Only download SFD in CI and cache it

.github/workflows/build.yml

@@ -17,6 +17,11 @@ jobs:
  numpy-version: ["1.22","1.23","1.24"]
  steps:
  - uses: actions/checkout@v3
+ - name: Cache dust maps
+ uses: actions/cache@v3
+ with:
+ path: ${{github.workspace}}/data/
+ key: sfd-${{ runner.os }}-
  - name: Set up Python ${{ matrix.python-version }}
  uses: actions/setup-python@v4
  with:
@@ -30,12 +35,12 @@ jobs:
  if: runner.os == 'Windows'
  env:
  DUST_DIR: ${{github.workspace}}/data/
- run: New-Item -ItemType directory -Path $env:DUST_DIR
+ run: New-Item -ItemType directory -Force -Path $env:DUST_DIR
  - name: Create data directory
  if: runner.os != 'Windows'
  env:
  DUST_DIR: ${{github.workspace}}/data/
- run: mkdir $DUST_DIR 
+ run: mkdir -p $DUST_DIR 
  - name: Test downloads
  env:
  DUST_DIR: ${{github.workspace}}/data/
@@ -45,7 +50,7 @@ jobs:
  env:
  DUST_DIR: ${{github.workspace}}/data/
  run: |
- pip install .
+ python setup.py develop --just-sfd
  - name: Test package
  env:
  DUST_DIR: ${{github.workspace}}/data/

setup.py

@@ -57,6 +57,22 @@
  _DOWNLOAD_COMBINED= False
  _DOWNLOAD_COMBINED19= False
 
+try:
+ just_sfd_pos = sys.argv.index('--just-sfd')
+except ValueError:
+ pass
+else:
+ del sys.argv[just_sfd_pos]
+ _DOWNLOAD_SFD= True
+ _DOWNLOAD_DRIMMEL= False
+ _DOWNLOAD_MARSHALL= False
+ _DOWNLOAD_SALE= False
+ _DOWNLOAD_GREEN= False
+ _DOWNLOAD_GREEN17= False
+ _DOWNLOAD_GREEN19= False
+ _DOWNLOAD_COMBINED= False
+ _DOWNLOAD_COMBINED19= False
+
 try:
  test_downloads_pos= sys.argv.index('--test-downloads')
 except ValueError:

tests/test_extcurve.py

@@ -13,8 +13,8 @@
 def test_avebv(ll,bb,dist):
  # Simple test of the extinction curve, using Drimmel03 as an example
  # Test that A_V/E(B-V) = 3.1 for the CTIO V filter
- from mwdust import Drimmel03
- drim_av= Drimmel03(filter='CTIO V')
- drim_ebv= Drimmel03()
- assert numpy.fabs(drim_av(ll,bb,dist)/drim_ebv(ll,bb,dist)/0.86-3.1) < 0.02
+ from mwdust import SFD
+ sfd_av= SFD(filter='CTIO V')
+ sfd_ebv= SFD()
+ assert numpy.fabs(sfd_av(ll,bb,dist)/sfd_ebv(ll,bb,dist)/0.86-3.1) < 0.02
  return None