I have installed esa-snap_windows_2_0-latest.exe (beta-08) on Windows 7 using ArcGIS Python-2.7 (32-bit). The only python.exe on the system is the 32-bit ArcGIS version. C:\Users\<user>\.snap\snap-python\snappy\snappyutil.log has:
INFO: Installing from Java module 'C:\Program Files (x86)\snap\snap\modules\org-esa-snap-snap-python.jar'
WARNING: Architecture requirement possibly not met: Python is amd64 but JVM requires x86
INFO: Installing jpy...
INFO: Extracting 'lib/jpy-0.8.0-cp27-none-win32.whl' from 'C:\Program Files (x86)\snap\snap\modules\org-esa-snap-snap-python.jar'
INFO: Unzipping 'C:\Users\<user>\.snap\snap-python\snappy\lib\jpy-0.8.0-cp27-none-win32.whl'
INFO: Configuring jpy...
INFO: jpy Python API configuration written to 'C:\Users\<user>\.snap\snap-python\snappy\jpyconfig.py'
INFO: jpy Java API configuration written to 'C:\Users\<user>\.snap\snap-python\snappy\jpyconfig.properties'
INFO: Configuring snappy...
INFO: snappy configuration written to 'C:\Users\<user>\.snap\snap-python\snappy\snappy.ini'
INFO: Importing snappy for final test...
INFO: Done. The SNAP-Python interface is located in 'C:\Users\<user>\.snap\snap-python\snappy'
When using SNAP from Python, either do: sys.path.append('C:\\Users\\<user>\\.snap\\snap-python\\snappy')
or copy the snappy module into your Python's 'site-packages' directory.
Attempting to run a snappy example fails as follows:
PS C:\Users\<user>\.snap\snap-python\snappy\examples> python snappy_bmaths.py ..\testdata\MER_FRS_L1B_SUBSET.dim
Reading...
java.lang.UnsatisfiedLinkError: C:\Program Files (x86)\snap\snap\modules\lib\amd64\jhdf5.dll: Can't load AMD 64-bit .dll on a IA 32-bit platform