erp5_corporate_identity: allow easy customization of variables used in Letter's template

bt5/erp5_corporate_identity/SkinTemplateItem/portal_skins/erp5_corporate_identity/Base_viewAsLetter.py

@@ -76,6 +76,7 @@ else:
   # cut corner to retrieve path to css files
   letter_version = "001"
   letter_reference = letter.getReference()
+  extra_template_kw = letter.Letter_getExtraTemplateVariableDict()
 
 # overrides for tests
 if override_batch_mode:
@@ -157,7 +158,8 @@ if letter_format == "html":
     letter_source_website=letter_source.get("website", blank),
     letter_source_bank=letter_source.get("bank", blank),
     letter_source_bic=letter_source.get("bic", blank),
-    letter_source_iban=letter_source.get("iban", blank)
+    letter_source_iban=letter_source.get("iban", blank),
+    **extra_template_kw
   )
   return letter.Base_finishWebPageCreation(
     doc_download=letter_download,
@@ -186,7 +188,8 @@ if letter_format == "pdf":
     letter_theme_logo_url=letter.Base_setUrl(path=letter_source.get("enhanced_logo_url"), display=None),
     letter_theme_logo_alt=letter_theme.get("theme_logo_description"),
     letter_timestamp=letter_modification_date.strftime('%Y-%m-%d'),
-    letter_source_city=letter_source.get("city", blank)
+    letter_source_city=letter_source.get("city", blank),
+    **extra_template_kw
   )
 
   letter_content = letter.Letter_createLetterContent(
@@ -212,7 +215,8 @@ if letter_format == "pdf":
     letter_source_city=letter_source.get("city", blank),
     letter_source_country_code=letter_source.get("codification", blank),
     letter_display_source_adress=letter_display_source_adress,
-    letter_content = letter_content
+    letter_content = letter_content,
+    **extra_template_kw
   )
 
   letter_foot = letter.Letter_createLetterFooter(
@@ -241,6 +245,7 @@ if letter_format == "pdf":
     letter_source_bank=letter_source.get("bank", blank),
     letter_source_bic=letter_source.get("bic", blank),
     letter_source_iban=letter_source.get("iban", blank),
+    **extra_template_kw
   )
 
   # ================ encode and build cloudoo elements =========================

bt5/erp5_corporate_identity/SkinTemplateItem/portal_skins/erp5_corporate_identity/Letter_getExtraTemplateVariableDict.py

+return {}

bt5/erp5_corporate_identity/SkinTemplateItem/portal_skins/erp5_corporate_identity/Letter_getExtraTemplateVariableDict.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Letter_getExtraTemplateVariableDict</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>