glossary: added '__post_init__'

chatmastermind/ais/openai.py

@@ -2,7 +2,8 @@
 Implements the OpenAI client classes and functions.
 """
 import openai
-from typing import Optional, Union
+import tiktoken
+from typing import Optional, Union, Generator
 from ..tags import Tag
 from ..message import Message, Answer
 from ..chat import Chat
@@ -12,6 +13,52 @@ from ..configuration import OpenAIConfig
 ChatType = list[dict[str, str]]
 
 
+class OpenAIAnswer:
+    def __init__(self,
+                 idx: int,
+                 streams: dict[int, 'OpenAIAnswer'],
+                 response: openai.ChatCompletion,
+                 tokens: Tokens,
+                 encoding: tiktoken.core.Encoding) -> None:
+        self.idx = idx
+        self.streams = streams
+        self.response = response
+        self.position: int = 0
+        self.encoding = encoding
+        self.data: list[str] = []
+        self.finished: bool = False
+        self.tokens = tokens
+
+    def stream(self) -> Generator[str, None, None]:
+        while True:
+            if not self.next():
+                continue
+            if len(self.data) <= self.position:
+                break
+            yield self.data[self.position]
+            self.position += 1
+
+    def next(self) -> bool:
+        if self.finished:
+            return True
+        try:
+            chunk = next(self.response)
+        except StopIteration:
+            self.finished = True
+        if not self.finished:
+            found_choice = False
+            for choice in chunk['choices']:
+                if not choice['finish_reason']:
+                    self.streams[choice['index']].data.append(choice['delta']['content'])
+                    self.tokens.completion += len(self.encoding.encode(choice['delta']['content']))
+                    self.tokens.total = self.tokens.prompt + self.tokens.completion
+                if choice['index'] == self.idx:
+                    found_choice = True
+            if not found_choice:
+                return False
+        return True
+
+
 class OpenAI(AI):
     """
     The OpenAI AI client.
@@ -21,7 +68,7 @@ class OpenAI(AI):
         self.ID = config.ID
         self.name = config.name
         self.config = config
-        openai.api_key = config.api_key
+        openai.api_key = self.config.api_key
 
     def request(self,
                 question: Message,
@@ -33,7 +80,9 @@ class OpenAI(AI):
         chat history. The nr. of requested answers corresponds to the
         nr. of messages in the 'AIResponse'.
         """
-        oai_chat = self.openai_chat(chat, self.config.system, question)
+        self.encoding = tiktoken.encoding_for_model(self.config.model)
+        oai_chat, prompt_tokens = self.openai_chat(chat, self.config.system, question)
+        tokens: Tokens = Tokens(prompt_tokens, 0, prompt_tokens)
         response = openai.ChatCompletion.create(
             model=self.config.model,
             messages=oai_chat,
@@ -41,22 +90,24 @@ class OpenAI(AI):
             max_tokens=self.config.max_tokens,
             top_p=self.config.top_p,
             n=num_answers,
+            stream=True,
             frequency_penalty=self.config.frequency_penalty,
             presence_penalty=self.config.presence_penalty)
-        question.answer = Answer(response['choices'][0]['message']['content'])
+        streams: dict[int, OpenAIAnswer] = {}
+        for n in range(num_answers):
+            streams[n] = OpenAIAnswer(n, streams, response, tokens, self.encoding)
+        question.answer = Answer(streams[0].stream())
         question.tags = set(otags) if otags is not None else None
         question.ai = self.ID
         question.model = self.config.model
         answers: list[Message] = [question]
-        for choice in response['choices'][1:]:  # type: ignore
+        for idx in range(1, num_answers):
             answers.append(Message(question=question.question,
-                                   answer=Answer(choice['message']['content']),
+                                   answer=Answer(streams[idx].stream()),
                                    tags=otags,
                                    ai=self.ID,
                                    model=self.config.model))
-        return AIResponse(answers, Tokens(response['usage']['prompt_tokens'],
-                                          response['usage']['completion_tokens'],
-                                          response['usage']['total_tokens']))
+        return AIResponse(answers, tokens)
 
     def models(self) -> list[str]:
         """
@@ -83,24 +134,26 @@ class OpenAI(AI):
             print('\nNot ready: ' + ', '.join(not_ready))
 
     def openai_chat(self, chat: Chat, system: str,
-                    question: Optional[Message] = None) -> ChatType:
+                    question: Optional[Message] = None) -> tuple[ChatType, int]:
         """
         Create a chat history with system message in OpenAI format.
         Optionally append a new question.
         """
         oai_chat: ChatType = []
+        prompt_tokens: int = 0
 
-        def append(role: str, content: str) -> None:
+        def append(role: str, content: str) -> int:
             oai_chat.append({'role': role, 'content': content.replace("''", "'")})
+            return len(self.encoding.encode(', '.join(['role:', oai_chat[-1]['role'], 'content:', oai_chat[-1]['content']])))
 
-        append('system', system)
+        prompt_tokens += append('system', system)
         for message in chat.messages:
             if message.answer:
-                append('user', message.question)
-                append('assistant', message.answer)
+                prompt_tokens += append('user', message.question)
+                prompt_tokens += append('assistant', str(message.answer))
         if question:
-            append('user', question.question)
-        return oai_chat
+            prompt_tokens += append('user', question.question)
+        return oai_chat, prompt_tokens
 
     def tokens(self, data: Union[Message, Chat]) -> int:
         raise NotImplementedError

