Theme setting functions

epicyon.py

@@ -80,6 +80,7 @@ from manualapprove import manualApproveFollowRequest
 from shares import sendShareViaServer
 from shares import sendUndoShareViaServer
 from shares import addShare
+from theme import setTheme
 import argparse
 
 def str2bool(v):
@@ -371,6 +372,7 @@ if not os.path.isdir(baseDir+'/cache/announce'):
 themeName=getConfigParam(baseDir,'theme')
 if not themeName:
     setConfigParam(baseDir,'theme','default')
+    themeName='default'
 
 # set the instance title in config.json
 title=getConfigParam(baseDir,'instanceTitle')
@@ -1478,6 +1480,9 @@ if args.maxMentions<4:
 registration=getConfigParam(baseDir,'registration')
 if not registration:
     registration=False
+
+if setTheme(baseDir,themeName):
+    print('Theme set to '+themeName)
     
 runDaemon(not args.nosharedinbox, \
           registration,args.language,__version__, \

tests.py

@@ -71,6 +71,7 @@ from content import addWebLinks
 from content import replaceEmojiFromTags
 from content import addHtmlTags
 from content import removeLongWords
+from theme import setCSSparam
 
 testServerAliceRunning = False
 testServerBobRunning = False
@@ -1649,9 +1650,22 @@ def testSaveLoadJson():
     assert testLoadJson['param1']==3
     assert testLoadJson['param2']=='"Crème brûlée यह एक परीक्षण ह"'
     os.remove(testFilename)
-    
+
+def testTheme():
+    print('testTheme')
+    css='somestring --background-value: 24px; --foreground-value: 24px;'
+    result=setCSSparam(css,'background-value','32px')
+    assert result=='somestring --background-value: 32px; --foreground-value: 24px;'
+    css='somestring --background-value: 24px; --foreground-value: 24px; --background-value: 24px;'
+    result=setCSSparam(css,'background-value','32px')
+    assert result=='somestring --background-value: 32px; --foreground-value: 24px; --background-value: 32px;'
+    css='--background-value: 24px; --foreground-value: 24px;'
+    result=setCSSparam(css,'background-value','32px')
+    assert result=='--background-value: 32px; --foreground-value: 24px;'
+
 def runAllTests():
     print('Running tests...')
+    testTheme()
     testSaveLoadJson()
     testCommentJson()
     testGetStatusNumber()

