Update sweep function in cq.py add test case and example

[jpmlt]

Update sweep function to allow to create only one solid swept along path with shape following the list of wires on the chain.
Update testcase by adding new test to use new functionality : testSweepAlongListOfWires
Add new example Ex034
JPM

[AppVeyorBot]

❌ Build cadquery 1.0.8 failed (commit 227ee95323 by @jpmlt)

[coveralls]

Coverage increased (+0.1%) to 92.304% when pulling d40d8f4 on jpmlt:multi-sweep-branch into 980ca90 on dcowden:master.

[dcowden]

@jpmlt thanks for the contribution!

It looks like the python3 build failed due to missing conda package.

PackagesNotFoundError: The following packages are not available from current channels:

• freecad==0.17=py36_11

I'll have a look at that when i get the chance.

[dcowden]

@jmwright you are more familiar with sweep-- what do you think about this PR?
It has an example and a working test so its ok with me!

[AppVeyorBot]

❌ Build cadquery 1.0.9 failed (commit cee6194c46 by @jpmlt)

[jmwright]

@dcowden I won't get to check it until tonight. I'm curious if it fixes #186 as well.

@adam-urbanczyk Any thoughts on the missing FreeCAD Conda package?

[adam-urbanczyk]

@dcowden @jmwright weird I triggered the appveyor build again to be sure, but still failes on the package not available. The funny thing is that I see it still being there:

https://anaconda.org/freecad/freecad/files/modal/info/5ab4b7bce586bb11eae249c3

I will try to reproduce this problem on a local PC.

[AppVeyorBot]

❌ Build cadquery 1.0.12 failed (commit cee6194c46 by @jpmlt)

[AppVeyorBot]

❌ Build cadquery 1.0.13 failed (commit cee6194c46 by @jpmlt)

[adam-urbanczyk]

Looks like I fixed it (Cf. #249). I think long term solution would be to make our own conda channel with all dependencies.

[dcowden]

@jpmlt can you merge master into your branch and then push again? I think your build will pass then

[AppVeyorBot]

✅ Build cadquery 1.0.15 completed (commit c3e7fc698d by @jpmlt)

[codecov-io]

Codecov Report

Merging #251 into master will increase coverage by 0.12%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #251      +/-   ##
==========================================
+ Coverage   92.73%   92.85%   +0.12%     
==========================================
  Files          10       10              
  Lines        2174     2183       +9     
==========================================
+ Hits         2016     2027      +11     
+ Misses        158      156       -2

Impacted Files	Coverage Δ
cadquery/cq.py	94.5% <100%> (+0.07%)	⬆️
cadquery/freecad_impl/shapes.py	91.38% <0%> (+0.23%)	⬆️
cadquery/freecad_impl/geom.py	92.47% <0%> (+0.31%)	⬆️

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[dcowden]

@jmwright this looks ok with me. does it look ok to you?

[jmwright]

@dcowden I've tested it in our workbench and it looks great.

@jpmlt Thank you for the contribution!

[dcowden]

Thanks @jmwright for testing

@jpmlt thank you for jumping in! I know it probably took a lot of extra time to come up to speed on the whole git process-- but thanks for your willingness to do so!

Please feel freel to help us keep improving cadquery! We're seeing a lot of community help/adoption!