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epicyon
mirror of https://gitlab.com/bashrc2/epicyon
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Code Issues 14 Releases Wiki Activity

Support for libretranslate

main
Bob Mottram 2021-07-19 20:40:04 +01:00
parent 93b89e0f78
commit 79b356a374
5 changed files with 198 additions and 5 deletions
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36
daemon.py
View File

@ -4430,7 +4430,39 @@ class PubServer(BaseHTTPRequestHandler):
setConfigParam(baseDir,
'customSubmitText', '')
# change instance description
# libretranslate URL
currLibretranslateUrl = \
getConfigParam(baseDir,
'libretranslateUrl')
if fields.get('libretranslateUrl'):
if fields['libretranslateUrl'] != \
currLibretranslateUrl:
ltUrl = fields['libretranslateUrl']
setConfigParam(baseDir,
'libretranslateUrl',
ltUrl)
else:
if currLibretranslateUrl:
setConfigParam(baseDir,
'libretranslateUrl', '')
# libretranslate API Key
currLibretranslateApiKey = \
getConfigParam(baseDir,
'libretranslateApiKey')
if fields.get('libretranslateApiKey'):
if fields['libretranslateApiKey'] != \
currLibretranslateApiKey:
ltApiKey = fields['libretranslateApiKey']
setConfigParam(baseDir,
'libretranslateApiKey',
ltApiKey)
else:
if currLibretranslateApiKey:
setConfigParam(baseDir,
'libretranslateApiKey', '')
# change instance short description
currInstanceDescriptionShort = \
getConfigParam(baseDir,
'instanceDescriptionShort')
@ -4445,6 +4477,8 @@ class PubServer(BaseHTTPRequestHandler):
if currInstanceDescriptionShort:
setConfigParam(baseDir,
'instanceDescriptionShort', '')
# change instance description
currInstanceDescription = \
getConfigParam(baseDir, 'instanceDescription')
if fields.get('instanceDescription'):

113
languages.py
View File

@ -8,7 +8,11 @@ __status__ = "Production"
__module_group__ = "Core"
import os
import json
from urllib import request, parse
from utils import acctDir
from utils import hasObjectDict
from utils import getConfigParam
from cache import getPersonFromCache
@ -126,4 +130,113 @@ def understoodPostLanguage(baseDir: str, nickname: str, domain: str,
for lang in languagesUnderstood:
if msgObject['contentMap'].get(lang):
return True
# is the language for this post supported by libretranslate?
libretranslateUrl = getConfigParam(baseDir, "libretranslateUrl")
if libretranslateUrl:
libretranslateApiKey = getConfigParam(baseDir, "libretranslateApiKey")
langList = \
_libretranslateLanguages(libretranslateUrl, libretranslateApiKey)
for lang in langList:
if msgObject['contentMap'].get(lang):
return True
return False
def _libretranslateLanguages(url: str, apiKey: str = None) -> []:
"""Returns a list of supported languages
"""
if not url.endswith('/languages'):
if not url.endswith('/'):
url += "/languages"
else:
url += "languages"
params = dict()
if apiKey:
params["api_key"] = apiKey
urlParams = parse.urlencode(params)
req = request.Request(url, data=urlParams.encode())
response = request.urlopen(req)
response_str = response.read().decode()
result = json.loads(response_str)
if not result:
return []
if not isinstance(result, list):
return []
langList = []
for lang in result:
if not isinstance(lang, dict):
continue
if not lang.get('code'):
continue
langCode = lang['code']
if len(langCode) != 2:
continue
langList.append(langCode)
langList.sort()
return langList
def _libretranslate(url: str, text: str,
source: str, target: str, apiKey: str = None) -> str:
"""Translate string using libretranslate
"""
if not url.endswith('/translate'):
if not url.endswith('/'):
url += "/translate"
else:
url += "translate"
ltParams = {
"q": text,
"source": source,
"target": target
}
if apiKey:
ltParams["api_key"] = apiKey
urlParams = parse.urlencode(ltParams)
req = request.Request(url, data=urlParams.encode())
response = request.urlopen(req)
response_str = response.read().decode()
return json.loads(response_str)["translatedText"]
def autoTranslatePost(baseDir: str, postJsonObject: {},
systemLanguage: str) -> str:
"""Tries to automatically translate the given post
"""
if not hasObjectDict(postJsonObject):
return ''
msgObject = postJsonObject['object']
if not msgObject.get('contentMap'):
return ''
if not isinstance(msgObject['contentMap'], dict):
return ''
# is the language for this post supported by libretranslate?
libretranslateUrl = getConfigParam(baseDir, "libretranslateUrl")
if not libretranslateUrl:
return ''
libretranslateApiKey = getConfigParam(baseDir, "libretranslateApiKey")
langList = \
_libretranslateLanguages(libretranslateUrl, libretranslateApiKey)
for lang in langList:
if msgObject['contentMap'].get(lang):
return _libretranslate(libretranslateUrl,
msgObject['contentMap']['lang'],
lang, systemLanguage,
libretranslateApiKey)
return ''

