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/constant.py b/bsie/extractor/generic/constant.py
index 11384e6..7b1d942 100644
--- a/bsie/extractor/generic/constant.py
+++ b/bsie/extractor/generic/constant.py
@@ -4,13 +4,15 @@ Part of the bsie module.
 A copy of the license is provided with the project.
 Author: Matthias Baumgartner, 2022
 """
-# imports
+# standard imports
 import typing
 
 # bsie imports
-from bsie.base import extractor
 from bsie.utils import bsfs, node
 
+# inner-module imports
+from .. import base
+
 # exports
 __all__: typing.Sequence[str] = (
     'Constant',
@@ -19,7 +21,7 @@ __all__: typing.Sequence[str] = (
 
 ## code ##
 
-class Constant(extractor.Extractor):
+class Constant(base.Extractor):
     """Extract information from file's path."""
 
     CONTENT_READER = None
@@ -32,7 +34,7 @@ class Constant(extractor.Extractor):
             schema: str,
             tuples: typing.Iterable[typing.Tuple[bsfs.URI, typing.Any]],
             ):
-        super().__init__(bsfs.schema.Schema.from_string(extractor.SCHEMA_PREAMBLE + schema))
+        super().__init__(bsfs.schema.Schema.from_string(base.SCHEMA_PREAMBLE + schema))
         # NOTE: Raises a KeyError if the predicate is not part of the schema
         self._tuples = tuple((self.schema.predicate(p_uri), value) for p_uri, value in tuples)
         # TODO: use schema instance for value checking