chatmastermind/commands/common.py

@@ -0,0 +1,69 @@
+"""
+Contains shared functions for the various CMM subcommands.
+"""
+
+import argparse
+from pathlib import Path
+from ..message import Message, MessageError, source_code
+
+
+def read_text_file(file: Path) -> str:
+    with open(file) as r:
+        content = r.read().strip()
+    return content
+
+
+def add_file_as_text(question_parts: list[str], file: str) -> None:
+    """
+    Add the given file as plain text to the question part list.
+    If the file is a Message, add the answer.
+    """
+    file_path = Path(file)
+    content: str
+    try:
+        message = Message.from_file(file_path)
+        if message and message.answer:
+            content = message.answer
+    except MessageError:
+        content = read_text_file(Path(file))
+    if len(content) > 0:
+        question_parts.append(content)
+
+
+def add_file_as_code(question_parts: list[str], file: str) -> None:
+    """
+    Add all source code from the given file. If no code segments can be extracted,
+    the whole content is added as source code segment. If the file is a Message,
+    extract the source code from the answer.
+    """
+    file_path = Path(file)
+    content: str
+    try:
+        message = Message.from_file(file_path)
+        if message and message.answer:
+            content = message.answer
+    except MessageError:
+        with open(file) as r:
+            content = r.read().strip()
+    # extract and add source code
+    code_parts = source_code(content, include_delims=True)
+    if len(code_parts) > 0:
+        question_parts += code_parts
+    else:
+        question_parts.append(f"```\n{content}\n```")
+
+
+def invert_input_tag_args(args: argparse.Namespace) -> None:
+    """
+    Changes the semantics of the INPUT tags for this command:
+    * not tags specified on the CLI -> no tags are selected
+    * empty tags specified on the CLI -> all tags are selected
+    """
+    if args.or_tags is None:
+        args.or_tags = set()
+    elif len(args.or_tags) == 0:
+        args.or_tags = None
+    if args.and_tags is None:
+        args.and_tags = set()
+    elif len(args.and_tags) == 0:
+        args.and_tags = None

chatmastermind/commands/glossary.py

@@ -0,0 +1,69 @@
+import sys
+import argparse
+from pathlib import Path
+from ..configuration import Config
+from ..glossary import Glossary
+
+
+class GlossaryCmdError(Exception):
+    pass
+
+
+def get_glossary_file_path(name: str, config: Config) -> Path:
+    """
+    Get the complete filename for a glossary with the given path.
+    """
+    if not config.glossaries:
+        raise GlossaryCmdError("Can't create glossary name without a glossary directory")
+    return Path(config.glossaries, name).with_suffix(Glossary.file_suffix).absolute()
+
+
+def list_glossaries(args: argparse.Namespace, config: Config) -> None:
+    """
+    List existing glossaries in the 'glossaries' directory.
+    """
+    if not config.glossaries:
+        raise GlossaryCmdError("Glossaries directory missing in the configuration file")
+    glossaries = Path(config.glossaries).glob(f'*.{Glossary.file_suffix}')
+    for glo in glossaries:
+        print(Glossary.from_file(glo).to_str(args.entries))
+
+
+def create_glossary(args: argparse.Namespace, config: Config) -> None:
+    """
+    Create a new glossary and write it either to the glossaries directory
+    or the given file.
+    """
+    # we need to know where the glossary should be stored
+    if config.glossaries is None and args.file is None:
+        raise GlossaryCmdError("Glossaries directory missing in the configuration file")
+    # sanity checks
+    if args.name is None:
+        print("Error: please specify the glossary name.")
+        sys.exit(1)
+    if args.source_lang is None:
+        print("Error: please specify the source language.")
+        sys.exit(1)
+    if args.target_lang is None:
+        print("Error: please specify the target language.")
+        sys.exit(1)
+    # create file or use the given one
+    glo_file = Path(args.file) if args.file else get_glossary_file_path(args.name, config)
+    if glo_file.exists():
+        print(f"Error: glossary '{glo_file}' already exists!")
+        sys.exit(1)
+    glo = Glossary(name=args.name,
+                   source_lang=args.source_lang,
+                   target_lang=args.target_lang,
+                   desc=args.description,
+                   file_path=glo_file)
+    glo.to_file()
+    print(f"Successfully created new glossary '{glo_file}'.")
+
+
+def glossary_cmd(args: argparse.Namespace, config: Config) -> None:
+    """
+    Handler for the 'glossary' command.
+    """
+    if args.create:
+        create_glossary(args, config)

chatmastermind/commands/question.py

@@ -3,9 +3,10 @@ import argparse
 from pathlib import Path
 from itertools import zip_longest
 from copy import deepcopy
+from .common import invert_input_tag_args, add_file_as_code, add_file_as_text
 from ..configuration import Config
 from ..chat import ChatDB, msg_location
-from ..message import Message, MessageFilter, MessageError, Question, source_code
+from ..message import Message, MessageFilter, Question
 from ..ai_factory import create_ai
 from ..ai import AI, AIResponse
 
@@ -14,47 +15,6 @@ class QuestionCmdError(Exception):
     pass
 
 
-def add_file_as_text(question_parts: list[str], file: str) -> None:
-    """
-    Add the given file as plain text to the question part list.
-    If the file is a Message, add the answer.
-    """
-    file_path = Path(file)
-    content: str
-    try:
-        message = Message.from_file(file_path)
-        if message and message.answer:
-            content = message.answer
-    except MessageError:
-        with open(file) as r:
-            content = r.read().strip()
-    if len(content) > 0:
-        question_parts.append(content)
-
-
-def add_file_as_code(question_parts: list[str], file: str) -> None:
-    """
-    Add all source code from the given file. If no code segments can be extracted,
-    the whole content is added as source code segment. If the file is a Message,
-    extract the source code from the answer.
-    """
-    file_path = Path(file)
-    content: str
-    try:
-        message = Message.from_file(file_path)
-        if message and message.answer:
-            content = message.answer
-    except MessageError:
-        with open(file) as r:
-            content = r.read().strip()
-    # extract and add source code
-    code_parts = source_code(content, include_delims=True)
-    if len(code_parts) > 0:
-        question_parts += code_parts
-    else:
-        question_parts.append(f"```\n{content}\n```")
-
-
 def create_msg_args(msg: Message, args: argparse.Namespace) -> argparse.Namespace:
     """
     Takes an existing message and CLI arguments, and returns modified args based
@@ -101,7 +61,7 @@ def create_message(chat: ChatDB, args: argparse.Namespace) -> Message:
         if code_file is not None and len(code_file) > 0:
             add_file_as_code(question_parts, code_file)
 
