[] and id=

[rainbowstream.git] / rainbowstream / config.py

diff --git a/rainbowstream/config.py b/rainbowstream/config.py
index 3f61553d393eea03d72f757fdffaa88e09ca17bf..2a11d3bdc9ea36c23d64d172ef4c73d2f910a28f 100644 (file)
--- a/rainbowstream/config.py
+++ b/rainbowstream/config.py
@@ -2,36 +2,172 @@ import json
 import re
 import os
 import os.path
+from collections import OrderedDict
 
-# Regular expression for comments
+# Regular expression for comments in config file
 comment_re = re.compile(
     '(^)?[^\S\n]*/(?:\*(.*?)\*/[^\S\n]*|/[^\n]*)($)?',
     re.DOTALL | re.MULTILINE
 )
 
+# Config dictionary
+c = {}
+
+
+def fixup(adict, k, v):
+    """
+    Fix up a key in json format
+    """
+    for key in adict.keys():
+        if key == k:
+            adict[key] = v
+        elif isinstance(adict[key], dict):
+            fixup(adict[key], k, v)
+
+
 def load_config(filepath):
     """
     Load config from filepath
     """
-    try:
-        with open(filepath) as f:
-            content = ''.join(f.readlines())
+    with open(filepath) as f:
+        content = ''.join(f.readlines())
+        match = comment_re.search(content)
+        while match:
+            content = content[:match.start()] + content[match.end():]
             match = comment_re.search(content)
-            while match:
-                content = content[:match.start()] + content[match.end():]
-                match = comment_re.search(content)
-        return json.loads(content)
+    return json.loads(content, object_pairs_hook=OrderedDict)
+
+
+def get_all_config():
+    """
+    Get all config
+    """
+    path = os.path.expanduser("~") + os.sep + '.rainbow_config.json'
+    data = load_config(path)
+    # Hard to set from prompt
+    data.pop('ONLY_LIST', None)
+    data.pop('IGNORE_LIST', None)
+    data.pop('FORMAT', None)
+    return data
+
+
+def get_default_config(key):
+    """
+    Get default value of a config key
+    """
+    path = os.path.dirname(
+        __file__) + '/colorset/config'
+    try:
+        data = load_config(path)
+    except:
+        raise Exception('No such config key.')
+    return data[key]
+
+
+def get_config(key):
+    """
+    Get current value of a config key
+    """
+    return c[key]
+
+
+def set_config(key, value):
+    """
+    Set a config key with specific value
+    """
+    # Modify value
+    if value.isdigit():
+        value = int(value)
+    elif value.lower() == 'true':
+        value = True
+    elif value.lower() == 'false':
+        value = False
+    # Fix up
+    path = os.path.expanduser("~") + os.sep + '.rainbow_config.json'
+    data = {}
+    try:
+        data = load_config(path)
     except:
         pass
+    # Update global config
+    c[key] = value
+    # Update config file
+    if key in data:
+        fixup(data, key, value)
+    else:
+        data[key] = value
+    # Save
+    with open(path, 'w') as out:
+        json.dump(data, out, indent=4)
+    os.system('chmod 777 ' + path)
 
-# Load default colorset
-c = {}
-default_config = 'rainbowstream/colorset/default.json'
-data = load_config(default_config)
-for d in data:
-    c[d] = data[d]
-# Load user's colorset
-rainbow_config = os.environ.get('HOME', os.environ.get('USERPROFILE','')) + os.sep + '.rainbow_config.json'
-data = load_config(rainbow_config)
-for d in data:
-    c[d] = data[d]
+
+def delete_config(key):
+    """
+    Delete a config key
+    """
+    path = os.path.expanduser("~") + os.sep + '.rainbow_config.json'
+    data = load_config(path)
+    # Drop key
+    if key in data and key in c:
+        data.pop(key)
+        c.pop(key)
+        try:
+            data[key] = c[key] = get_default_config(key)
+        except:
+            pass
+    else:
+        raise Exception('No such config key.')
+    # Save
+    with open(path, 'w') as out:
+        json.dump(data, out, indent=4)
+    os.system('chmod 777 ' + path)
+
+
+def reload_config():
+    """
+    Reload config
+    """
+    rainbow_config = os.path.expanduser("~") + os.sep + '.rainbow_config.json'
+    try:
+        data = load_config(rainbow_config)
+        for d in data:
+            c[d] = data[d]
+    except:
+        print('It seems that ~/.rainbow_config.json has wrong format :(')
+
+
+def init_config():
+    """
+    Init configuration
+    """
+    # Load the initial config
+    config = os.path.dirname(
+        __file__) + '/colorset/config'
+    try:
+        data = load_config(config)
+        for d in data:
+            c[d] = data[d]
+    except:
+        pass
+    # Load user's config
+    rainbow_config = os.path.expanduser("~") + os.sep + '.rainbow_config.json'
+    try:
+        data = load_config(rainbow_config)
+        for d in data:
+            c[d] = data[d]
+    except:
+        pass
+    # Load default theme
+    theme_file = os.path.dirname(
+        __file__) + '/colorset/' + c['THEME'] + '.json'
+    try:
+        data = load_config(theme_file)
+        for d in data:
+            c[d] = data[d]
+    except:
+        pass
+
+
+# Init config
+init_config()