[solvebio installation] ignore xattrs dependencies

.gitignore

@@ -12,7 +12,6 @@
 /src/.setup_doc_virtualenv
 /src/java/target/
 /src/java/src/main/java/com/dnanexus/DXToolkitVersion.java
-/src/python/dxpy/toolkit_version.py
 /src/python/coverage-reports/
 /src/R/install_dxR_deps.Rout
 /src/R/dxR*.tar.gz

src/python/dxpy/toolkit_version.py

@@ -0,0 +1 @@
+version = '0.218.0'

src/python/requirements.txt

@@ -4,4 +4,7 @@ python-magic==0.4.6
 beautifulsoup4==4.4.1
 psutil>=3.3.0
 requests>=2.8.0
-cryptography<=2.2.2
+# cryptography<=2.2.2
+# Needed for compiling against libressl
+# https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst#23---2018-07-18
+cryptography<=2.3.1

src/python/setup.py

@@ -64,7 +64,15 @@
     dependencies.extend(backports_dependencies)
     # dxfs is not compatible with Windows, and is currently disabled on Python 3
     if platform.system() != 'Windows':
-        dependencies.extend(dxfs_dependencies)
+        # dependencies.extend(dxfs_dependencies)
+        print 'Skipping installation of dxfs dependencies!'
+        print ''
+        print 'SolveBio deploys on the Alpine Linux distribution, which does '
+        print 'not appear to be compatible with the xattrs (extended attributes) '
+        print 'package, which dxpy utilizes to provide a virtual filesystem on '
+        print 'the guest host. Since SolveBio does not use this functionality of '
+        print 'dxpy, it is believed safe to proceed without it.'
+        print ''
 
 if 'DNANEXUS_INSTALL_PYTHON_TEST_DEPS' in os.environ:
     dependencies.extend(test_dependencies)