-    full_question = '\n\n'.join(question_parts)
+    full_question = '\n\n'.join([str(s) for s in question_parts])
 
     message = Message(question=Question(full_question),
                       tags=args.output_tags,
@@ -129,13 +89,16 @@ def make_request(ai: AI, chat: ChatDB, message: Message, args: argparse.Namespac
                                       args.output_tags)
     # only write the response messages to the cache,
     # don't add them to the internal list
-    chat.cache_write(response.messages)
     for idx, msg in enumerate(response.messages):
-        print(f"=== ANSWER {idx+1} ===")
-        print(msg.answer)
+        print(f"=== ANSWER {idx+1} ===", flush=True)
+        if msg.answer:
+            for piece in msg.answer:
+                print(piece, end='', flush=True)
+            print()
     if response.tokens:
         print("===============")
         print(response.tokens)
+    chat.cache_write(response.messages)
 
 
 def repeat_messages(messages: list[Message], chat: ChatDB, args: argparse.Namespace, config: Config) -> None:
@@ -160,22 +123,6 @@ def repeat_messages(messages: list[Message], chat: ChatDB, args: argparse.Namesp
             make_request(ai, chat, message, msg_args)
 
 
-def invert_input_tag_args(args: argparse.Namespace) -> None:
-    """
-    Changes the semantics of the INPUT tags for this command:
-    * not tags specified on the CLI -> no tags are selected
-    * empty tags specified on the CLI -> all tags are selected
-    """
-    if args.or_tags is None:
-        args.or_tags = set()
-    elif len(args.or_tags) == 0:
-        args.or_tags = None
-    if args.and_tags is None:
-        args.and_tags = set()
-    elif len(args.and_tags) == 0:
-        args.and_tags = None
-
-
 def question_cmd(args: argparse.Namespace, config: Config) -> None:
     """
     Handler for the 'question' command.

chatmastermind/commands/translation.py

@@ -0,0 +1,105 @@
+import argparse
+import mimetypes
+from pathlib import Path
+from .common import invert_input_tag_args, read_text_file
+from ..configuration import Config
+from ..message import MessageFilter, Message, Question
+from ..chat import ChatDB, msg_location
+
+
+class TranslationCmdError(Exception):
+    pass
+
+
+text_separator: str = 'TEXT:'
+
+
+def assert_document_type_supported_openai(document_file: Path) -> None:
+    doctype = mimetypes.guess_type(document_file)
+    if doctype != 'text/plain':
+        raise TranslationCmdError("AI 'OpenAI' only supports document type 'text/plain''")
+
+
+def translation_prompt_openai(source_lang: str, target_lang: str) -> str:
+    """
+    Return the prompt for GPT that tells it to do the translation.
+    """
+    return f"Translate the text below the line {text_separator} from {source_lang} to {target_lang}."
+
+
+def create_message_openai(chat: ChatDB, args: argparse.Namespace) -> Message:
+    """
+    Create a new message from the given arguments and write it to the cache directory.
+
+    Message format
+    1. Translation prompt (tells GPT to do a translation)
+    2. Glossary (if specified as an argument)
+    3. User provided prompt enhancements
+    4. Translation separator
+    5. User provided text to be translated
+
+    The text to be translated is determined as a follows:
+    - if a document is provided in the arguments, translate its content
+    - if no document is provided, translate the last text argument
+
+    The other text arguments will be put into the "header" and can be used
+    to improve the translation prompt.
+    """
+    text_args: list[str] = []
+    if args.create is not None:
+        text_args = args.create
+    elif args.ask is not None:
+        text_args = args.ask
+    else:
+        raise TranslationCmdError("No input text found")
+
+    # extract user prompt and user text to be translated
+    user_text: str
+    user_prompt: str
+    if args.input_document is not None:
+        assert_document_type_supported_openai(Path(args.input_document))
+        user_text = read_text_file(Path(args.input_document))
+        user_prompt = '\n\n'.join([str(s) for s in text_args])
+    else:
+        user_text = text_args[-1]
+        user_prompt = '\n\n'.join([str(s) for s in text_args[:-1]])
+
+    # build full question string
+    # FIXME: add glossaries if given
+    question_text: str = '\n\n'.join([translation_prompt_openai(args.source_lang, args.target_lang),
+                                      user_prompt,
+                                      text_separator,
+                                      user_text])
+    # create and write the message
+    message = Message(question=Question(question_text),
+                      tags=args.output_tags,
+                      ai=args.AI,
+                      model=args.model)
+    # only write the new message to the cache,
+    # don't add it to the internal list
+    chat.cache_write([message])
+    return message
+
+
+def translation_cmd(args: argparse.Namespace, config: Config) -> None:
+    """
+    Handler for the 'translation' command. Creates and executes translation
+    requests based on the input and selected AI. Depending on the AI, the
+    whole process may be significantly different (e.g. DeepL vs OpenAI).
+    """
+    invert_input_tag_args(args)
+    mfilter = MessageFilter(tags_or=args.or_tags,
+                            tags_and=args.and_tags,
+                            tags_not=args.exclude_tags)
+    chat = ChatDB.from_dir(cache_path=Path(config.cache),
+                           db_path=Path(config.db),
+                           mfilter=mfilter,
+                           glob=args.glob,
+                           loc=msg_location(args.location))
+    # if it's a new translation, create and store it immediately
+    # FIXME: check AI type
+    if args.ask or args.create:
+        # message = create_message(chat, args)
+        create_message_openai(chat, args)
+    if args.create:
+        return

chatmastermind/configuration.py

@@ -118,6 +118,7 @@ class Config:
     # a default configuration
     cache: str = '.'
     db: str = './db/'
+    glossaries: str | None = './glossaries/'
     ais: dict[str, AIConfig] = field(default_factory=create_default_ai_configs)
 
     @classmethod
@@ -135,7 +136,8 @@ class Config:
         return cls(
             cache=str(source['cache']) if 'cache' in source else '.',
             db=str(source['db']),
-            ais=ais
+            ais=ais,
+            glossaries=str(source['glossaries']) if 'glossaries' in source else None
         )
 
