7hFgLXGVEDCvvWfkrWQiG9fDGfoV
> > > > >
> > > > > On Wednesday, September 18, 2019, 12:28:12 PM PDT,
> > > > > What email can i use to send it.
> > > > >
> > > > > On Wednesday, September 18, 2019, 09:08:51 AM PDT, Unidata Python
> > Support <address@hidden> wrote:
> > > > >
> > > > > > Ok, it shouldn't be xarray, as we test for compatibility, so
> we'll
> > move past that for now. Is there a way to subset this file and provide it
> > via dropbox/drive/or some other method? Until we're able to recreate it
> on
> > our side, I'm not sure what's going on here, as the same script with a
> > different netCDF file works for me.
> > > > >
> > > > > Thanks,
> > > > > Zach
> > > > > >
> > > > > >
> > > > > > On Monday, September 16, 2019, 10:44:14 AM PDT,
> > > > > >
> > > > > > I just tried the pip install upgrade but it says that the 0.11.3
> > is the current one on Canopy.
> > > > > >
> > > > > > On Monday, September 16, 2019, 10:38:03 AM PDT, Unidata Python
> > Support <address@hidden> wrote:
> > > > > >
> > > > > > Thanks for the version information. Could you update xarray to
> the
> > current version (v0.12.3) with pip install --upgrade xarray, and then
> rerun
> > the script? Just trying to see if some kind of incompatibility error has
> > crept up here.
> > > > > >
> > > > > > Thanks,
> > > > > > Zach
> > > > > > >
> > > > > > >
> > > > > > > On Monday, September 16, 2019, 10:32:51 AM PDT,
> > > > > > >
> > > > > > > I'm using the metpy that's available by the pip install metpy .
> > Xarray is currently at 0.11.3-4
> > > > > > >
> > > > > > > On Monday, September 16, 2019, 10:28:09 AM PDT, Unidata Python
> > Support <address@hidden> wrote:
> > > > > > >
> > > > > > > Thanks for sending that. This looks identical to the tutorial
> > script (which works for me), at least through line 15. What version of
> > MetPy are you using? Have you tried running the lines in order? If you
> run
> > either line 7 or 9 (the MetPy import statements), then line 15 should
> work.
> > If you run lines 1 to 15 and still get this problem, and are using MetPy
> > v0.10.2, then we'll work to get a subset of your data maybe. Also knowing
> > the version of Xarray that you're using may be helpful too.
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Zach
> > > > > > >
> > > > > > > > Here is the code as the nc/grib2files are so big.
> > > > > > > >
> > > > > > > > On Monday, September 16, 2019, 09:44:57 AM PDT, Unidata
> Python
> > Support <address@hidden> wrote:
> > > > > > > >
> > > > > > > > Hi!
> > > > > > > >
> > > > > > > > Can you send your script (if you've modified it from the
> > tutorial posted online) and data (if it's not too big)? Theoretically,
> the
> > MetPy Xarray accessor should be registered once you import anything from
> > MetPy (like the script does in line 9). So if you run this script from
> top
> > to bottom and you still get this error, that's definitely an issue we
> need
> > to investigate .
> > > > > > > >
> > > > > > > > Zach
> > > > > > > >
> > > > > > > > > I found the cartopy package after I had sent the email.
> > However, a new problem has came up
> > > > > > > > >
> > > > > > > > > Even though I have pip installed metpy.
> > > > > > > > >
> > > > > > > > > |
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Thursday, September 12, 2019, 10:27 AM, Unidata Python
> > Support <address@hidden> wrote:
> > > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > So the error is complaining about not being able to find
> the
> > GEOS library on your system when it's trying to build CartoPy from
> source .
> > Looking at CartoPy's install instructions:
> > > > > > > > >
> > > > > > > > >
> > https://scitools.org.uk/cartopy/docs/latest/installing.html#installing
> > > > > > > > >
> > > > > > > > > It appears that Canopy should have packages for CartoPy
> > available, which I also see in the official Canopy package list:
> > > > > > > > >
> > > > > > > > > https://www.enthought.com/product/canopy/#/package-index
> > > > > > > > >
> > > > > > > > > So my advice would be to use Canopy's installer to install
> a
> > prebuilt CartoPy package.
> > > > > > > > >
> > > > > > > > > Ryan
> > > > > > > > >
> > > > > > > > > > Hi there, I am trying to follow the xarray with MetPy
> > Tutorial â MetPy 0.10 tutorial. However, I am getting an error about
> > cartopy (Picture attached). I googled and I tried to do pip install
> cartopy
> > but I got another error (Picture also attached). I am curious if there
> is a
> > way to fix this?
> > > > > > > > > >
> > > > > > > > > > |
> > > > > > > > > > |
> > > > > > > > > > |  |
> > > > > > > > > > xarray with MetPy Tutorial â MetPy 0.10
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > > Ticket Details
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> Ticket Details
> ===================
> Ticket ID: NMJ-899116
> Department: Support Python
> Priority: Low
> Status: Open
> ===================
> NOTE: All email exchanges with Unidata User Support are recorded in the
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> Ticket Details
> ===================
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> Department: Support Python
> Priority: Low
> Status: Open
> Link:
> https://andy.unidata.ucar.edu/staff/index.php?_m=tickets&_a=viewticket&ticketid=30704
>
>



Ticket Details
===================
Ticket ID: NMJ-899116
Department: Support Python
Priority: Low
Status: Open
===================
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata 
inquiry tracking system and then made publicly available through the web.  If 
you do not want to have your interactions made available in this way, you must 
let us know in each email you send to us.