epicyon/theme.py

618 lines
21 KiB
Python

__filename__ = "theme.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.1.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
import os
from utils import loadJson
from utils import saveJson
from shutil import copyfile
def getThemeFiles() -> []:
return ('epicyon.css', 'login.css', 'follow.css',
'suspended.css', 'calendar.css', 'blog.css',
'options.css', 'search.css', 'links.css')
def getThemesList(baseDir: str) -> []:
"""Returns the list of available themes
Note that these should be capitalized, since they're
also used to create the web interface dropdown list
and to lookup function names
"""
themes = []
for subdir, dirs, files in os.walk(baseDir + '/theme'):
for themeName in dirs:
if '~' not in themeName and \
themeName != 'icons' and themeName != 'fonts':
themes.append(themeName.title())
break
print('Themes available: ' + str(themes))
return themes
def setThemeInConfig(baseDir: str, name: str) -> bool:
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['theme'] = name
return saveJson(configJson, configFilename)
def setNewswirePublishAsIcon(baseDir: str, useIcon: bool) -> bool:
"""Shows the newswire publish action as an icon or a button
"""
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['showPublishAsIcon'] = useIcon
return saveJson(configJson, configFilename)
def setIconsAsButtons(baseDir: str, useButtons: bool) -> bool:
"""Whether to show icons in the header (inbox, outbox, etc)
as buttons
"""
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['iconsAsButtons'] = useButtons
return saveJson(configJson, configFilename)
def setRssIconAtTop(baseDir: str, atTop: bool) -> bool:
"""Whether to show RSS icon at the top of the timeline
"""
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['rssIconAtTop'] = atTop
return saveJson(configJson, configFilename)
def setPublishButtonAtTop(baseDir: str, atTop: bool) -> bool:
"""Whether to show the publish button above the title image
in the newswire column
"""
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['publishButtonAtTop'] = atTop
return saveJson(configJson, configFilename)
def setFullWidthTimelineButtonHeader(baseDir: str, fullWidth: bool) -> bool:
"""Shows the timeline button header containing inbox, outbox,
calendar, etc as full width
"""
configFilename = baseDir + '/config.json'
if not os.path.isfile(configFilename):
return False
configJson = loadJson(configFilename, 0)
if not configJson:
return False
configJson['fullWidthTimelineButtonHeader'] = fullWidth
return saveJson(configJson, configFilename)
def getTheme(baseDir: str) -> str:
configFilename = baseDir + '/config.json'
if os.path.isfile(configFilename):
configJson = loadJson(configFilename, 0)
if configJson:
if configJson.get('theme'):
return configJson['theme']
return 'default'
def removeTheme(baseDir: str):
themeFiles = getThemeFiles()
for filename in themeFiles:
if os.path.isfile(baseDir + '/' + filename):
os.remove(baseDir + '/' + filename)
def setCSSparam(css: str, param: str, value: str) -> str:
"""Sets a CSS parameter to a given value
"""
# is this just a simple string replacement?
if ';' in param:
return css.replace(param, value)
# color replacement
if param.startswith('rgba('):
return css.replace(param, value)
# if the parameter begins with * then don't prepend --
onceOnly = False
if param.startswith('*'):
if param.startswith('**'):
onceOnly = True
searchStr = param.replace('**', '') + ':'
else:
searchStr = param.replace('*', '') + ':'
else:
searchStr = '--' + param + ':'
if searchStr not in css:
return css
if onceOnly:
s = css.split(searchStr, 1)
else:
s = css.split(searchStr)
newcss = ''
for sectionStr in s:
if not newcss:
if sectionStr:
newcss = sectionStr
else:
newcss = ' '
else:
if ';' in sectionStr:
newcss += \
searchStr + ' ' + value + ';' + sectionStr.split(';', 1)[1]
else:
newcss += searchStr + ' ' + sectionStr
