From 247eb74e2a98c556b1cf06f87b0da0c2fcc82b73 Mon Sep 17 00:00:00 2001
From: Stefan Tatschner <stefan@rumpelsepp.org>
Date: Wed, 26 Jun 2024 15:06:32 +0200
Subject: [PATCH] chore: Add windows support as tier2

It will be guaranteed that gallia does not use any linux only interfaces
and crashes on windows systems. That's all.
---
 src/gallia/command/base.py        | 26 ++++++++++++++++----------
 src/gallia/transports/__init__.py | 29 +++++++++++++++++------------
 2 files changed, 33 insertions(+), 22 deletions(-)

diff --git a/src/gallia/command/base.py b/src/gallia/command/base.py
index 3cba4e3e3..aa169d166 100644
--- a/src/gallia/command/base.py
+++ b/src/gallia/command/base.py
@@ -4,7 +4,6 @@
 
 import argparse
 import asyncio
-import fcntl
 import os
 import os.path
 import shutil
@@ -20,6 +19,9 @@
 from tempfile import gettempdir
 from typing import cast
 
+if sys.platform != "windows":
+    import fcntl
+
 import exitcode
 import msgspec
 
@@ -344,7 +346,9 @@ def prepare_artifactsdir(
             artifacts_dir.mkdir(parents=True)
 
             self._dump_environment(artifacts_dir.joinpath(FileNames.ENV.value))
-            self._add_latest_link(command_dir)
+
+            if sys.platform != "windows":
+                self._add_latest_link(command_dir)
 
             return artifacts_dir.absolute()
 
@@ -369,12 +373,13 @@ def _release_flock(self) -> None:
         os.close(self._lock_file_fd)
 
     def entry_point(self, args: Namespace) -> int:
-        if (p := args.lock_file) is not None:
-            try:
-                self._aquire_flock(p)
-            except OSError as e:
-                logger.critical(f"Unable to lock {p}: {e}")
-                return exitcode.OSFILE
+        if sys.platform != "windows":
+            if (p := args.lock_file) is not None:
+                try:
+                    self._aquire_flock(p)
+                except OSError as e:
+                    logger.critical(f"Unable to lock {p}: {e}")
+                    return exitcode.OSFILE
 
         if self.HAS_ARTIFACTS_DIR:
             self.artifacts_dir = self.prepare_artifactsdir(
@@ -433,8 +438,9 @@ def entry_point(self, args: Namespace) -> int:
         if args.hooks:
             self.run_hook(HookVariant.POST, args, exit_code)
 
-        if self._lock_file_fd is not None:
-            self._release_flock()
+        if sys.platform != "windows":
+            if self._lock_file_fd is not None:
+                self._release_flock()
 
         return exit_code
 
diff --git a/src/gallia/transports/__init__.py b/src/gallia/transports/__init__.py
index 2c70173ba..6d03abd6c 100644
--- a/src/gallia/transports/__init__.py
+++ b/src/gallia/transports/__init__.py
@@ -5,37 +5,42 @@
 import sys
 
 from gallia.transports.base import BaseTransport, TargetURI
-from gallia.transports.can import RawCANTransport
 from gallia.transports.doip import DoIPTransport
-from gallia.transports.isotp import ISOTPTransport
 from gallia.transports.tcp import TCPLinesTransport, TCPTransport
-from gallia.transports.unix import UnixLinesTransport, UnixTransport
 
 registry: list[type[BaseTransport]] = [
     DoIPTransport,
-    ISOTPTransport,
-    RawCANTransport,
     TCPLinesTransport,
     TCPTransport,
-    UnixLinesTransport,
-    UnixTransport,
 ]
 
 __all__ = [
     "BaseTransport",
     "DoIPTransport",
-    "ISOTPTransport",
-    "RawCANTransport",
     "TCPLinesTransport",
     "TCPTransport",
-    "UnixLinesTransport",
-    "UnixTransport",
     "TargetURI",
 ]
 
 
+if sys.platform == "linux":
+    from gallia.transports.isotp import ISOTPTransport
+    registry.append(ISOTPTransport)
+    __all__.append("ISOTPTransport")
+
+    from gallia.transports.can import RawCANTransport
+    registry.append(RawCANTransport)
+    __all__.append("RawCANTransport")
+
+    from gallia.transports.unix import UnixLinesTransport, UnixTransport
+    registry.append(UnixLinesTransport)
+    __all__.append("UnixLinesTransport")
+    registry.append(UnixTransport)
+    __all__.append("UnixTransport")
+
+
 if sys.platform == "windows":
-    from gallia.transports import vector
+    from gallia.transports.vector import vector
 
     registry.append(vector.FlexrayTransport)
     __all__.append("FlexrayTransport")