     @classmethod

chatmastermind/glossary.py

@@ -0,0 +1,165 @@
+"""
+Module implementing glossaries for translations.
+"""
+import yaml
+import tempfile
+import shutil
+import csv
+from pathlib import Path
+from dataclasses import dataclass, field
+from typing import Type, TypeVar, ClassVar
+
+GlossaryInst = TypeVar('GlossaryInst', bound='Glossary')
+
+
+class GlossaryError(Exception):
+    pass
+
+
+def str_presenter(dumper: yaml.Dumper, data: str) -> yaml.ScalarNode:
+    """
+    Changes the YAML dump style to multiline syntax for multiline strings.
+    """
+    if len(data.splitlines()) > 1:
+        return dumper.represent_scalar('tag:yaml.org,2002:str', data, style='|')
+    return dumper.represent_scalar('tag:yaml.org,2002:str', data)
+
+
+@dataclass
+class Glossary:
+    """
+    A glossary consists of the following parameters:
+        - Name (freely selectable)
+        - Path (full file path, suffix is automatically generated)
+        - Source language
+        - Target language
+        - Description (optional)
+        - Entries (pairs of source lang and target lang terms)
+        - ID (automatically generated / modified, required by DeepL)
+    """
+
+    name: str
+    source_lang: str
+    target_lang: str
+    file_path: Path | None = None
+    desc: str | None = None
+    entries: dict[str, str] = field(default_factory=lambda: dict())
+    ID: str | None = None
+    file_suffix: ClassVar[str] = '.glo'
+
+    def __post_init__(self) -> None:
+        # FIXME: check for valid languages
+        pass
+
+    @classmethod
+    def from_file(cls: Type[GlossaryInst], file_path: Path) -> GlossaryInst:
+        """
+        Create a glossary from the given file.
+        """
+        if not file_path.exists():
+            raise GlossaryError(f"Glossary file '{file_path}' does not exist")
+        if file_path.suffix != cls.file_suffix:
+            raise GlossaryError(f"File type '{file_path.suffix}' is not supported")
+        with open(file_path, "r") as fd:
+            try:
+                # use BaseLoader so every entry is read as a string
+                # - disables automatic conversions
+                # - makes it possible to omit quoting for YAML keywords in entries (e. g. 'yes')
+                # - also correctly reads quoted entries
+                data = yaml.load(fd, Loader=yaml.BaseLoader)
+                clean_entries = data['Entries']
+                return cls(name=data['Name'],
+                           source_lang=data['SourceLang'],
+                           target_lang=data['TargetLang'],
+                           file_path=file_path,
+                           desc=data['Description'],
+                           entries=clean_entries,
+                           ID=data['ID'] if data['ID'] != 'None' else None)
+            except Exception:
+                raise GlossaryError(f"'{file_path}' does not contain a valid glossary")
+
+    def to_file(self, file_path: Path | None = None) -> None:
+        """
+        Write glossary to given file.
+        """
+        if file_path:
+            self.file_path = file_path
+        if not self.file_path:
+            raise GlossaryError("Got no valid path to write glossary")
+        # check / add valid suffix
+        if not self.file_path.suffix:
+            self.file_path = self.file_path.with_suffix(self.file_suffix)
+        elif self.file_path.suffix != self.file_suffix:
+            raise GlossaryError(f"File suffix '{self.file_path.suffix}' is not supported")
+        # write YAML
+        with tempfile.NamedTemporaryFile(dir=self.file_path.parent, prefix=self.file_path.name, mode="w", delete=False) as temp_fd:
+            temp_file_path = Path(temp_fd.name)
+            data = {'Name': self.name,
+                    'Description': self.desc,
+                    'ID': str(self.ID),
+                    'SourceLang': self.source_lang,
+                    'TargetLang': self.target_lang,
+                    'Entries': self.entries}
+            yaml.dump(data, temp_fd, sort_keys=False)
+        shutil.move(temp_file_path, self.file_path)
+
+    def export_csv(self, dictionary: dict[str, str], file_path: Path) -> None:
+        """
+        Export the 'entries' of this glossary to a file in CSV format (compatible with DeepL).
+        """
+        with open(file_path, 'w', newline='', encoding='utf-8') as csvfile:
+            writer = csv.writer(csvfile, delimiter=',', quotechar='"', quoting=csv.QUOTE_ALL)
+            for source_entry, target_entry in self.entries.items():
+                writer.writerow([source_entry, target_entry])
+
+    def export_tsv(self, entries: dict[str, str], file_path: Path) -> None:
+        """
+        Export the 'entries' of this glossary to a file in TSV format (compatible with DeepL).
+        """
+        with open(file_path, 'w', encoding='utf-8') as file:
+            for source_entry, target_entry in self.entries.items():
+                file.write(f"{source_entry}\t{target_entry}\n")
+
+    def import_csv(self, file_path: Path) -> None:
+        """
+        Import the entries from the given CSV file to those of the current glossary.
+        Existing entries are overwritten.
+        """
+        try:
+            with open(file_path, mode='r', encoding='utf-8') as csvfile:
+                reader = csv.reader(csvfile, delimiter=',', quotechar='"')
+                self.entries = {rows[0]: rows[1] for rows in reader if len(rows) >= 2}
+        except Exception as e:
+            raise GlossaryError(f"Error importing CSV: {e}")
+
+    def import_tsv(self, file_path: Path) -> None:
+        """
+        Import the entries from the given CSV file to those of the current glossary.
+        Existing entries are overwritten.
+        """
+        try:
+            with open(file_path, mode='r', encoding='utf-8') as tsvfile:
+                self.entries = {}
+                for line in tsvfile:
+                    parts = line.strip().split('\t')
+                    if len(parts) == 2:
+                        self.entries[parts[0]] = parts[1]
+        except Exception as e:
+            raise GlossaryError(f"Error importing TSV: {e}")
+
+    def to_str(self, with_entries: bool = False) -> str:
+        """
+        Return the current glossary as a string.
+        """
+        output: list[str] = []
+        output.append(f'{self.name} (ID: {self.ID}):')
+        if self.desc:
+            output.append('- ' + self.desc)
+        output.append(f'- Languages: {self.source_lang} -> {self.target_lang}')
+        if with_entries:
+            output.append('- Entries:')
+            for source, target in self.entries.items():
+                output.append(f'  {source} : {target}')
+        else:
+            output.append(f'- Entries: {len(self.entries)}')
+        return '\n'.join(output)

chatmastermind/main.py

@@ -3,6 +3,7 @@
 # vim: set fileencoding=utf-8 :
 
 import sys
+import os
 import argcomplete
 import argparse
 from pathlib import Path
@@ -14,6 +15,8 @@ from .commands.tags import tags_cmd
 from .commands.config import config_cmd
 from .commands.hist import hist_cmd
 from .commands.print import print_cmd
+from .commands.translation import translation_cmd
+from .commands.glossary import glossary_cmd
 from .chat import msg_location
 
