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d202d6a967
Python tests and infra scripts will now use "python" from the virtualenv via $IMPALA_HOME/bin/impala-python. Some scripts could be simplified now that python 2.6 and a dependable set of third-party libraries are available but that is not done as part of this commit. Change-Id: If1cf96898d6350e78ea107b9026b12ba63a4162f Reviewed-on: http://gerrit.cloudera.org:8080/603 Reviewed-by: Taras Bobrovytsky <tbobrovytsky@cloudera.com> Tested-by: Internal Jenkins
43 lines
1.4 KiB
Python
Executable File
43 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env impala-python
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# Copyright (c) 2015 Cloudera, Inc. All rights reserved.
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# Functions for generating test files with specific length, and ended with all
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# permutation (with replacement) of items in suffix_list.
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from shutil import rmtree
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from optparse import OptionParser
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from contextlib import contextmanager
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from itertools import product
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import os
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parser = OptionParser()
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parser.add_option("--table_dir", dest="table_dir", default=None)
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parser.add_option("--only_newline", dest="only_newline", default=False, action="store_true")
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parser.add_option("--file_len", dest="file_len", type="int")
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def generate_testescape_files(table_location, only_newline, file_len):
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data = ''.join(["1234567890" for _ in xrange(1 + file_len / 10)])
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suffix_list = ["\\", ",", "a"]
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if only_newline:
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suffix_list.append("\n")
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else:
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suffix_list.append("\r\n")
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if os.path.exists(table_location):
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rmtree(table_location)
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os.mkdir(table_location)
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for count, p in enumerate(product(suffix_list, repeat=len(suffix_list))):
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ending = ''.join(p)
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content = data[:file_len - len(ending)] + ending
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with open(os.path.join(table_location, str(count)), 'w') as f:
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f.write(content)
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if __name__ == "__main__":
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(options, args) = parser.parse_args()
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if not options.table_dir:
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parser.error("--table_dir option must be specified")
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generate_testescape_files(options.table_dir, options.only_newline, options.file_len)
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