fixups for GPT4All v3.5.0-rc2 (#3239)

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

gpt4all-chat/CHANGELOG.md

@@ -9,6 +9,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 ### Changed
 - Update Italian translation ([#3236](https://github.com/nomic-ai/gpt4all/pull/3236))
 
+### Fixed
+- Fix a few more problems with the Jinja changes ([#3239](https://github.com/nomic-ai/gpt4all/pull/3239))
+
 ## [3.5.0-rc2] - 2024-12-06
 
 ### Changed

gpt4all-chat/qml/ChatItemView.qml

@@ -599,7 +599,14 @@ GridLayout {
             Layout.fillWidth: false
             name: editingDisabledReason ?? qsTr("Redo")
             source: "qrc:/gpt4all/icons/regenerate.svg"
-            onClicked: redoResponseDialog.open()
+            onClicked: {
+                if (index == chatModel.count - 1) {
+                    // regenerate last message without confirmation
+                    currentChat.regenerateResponse(index);
+                    return;
+                }
+                redoResponseDialog.open();
+            }
         }
 
         ChatMessageButton {

gpt4all-chat/src/chatllm.cpp

@@ -13,6 +13,7 @@
 #include <jinja2cpp/error_info.h>
 #include <jinja2cpp/template.h>
 #include <jinja2cpp/template_env.h>
+#include <jinja2cpp/user_callable.h>
 #include <jinja2cpp/value.h>
 
 #include <QDataStream>
@@ -70,19 +71,23 @@ static jinja2::TemplateEnv *jinjaEnv()
         settings.lstripBlocks = true;
         env.AddGlobal("raise_exception", jinja2::UserCallable(
             /*callable*/ [](auto &params) -> jinja2::Value {
-                auto &message = params.args.at("message").asString();
+                auto messageArg = params.args.find("message");
-                throw std::runtime_error(fmt::format("Jinja template error: {}", message));
+                if (messageArg == params.args.end() || !messageArg->second.isString())
+                    throw std::runtime_error("'message' argument to raise_exception() must be a string");
+                throw std::runtime_error(fmt::format("Jinja template error: {}", messageArg->second.asString()));
             },
             /*argsInfo*/ { jinja2::ArgInfo("message", /*isMandatory*/ true) }
         ));
         env.AddGlobal("strftime_now", jinja2::UserCallable(
             /*callable*/ [](auto &params) -> jinja2::Value {
                 using Clock = std::chrono::system_clock;
-                auto &format = params.args.at("format").asString();
+                auto formatArg = params.args.find("format");
+                if (formatArg == params.args.end() || !formatArg->second.isString())
+                    throw std::runtime_error("'format' argument to strftime_now() must be a string");
                 time_t nowUnix = Clock::to_time_t(Clock::now());
                 auto localDate = *std::localtime(&nowUnix);
                 std::ostringstream ss;
-                ss << std::put_time(&localDate, format.c_str());
+                ss << std::put_time(&localDate, formatArg->second.asString().c_str());
                 return ss.str();
             },
             /*argsInfo*/ { jinja2::ArgInfo("format", /*isMandatory*/ true) }
@@ -923,7 +928,7 @@ auto ChatLLM::promptInternal(
         if (auto limit = nCtx - 4; lastMessageLength > limit) {
             throw std::invalid_argument(
                 tr("Your message was too long and could not be processed (%1 > %2). "
-                   "Please try again with something shorter.").arg(lastMessageLength, limit).toUtf8().constData()
+                   "Please try again with something shorter.").arg(lastMessageLength).arg(limit).toUtf8().constData()
             );
         }
     }

gpt4all-chat/src/modellist.cpp

@@ -47,8 +47,33 @@ using namespace Qt::Literals::StringLiterals;
 
 #define MODELS_JSON_VERSION "3"
 
+
 static const QStringList FILENAME_BLACKLIST { u"gpt4all-nomic-embed-text-v1.rmodel"_s };
 
+static const QString RMODEL_CHAT_TEMPLATE = uR"(<chat>
+{%- set loop_messages = messages %}
+{%- for message in loop_messages %}
+    {{- raise_exception('Unknown role: ' + messages['role']) }}
+    {{- '<' + message['role'] + '>' }}
+    {%- if message['role'] == 'user' %}
+        {%- for source in message.sources %}
+            {%- if loop.first %}
+                {{- '### Context:\n' }}
+            {%- endif %}
+            {{- 'Collection: ' + source.collection + '\n'   +
+                'Path: '       + source.path       + '\n'   +
+                'Excerpt: '    + source.text       + '\n\n' }}
+        {%- endfor %}
+    {%- endif %}
+    {%- for attachment in message.prompt_attachments %}
+        {{- attachment.processed_content + '\n\n' }}
+    {%- endfor %}
+    {{- message.content }}
+    {{- '</' + message['role'] + '>' }}
+{%- endfor %}
+</chat>)"_s;
+
+
 QString ModelInfo::id() const
 {
     return m_id;
@@ -1367,6 +1392,7 @@ void ModelList::processModelDirectory(const QString &path)
                 // The description is hard-coded into "GPT4All.ini" due to performance issue.
                 // If the description goes to be dynamic from its .rmodel file, it will get high I/O usage while using the ModelList.
                 data.append({ DescriptionRole, description });
+                data.append({ ChatTemplateRole, RMODEL_CHAT_TEMPLATE });
             }
             updateData(id, data);
         }
@@ -1655,7 +1681,8 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "GPT" },
-            { ModelList::UrlRole, "https://api.openai.com/v1/chat/completions"},
+            { ModelList::UrlRole, "https://api.openai.com/v1/chat/completions" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }
@@ -1683,7 +1710,8 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "GPT" },
-            { ModelList::UrlRole, "https://api.openai.com/v1/chat/completions"},
+            { ModelList::UrlRole, "https://api.openai.com/v1/chat/completions" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }
@@ -1714,7 +1742,8 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "Mistral" },
-            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions"},
+            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }
@@ -1739,7 +1768,8 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "Mistral" },
-            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions"},
+            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }
@@ -1765,7 +1795,8 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "Mistral" },
-            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions"},
+            { ModelList::UrlRole, "https://api.mistral.ai/v1/chat/completions" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }
@@ -1794,6 +1825,7 @@ void ModelList::parseModelsJsonFile(const QByteArray &jsonData, bool save)
             { ModelList::ParametersRole, "?" },
             { ModelList::QuantRole, "NA" },
             { ModelList::TypeRole, "NA" },
+            { ModelList::ChatTemplateRole, RMODEL_CHAT_TEMPLATE },
         };
         updateData(id, data);
     }