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from timeit import timeit
import tabulate
import asciitable
import prettytable
import texttable
import sys
setup_code = r"""
from csv import writer
from io import StringIO
import tabulate
import asciitable
import prettytable
import texttable
table=[["some text"]+list(range(i,i+9)) for i in range(10)]
def csv_table(table):
buf = StringIO()
writer(buf).writerows(table)
return buf.getvalue()
def join_table(table):
return "\n".join(("\t".join(map(str,row)) for row in table))
def run_prettytable(table):
pp = prettytable.PrettyTable()
for row in table:
pp.add_row(row)
return str(pp)
def run_asciitable(table):
buf = StringIO()
asciitable.write(table, output=buf, Writer=asciitable.FixedWidth)
return buf.getvalue()
def run_texttable(table):
pp = texttable.Texttable()
pp.set_cols_align(["l"] + ["r"]*9)
pp.add_rows(table)
return pp.draw()
def run_tabletext(table):
return tabletext.to_text(table)
def run_tabulate(table, widechars=False):
tabulate.WIDE_CHARS_MODE = tabulate.wcwidth is not None and widechars
return tabulate.tabulate(table)
"""
methods = [
("join with tabs and newlines", "join_table(table)"),
("csv to StringIO", "csv_table(table)"),
("asciitable (%s)" % asciitable.__version__, "run_asciitable(table)"),
("tabulate (%s)" % tabulate.__version__, "run_tabulate(table)"),
(
"tabulate (%s, WIDE_CHARS_MODE)" % tabulate.__version__,
"run_tabulate(table, widechars=True)",
),
("PrettyTable (%s)" % prettytable.__version__, "run_prettytable(table)"),
("texttable (%s)" % texttable.__version__, "run_texttable(table)"),
]
if tabulate.wcwidth is None:
del methods[4]
def benchmark(n):
global methods
if "--onlyself" in sys.argv[1:]:
methods = [m for m in methods if m[0].startswith("tabulate")]
results = [
(desc, timeit(code, setup_code, number=n) / n * 1e6) for desc, code in methods
]
mintime = min(map(lambda x: x[1], results))
results = [
(desc, t, t / mintime) for desc, t in sorted(results, key=lambda x: x[1])
]
table = tabulate.tabulate(
results, ["Table formatter", "time, μs", "rel. time"], "rst", floatfmt=".1f"
)
print(table)
if __name__ == "__main__":
if sys.argv[1:]:
n = int(sys.argv[1])
else:
n = 10000
benchmark(n)
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