1- """
2- Filesystem operations for solc-select.
3-
4- This module handles file system operations including version storage,
5- configuration management, and directory operations.
6- """
1+ """Filesystem operations for solc-select."""
72
83import os
94import shutil
105from pathlib import Path
116
127from ..constants import ARTIFACTS_DIR , SOLC_SELECT_DIR
13- from ..models import SolcVersion
8+ from ..models . versions import SolcVersion
149
1510
1611class FilesystemManager :
@@ -22,80 +17,47 @@ def __init__(self) -> None:
2217 self ._ensure_directories ()
2318
2419 def _ensure_directories (self ) -> None :
25- """Ensure required directories exist."""
2620 self .artifacts_dir .mkdir (parents = True , exist_ok = True )
2721 self .config_dir .mkdir (parents = True , exist_ok = True )
2822
2923 def get_current_version (self ) -> SolcVersion | None :
30- """Get the currently selected version.
31-
32- Returns:
33- Currently selected version or None if not set
34- """
35- # Check environment variable first
24+ """Get the currently selected version."""
3625 env_version = os .environ .get ("SOLC_VERSION" )
3726 if env_version :
3827 try :
3928 return SolcVersion .parse (env_version )
4029 except ValueError :
4130 return None
4231
43- # Check global version file
4432 global_version_file = self .config_dir / "global-version"
4533 if global_version_file .exists ():
4634 try :
4735 with open (global_version_file , encoding = "utf-8" ) as f :
48- version_str = f .read ().strip ()
49- return SolcVersion .parse (version_str )
36+ return SolcVersion .parse (f .read ().strip ())
5037 except (OSError , ValueError ):
5138 return None
5239
5340 return None
5441
5542 def set_global_version (self , version : SolcVersion ) -> None :
56- """Set the global version.
57-
58- Args:
59- version: Version to set as global
60- """
43+ """Set the global version."""
6144 global_version_file = self .config_dir / "global-version"
6245 with open (global_version_file , "w" , encoding = "utf-8" ) as f :
6346 f .write (str (version ))
6447
6548 def get_version_source (self ) -> str :
66- """Get the source of the current version setting.
67-
68- Returns:
69- Source description (environment variable or file path)
70- """
49+ """Get the source of the current version setting."""
7150 if os .environ .get ("SOLC_VERSION" ):
7251 return "SOLC_VERSION"
73-
74- global_version_file = self .config_dir / "global-version"
75- return global_version_file .as_posix ()
52+ return (self .config_dir / "global-version" ).as_posix ()
7653
7754 def get_artifact_directory (self , version : SolcVersion ) -> Path :
78- """Get the directory for a version's artifacts.
79-
80- Args:
81- version: Version to get directory for
82-
83- Returns:
84- Path to the artifact directory
85- """
55+ """Get the directory for a version's artifacts."""
8656 return self .artifacts_dir / f"solc-{ version }
8757
8858 def get_binary_path (self , version : SolcVersion ) -> Path :
89- """Get the path to a version's binary.
90-
91- Args:
92- version: Version to get binary path for
93-
94- Returns:
95- Path to the binary executable
96- """
97- artifact_dir = self .get_artifact_directory (version )
98- return artifact_dir / f"solc-{ version }
59+ """Get the path to a version's binary."""
60+ return self .get_artifact_directory (version ) / f"solc-{ version }
9961
10062 def cleanup_artifacts_directory (self ) -> None :
10163 """Remove the entire artifacts directory for upgrades."""
@@ -104,14 +66,35 @@ def cleanup_artifacts_directory(self) -> None:
10466 self .artifacts_dir .mkdir (parents = True , exist_ok = True )
10567
10668 def is_legacy_installation (self , version : SolcVersion ) -> bool :
107- """Check if a version uses the old installation format.
108-
109- Args:
110- version: Version to check
111-
112- Returns:
113- True if using legacy format, False otherwise
114- """
115- # Legacy format: artifacts/solc-{version} (file instead of directory)
69+ """Check if a version uses the old installation format (file instead of directory)."""
11670 legacy_path = self .artifacts_dir / f"solc-{ version }
11771 return legacy_path .exists () and legacy_path .is_file ()
72+
73+ def get_installed_versions (self ) -> list [SolcVersion ]:
74+ """Get list of installed versions sorted by version number."""
75+ if not self .artifacts_dir .exists ():
76+ return []
77+
78+ installed = []
79+ for item in self .artifacts_dir .iterdir ():
80+ if item .is_dir () and item .name .startswith ("solc-" ):
81+ version_str = item .name .replace ("solc-" , "" )
82+ try :
83+ version = SolcVersion .parse (version_str )
84+ if self .is_installed (version ):
85+ installed .append (version )
86+ except ValueError :
87+ continue
88+
89+ installed .sort ()
90+ return installed
91+
92+ def is_installed (self , version : SolcVersion ) -> bool :
93+ """Check if a version is installed."""
94+ return self .get_binary_path (version ).exists ()
95+
96+ def ensure_artifact_directory (self , version : SolcVersion ) -> Path :
97+ """Ensure artifact directory exists for a version."""
98+ artifact_dir = self .get_artifact_directory (version )
99+ artifact_dir .mkdir (parents = True , exist_ok = True )
100+ return artifact_dir
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