restric dependency import error only to DBC

Author: luabida

poetry.lock

@@ -36,15 +36,15 @@ python-magic = "^0.4.27"
 chardet = "^7.4.0.post2"
 anyio = "^4.13.0"
 humanize = "^4.8.0"
+aioftp = "^0.21.4"
+dbfread = "2.0.7"
+bigtree = "^0.12.2"
 
-dbfread = { version = "2.0.7", optional = true }
 pyreaddbc = { version = ">=1.1.0", optional = true }
 pycparser = { version = "2.21", optional = true }
-bigtree = { version = "^0.12.2", optional = true }
-aioftp = { version = "^0.21.4", optional = true }
 
 [tool.poetry.extras]
-ftp = ["dbfread", "pyreaddbc", "pycparser", "bigtree", "aioftp"]
+dbc = ["pyreaddbc", "pycparser"]
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=6.1.0"

pyproject.toml

@@ -606,10 +606,8 @@ def _extract():
 
 class FTPNotImported(BaseTabularFile):
     type: FileType = Field(None)
-    import_err: ClassVar[
-        str
-    ] = """
-        run "pip install pysus[ftp]" to handle DBC or DBF files
+    import_err: ClassVar[str] = """
+        run "pip install pysus[dbc]" to handle DBC files
     """
 
     @property
@@ -648,7 +646,7 @@ class ExtensionFactory:
         ".tar.gz": Tar,
         ".csv": CSV,
         ".parquet": Parquet,
-        ".dbf": DBF if FTP_IMPORT else FTPNotImported,
+        ".dbf": DBF,
         ".dbc": DBC if FTP_IMPORT else FTPNotImported,
         ".pdf": PDF,
         ".json": JSON,