v.0.10.0 redesign prj structure, multi dev containers

pico-client/utils/url_encode.py

@@ -0,0 +1,68 @@
+
+class URLEncoder:
+    @staticmethod
+    def encode(string):
+        """URL encode a string without using string methods"""
+        result = []
+        safe_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~"
+        
+        for char in string:
+            if char in safe_chars:
+                result.append(char)
+            else:
+                # result.append('%' + format(ord(char), '02X'))
+                # Converted to % formatting:
+                special_char = "%%%02X" % ord(char) 
+                
+                print( f"{char} --> {special_char}")
+                
+                result.append(special_char)
+                
+        return ''.join(result)    
+    
+    @staticmethod
+    def encode_utf8(string):
+        """URL encode a string with proper UTF-8 handling"""
+        result = []
+        safe_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~"
+        
+        for char in string:
+            if char in safe_chars:
+                result.append(char)
+            else:
+                # UTF-8 encoding for proper URL encoding
+                utf8_bytes = char.encode('utf-8')
+                for byte in utf8_bytes:
+                    result.append(f"%{byte:02X}")
+    
+        return ''.join(result)    
+    
+    @staticmethod
+    def encode_plus(string):
+        encoded = URLEncoder.encode(string)
+        return encoded.replace('%20', '+')
+    
+    @staticmethod
+    def decode(encoded_string):
+        result = []
+        i = 0
+        while i < len(encoded_string):
+            if encoded_string[i] == '%' and i + 2 < len(encoded_string):
+                hex_code = encoded_string[i+1:i+3]
+                result.append(chr(int(hex_code, 16)))
+                i += 3
+            elif encoded_string[i] == '+':
+                result.append(' ')
+                i += 1
+            else:
+                result.append(encoded_string[i])
+                i += 1
+        return ''.join(result)
+    
+    @staticmethod
+    def encode_params(params):
+        pairs = []
+        for key, value in params.items():
+            pairs.append(f"{URLEncoder.encode(str(key))}={URLEncoder.encode(str(value))}")
+        return '&'.join(pairs)
+