Initial commit: Accounting packages

odoo-bringout-oca-ocb-account/account/tools/__init__.py

@@ -0,0 +1,40 @@
+from itertools import zip_longest
+import requests
+from urllib3.util.ssl_ import create_urllib3_context
+
+
+def calc_check_digits(number: str) -> str:
+    """Calculate the extra digits that should be appended to the number to make it a valid number.
+    Source: python-stdnum iso7064.mod_97_10.calc_check_digits
+    """
+    number_base10 = ''.join(str(int(x, 36)) for x in number)
+    checksum = int(number_base10) % 97
+    return '%02d' % ((98 - 100 * checksum) % 97)
+
+
+def format_rf_reference(number: str) -> str:
+    """Format a string into a Structured Creditor Reference.
+
+    The Creditor Reference is an international standard (ISO 11649).
+    Example: `123456789` -> `RF18 1234 5678 9`
+    """
+    check_digits = calc_check_digits('{}RF'.format(number))
+    return 'RF{} {}'.format(
+        check_digits,
+        " ".join("".join(x) for x in zip_longest(*[iter(str(number))]*4, fillvalue=""))
+    )
+
+
+class LegacyHTTPAdapter(requests.adapters.HTTPAdapter):
+    """ An adapter to allow unsafe legacy renegotiation necessary to connect to
+    gravely outdated ETA production servers.
+    """
+
+    def init_poolmanager(self, *args, **kwargs):
+        # This is not defined before Python 3.12
+        # cfr. https://github.com/python/cpython/pull/93927
+        # Origin: https://github.com/openssl/openssl/commit/ef51b4b9
+        OP_LEGACY_SERVER_CONNECT = 0x04
+        context = create_urllib3_context(options=OP_LEGACY_SERVER_CONNECT)
+        kwargs["ssl_context"] = context
+        return super().init_poolmanager(*args, **kwargs)