return newcss.strip()
def setThemeFromDict(baseDir: str, name: str,
themeParams: {}, bgParams: {}) -> None:
"""Uses a dictionary to set a theme
"""
if name:
setThemeInConfig(baseDir, name)
themeFiles = getThemeFiles()
for filename in themeFiles:
# check for custom css within the theme directory
templateFilename = baseDir + '/theme/' + name + '/epicyon-' + filename
if filename == 'epicyon.css':
templateFilename = \
baseDir + '/theme/' + name + '/epicyon-profile.css'
if not os.path.isfile(templateFilename):
# use default css
templateFilename = baseDir + '/epicyon-' + filename
if filename == 'epicyon.css':
templateFilename = baseDir + '/epicyon-profile.css'
if not os.path.isfile(templateFilename):
continue
with open(templateFilename, 'r') as cssfile:
css = cssfile.read()
for paramName, paramValue in themeParams.items():
if paramName == 'newswire-publish-icon':
if paramValue.lower() == 'true':
setNewswirePublishAsIcon(baseDir, True)
else:
setNewswirePublishAsIcon(baseDir, False)
continue
elif paramName == 'full-width-timeline-buttons':
if paramValue.lower() == 'true':
setFullWidthTimelineButtonHeader(baseDir, True)
else:
setFullWidthTimelineButtonHeader(baseDir, False)
continue
elif paramName == 'icons-as-buttons':
if paramValue.lower() == 'true':
setIconsAsButtons(baseDir, True)
else:
setIconsAsButtons(baseDir, False)
continue
elif paramName == 'rss-icon-at-top':
if paramValue.lower() == 'true':
setRssIconAtTop(baseDir, True)
else:
setRssIconAtTop(baseDir, False)
continue
elif paramName == 'publish-button-at-top':
if paramValue.lower() == 'true':
setPublishButtonAtTop(baseDir, True)
else:
setPublishButtonAtTop(baseDir, False)
continue
css = setCSSparam(css, paramName, paramValue)
filename = baseDir + '/' + filename
with open(filename, 'w+') as cssfile:
cssfile.write(css)
if bgParams.get('login'):
setBackgroundFormat(baseDir, name, 'login', bgParams['login'])
if bgParams.get('follow'):
setBackgroundFormat(baseDir, name, 'follow', bgParams['follow'])
if bgParams.get('options'):
setBackgroundFormat(baseDir, name, 'options', bgParams['options'])
if bgParams.get('search'):
setBackgroundFormat(baseDir, name, 'search', bgParams['search'])
def setBackgroundFormat(baseDir: str, name: str,
backgroundType: str, extension: str) -> None:
"""Sets the background file extension
"""
if extension == 'jpg':
return
cssFilename = baseDir + '/' + backgroundType + '.css'
if not os.path.isfile(cssFilename):
return
with open(cssFilename, 'r') as cssfile:
css = cssfile.read()
css = css.replace('background.jpg', 'background.' + extension)
with open(cssFilename, 'w+') as cssfile2:
cssfile2.write(css)
def enableGrayscale(baseDir: str) -> None:
"""Enables grayscale for the current theme
"""
themeFiles = getThemeFiles()
for filename in themeFiles:
templateFilename = baseDir + '/' + filename
if not os.path.isfile(templateFilename):
continue
with open(templateFilename, 'r') as cssfile:
css = cssfile.read()
if 'grayscale' not in css:
css = \
css.replace('body, html {',
'body, html {\n filter: grayscale(100%);')
filename = baseDir + '/' + filename
with open(filename, 'w+') as cssfile:
cssfile.write(css)
grayscaleFilename = baseDir + '/accounts/.grayscale'
if not os.path.isfile(grayscaleFilename):
with open(grayscaleFilename, 'w+') as grayfile:
grayfile.write(' ')
def disableGrayscale(baseDir: str) -> None:
"""Disables grayscale for the current theme
"""
themeFiles = getThemeFiles()
for filename in themeFiles:
templateFilename = baseDir + '/' + filename
if not os.path.isfile(templateFilename):
continue
with open(templateFilename, 'r') as cssfile:
css = cssfile.read()
if 'grayscale' in css:
css = \
css.replace('\n filter: grayscale(100%);', '')
filename = baseDir + '/' + filename
with open(filename, 'w+') as cssfile:
cssfile.write(css)
grayscaleFilename = baseDir + '/accounts/.grayscale'
if os.path.isfile(grayscaleFilename):
os.remove(grayscaleFilename)
