[ADD] sixteen_in_fourteen

Author: paradoxxxzero

sixteen_in_fourteen/__init__.py

@@ -0,0 +1,58 @@
+import sys
+import importlib
+
+MOVED_MODULES = {
+    "odoo.addons.sale.models.sale_order_line": "odoo.addons.sale.models.sale",
+    "odoo.addons.sale.models.sale_order": "odoo.addons.sale.models.sale",
+}
+EXTENDED_MODULES = ["odoo.tools.float_utils", "odoo.http"]
+
+
+def extend(module, name):
+    extended_module = importlib.import_module(f"odoo.addons.sixteen_in_fourteen.{name}")
+    module.__dict__.update(
+        {
+            key: value
+            for key, value in extended_module.__dict__.items()
+            if key not in ["__file__", "__doc__", "__package__", "__loader__"]
+        }
+    )
+
+
+class SixteenInFourteenMovedHook(object):
+    def find_module(self, name, path=None):
+        if name in MOVED_MODULES:
+            return self
+
+    def load_module(self, name):
+        assert name not in sys.modules
+        odoo_module = sys.modules.get(name)
+        if not odoo_module:
+            odoo_module = importlib.import_module(MOVED_MODULES[name])
+        sys.modules[name] = odoo_module
+        return odoo_module
+
+
+class SixteenInFourteenExtendedHook(object):
+    def find_module(self, name, path=None):
+        if name in EXTENDED_MODULES:
+            return self
+
+    def load_module(self, name):
+        assert name not in sys.modules
+        odoo_module = sys.modules.get(name)
+        if not odoo_module:
+            odoo_module = importlib.import_module(name)
+            extend(odoo_module, name)
+
+        sys.modules[name] = odoo_module
+        return odoo_module
+
+
+sys.meta_path.insert(0, SixteenInFourteenMovedHook())
+sys.meta_path.insert(0, SixteenInFourteenExtendedHook())
+
+# Also patch already imported modules
+for mod in EXTENDED_MODULES:
+    if mod in sys.modules:
+        extend(sys.modules[mod], mod)

sixteen_in_fourteen/__manifest__.py

@@ -0,0 +1,19 @@
+# Copyright 2024 Akretion (http://www.akretion.com).
+# @author Florian Mounier <florian.mounier@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Sixteen in Fourteen",
+    "summary": "Layer of compat to run 16.0 modules in 14.0",
+    "version": "14.0.1.0.0",
+    "category": "Technical",
+    "website": "https://github.com/akretion/ak-odoo-incubator",
+    "author": " Akretion",
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "depends": [
+        "base",
+    ],
+    "data": [],
+}

sixteen_in_fourteen/odoo/http.py

@@ -0,0 +1,84 @@
+from abc import ABC, abstractmethod
+import werkzeug.exceptions
+import collections.abc
+
+_dispatchers = {}
+CORS_MAX_AGE = 60 * 60 * 24
+
+
+class Dispatcher(ABC):
+    routing_type: str
+
+    @classmethod
+    def __init_subclass__(cls):
+        super().__init_subclass__()
+        _dispatchers[cls.routing_type] = cls
+
+    def __init__(self):
+        from odoo.http import request
+
+        self.request = request
+
+    @classmethod
+    @abstractmethod
+    def is_compatible_with(cls, request):
+        """
+        Determine if the current request is compatible with this
+        dispatcher.
+        """
+
+    def pre_dispatch(self, rule, args):
+        """
+        Prepare the system before dispatching the request to its
+        controller. This method is often overridden in ir.http to
+        extract some info from the request query-string or headers and
+        to save them in the session or in the context.
+        """
+        routing = rule.endpoint.routing
+        self.request.session.can_save = routing.get("save_session", True)
+
+        set_header = self.request.future_response.headers.set
+        cors = routing.get("cors")
+        if cors:
+            set_header("Access-Control-Allow-Origin", cors)
+            set_header(
+                "Access-Control-Allow-Methods",
+                (
+                    "POST"
+                    if routing["type"] == "json"
+                    else ", ".join(routing["methods"] or ["GET", "POST"])
+                ),
+            )
+
+        if cors and self.request.httprequest.method == "OPTIONS":
+            set_header("Access-Control-Max-Age", CORS_MAX_AGE)
+            set_header(
+                "Access-Control-Allow-Headers",
+                "Origin, X-Requested-With, Content-Type, Accept, Authorization",
+            )
+            werkzeug.exceptions.abort(Response(status=204))
+
+    @abstractmethod
+    def dispatch(self, endpoint, args):
+        """
+        Extract the params from the request's body and call the
+        endpoint. While it is preferred to override ir.http._pre_dispatch
+        and ir.http._post_dispatch, this method can be override to have
+        a tight control over the dispatching.
+        """
+
+    def post_dispatch(self, response):
+        """
+        Manipulate the HTTP response to inject various headers, also
+        save the session when it is dirty.
+        """
+        self.request._save_session()
+        self.request._inject_future_response(response)
+        root.set_csp(response)
+
+    @abstractmethod
+    def handle_error(self, exc: Exception) -> collections.abc.Callable:
+        """
+        Transform the exception into a valid HTTP response. Called upon
+        any exception while serving a request.
+        """

sixteen_in_fourteen/odoo/tools/float_utils.py

@@ -0,0 +1,30 @@
+def json_float_round(value, precision_digits, rounding_method="HALF-UP"):
+    """Not suitable for float calculations! Similar to float_repr except that it
+    returns a float suitable for json dump
+
+    This may be necessary to produce "exact" representations of rounded float
+    values during serialization, such as what is done by `json.dumps()`.
+    Unfortunately `json.dumps` does not allow any form of custom float representation,
+    nor any custom types, everything is serialized from the basic JSON types.
+
+    :param int precision_digits: number of fractional digits to round to.
+    :param rounding_method: the rounding method used: 'HALF-UP', 'UP' or 'DOWN',
+           the first one rounding up to the closest number with the rule that
+           number>=0.5 is rounded up to 1, the second always rounding up and the
+           latest one always rounding down.
+    :return: a rounded float value that must not be used for calculations, but
+             is ready to be serialized in JSON with minimal chances of
+             representation errors.
+    """
+    rounded_value = float_round(
+        value, precision_digits=precision_digits, rounding_method=rounding_method
+    )
+    rounded_repr = float_repr(rounded_value, precision_digits=precision_digits)
+    # As of Python 3.1, rounded_repr should be the shortest representation for our
+    # rounded float, so we create a new float whose repr is expected
+    # to be the same value, or a value that is semantically identical
+    # and will be used in the json serialization.
+    # e.g. if rounded_repr is '3.1750', the new float repr could be 3.175
+    # but not 3.174999999999322452.
+    # Cfr. bpo-1580: https://bugs.python.org/issue1580
+    return float(rounded_repr)