Yes, for now we could just package SymPy with PyDy as a git submodule. Then change the namespace so you
from pydy import ReferenceFrame, etc and from pydy.visualization import VisualizationFrame We'd still have: from sympy import symbols But at least it would be one package. Jason moorepants.info +01 530-601-9791 On Tue, Aug 13, 2013 at 12:39 PM, Chris Dembia <chris5...@gmail.com> wrote: > Those 2 points are very interesting. > > Can we have two ways to obtain PyDy? Maybe using git submodules or > something? I know this could turn into a mess, as it potentially requires > maintenance of two different code bases: > > sympy.physics.mechanics, which is PyDy without viz > > and PyDy, downloaded from pydy.org, etc., which contains VIZ. > > This seems to combine the best of both worlds (mainly: keeps us with SymPy > but avoids bringing VIZ and javascript into SymPy), with the cost being > greater necessary maintenance. > > > On Tue, Aug 13, 2013 at 8:49 AM, Jason Moore <moorepa...@gmail.com> wrote: > >> I think a new PyDy distribution may be the way to go too, not sure about >> the timing yet. We can still interact with SymPy and contribute just as >> much as the past but we do throw away this feature of being part of SymPy: >> >> Any changes made to SymPy must pass our tests. >> >> This has been very valuable so far and relieves us from having to deal >> with the whole version deal (SymPy versions have historically come out >> slow, but may change now that the process is mostly automated.). But we >> could setup tests in SymPy's Travis system for the PyDy package at least >> till the SymPy API stablizes enough for us. >> >> I've noticed too how having this pydy viz project this summer feels more >> lonely. The mailing list, the irc channel, and general chatter about things >> is low because we have few members in pydy. As oppose to our development >> happening in the SymPy realm and we get comments and contributions from >> lots of people. >> >> >> >> Jason >> moorepants.info >> +01 530-601-9791 >> >> >> On Tue, Aug 13, 2013 at 11:42 AM, Chris Dembia <chris5...@gmail.com>wrote: >> >>> I vote option #3; a new distribution. >>> >>> Aside from testing, is the purpose of having pydy in sypmy the >>> visibility of the package? >>> >>> I feel that if we have a package that has dependencies that sympy, in >>> general, does not have, then we should not place that package within sympy. >>> >>> The reason I vote for #3 is because if I were new to pydy, this is how I >>> would want to obtain the software. I wouldn't want to download 2 different >>> modules. >>> >>> >>> >>> >>> On Tue, Aug 13, 2013 at 7:09 AM, Jason Moore <moorepa...@gmail.com>wrote: >>> >>>> Once GSoC ends it will rely on a brand new vector calculus package that >>>> Prasoon is working on, so not so stable. >>>> >>>> But right now, it relys on SymPy pieces like Symbol, taking >>>> derivatives, Matrices, substitutions and replacements. Gilber could comment >>>> more fully as he knows the code base best. >>>> >>>> >>>> Jason >>>> moorepants.info >>>> +01 530-601-9791 >>>> >>>> >>>> On Tue, Aug 13, 2013 at 10:00 AM, Matthew Rocklin >>>> <mrock...@gmail.com>wrote: >>>> >>>>> On what subset of SymPy does PyDy and sympy.mechanics rely? How >>>>> stable is this subset? >>>>> >>>>> >>>>> On Tue, Aug 13, 2013 at 8:53 AM, Jason Moore <moorepa...@gmail.com>wrote: >>>>> >>>>>> Tarun's making good progress on the pydy viz package. The python code >>>>>> is basically done and he's working on the js stuff now. >>>>>> >>>>>> https://github.com/PythonDynamics/pydy-viz >>>>>> >>>>>> Couple of questions for the group: >>>>>> >>>>>> 1. Where should this package belong? >>>>>> >>>>>> Options are: >>>>>> >>>>>> in sympy.physics.mechanics >>>>>> in a standalone package (as it is now) >>>>>> in a new PyDy distribution that includes visualization as a package >>>>>> other >>>>>> >>>>>> These also beg the questions: >>>>>> >>>>>> - should we create a new PyDy package that has all the mechanics code >>>>>> and the new stuff and make SymPy a dependency? >>>>>> - just push everything into sympy? (people have varying opinions on >>>>>> this practice) >>>>>> >>>>>> If we are in SymPy our tests are in SymPy, which is super beneficial >>>>>> because we rely so heavily on SymPy's code base. It will be more so once >>>>>> the new vector calc module is done. But there is also confusion because >>>>>> we >>>>>> have two names: SymPy and PyDy and installation is weird. We are going to >>>>>> continue to develop numerical and visualization related stuff that >>>>>> doesn't >>>>>> really fit into SymPy's mission as a CAS, but you do find similar stuff >>>>>> in >>>>>> Mathematica, for example. >>>>>> >>>>>> Any thoughts? >>>>>> >>>>>> Jason >>>>>> moorepants.info >>>>>> +01 530-601-9791 >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "sympy" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to sympy+unsubscr...@googlegroups.com. >>>>>> To post to this group, send email to sympy@googlegroups.com. >>>>>> Visit this group at http://groups.google.com/group/sympy. >>>>>> >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "sympy" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to sympy+unsubscr...@googlegroups.com. >>>>> To post to this group, send email to sympy@googlegroups.com. >>>>> Visit this group at http://groups.google.com/group/sympy. >>>>> >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>>> >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "PyDy" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to pydy+unsubscr...@googlegroups.com. >>>> To post to this group, send email to p...@googlegroups.com. >>>> Visit this group at http://groups.google.com/group/pydy. >>>> >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "PyDy" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to pydy+unsubscr...@googlegroups.com. >>> To post to this group, send email to p...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/pydy. >>> >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "PyDy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to pydy+unsubscr...@googlegroups.com. >> To post to this group, send email to p...@googlegroups.com. >> Visit this group at http://groups.google.com/group/pydy. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "PyDy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pydy+unsubscr...@googlegroups.com. > To post to this group, send email to p...@googlegroups.com. > Visit this group at http://groups.google.com/group/pydy. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "sympy" group. 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