12
utils.py
View File

@ -30,6 +30,7 @@ invalidCharacters = (
def getContentFromPost(postJsonObject: {}, systemLanguage: str) -> str:
"""Returns the content from the post in the given language
including searching for a matching entry within contentMap
"""
thisPostJson = postJsonObject
if hasObjectDict(postJsonObject):
@ -47,6 +48,17 @@ def getContentFromPost(postJsonObject: {}, systemLanguage: str) -> str:
return content
def getBaseContentFromPost(postJsonObject: {}, systemLanguage: str) -> str:
"""Returns the content from the post in the given language
"""
thisPostJson = postJsonObject
if hasObjectDict(postJsonObject):
thisPostJson = postJsonObject['object']
if not thisPostJson.get('content'):
return ''
return thisPostJson['content']
def acctDir(baseDir: str, nickname: str, domain: str) -> str:
return baseDir + '/accounts/' + nickname + '@' + domain

8
webapp_post.py
View File

@ -22,6 +22,7 @@ from posts import postIsMuted
from posts import getPersonBox
from posts import downloadAnnounce
from posts import populateRepliesJson
from utils import getBaseContentFromPost
from utils import getContentFromPost
from utils import hasObjectDict
from utils import updateAnnounceCollection
@ -72,6 +73,7 @@ from webapp_question import insertQuestion
from devices import E2EEdecryptMessageFromDevice
from webfinger import webfingerHandle
from speaker import updateSpeaker
from languages import autoTranslatePost
def _logPostTiming(enableTimingLog: bool, postStartTime, debugId: str) -> None:
@ -286,7 +288,7 @@ def _getReplyIconHtml(nickname: str, isPublicRepeat: bool,
if isinstance(postJsonObject['object']['attributedTo'], str):
replyToLink += \
'?mention=' + postJsonObject['object']['attributedTo']
content = getContentFromPost(postJsonObject, systemLanguage)
content = getBaseContentFromPost(postJsonObject, systemLanguage)
if content:
mentionedActors = getMentionsFromHtml(content)
if mentionedActors:
@ -1592,7 +1594,9 @@ def individualPostAsHtml(allowDownloads: bool,
contentStr = getContentFromPost(postJsonObject, systemLanguage)
if not contentStr:
return ''
contentStr = autoTranslatePost(baseDir, postJsonObject, systemLanguage)
if not contentStr:
return ''
isPatch = isGitPatch(baseDir, nickname, domain,
postJsonObject['object']['type'],

34
webapp_profile.py
View File

@ -1612,6 +1612,29 @@ def _htmlEditProfileChangePassword(translate: {}) -> str:
return editProfileForm
def _htmlEditProfileLibreTranslate(translate: {},
libretranslateUrl: str,
libretranslateApiKey: str) -> str:
"""Change automatic translation settings
"""
if libretranslateUrl is None:
libretranslateUrl = ''
if libretranslateApiKey is None:
libretranslateApiKey = ''
editProfileForm = \
' <details><summary class="cw">LibreTranslate</summary>\n' + \
' <div class="container">\n' + \
'<label class="labels">URL</label><br>\n' + \
' <input type="text" name="libretranslateUrl" ' + \
'value="' + libretranslateUrl + '"><br>\n' + \
'<label class="labels">API Key</label><br>\n' + \
' <input type="text" name="libretranslateApiKey" ' + \
'value="' + libretranslateApiKey + '">\n' + \
' </div></details>\n'
return editProfileForm
def _htmlEditProfileBackground(newsInstance: bool, translate: {}) -> str:
"""Background images section of edit profile screen
"""
@ -2042,8 +2065,7 @@ def htmlEditProfile(cssCache: {}, translate: {}, baseDir: str, path: str,
blogsInstanceStr,
newsInstanceStr)
instanceTitle = \
getConfigParam(baseDir, 'instanceTitle')
instanceTitle = getConfigParam(baseDir, 'instanceTitle')
editProfileForm = htmlHeaderWithExternalStyle(cssFilename, instanceTitle)
# keyboard navigation
@ -2099,6 +2121,14 @@ def htmlEditProfile(cssCache: {}, translate: {}, baseDir: str, path: str,
# Change password
editProfileForm += _htmlEditProfileChangePassword(translate)
# automatic translations
libretranslateUrl = getConfigParam(baseDir, 'libretranslateUrl')
libretranslateApiKey = getConfigParam(baseDir, 'libretranslateApiKey')
editProfileForm += \
_htmlEditProfileLibreTranslate(translate,
libretranslateUrl,
libretranslateApiKey)
# Filtering and blocking section
editProfileForm += \
_htmlEditProfileFiltering(baseDir, nickname, domain,