def setCustomFont(baseDir: str):
"""Uses a dictionary to set a theme
"""
customFontExt = None
customFontType = None
fontExtension = {
'woff': 'woff',
'woff2': 'woff2',
'otf': 'opentype',
'ttf': 'truetype'
}
for ext, extType in fontExtension.items():
filename = baseDir + '/fonts/custom.' + ext
if os.path.isfile(filename):
customFontExt = ext
customFontType = extType
if not customFontExt:
return
themeFiles = getThemeFiles()
for filename in themeFiles:
templateFilename = baseDir + '/' + filename
if not os.path.isfile(templateFilename):
continue
with open(templateFilename, 'r') as cssfile:
css = cssfile.read()
css = \
setCSSparam(css, "*src",
"url('./fonts/custom." +
customFontExt +
"') format('" +
customFontType + "')")
css = setCSSparam(css, "*font-family", "'CustomFont'")
filename = baseDir + '/' + filename
with open(filename, 'w+') as cssfile:
cssfile.write(css)
def readVariablesFile(baseDir: str, themeName: str,
variablesFile: str) -> None:
"""Reads variables from a file in the theme directory
"""
themeParams = loadJson(variablesFile, 0)
if not themeParams:
return
bgParams = {
"login": "jpg",
"follow": "jpg",
"options": "jpg",
"search": "jpg"
}
setThemeFromDict(baseDir, themeName, themeParams, bgParams)
def setThemeDefault(baseDir: str):
name = 'default'
removeTheme(baseDir)
setThemeInConfig(baseDir, name)
bgParams = {
"login": "jpg",
"follow": "jpg",
"options": "jpg",
"search": "jpg"
}
themeParams = {
"newswire-publish-icon": True,
"full-width-timeline-buttons": False,
"icons-as-buttons": False,
"rss-icon-at-top": True,
"publish-button-at-top": False,
"banner-height": "20vh",
"banner-height-mobile": "10vh",
"search-banner-height-mobile": "15vh"
}
setThemeFromDict(baseDir, name, themeParams, bgParams)
def setThemeHighVis(baseDir: str):
name = 'highvis'
themeParams = {
"newswire-publish-icon": True,
"full-width-timeline-buttons": False,
"icons-as-buttons": False,
"rss-icon-at-top": True,
"publish-button-at-top": False,
"font-size-header": "22px",
"font-size-header-mobile": "32px",
"font-size": "45px",
"font-size2": "45px",
"font-size3": "45px",
"font-size4": "35px",
"font-size5": "29px",
"gallery-font-size": "35px",
"gallery-font-size-mobile": "55px",
"hashtag-vertical-spacing3": "100px",
"hashtag-vertical-spacing4": "150px",
"time-vertical-align": "-10px",
"*font-family": "'LinBiolinum_Rah'",
"*src": "url('./fonts/LinBiolinum_Rah.woff2') format('woff2')"
}
bgParams = {
"login": "jpg",
"follow": "jpg",
"options": "jpg",
"search": "jpg"
}
setThemeFromDict(baseDir, name, themeParams, bgParams)
def setThemeFonts(baseDir: str, themeName: str) -> None:
"""Adds custom theme fonts
"""
themeNameLower = themeName.lower()
fontsDir = baseDir + '/fonts'
themeFontsDir = \
baseDir + '/theme/' + themeNameLower + '/fonts'
if not os.path.isdir(themeFontsDir):
return
for subdir, dirs, files in os.walk(themeFontsDir):
for filename in files:
if filename.endswith('.woff2') or \
filename.endswith('.woff') or \
filename.endswith('.ttf') or \
filename.endswith('.otf'):
destFilename = fontsDir + '/' + filename
if os.path.isfile(destFilename):
# font already exists in the destination location
continue
copyfile(themeFontsDir + '/' + filename,
destFilename)
break
def setThemeImages(baseDir: str, name: str) -> None:
"""Changes the profile background image
and banner to the defaults
"""
themeNameLower = name.lower()
profileImageFilename = \
baseDir + '/theme/' + themeNameLower + '/image.png'
bannerFilename = \
baseDir + '/theme/' + themeNameLower + '/banner.png'
searchBannerFilename = \
baseDir + '/theme/' + themeNameLower + '/search_banner.png'
leftColImageFilename = \
baseDir + '/theme/' + themeNameLower + '/left_col_image.png'
rightColImageFilename = \
baseDir + '/theme/' + themeNameLower + '/right_col_image.png'
backgroundNames = ('login', 'shares', 'delete', 'follow',
'options', 'block', 'search', 'calendar')
