IfcGit fixes suggested by ruff

src/blenderbim/blenderbim/bim/module/ifcgit/data.py

@@ -88,7 +88,7 @@ class IfcGitData:
         try:
             if tool.IfcGitRepo.repo.branches:
                 return tool.IfcGit.branches_by_hexsha(tool.IfcGitRepo.repo)
-        except:
+        except AttributeError:
             return {}
 
     @classmethod

src/blenderbim/blenderbim/tool/ifcgit.py

@@ -1,18 +1,17 @@
 import os
 import re
-
-# allows git import even if git executable isn't found
-os.environ["GIT_PYTHON_REFRESH"] = "quiet"
-try:
-    import git
-except:
-    print("Warning: GitPython not available.")
 import bpy
 import logging
 from blenderbim.bim import import_ifc
 from blenderbim.bim.ifc import IfcStore
 import blenderbim.tool as tool
 
+# allows git import even if git executable isn't found
+os.environ["GIT_PYTHON_REFRESH"] = "quiet"
+try:
+    import git
+except ImportError:
+    print("Warning: GitPython not available.")
 
 class IfcGit:
     @classmethod
@@ -54,17 +53,19 @@ class IfcGit:
         else:
             return None
 
-        if IfcGitRepo.repo != None and IfcGitRepo.repo.working_dir == path_dir:
+        if IfcGitRepo.repo is not None and IfcGitRepo.repo.working_dir == path_dir:
             return IfcGitRepo.repo
 
         try:
             repo = git.Repo(path_dir)
-        except:
+        except git.exc.InvalidGitRepositoryError:
             parentdir_path = os.path.abspath(os.path.join(path_dir, os.pardir))
             if parentdir_path == path_dir:
                 # root folder
                 return None
             return cls.repo_from_path(parentdir_path)
+        except git.exc.NoSuchPathError:
+            return None
         if repo:
             IfcGitRepo.repo = repo
         return repo
@@ -181,9 +182,9 @@ class IfcGit:
 
         for commit in commits:
 
-            if props.ifcgit_filter == "tagged" and not commit.hexsha in lookup:
+            if props.ifcgit_filter == "tagged" and commit.hexsha not in lookup:
                 continue
-            elif props.ifcgit_filter == "relevant" and not commit in commits_relevant:
+            elif props.ifcgit_filter == "relevant" and commit not in commits_relevant:
                 continue
 
             props.ifcgit_commits.add()
@@ -485,8 +486,7 @@ class IfcGit:
                                 cls.dos2unix(path_ifc)
                             repo.index.add(path_ifc)
                             repo.git.commit("--no-edit")
-                    except:
-
+                    except git.exc.GitError:
                         operator.report({"ERROR"}, "Unknown IFC Merge failure")
                         return False
 
@@ -506,7 +506,7 @@ class IfcGit:
         query = "/^#" + str(step_id) + "[ =]/,/;/:" + relpath_ifc
         try:
             logtext = repo.git.log("-L", query, "-s")
-        except:
+        except git.exc.CommandError:
             logtext = "No Git history found :("
         return logtext