diff --git a/kicost/edas/eda.py b/kicost/edas/eda.py
new file mode 100644
index 000000000..6b238ff69
--- /dev/null
+++ b/kicost/edas/eda.py
@@ -0,0 +1,46 @@
+# MIT license
+#
+# Copyright (C) 2020 by Hildo Guillardi Junior
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# Libraries.
+
+
+from .global_vars import *
+
+
+__all__ = ['eda_class']
+
+
+class eda_class(object):
+    def __init__(self, name, logger):
+        self.name = name
+        self.logger = logger
+
+def get_part_groups(in_file):
+    '''Get groups of identical parts from an generic CSV file and return them as a dictionary.
+       @param in_file `str()` with the file name.
+       @param ignore_fields `list()` fields do be ignored on the read action.
+       @param variant `str()` in regular expression to match with the design version of the BOM.
+       For now, `variant`is not used on CSV read, just kept to compatibility with the other EDA submodules.
+       @return `dict()` of the parts designed. The keys are the components references.
+    '''
+
+    #TODO this file aims to be a base class file for create all the BOM readers.
\ No newline at end of file
diff --git a/kicost/edas/eda_altium.py b/kicost/edas/eda_altium.py
index 5d5b91478..e8c428d49 100644
--- a/kicost/edas/eda_altium.py
+++ b/kicost/edas/eda_altium.py
@@ -41,6 +41,12 @@
 from .tools import field_name_translations, remove_dnp_parts
 from .tools import PART_REF_REGEX_NOT_ALLOWED
 
+from .eda import eda_class
+
+class eda_altium(eda_class):
+    def __init__(self):
+        pass
+
 # Add to deal with the fileds of Altium and WEB tools.
 field_name_translations.update(
     {
diff --git a/kicost/edas/eda_kicad.py b/kicost/edas/eda_kicad.py
index fac46699e..7c25be25a 100644
--- a/kicost/edas/eda_kicad.py
+++ b/kicost/edas/eda_kicad.py
@@ -31,6 +31,13 @@
 from .tools import field_name_translations, remove_dnp_parts
 
 
+from .eda import eda_class
+
+class eda_altium(eda_class):
+    def __init__(self):
+        pass
+
+
 __all__ = ['get_part_groups']
 
 from . import eda_dict
diff --git a/kicost/edas/generic_csv.py b/kicost/edas/generic_csv.py
index 711d2090c..e2807ba26 100644
--- a/kicost/edas/generic_csv.py
+++ b/kicost/edas/generic_csv.py
@@ -38,6 +38,12 @@
 from .tools import field_name_translations, remove_dnp_parts, split_refs
 from ..distributors.global_vars import distributor_dict
 
+from .eda import eda_class
+
+class generic_csv(eda_class):
+    def __init__(self):
+        pass
+
 # Add to deal with the generic CSV header purchase list.
 field_name_translations.update(
     {
@@ -93,7 +99,7 @@ def get_part_groups(in_file, ignore_fields, variant):
        @param ignore_fields `list()` fields do be ignored on the read action.
        @param variant `str()` in regular expression to match with the design version of the BOM.
        For now, `variant`is not used on CSV read, just kept to compatibility with the other EDA submodules.
-       @return `dict()` of the parts designed. The keys are the componentes references.
+       @return `dict()` of the parts designed. The keys are the components references.
     '''
 
     ign_fields = [str(f.lower()) for f in ignore_fields]
diff --git a/kicost/edas/global_vars.py b/kicost/edas/global_vars.py
new file mode 100644
index 000000000..5c984e62d
--- /dev/null
+++ b/kicost/edas/global_vars.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# MIT license
+#
+# Copyright (C) 2018 by XESS Corporation / Hildo Guillardi Junior
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# Heritage of the above global vars.
+from ..global_vars import * # Debug information and `SEPRTR`.