extensions = ('webp', 'gif', 'jpg', 'png', 'avif')
for subdir, dirs, files in os.walk(baseDir + '/accounts'):
for acct in dirs:
if '@' not in acct:
continue
if 'inbox@' in acct:
continue
accountDir = \
os.path.join(baseDir + '/accounts', acct)
for backgroundType in backgroundNames:
for ext in extensions:
if themeNameLower == 'default':
backgroundImageFilename = \
baseDir + '/theme/default/' + \
backgroundType + '_background.' + ext
else:
backgroundImageFilename = \
baseDir + '/theme/' + themeNameLower + '/' + \
backgroundType + '_background' + '.' + ext
if os.path.isfile(backgroundImageFilename):
try:
copyfile(backgroundImageFilename,
baseDir + '/accounts/' +
backgroundType + '-background.' + ext)
continue
except BaseException:
pass
# background image was not found
# so remove any existing file
if os.path.isfile(baseDir + '/accounts/' +
backgroundType + '-background.' + ext):
try:
os.remove(baseDir + '/accounts/' +
backgroundType + '-background.' + ext)
except BaseException:
pass
if os.path.isfile(profileImageFilename) and \
os.path.isfile(bannerFilename):
try:
copyfile(profileImageFilename,
accountDir + '/image.png')
except BaseException:
pass
try:
copyfile(bannerFilename,
accountDir + '/banner.png')
except BaseException:
pass
try:
if os.path.isfile(searchBannerFilename):
copyfile(searchBannerFilename,
accountDir + '/search_banner.png')
except BaseException:
pass
try:
if os.path.isfile(leftColImageFilename):
copyfile(leftColImageFilename,
accountDir + '/left_col_image.png')
else:
if os.path.isfile(accountDir +
'/left_col_image.png'):
os.remove(accountDir + '/left_col_image.png')
except BaseException:
pass
try:
if os.path.isfile(rightColImageFilename):
copyfile(rightColImageFilename,
accountDir + '/right_col_image.png')
else:
if os.path.isfile(accountDir +
'/right_col_image.png'):
os.remove(accountDir + '/right_col_image.png')
except BaseException:
pass
def setNewsAvatar(baseDir: str, name: str,
httpPrefix: str,
domain: str, domainFull: str) -> None:
"""Sets the avatar for the news account
"""
nickname = 'news'
newFilename = baseDir + '/theme/' + name + '/icons/avatar_news.png'
if not os.path.isfile(newFilename):
newFilename = baseDir + '/theme/default/icons/avatar_news.png'
if not os.path.isfile(newFilename):
return
avatarFilename = \
httpPrefix + '://' + domainFull + '/users/' + nickname + '.png'
avatarFilename = avatarFilename.replace('/', '-')
filename = baseDir + '/cache/avatars/' + avatarFilename
if os.path.isfile(filename):
os.remove(filename)
if os.path.isdir(baseDir + '/cache/avatars'):
copyfile(newFilename, filename)
copyfile(newFilename,
baseDir + '/accounts/' +
nickname + '@' + domain + '/avatar.png')
def setTheme(baseDir: str, name: str, domain: str) -> bool:
result = False
prevThemeName = getTheme(baseDir)
removeTheme(baseDir)
themes = getThemesList(baseDir)
for themeName in themes:
themeNameLower = themeName.lower()
if name == themeNameLower:
try:
globals()['setTheme' + themeName](baseDir)
except BaseException:
pass
if prevThemeName:
if prevThemeName.lower() != themeNameLower:
# change the banner and profile image
# to the default for the theme
setThemeImages(baseDir, name)
setThemeFonts(baseDir, name)
result = True
if not result:
# default
setThemeDefault(baseDir)
result = True
variablesFile = baseDir + '/theme/' + name + '/theme.json'
if os.path.isfile(variablesFile):
readVariablesFile(baseDir, name, variablesFile)
setCustomFont(baseDir)
# set the news avatar
newsAvatarThemeFilename = \
baseDir + '/theme/' + name + '/icons/avatar_news.png'
if os.path.isfile(newsAvatarThemeFilename):
newsAvatarFilename = \
baseDir + '/accounts/news@' + domain + '/avatar.png'
copyfile(newsAvatarThemeFilename, newsAvatarFilename)
grayscaleFilename = baseDir + '/accounts/.grayscale'
if os.path.isfile(grayscaleFilename):
enableGrayscale(baseDir)
else:
disableGrayscale(baseDir)
setThemeInConfig(baseDir, name)
return result