 
@@ -102,7 +105,7 @@ def create_parser() -> argparse.ArgumentParser:
     # 'tags' command parser
     tags_cmd_parser = cmdparser.add_parser('tags',
                                            help="Manage tags.",
-                                           aliases=['t'])
+                                           aliases=['T'])
     tags_cmd_parser.set_defaults(func=tags_cmd)
     tags_group = tags_cmd_parser.add_mutually_exclusive_group(required=True)
     tags_group.add_argument('-l', '--list', help="List all tags and their frequency",
@@ -136,10 +139,80 @@ def create_parser() -> argparse.ArgumentParser:
     print_cmd_modes.add_argument('-a', '--answer', help='Only print the answer', action='store_true')
     print_cmd_modes.add_argument('-S', '--only-source-code', help='Only print embedded source code', action='store_true')
 
+    # 'translation' command parser
+    translation_cmd_parser = cmdparser.add_parser('translation', parents=[ai_parser, tag_parser],
+                                                  help="Ask, create and repeat translations.",
+                                                  aliases=['t'])
+    translation_cmd_parser.set_defaults(func=translation_cmd)
+    translation_group = translation_cmd_parser.add_mutually_exclusive_group(required=True)
+    translation_group.add_argument('-a', '--ask', nargs='+', help='Ask to translate the given text', metavar='TEXT')
+    translation_group.add_argument('-c', '--create', nargs='+', help='Create a translation', metavar='TEXT')
+    translation_group.add_argument('-r', '--repeat', nargs='*', help='Repeat a translation', metavar='MESSAGE')
+    translation_cmd_parser.add_argument('-S', '--source-lang', help="Source language", metavar="LANGUAGE", required=True)
+    translation_cmd_parser.add_argument('-T', '--target-lang', help="Target language", metavar="LANGUAGE", required=True)
+    translation_cmd_parser.add_argument('-G', '--glossaries', nargs='+', help="List of glossary names", metavar="GLOSSARY")
+    translation_cmd_parser.add_argument('-d', '--input-document', help="Document to translate", metavar="FILE")
+    translation_cmd_parser.add_argument('-D', '--output-document', help="Path for the translated document", metavar="FILE")
+
+    # 'glossary' command parser
+    glossary_cmd_parser = cmdparser.add_parser('glossary', parents=[ai_parser],
+                                               help="Manage glossaries.",
+                                               aliases=['g'])
+    glossary_cmd_parser.set_defaults(func=glossary_cmd)
+    glossary_group = glossary_cmd_parser.add_mutually_exclusive_group(required=True)
+    glossary_group.add_argument('-c', '--create', help='Create a glossary', action='store_true')
+    glossary_cmd_parser.add_argument('-n', '--name', help="Glossary name (not ID)", metavar="NAME")
+    glossary_cmd_parser.add_argument('-S', '--source-lang', help="Source language", metavar="LANGUAGE")
+    glossary_cmd_parser.add_argument('-T', '--target-lang', help="Target language", metavar="LANGUAGE")
+    glossary_cmd_parser.add_argument('-f', '--file', help='File path of the goven glossary', metavar='GLOSSARY_FILE')
+    glossary_cmd_parser.add_argument('-D', '--description', help="Glossary description", metavar="DESCRIPTION")
+    glossary_group.add_argument('-l', '--list', help='List existing glossaries', action='store_true')
+    glossary_cmd_parser.add_argument('-E', '--entries', help="Print entries when listing glossaries", action='store_true')
+
     argcomplete.autocomplete(parser)
     return parser
 
 
+def create_directories(config: Config) -> None:  # noqa: 11
+    """
+    Create the directories in the given configuration if they don't exist.
+    """
+    def make_dir(path: Path) -> None:
+        try:
+            os.makedirs(path.absolute())
+        except Exception as e:
+            print(f"Creating directory '{path.absolute()}' failed with: {e}")
+            sys.exit(1)
+    # Cache
+    cache_path = Path(config.cache)
+    if not cache_path.exists():
+        answer = input(f"Cache directory '{cache_path}' does not exist. Create it? [y/n]")
+        if answer.lower() in ['y', 'yes']:
+            make_dir(cache_path.absolute())
+        else:
+            print("Can't continue without a valid cache directory!")
+            sys.exit(1)
+    # DB
+    db_path = Path(config.db)
+    if not db_path.exists():
+        answer = input(f"DB directory '{db_path}' does not exist. Create it? [y/n]")
+        if answer.lower() in ['y', 'yes']:
+            make_dir(db_path.absolute())
+        else:
+            print("Can't continue without a valid DB directory!")
+            sys.exit(1)
+    # Glossaries
+    if config.glossaries:
+        glossaries_path = Path(config.glossaries)
+        if not glossaries_path.exists():
+            answer = input(f"Glossaries directory '{glossaries_path}' does not exist. Create it? [y/n]")
+            if answer.lower() in ['y', 'yes']:
+                make_dir(glossaries_path.absolute())
+            else:
+                print("Can't continue without a valid glossaries directory. Create it or remove it from the configuration.")
+                sys.exit(1)
+
+
 def main() -> int:
     parser = create_parser()
     args = parser.parse_args()
@@ -149,6 +222,7 @@ def main() -> int:
         command.func(command)
     else:
         config = Config.from_file(args.config)
+        create_directories(config)
         command.func(command, config)
 
     return 0

chatmastermind/message.py

@@ -5,7 +5,9 @@ import pathlib
 import yaml
 import tempfile
 import shutil
+import io
 from typing import Type, TypeVar, ClassVar, Optional, Any, Union, Final, Literal, Iterable, Tuple
+from typing import Generator, Iterator
 from typing import get_args as typing_get_args
 from dataclasses import dataclass, asdict, field
 from .tags import Tag, TagLine, TagError, match_tags, rename_tags
@@ -49,7 +51,7 @@ def source_code(text: str, include_delims: bool = False) -> list[str]:
     code_lines: list[str] = []
     in_code_block = False
 