theme.py

@@ -0,0 +1,213 @@
+__filename__ = "theme.py"
+__author__ = "Bob Mottram"
+__license__ = "AGPL3+"
+__version__ = "1.0.0"
+__maintainer__ = "Bob Mottram"
+__email__ = "bob@freedombone.net"
+__status__ = "Production"
+
+import os
+from utils import loadJson
+from utils import saveJson
+
+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 removeTheme(baseDir: str):
+    themeFiles=('epicyon.css','login.css','follow.css','suspended.css','calendar.css')
+    for filename in themeFiles:
+        if os.path.isfile(baseDir+'/'+filename):
+            os.remove(baseDir+'/'+filename)
+
+def setThemeDefault(baseDir: str):
+    removeTheme(baseDir)
+    setThemeInConfig(baseDir,'default')
+
+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 --
+    if param.startswith('*'):
+        searchStr=param.replace('*','')+':'
+    else:
+        searchStr='--'+param+':'
+    if searchStr not in css:
+        return css
+    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: {}):
+    """Uses a dictionary to set a theme
+    """
+    setThemeInConfig(baseDir,name)
+    themeFiles=('epicyon.css','login.css','follow.css','suspended.css','calendar.css')
+    for filename in themeFiles:
+        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():
+                css=setCSSparam(css,paramName,paramValue)
+            filename=baseDir+'/'+filename
+            with open(filename, 'w') as cssfile:
+                cssfile.write(css)
+
+def setThemeHighVis(baseDir: str):
+    themeParams={
+        "font-size-header": "22px",
+        "font-size": "45px",
+        "font-size2": "45px",
+        "font-size3": "45px",
+        "font-size4": "35px",
+        "font-size5": "29px"
+    }
+    setThemeFromDict(baseDir,'highvis',themeParams)
+
+def setThemePurple(baseDir: str):
+    themeParams={
+        "main-bg-color": "#1f152d",
+        "main-bg-color-reply": "#1a142d",
+        "main-bg-color-report": "#12152d",
+        "main-header-color-roles": "#1f192d",
+        "main-fg-color": "#f98bb0",
+        "border-color": "#3f2145",
+        "main-link-color": "#ff42a0",
+        "main-visited-color": "#f93bb0",
+        "time-color": "#f98bb0",
+        "button-selected": "#c042a0",
+        "button-background": "#ff42a0",
+        "button-text": "white",
+        "background-color: #554;": "background-color: #ff42a0;",
+        "color: #FFFFFE;": "color: #1f152d;",
+        "calendar-bg-color": "#eee",
+        "lines-color": "#ff42a0",
+        "day-number": "#3f2145",
+        "day-number2": "#1f152d",
+        "time-color": "#3f2145",
+        "place-color": "black",
+        "event-color": "#282c37",
+        "today-foreground": "white",
+        "today-circle": "red",
+        "event-background": "yellow",
+        "event-foreground": "white",
+        "title-text": "white",
+        "title-background": "#ff42a0"
+    }
+    setThemeFromDict(baseDir,'purple',themeParams)
+
+def setThemeHacker(baseDir: str):
+    themeParams={
+        "main-bg-color": "black",
+        "main-bg-color-reply": "#030202",
+        "main-bg-color-report": "#050202",
+        "main-header-color-roles": "#1f192d",
+        "main-fg-color": "green",
+        "border-color": "darkgreen",
+        "main-link-color": "#266020",
+        "main-visited-color": "#3c8234",
+        "time-color": "green",
+        "button-selected": "#063200",
+        "button-background": "#062200",
+        "button-text": "green",
+        "button-corner-radius": "4px",
+        "timeline-border-radius": "4px",
+        "*font-family": "'Courier'",
+        "background-color: #554;": "background-color: #062200;",
+        "color: #FFFFFE;": "color: green;",
+        "calendar-bg-color": "black",
+        "lines-color": "green",
+        "day-number": "green",
+        "day-number2": "darkgreen",
+        "time-color": "darkgreen",
+        "place-color": "green",
+        "event-color": "green",
+        "today-foreground": "white",
+        "today-circle": "red",
+        "event-background": "lightgreen",
+        "event-foreground": "black",
+        "title-text": "black",
+        "title-background": "darkgreen"
+    }
+    setThemeFromDict(baseDir,'hacker',themeParams)
+
+def setThemeLight(baseDir: str):
+    themeParams={
+        "rgba(0, 0, 0, 0.5)": "rgba(0, 0, 0, 0.0)",
+        "main-bg-color": "#e6ebf0",
+        "main-bg-color-reply": "#e0dbf0",
+        "main-bg-color-report": "#e3dbf0",
+        "main-header-color-roles": "#ebebf0",
+        "main-fg-color": "#2d2c37",
+        "border-color": "#c0cdd9",
+        "main-link-color": "#2a2c37",
+        "main-visited-color": "#232c37",
+        "time-color": "#555",
+        "text-entry-foreground": "#111",
+        "text-entry-background": "white",
+        "font-color-header": "black",
+        "dropdown-bg-color": "white",
+        "dropdown-bg-color-hover": "lightgrey",
+        "background-color: #554;": "background-color: white;",
+        "color: #FFFFFE;": "color: black;",
+        "calendar-bg-color": "#e6ebf0",
+        "lines-color": "darkblue",
+        "day-number": "black",
+        "day-number2": "#282c37",
+        "time-color": "black",
+        "place-color": "black",
+        "event-color": "#282c37",
+        "today-foreground": "white",
+        "today-circle": "red",
+        "event-background": "lightblue",
+        "event-foreground": "white",
+        "title-text": "#282c37",
+        "title-background": "#ccc"
+    }
+    setThemeFromDict(baseDir,'light',themeParams)
+    
+def setTheme(baseDir: str,name: str) -> bool:
+    if name=='default':
+        setThemeDefault(baseDir)
+        return True
+    elif name=='purple':
+        setThemePurple(baseDir)
+        return True
+    elif name=='light':
+        setThemeLight(baseDir)
+        return True
+    elif name=='hacker':
+        setThemeHacker(baseDir)
+        return True
+    elif name=='highvis':
+        setThemeHighVis(baseDir)
+        return True
+    return False
+