76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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# --depends-on commands
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import json
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import re
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from src import ModuleManager, utils
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URL_TRANSLATE = "http://translate.googleapis.com/translate_a/single"
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URL_LANGUAGES = "https://cloud.google.com/translate/docs/languages"
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REGEX_LANGUAGES = re.compile(r"^(\w+)?:(\w+)?\s+", re.I)
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REGEX_TARGET = re.compile(r"^([a-z]{2,5})\s+", re.I)
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class Module(ModuleManager.BaseModule):
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@utils.hook("received.command.tr", alias_of="translate")
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@utils.hook("received.command.translate")
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@utils.spec("!<phrase>lstring")
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def translate(self, event):
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"""
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:help: Translate the given text – supports either **src:dst phrase**
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(e.g. `fr:en bonjour`) **dst phrase** (e.g. `es hola`) or just
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`phrase` (auto-detect ➜ English).
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:usage: [.tr|.translate] [src:][dst] <phrase>
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"""
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phrase = event["spec"][0].strip()
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# Defaults preserve existing behaviour
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source_language = "auto"
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target_language = "en"
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# Pattern 1 – full "src:dst " prefix
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match = REGEX_LANGUAGES.match(phrase)
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if match:
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if match.group(1):
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source_language = match.group(1)
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if match.group(2):
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target_language = match.group(2)
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phrase = phrase[len(match.group(0)):]
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else:
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# Pattern 2 – single "dst " prefix
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match = REGEX_TARGET.match(phrase)
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if match:
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target_language = match.group(1)
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phrase = phrase[len(match.group(0)):]
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if not phrase:
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event["stderr"].write("Nothing to translate.")
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return
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page = utils.http.request(
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URL_TRANSLATE,
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get_params={
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"client": "gtx",
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"dt": "t",
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"q": phrase,
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"sl": source_language,
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"tl": target_language,
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},
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)
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if page and not page.data.startswith(b"[null,null,"):
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data = page.decode("utf8")
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# Google Translate occasionally returns `,,` → patch to valid JSON
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while ",," in data:
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data = data.replace(",,", ",null,").replace("[,", "[null,")
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data_json = json.loads(data)
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detected_source = data_json[2]
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translated = data_json[0][0][0]
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event["stdout"].write(
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f"({detected_source} → {target_language.lower()}) {translated}"
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)
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else:
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event["stderr"].write(
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"Failed to translate; check language codes: " + URL_LANGUAGES
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)
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