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Add better error messages in the generator when libraries cannot be imported.

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Fixes issue #5.
This commit is contained in:
Petteri Aimonen
2012-05-19 21:25:10 +03:00
parent d1ca88d20e
commit f9501ca185
1 changed files with 22 additions and 2 deletions
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24
generator/nanopb_generator.py
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@@ -1,7 +1,27 @@
'''Generate header file for nanopb from a ProtoBuf FileDescriptorSet.'''
import google.protobuf.descriptor_pb2 as descriptor
import nanopb_pb2
try:
import google.protobuf.descriptor_pb2 as descriptor
except:
print
print "*************************************************************"
print "*** Could not import the Google protobuf Python libraries ***"
print "*** Try installing package 'python-protobuf' or similar. ***"
print "*************************************************************"
print
raise
try:
import nanopb_pb2
except:
print
print "***************************************************************"
print "*** Could not import the precompiled nanopb_pb2.py. ***"
print "*** Run 'make' in the 'generator' folder to update the file.***"
print "***************************************************************"
print
raise
import os.path
# Values are tuple (c type, pb ltype)