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# rst2po.py

# Script to migrate the Python official tutorial that we have already translated in PyAr

# (https://github.com/PyAr/tutorial) from reStructuredText to the new official translation format (.po)

# It parses the .rst and compare sentence/paragraph by sentence/paragraph and if the match is exact,

# and there is no translation for that sentence/paragraph it updates the .po file with the translated text

# from the .rst file.

import re

import glob

import os

import polib # fades

PO_DIR = os.path.abspath(

os.path.join(

os.path.dirname(__file__),

'..',

))

RST_TRADUCIDOS_DIR = os.path.abspath(

os.path.join(

os.path.dirname(__file__),

'tutorialpyar',

'traducidos',

))

RST_ORIGINAL_DIR = os.path.abspath(

os.path.join(

os.path.dirname(__file__),

'tutorialpyar',

'original',

))

def get_rst_file(pofilename):

"""Given a .po filename returns the corresponding .rst filename"""

basename = os.path.basename(pofilename)

basename, ext = basename.rsplit('.', 1)

rstfilename = os.path.join(RST_TRADUCIDOS_DIR, f'{basename}.rst')

if os.path.exists(rstfilename):

return rstfilename

def get_rst_original_filename(rstfilename):

rst_original_filename = ''

if rstfilename.endswith('real-index.rst'):

rst_original_filename = 'index.rst'

basename = os.path.basename(rst_original_filename or rstfilename)

rst_original_filename = os.path.join(RST_ORIGINAL_DIR, basename)

if os.path.exists(rst_original_filename):

return rst_original_filename

def create_english_spanish_sentences(rstfilename):

"""Create a tuple of (english, spanish) sentences for rstfilename"""

def get_paragraph(fd):

lines = []

paragraph = []

for line in fd.read().splitlines():

# import pdb; pdb.set_trace()

if any([

line.startswith('.. '),

line.startswith('==='),

line.startswith('---'),

line.startswith('***'),

]):

continue

if line == '' and not paragraph:

continue

if line == '':

lines.append(' '.join(paragraph))

paragraph = []

continue

paragraph.append(line)

return lines

# NOTE: we could use docutils and parse the rst in the correct way, but

# that will probably take more time

with open(get_rst_original_filename(rstfilename)) as fd:

english = get_paragraph(fd)

with open(rstfilename) as fd:

spanish = get_paragraph(fd)

result = list(zip(english, spanish))

return result

def get_rst_translation_text(rstfilename, english_spanish, text):

"""Given an rstfilename an a text returns the corresponding translated text if exists"""

for en, es in english_spanish:

if en.replace("!", "") == text.replace("!", ""):

return es

def update_po_translation(pofilename, english, spanish):

"""Update the pofilename with the translated spanish text"""

pass

for pofilename in glob.glob(PO_DIR + '**/*/*.po'):

translated = False

rstfilename = get_rst_file(pofilename)

if rstfilename is None:

continue

english_spanish = create_english_spanish_sentences(rstfilename)

po = polib.pofile(pofilename)

for entry in po:

english_text = entry.msgid

spanish_text = entry.msgstr

if spanish_text:

# Do not override already translated text

continue

translated_text = get_rst_translation_text(rstfilename, english_spanish, english_text)

if translated_text is None:

continue

translated = True

entry.msgstr = translated_text

# update_po_translation(po, english_text, translated_text)

if translated:

po.save(pofilename)

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