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More robust gen_protos on jenkins. #3224

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robertwb wants to merge 2 commits into from
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More robust gen_protos on jenkins. #3224

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662414a
More robust gen_protos on jenkins.
robertwb May 25, 2017
c74b608
minor cleanup
robertwb May 25, 2017
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12 changes: 9 additions & 3 deletions sdks/python/gen_protos.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import multiprocessing
import os
import pkg_resources
import shutil
import subprocess
import sys
import warnings
Expand Down Expand Up @@ -55,10 +56,11 @@ def generate_proto_files():
if out_files and not proto_files:
# We have out_files but no protos; assume they're up to date.
# This is actually the common case (e.g. installation from an sdist).
logging.info('No proto files; using existing generated files.')
return

elif not out_files and not proto_files:
if not common:
if not os.path.exists(common):
raise RuntimeError(
'Not in apache git tree; unable to find proto definitions.')
else:
Expand Down Expand Up @@ -105,9 +107,13 @@ def generate_proto_files():
def _install_grpcio_tools_and_generate_proto_files():
install_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)), '.eggs', 'grpcio-wheels')
logging.warning('Downloading a grpcio-tools to %s' % install_path)
build_path = install_path + '-build'
if os.path.exists(build_path):
shutil.rmtree(build_path)
logging.warning('Installing grpcio-tools into %s' % install_path)
subprocess.check_call(
['pip', 'install', '-t', install_path, '--upgrade', GRPC_TOOLS])
['pip', 'install', '--target', install_path, '--build', build_path,
'--upgrade', GRPC_TOOLS])
sys.path.append(install_path)
generate_proto_files()

Expand Down