-    for line in text.split('\n'):
+    for line in str(text).split('\n'):
         if line.strip().startswith('```'):
             if include_delims:
                 code_lines.append(line)
@@ -142,30 +144,100 @@ class Answer(str):
     txt_header: ClassVar[str] = '==== ANSWER ===='
     yaml_key: ClassVar[str] = 'answer'
 
-    def __new__(cls: Type[AnswerInst], string: str) -> AnswerInst:
+    def __init__(self, data: Union[str, Generator[str, None, None]]) -> None:
+        # Indicator of whether all of data has been processed
+        self.is_exhausted: bool = False
+
+        # Initialize data
+        self.iterator: Iterator[str] = self._init_data(data)
+
+        # Set up the buffer to hold the 'Answer' content
+        self.buffer: io.StringIO = io.StringIO()
+
+    def _init_data(self, data: Union[str, Generator[str, None, None]]) -> Iterator[str]:
         """
-        Make sure the answer string does not contain the header as a whole line.
+        Process input data (either a string or a string generator)
         """
-        if cls.txt_header in string.split('\n'):
-            raise MessageError(f"Answer '{string}' contains the header '{cls.txt_header}'")
-        instance = super().__new__(cls, string)
-        return instance
+        if isinstance(data, str):
+            yield data
+        else:
+            yield from data
+
+    def __str__(self) -> str:
+        """
+        Output all content when converted into a string
+        """
+        # Ensure all data has been processed
+        for _ in self:
+            pass
+        # Return the 'Answer' content
+        return self.buffer.getvalue()
+
+    def __repr__(self) -> str:
+        return repr(str(self))
+
+    def __iter__(self) -> Generator[str, None, None]:
+        """
+        Allows the object to be iterable
+        """
+        # Generate content if not all data has been processed
+        if not self.is_exhausted:
+            yield from self.generator_iter()
+        else:
+            yield self.buffer.getvalue()
+
+    def generator_iter(self) -> Generator[str, None, None]:
+        """
+        Main generator method to process data
+        """
+        for piece in self.iterator:
+            # Write to buffer and yield piece for the iterator
+            self.buffer.write(piece)
+            yield piece
+        self.is_exhausted = True  # Set the flag that all data has been processed
+        # If the header occurs in the 'Answer' content, raise an error
+        if f'\n{self.txt_header}' in self.buffer.getvalue() or self.buffer.getvalue().startswith(self.txt_header):
+            raise MessageError(f"Answer {repr(self.buffer.getvalue())} contains the header {repr(Answer.txt_header)}")
+
+    def __eq__(self, other: object) -> bool:
+        """
+        Comparing the object to a string or another object
+        """
+        if isinstance(other, str):
+            return str(self) == other  # Compare the string value of this object to the other string
+        # Default behavior for comparing non-string objects
+        return super().__eq__(other)
+
+    def __hash__(self) -> int:
+        """
+        Generate a hash for the object based on its string representation.
+        """
+        return hash(str(self))
+
+    def __format__(self, format_spec: str) -> str:
+        """
+        Return a formatted version of the string as per the format specification.
+        """
+        return str(self).__format__(format_spec)
 
     @classmethod
     def from_list(cls: Type[AnswerInst], strings: list[str]) -> AnswerInst:
         """
-        Build Question from a list of strings. Make sure strings do not contain the header.
+        Build Answer from a list of strings. Make sure strings do not contain the header.
         """
-        if cls.txt_header in strings:
-            raise MessageError(f"Question contains the header '{cls.txt_header}'")
-        instance = super().__new__(cls, '\n'.join(strings).strip())
-        return instance
+        def _gen() -> Generator[str, None, None]:
+            if len(strings) > 0:
+                yield strings[0]
+                for s in strings[1:]:
+                    yield '\n'
+                    yield s
+        return cls(_gen())
 
     def source_code(self, include_delims: bool = False) -> list[str]:
         """
         Extract and return all source code sections.
         """
-        return source_code(self, include_delims)
+        return source_code(str(self), include_delims)
 
 
 class Question(str):
@@ -441,7 +513,7 @@ class Message():
         output.append(self.question)
         if self.answer:
             output.append(Answer.txt_header)
-            output.append(self.answer)
+            output.append(str(self.answer))
         return '\n'.join(output)
 
     def to_file(self, file_path: Optional[pathlib.Path]=None, mformat: MessageFormat = message_default_format) -> None:  # noqa: 11
@@ -491,7 +563,7 @@ class Message():
                 temp_fd.write(f'{ModelLine.from_model(self.model)}\n')
             temp_fd.write(f'{Question.txt_header}\n{self.question}\n')
             if self.answer:
-                temp_fd.write(f'{Answer.txt_header}\n{self.answer}\n')
+                temp_fd.write(f'{Answer.txt_header}\n{str(self.answer)}\n')
         shutil.move(temp_file_path, file_path)
 
     def __to_file_yaml(self, file_path: pathlib.Path) -> None:
@@ -560,7 +632,7 @@ class Message():
            or (mfilter.ai and (not self.ai or mfilter.ai != self.ai))  # noqa: W503
            or (mfilter.model and (not self.model or mfilter.model != self.model))  # noqa: W503
            or (mfilter.question_contains and mfilter.question_contains not in self.question)  # noqa: W503
-           or (mfilter.answer_contains and (not self.answer or mfilter.answer_contains not in self.answer))  # noqa: W503
+           or (mfilter.answer_contains and (not self.answer or mfilter.answer_contains not in str(self.answer)))  # noqa: W503
            or (mfilter.answer_state == 'available' and not self.answer)  # noqa: W503
            or (mfilter.ai_state == 'available' and not self.ai)  # noqa: W503
            or (mfilter.model_state == 'available' and not self.model)  # noqa: W503

requirements.txt

@@ -2,3 +2,4 @@ openai
 PyYAML
 argcomplete
 pytest
+tiktoken

tests/test_ais_openai.py

@@ -16,26 +16,37 @@ class OpenAITest(unittest.TestCase):
         openai = OpenAI(config)
 
