package restructuring: base

* Reader and Extractor to respective reader/extractor modules
* ReaderBuilder to reader module
* ExtractorBuilder to extractor module
* Loading module in utils (safe_load, unpack_name)
* Pipeline and PipelineBuilder to lib module
* errors to utils
* documentation: "standard import" and "external import"

1 files changed, 6 insertions, 4 deletions

diff --git a/bsie/extractor/generic/stat.py b/bsie/extractor/generic/stat.py
index 0b9ce29..1381fe2 100644
--- a/bsie/extractor/generic/stat.py
+++ b/bsie/extractor/generic/stat.py
@@ -4,14 +4,16 @@ Part of the bsie module.
 A copy of the license is provided with the project.
 Author: Matthias Baumgartner, 2022
 """
-# imports
+# standard imports
 import os
 import typing
 
 # bsie imports
-from bsie.base import extractor
 from bsie.utils import bsfs, node, ns
 
+# inner-module imports
+from .. import base
+
 # exports
 __all__: typing.Sequence[str] = (
     'Stat',
@@ -20,7 +22,7 @@ __all__: typing.Sequence[str] = (
 
 ## code ##
 
-class Stat(extractor.Extractor):
+class Stat(base.Extractor):
     """Extract information from the file system."""
 
     CONTENT_READER = 'bsie.reader.stat.Stat'
@@ -29,7 +31,7 @@ class Stat(extractor.Extractor):
     _callmap: typing.Dict[bsfs.schema.Predicate, typing.Callable[[os.stat_result], typing.Any]]
 
     def __init__(self):
-        super().__init__(bsfs.schema.Schema.from_string(extractor.SCHEMA_PREAMBLE + '''
+        super().__init__(bsfs.schema.Schema.from_string(base.SCHEMA_PREAMBLE + '''
             bse:filesize rdfs:subClassOf bsfs:Predicate ;
                 rdfs:domain bsfs:File ;
                 rdfs:range xsd:integer ;