fix: backward-compatibility with the new import logic

scrapling/defaults.py

@@ -1,19 +1,25 @@
-# If you are going to use Fetchers with the default settings, import them from this file instead for a cleaner looking code
+# Left this file for backward-compatibility before 0.2.99
+from scrapling.core.utils import log
+
 
 # A lightweight approach to create lazy loader for each import for backward compatibility
 # This will reduces initial memory footprint significantly (only loads what's used)
 def __getattr__(name):
     if name == 'Fetcher':
         from scrapling.fetchers import Fetcher as cls
-        return cls()
+        log.warning('This import is deprecated now and it will be removed with v0.3. Use `from scrapling.fetchers import Fetcher` instead')
+        return cls
     elif name == 'AsyncFetcher':
         from scrapling.fetchers import AsyncFetcher as cls
-        return cls()
+        log.warning('This import is deprecated now and it will be removed with v0.3. Use `from scrapling.fetchers import AsyncFetcher` instead')
+        return cls
     elif name == 'StealthyFetcher':
         from scrapling.fetchers import StealthyFetcher as cls
-        return cls()
+        log.warning('This import is deprecated now and it will be removed with v0.3. Use `from scrapling.fetchers import StealthyFetcher` instead')
+        return cls
     elif name == 'PlayWrightFetcher':
         from scrapling.fetchers import PlayWrightFetcher as cls
-        return cls()
+        log.warning('This import is deprecated now and it will be removed with v0.3. Use `from scrapling.fetchers import PlayWrightFetcher` instead')
+        return cls
     else:
         raise AttributeError(f"module 'scrapling' has no attribute '{name}'")