         # Set up the mock response from openai.ChatCompletion.create
-        mock_response = {
+        mock_chunk1 = {
             'choices': [
                 {
-                    'message': {
+                    'index': 0,
+                    'delta': {
                         'content': 'Answer 1'
-                    }
+                    },
+                    'finish_reason': None
                 },
                 {
-                    'message': {
+                    'index': 1,
+                    'delta': {
                         'content': 'Answer 2'
-                    }
+                    },
+                    'finish_reason': None
                 }
             ],
-            'usage': {
-                'prompt_tokens': 10,
-                'completion_tokens': 20,
-                'total_tokens': 30
-            }
         }
-        mock_create.return_value = mock_response
+        mock_chunk2 = {
+            'choices': [
+                {
+                    'index': 0,
+                    'finish_reason': 'stop'
+                },
+                {
+                    'index': 1,
+                    'finish_reason': 'stop'
+                }
+            ],
+        }
+        mock_create.return_value = iter([mock_chunk1, mock_chunk2])
 
         # Create test data
         question = Message(Question('Question'))
@@ -57,9 +68,9 @@ class OpenAITest(unittest.TestCase):
         self.assertIsNotNone(response.tokens)
         self.assertIsInstance(response.tokens, Tokens)
         assert response.tokens
-        self.assertEqual(response.tokens.prompt, 10)
-        self.assertEqual(response.tokens.completion, 20)
-        self.assertEqual(response.tokens.total, 30)
+        self.assertEqual(response.tokens.prompt, 53)
+        self.assertEqual(response.tokens.completion, 6)
+        self.assertEqual(response.tokens.total, 59)
 
         # Assert the mock call to openai.ChatCompletion.create
         mock_create.assert_called_once_with(
@@ -76,6 +87,7 @@ class OpenAITest(unittest.TestCase):
             max_tokens=config.max_tokens,
             top_p=config.top_p,
             n=2,
+            stream=True,
             frequency_penalty=config.frequency_penalty,
             presence_penalty=config.presence_penalty
         )

tests/test_configuration.py

@@ -71,11 +71,13 @@ class TestConfig(unittest.TestCase):
                     'frequency_penalty': 0.7,
                     'presence_penalty': 0.2
                 }
-            }
+            },
+            'glossaries': './glossaries/'
         }
         config = Config.from_dict(source_dict)
         self.assertEqual(config.cache, '.')
         self.assertEqual(config.db, './test_db/')
+        self.assertEqual(config.glossaries, './glossaries/')
         self.assertEqual(len(config.ais), 1)
         self.assertEqual(config.ais['myopenai'].name, 'openai')
         self.assertEqual(cast(OpenAIConfig, config.ais['myopenai']).system, 'Custom system')
@@ -105,6 +107,7 @@ class TestConfig(unittest.TestCase):
                     'frequency_penalty': 0.7,
                     'presence_penalty': 0.2
                 }
+                # omit glossaries, since it's optional
             }
         }
         with open(self.test_file.name, 'w') as f:
@@ -113,6 +116,8 @@ class TestConfig(unittest.TestCase):
         self.assertIsInstance(config, Config)
         self.assertEqual(config.cache, './test_cache/')
         self.assertEqual(config.db, './test_db/')
+        # missing 'glossaries' should result in 'None'
+        self.assertEqual(config.glossaries, None)
         self.assertEqual(len(config.ais), 1)
         self.assertIsInstance(config.ais['default'], AIConfig)
         self.assertEqual(cast(OpenAIConfig, config.ais['default']).system, 'Custom system')

