Hi Xin, Thanks for letting us know - it is useful to have the feedback. I think the gratitude must go to Morag here :).
Kind regards, Adam Isaacson South African Radio Astronomy Observatory (SARAO) Hardware Manager Cell: (+27) 825639602 Tel: (+27) 215067300 email: [email protected] On Tue, Mar 30, 2021 at 3:50 PM Xin Cui <[email protected]> wrote: > Hi Morag, Adam, > > > > I would like to give you an update on my toolflow configuration. As Morag > suggested, the errors message I posted in my previous email are not > problems for the toolflow configuration. I finished all the configuration > following the steps in the instruction, now I can start up the Matlab from > executing the `startsg` file. > > > > I am going through the tutorial for SNAP. I will get back to you if I have > further questions. > > > > Thanks for helping! > > ********************************************* > > Xin Cui > > Electronic Support Team > > Addr: McGill University, Department of Physics > > 3600 University Street > > Rutherford Physics Building > > Montreal Quebec > > H3A 2T8 > > Office: Room 228 > > Tel: (514) 398-7025 > > ********************************************* > > > > > > *From: *Xin Cui <[email protected]> > *Sent: *March 26, 2021 10:32 AM > *To: *[email protected] > *Subject: *RE: [casper] Failed to install `virtualenv` > > > > Hi Morag, > > > > Thanks for your detailed explanation. It is very informative and helpful. > In that case, I think I will move forward with the toolflow configuration. > I will get back to you if I have other questions. > > > > Thanks again! > > ********************************************* > > Xin Cui > > Electronic Support Team > > Addr: McGill University, Department of Physics > > 3600 University Street > > Rutherford Physics Building > > Montreal Quebec > > H3A 2T8 > > Office: Room 228 > > Tel: (514) 398-7025 > > ********************************************* > > > > > > *From: *Morag Brown <[email protected]> > *Sent: *March 26, 2021 10:23 AM > *To: *[email protected] > *Subject: *Re: [casper] Failed to install `virtualenv` > > > > Hi Xin, > > > > > However, the last line mentioned that some packages installed > successfully. Should I care about the error messages? > > I think you can disregard those messages (but someone please correct me if > I'm wrong). As far as I know, a wheel is a ready to install package > distribution that makes installation easier/faster. I think if pip can't > build a wheel for a package, it then reverts to installing it directly, and > it seems those direct installs were successful. > > > > > So, should I install a python3 under virtual environment, or run `sudo > pip3 install`? > > So a virtual environment is a local python environment that is isolated > from your operating system's python version. The idea is that you can > install specific dependencies/packages in the virtual environment without > affecting anything in the system python version. If you create a python 3 > virtual environment, then python 3 will be installed in that environment by > default. If you activate the virtual environment and just run *"pip3 > install <package>", *the package will install in your virtual > environment. If you run *"sudo pip3 install"* even if you've activated > your virtual environment, the package will be installed in your system's > python version. > > > > So if you're using a virtual environment, don't use sudo or the packages > won't be installed in your virtual env. > > > > Hope this helps! > > Morag > > > > On Fri, Mar 26, 2021 at 4:03 PM Xin Cui <[email protected]> wrote: > > Hi Morag, > > > > Thanks a lot for your feedback. I can move forward after doing your > suggested commands. But I got the following error message after running > `pip3 install -r requirements.txt`: > > > > However, the last line mentioned that some packages installed > successfully. Should I care about the error messages? > > > > From the instruction, it reads that if the python3 is installed in system > environment, I need to run `pip3 install` as administrator. As I mentioned, > I installed the python3 by using `sudo`, so I think the python3 should have > been installed in the system, but not the virtual environment. So, should I > install a python3 under virtual environment, or run `sudo pip3 install`? > > *From:* Morag Brown <[email protected]> > *Sent:* March 26, 2021 2:05 AM > *To:* [email protected] <[email protected]> > *Subject:* Re: [casper] Failed to install `virtualenv` > > > > Hi Xin, > > > > Using virtualenv no longer works - people smarter and more knowledgeable > than I way know why. > > > > As an alternative, you can use "*python3 -m venv*" to create a virtual > environment. Sourcing the venv is the same (*source > /path/to/venv/bin/activate*), and then install the requirements.txt file > within the venv as per the rest of the instructions > > > > Will update the docs to reflect this new method when I get a chance. Sorry > for the frustration! > > > > Morag > > > > On Fri, 26 Mar 2021, 04:03 Xin Cui, <[email protected]> wrote: > > Hello, > > > > I am trying to set up working environment to run SNAP. According to the > instruction > <https://casper-toolflow.readthedocs.io/en/latest/src/Installing-the-Toolflow.html>, > I finished the installation of Matlab and Vivado on Ubuntu16.04. Now I am > trying to create Python3 virtual environment. I failed to install the virtual > environment by running `sudo pip3 install virtualenv`, I got the following > error message: > > > > > > There is only one command I ran differently from the instruction > <https://casper-toolflow.readthedocs.io/en/latest/src/Installing-the-Toolflow.html> > : > > `apt-get install python3 python3-pip` > > I used `sudo` when I ran this command. I am not sure if it matters. > > > > Do you have any suggestions to fix the problem? > > > > Thanks, > > ********************************************* > > Xin Cui > > Electronic Support Team > > Addr: McGill University, Department of Physics > > 3600 University Street > > Rutherford Physics Building > > Montreal Quebec > > H3A 2T8 > > Office: Room 228 > > Tel: (514) 398-7025 > > ********************************************* > > > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18545EF9E2BFD2601E04CF63CA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18545EF9E2BFD2601E04CF63CA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGH-0Teu4b3G6uumK2Gz8Mo3QxzPsToPnrc8MfDunXCQBqzeDg%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGH-0Teu4b3G6uumK2Gz8Mo3QxzPsToPnrc8MfDunXCQBqzeDg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18544D8D0CAAF13673B60B4DCA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18544D8D0CAAF13673B60B4DCA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGH-0TehuyPQKHbatRN2GunDAtPjzNMY0JHViwtnj3gwyMf12A%40mail.gmail.com > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAGH-0TehuyPQKHbatRN2GunDAtPjzNMY0JHViwtnj3gwyMf12A%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB1854250E2C8EC094F0445E98CA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB1854250E2C8EC094F0445E98CA619%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > > > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18542AB0989CD1628B5C62FECA7D9%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM > <https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/YTXPR0101MB18542AB0989CD1628B5C62FECA7D9%40YTXPR0101MB1854.CANPRD01.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CADTJ%3DnEwfsW845N1KpL2Tf8%3DmDoxac%3D4PSo3xo%3D%3DEgg9Kdr8ig%40mail.gmail.com.
