From 3d7fcfd8ee872360229d4fc8f7230a82450640cb Mon Sep 17 00:00:00 2001
From: George Katsikas <giorgakis.katsikas@gmail.com>
Date: Wed, 6 Mar 2024 15:39:40 +0100
Subject: [PATCH] lazy-load lxml only when needed
---
scipost_django/journals/forms.py | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/scipost_django/journals/forms.py b/scipost_django/journals/forms.py
index 2595bb96f..74ebb7acf 100644
--- a/scipost_django/journals/forms.py
+++ b/scipost_django/journals/forms.py
@@ -243,8 +243,17 @@ class AuthorsTableOrganizationSelectForm(forms.ModelForm):
class CreateMetadataXMLForm(forms.ModelForm):
- schema = ET.XMLSchema(file=settings.STATIC_ROOT + settings.CROSSREF_SCHEMA_FILE)
- parser = ET.XMLParser(schema=schema)
+ schema = None
+ parser = None
+
+ @classmethod
+ def initialize_lxml(cls):
+ if cls.schema is None:
+ cls.schema = ET.XMLSchema(
+ file=settings.STATIC_ROOT + settings.CROSSREF_SCHEMA_FILE
+ )
+ if cls.parser is None:
+ cls.parser = ET.XMLParser(schema=cls.schema)
class Meta:
model = Publication
@@ -255,6 +264,9 @@ class CreateMetadataXMLForm(forms.ModelForm):
self.xml_str = self.format_xml(self.decode_html_entities(xml))
kwargs["initial"] = {"metadata_xml": self.xml_str}
+ if self.schema is None or self.parser is None:
+ self.initialize_lxml()
+
super().__init__(*args, **kwargs)
@staticmethod
--
GitLab