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googletranslate.py
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# BSD 2-Clause License
#
# Copyright (c) 2020, Stefan Berndt (stefan.berndt@imoriath.com)
#
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""google translation tool."""
import click
import sys
import requests
import csv
import time
def savecsv(csv_file, csv_data):
with open(csv_file, "w", newline="\n") as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",", quotechar="\"", quoting=csv.QUOTE_MINIMAL)
for row in csv_data:
csv_writer.writerow(row)
print("CSV saved.")
@click.command()
@click.argument("csv_file", required=True, type=click.Path(exists=True, dir_okay=False))
@click.option("--from-lang", "-fl", required=False, type=str, default="ja", help="Original language (default:ja)")
@click.option("--to-lang", "-tl", required=False, type=str, default="en", help="Target language (default:en)")
@click.option("--from-column", "-fc", required=False, type=int, default=3,
help="Original column number (start at 0,default:3)")
@click.option("--to-column", "-tc", required=False, type=int, default=4,
help="Target column number (start at 0,default:4)")
@click.option("--delay", "-d", required=False, type=int, default=3000,
help="Delay between translations in milliseconds. You might get an temporary IP ban (HTTP 429) "
"from google, if you set this to low! (default:3000)")
@click.option("--no-autosave", is_flag=True, default=False, help="Do not save the translations every 5 minutes.")
@click.option("--no-encodecheck", is_flag=True, default=False,
help="Do not check the translation for cp932 encoding. Using this option may cause troubles on lmlsb later.")
def googletranslate(csv_file, from_lang, to_lang, from_column, to_column, delay, no_autosave, no_encodecheck):
csv_data = []
save_time = time.time()
# load the csv file
with open(csv_file, newline="\n") as csvfile:
csv_reader = csv.reader(csvfile, delimiter=",", quotechar='"')
for row in csv_reader:
csv_data.append(row)
if from_lang == to_lang:
sys.exit("Original and Target language must not be the same!")
if from_column == to_column:
sys.exit("Original and Target column must not be equal!")
for row in csv_data:
if len(row) <= from_column or len(row) <= to_column:
continue # skip if row is too short
if row[from_column] == "":
continue # skip if source text is empty
if row[to_column] != "":
continue # skip if already translated
from_text = row[from_column]
# parameters got by network analyzing. I have no clue what the most of them are for.
params = {"client": "t", "sl": from_lang, "tl": to_lang,
"hl": "en", "dt": "t", "ie": "UTF-8", "oe": "UTF-8", "otf": "1", "ssel": "0",
"tsel": "0", "kc": "1", "tk": "",
"q": from_text}
# Seems some google translating apps use this api, but it's not official documented.
# So it's possible google changes or closes this api, and this program does not work anymore.
r = requests.get("https://translate.google.com/translate_a/single", params=params)
if r.status_code != requests.codes.ok:
print("Failed request: HTTP {}".format(r.status_code))
break # just break, not exit --> to save already done translations
# get the translated text
to_text = ""
for satz in r.json()[0][0]:
if satz:
to_text = to_text + satz
# wait some time to avoid IP ban
time.sleep(delay / 1000)
if not no_encodecheck:
# google sometimes translates to characters, who are not encode-able in cp932.
# Replace some characters I already know
to_text = to_text.replace("·", ".")
to_text = to_text.replace("？", "?")
to_text = to_text.replace("ö", "ue")
to_text = to_text.replace("ä", "ae")
to_text = to_text.replace("ü", "ue")
to_text = to_text.replace("Ö", "Oe")
to_text = to_text.replace("Ä", "Ae")
to_text = to_text.replace("Ü", "Ue")
to_text = to_text.replace("ß", "ss")
# Test cp932 encoding, replace all troublesome characters
try:
to_text.encode("cp932")
except UnicodeEncodeError as e:
a = to_text
to_text = ""
for b in a:
try:
b.encode("cp932")
to_text = to_text + b
except UnicodeEncodeError as e:
to_text = to_text + "."
print("Encoding problem: \"{}\" contains non-cp932 characters. Changed to \"{}\"".format(a, to_text))
print("Translated \"{}\" to \"{}\"".format(from_text, to_text))
# store the translation result in csv_data. Some text lines may occur multiple times, so we store all matching.
for row2 in csv_data:
if len(row2) <= from_column or len(row2) <= to_column:
continue
if row2[from_column] == from_text:
row2[to_column] = to_text
# auto save the csv file
if not no_autosave and save_time + 300 < time.time():
savecsv(csv_file, csv_data)
save_time = time.time()
# finally save the csv again
savecsv(csv_file, csv_data)
# required for standalone run
if __name__ == "__main__":
googletranslate()