Platform detection check

slither/tools/doctor/__main__.py

@@ -1,21 +1,9 @@
 import argparse
-import logging
+from pathlib import Path
 
 from crytic_compile import cryticparser
-
+import crytic_compile.crytic_compile as crytic_compile
-
+from slither.utils.colors import red, yellow, green
-logging.basicConfig()
-logging.getLogger("Slither").setLevel(logging.INFO)
-
-logger = logging.getLogger("Slither-doctor")
-logger.setLevel(logging.INFO)
-
-ch = logging.StreamHandler()
-ch.setLevel(logging.INFO)
-formatter = logging.Formatter("%(message)s")
-logger.addHandler(ch)
-logger.handlers[0].setFormatter(formatter)
-logger.propagate = False
 
 
 def parse_args():
@@ -36,10 +24,55 @@ def parse_args():
     return parser.parse_args()
 
 
+def detect_platform(project: str, **kwargs):
+    print("## Project platform")
+    print()
+
+    path = Path(project)
+    if path.is_file():
+        print(
+            yellow(
+                f"{project!r} is a file. Using it as target will manually compile your code with solc and _not_ use a compilation framework. Is that what you meant to do?"
+            )
+        )
+        return
+
+    print(f"Trying to detect project type for {project!r}")
+
+    supported_platforms = crytic_compile.get_platforms()
+    skip_platforms = {"solc", "solc-json", "archive", "standard", "etherscan"}
+    detected_platforms = {
+        platform.NAME: platform.is_supported(project, **kwargs)
+        for platform in supported_platforms
+        if platform.NAME.lower() not in skip_platforms
+    }
+    platform_qty = len([platform for platform, state in detected_platforms.items() if state])
+
+    print("Is this project using...")
+    for platform, state in detected_platforms.items():
+        print(f"    =>  {platform + '?':<15}{state and green('Yes') or red('No')}")
+    print()
+
+    if platform_qty == 0:
+        print(red("No platform was detected! This doesn't sound right."))
+        print(
+            yellow(
+                "Are you trying to analyze a folder with standalone solidity files, without using a compilation framework? If that's the case, then this is okay."
+            )
+        )
+    elif platform_qty > 1:
+        print(red("More than one platform was detected! This doesn't sound right."))
+        print(red("Please use `--compile-force-framework` in Slither to force the correct framework."))
+    else:
+        print(green("A single platform was detected."), yellow("Is it the one you expected?"))
+
+
 def main():
     args = parse_args()
 
-    print("Hello world")
+    detect_platform(args.project)
+
+    # TODO other checks
 
 
 if __name__ == "__main__":