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Update gaeDataExport.py #2

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90f460c
Update gaeDataExport.py
benamar Oct 6, 2017
398b8c3
Update gaeDataExport.py
benamar Oct 6, 2017
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23 changes: 23 additions & 0 deletions gaeDataExport.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@

#
# Reads data from a Google App Engine backup and exports it to a CSV file
# to stop all process
# kill -TERM -$(pgrep -o python)
#

import sys
Expand Down Expand Up @@ -142,6 +144,25 @@ def process(output_dir, time_capture, table_tuple, writeFn):
with open(join(output_dir, table_name + '.csv'), 'w') as write_file:
write_file = csv.writer(write_file)
# read files, process, and write
#print 'filenames',filenames
#print "______________________ extract for ", table_name, ' ______________'
header_list = []
display_header_list = ['key']
for filename in filenames:
path = join(root, filename)
with open(path, 'r') as raw_file:
reader1 = records.RecordsReader(raw_file)
for record in reader1:
entity_proto1 = entity_pb.EntityProto(contents=record)
entity1 = datastore.Entity.FromPb(entity_proto1)
headers = parseHeaderFields(entity1)
for header in headers:
if len(headers) > len(header_list):
header_list = headers
#print 'header_list=',header_list
display_header_list.extend(header_list)
#print "header_list", header_list
writeFn(write_file, None, display_header_list)
for filename in filenames:
path = join(root, filename)
with open(path, 'r') as raw_file:
Expand Down Expand Up @@ -180,12 +201,14 @@ def displayResults(results, total_time):
types = len(results)
total_count = sum([result.count for result in results])
total_run_time = sum([result.run_time for result in results])
total_count = total_count or 1
avg_ms_per_obj = total_run_time * 1000 / total_count
print 'Converted {types:d} types with a total of {count:d} objects | total running time = {run:.2f} seconds | {rate:.2f} ms/obj | total time = {total:.2f} seconds'.format(types=types, count=total_count, run=total_run_time, rate=avg_ms_per_obj, total=total_time)

def main():
input_dir, output_dir = getDirs()
table_list = listFiles(input_dir)
print "found ",table_list

concurrency = cpu_count()
print 'Using {0:d} Processes'.format(concurrency)
Expand Down