Filter out empty entities internally (#1041)

* Filter out empty entities internally 

I guess it's fine to handle empty entities internally to avoid ENTITY_BOUNDS_INVALID , so the client won't send the empty entities

* revert utils and apply changes to parser/html.py

* Update utils.py

* Update utils.py

* Update utils.py

* Update html.py

* Update utils.py

* Update utils.py

Co-authored-by: Dan <14043624+delivrance@users.noreply.github.com>

pyrogram/parser/html.py

@@ -140,6 +140,9 @@ class HTML:
 
             entities.append(entity)
 
+        # Remove zero-length entities
+        entities = list(filter(lambda x: x.length > 0, entities))
+
         return {
             "message": utils.remove_surrogates(parser.text),
             "entities": sorted(entities, key=lambda e: e.offset)
@@ -156,13 +159,21 @@ class HTML:
             start = entity.offset
             end = start + entity.length
 
-            if entity_type in (MessageEntityType.BOLD, MessageEntityType.ITALIC, MessageEntityType.UNDERLINE,
+            if entity_type in (
-                               MessageEntityType.STRIKETHROUGH):
+                MessageEntityType.BOLD,
+                MessageEntityType.ITALIC,
+                MessageEntityType.UNDERLINE,
+                MessageEntityType.STRIKETHROUGH,
+            ):
                 name = entity_type.name[0].lower()
                 start_tag = f"<{name}>"
                 end_tag = f"</{name}>"
-            elif entity_type in (MessageEntityType.CODE, MessageEntityType.PRE, MessageEntityType.BLOCKQUOTE,
+            elif entity_type in (
-                                 MessageEntityType.SPOILER):
+                MessageEntityType.CODE,
+                MessageEntityType.PRE,
+                MessageEntityType.BLOCKQUOTE,
+                MessageEntityType.SPOILER,
+            ):
                 name = entity_type.name.lower()
                 start_tag = f"<{name}>"
                 end_tag = f"</{name}>"

pyrogram/utils.py

@@ -48,8 +48,10 @@ def get_input_media_from_file_id(
     try:
         decoded = FileId.decode(file_id)
     except Exception:
-        raise ValueError(f'Failed to decode "{file_id}". The value does not represent an existing local file, '
+        raise ValueError(
-                         f'HTTP URL, or valid file id.')
+            f'Failed to decode "{file_id}". The value does not represent an existing local file, '
+            f"HTTP URL, or valid file id."
+        )
 
     file_type = decoded.file_type
 
@@ -82,7 +84,11 @@ def get_input_media_from_file_id(
     raise ValueError(f"Unknown file id: {file_id}")
 
 
-async def parse_messages(client, messages: "raw.types.messages.Messages", replies: int = 1) -> List["types.Message"]:
+async def parse_messages(
+    client,
+    messages: "raw.types.messages.Messages",
+    replies: int = 1
+) -> List["types.Message"]:
     users = {i.id: i for i in messages.users}
     chats = {i.id: i for i in messages.chats}
 
@@ -260,8 +266,10 @@ def xor(a: bytes, b: bytes) -> bytes:
     return bytes(i ^ j for i, j in zip(a, b))
 
 
-def compute_password_hash(algo: raw.types.PasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow,
+def compute_password_hash(
-                          password: str) -> bytes:
+    algo: raw.types.PasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow,
+    password: str
+) -> bytes:
     hash1 = sha256(algo.salt1 + password.encode() + algo.salt1)
     hash2 = sha256(algo.salt2 + hash1 + algo.salt2)
     hash3 = hashlib.pbkdf2_hmac("sha512", hash2, algo.salt1, 100000)
@@ -270,7 +278,10 @@ def compute_password_hash(algo: raw.types.PasswordKdfAlgoSHA256SHA256PBKDF2HMACS
 
 
 # noinspection PyPep8Naming
-def compute_password_check(r: raw.types.account.Password, password: str) -> raw.types.InputCheckPasswordSRP:
+def compute_password_check(
+    r: raw.types.account.Password,
+    password: str
+) -> raw.types.InputCheckPasswordSRP:
     algo = r.current_algo
 
     p_bytes = algo.p