tests/test_glossary.py

@@ -0,0 +1,204 @@
+import unittest
+import tempfile
+from pathlib import Path
+from chatmastermind.glossary import Glossary, GlossaryError
+
+
+glossary_suffix: str = Glossary.file_suffix
+
+
+class TestGlossary(unittest.TestCase):
+
+    def test_from_file_yaml_unquoted(self) -> None:
+        """
+        Test glossary creatiom from YAML with unquoted entries.
+        """
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as yaml_file:
+            yaml_file.write("Name: Sample\n"
+                            "Description: A brief description\n"
+                            "ID: '123'\n"
+                            "SourceLang: en\n"
+                            "TargetLang: es\n"
+                            "Entries:\n"
+                            "  hello: hola\n"
+                            "  goodbye: adiós\n"
+                            # 'yes' is a YAML keyword and would normally be quoted
+                            "  yes: sí\n"
+                            "  I'm going home: me voy a casa\n")
+            yaml_file_path = Path(yaml_file.name)
+
+        glossary = Glossary.from_file(yaml_file_path)
+        self.assertEqual(glossary.name, "Sample")
+        self.assertEqual(glossary.desc, "A brief description")
+        self.assertEqual(glossary.ID, "123")
+        self.assertEqual(glossary.source_lang, "en")
+        self.assertEqual(glossary.target_lang, "es")
+        self.assertEqual(glossary.entries, {"hello": "hola",
+                                            "goodbye": "adiós",
+                                            "yes": "sí",
+                                            "I'm going home": "me voy a casa"})
+        yaml_file_path.unlink()  # Remove the temporary file
+
+    def test_from_file_yaml_quoted(self) -> None:
+        """
+        Test glossary creatiom from YAML with quoted entries.
+        """
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as yaml_file:
+            yaml_file.write("Name: Sample\n"
+                            "Description: A brief description\n"
+                            "ID: '123'\n"
+                            "SourceLang: en\n"
+                            "TargetLang: es\n"
+                            "Entries:\n"
+                            "  'hello': 'hola'\n"
+                            "  'goodbye': 'adiós'\n"
+                            "  'yes': 'sí'\n"
+                            "  \"I'm going home\": 'me voy a casa'\n")
+            yaml_file_path = Path(yaml_file.name)
+
+        glossary = Glossary.from_file(yaml_file_path)
+        self.assertEqual(glossary.name, "Sample")
+        self.assertEqual(glossary.desc, "A brief description")
+        self.assertEqual(glossary.ID, "123")
+        self.assertEqual(glossary.source_lang, "en")
+        self.assertEqual(glossary.target_lang, "es")
+        self.assertEqual(glossary.entries, {"hello": "hola",
+                                            "goodbye": "adiós",
+                                            "yes": "sí",
+                                            "I'm going home": "me voy a casa"})
+        yaml_file_path.unlink()  # Remove the temporary file
+
+    def test_to_file_writes_yaml(self) -> None:
+        # Create glossary instance
+        glossary = Glossary(name="Test",
+                            desc="Test description",
+                            ID="666",
+                            source_lang="en",
+                            target_lang="fr",
+                            entries={"yes": "oui"})
+
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as tmp_file:
+            file_path = Path(tmp_file.name)
+            glossary.to_file(file_path)
+
+        with open(file_path, 'r') as file:
+            content = file.read()
+
+        self.assertIn("Name: Test", content)
+        self.assertIn("Description: Test description", content)
+        self.assertIn("ID: '666'", content)
+        self.assertIn("SourceLang: en", content)
+        self.assertIn("TargetLang: fr", content)
+        self.assertIn("Entries", content)
+        # 'yes' is a YAML keyword and therefore quoted
+        self.assertIn("'yes': oui", content)
+        file_path.unlink()  # Remove the temporary file
+
+    def test_write_read_glossary(self) -> None:
+        # Create glossary instance
+        # -> use 'yes' in order to test if the YAML quoting is correctly removed when reading the file
+        glossary_write = Glossary(name="Test", source_lang="en", target_lang="fr", entries={"yes": "oui"})
+
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as tmp_file:
+            file_path = Path(tmp_file.name)
+            glossary_write.to_file(file_path)
+
+        # create new instance from glossary file
+        glossary_read = Glossary.from_file(file_path)
+        self.assertEqual(glossary_write.name, glossary_read.name)
+        self.assertEqual(glossary_write.source_lang, glossary_read.source_lang)
+        self.assertEqual(glossary_write.target_lang, glossary_read.target_lang)
+        self.assertDictEqual(glossary_write.entries, glossary_read.entries)
+
+        file_path.unlink()  # Remove the temporary file
+
+    def test_import_export_csv(self) -> None:
+        glossary = Glossary(name="Test", source_lang="en", target_lang="fr", entries={})
+
+        # First export to CSV
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as csvfile:
+            csv_file_path = Path(csvfile.name)
+        glossary.entries = {"hello": "salut", "goodbye": "au revoir"}
+        glossary.export_csv(glossary.entries, csv_file_path)
+
+        # Now import CSV
+        glossary.import_csv(csv_file_path)
+        self.assertEqual(glossary.entries, {"hello": "salut", "goodbye": "au revoir"})
+        csv_file_path.unlink()  # Remove the temporary file
+
+    def test_import_export_tsv(self) -> None:
+        glossary = Glossary(name="Test", source_lang="en", target_lang="fr", entries={})
+
+        # First export to TSV
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix=glossary_suffix) as tsvfile:
+            tsv_file_path = Path(tsvfile.name)
+        glossary.entries = {"hello": "salut", "goodbye": "au revoir"}
+        glossary.export_tsv(glossary.entries, tsv_file_path)
+
+        # Now import TSV
+        glossary.import_tsv(tsv_file_path)
+        self.assertEqual(glossary.entries, {"hello": "salut", "goodbye": "au revoir"})
+        tsv_file_path.unlink()  # Remove the temporary file
+
+    def test_to_file_wrong_suffix(self) -> None:
+        """
+        Test for exception if suffix is wrong.
+        """
+        glossary = Glossary(name="Test", source_lang="en", target_lang="fr", entries={"yes": "oui"})
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix='.wrong') as tmp_file:
+            file_path = Path(tmp_file.name)
+            with self.assertRaises(GlossaryError) as err:
+                glossary.to_file(file_path)
+                self.assertEqual(str(err.exception), "File suffix '.wrong' is not supported")
+
+    def test_to_file_auto_suffix(self) -> None:
+        """
+        Test if suffix is auto-generated if omitted.
+        """
+        glossary = Glossary(name="Test", source_lang="en", target_lang="fr", entries={"yes": "oui"})
+        with tempfile.NamedTemporaryFile('w', delete=False, suffix='') as tmp_file:
+            file_path = Path(tmp_file.name)
+            glossary.to_file(file_path)
+        assert glossary.file_path is not None
+        self.assertEqual(glossary.file_path.suffix, glossary_suffix)
+
+    def test_to_str_with_id(self) -> None:
+        # Create a Glossary instance with an ID
+        glossary_with_id = Glossary(name="TestGlossary", source_lang="en", target_lang="fr",
+                                    desc="A simple test glossary", ID="1001", entries={"one": "un"})
+        glossary_str = glossary_with_id.to_str()
+        self.assertIn("TestGlossary (ID: 1001):", glossary_str)
+        self.assertIn("- A simple test glossary", glossary_str)
+        self.assertIn("- Languages: en -> fr", glossary_str)
+        self.assertIn("- Entries: 1", glossary_str)
+
+    def test_to_str_with_id_and_entries(self) -> None:
+        # Create a Glossary instance with an ID and include entries
+        glossary_with_entries = Glossary(name="TestGlossaryWithEntries", source_lang="en", target_lang="fr",
+                                         desc="Another test glossary", ID="2002",
+                                         entries={"hello": "salut", "goodbye": "au revoir"})
+        glossary_str_with_entries = glossary_with_entries.to_str(with_entries=True)
+        self.assertIn("TestGlossaryWithEntries (ID: 2002):", glossary_str_with_entries)
+        self.assertIn("- Entries:", glossary_str_with_entries)
+        self.assertIn("  hello : salut", glossary_str_with_entries)
+        self.assertIn("  goodbye : au revoir", glossary_str_with_entries)
+
+    def test_to_str_without_id(self) -> None:
+        # Create a Glossary instance without an ID
+        glossary_without_id = Glossary(name="TestGlossaryNoID", source_lang="en", target_lang="fr",
+                                       desc="A test glossary without an ID", ID=None, entries={"yes": "oui"})
+        glossary_str_no_id = glossary_without_id.to_str()
+        self.assertIn("TestGlossaryNoID (ID: None):", glossary_str_no_id)
+        self.assertIn("- A test glossary without an ID", glossary_str_no_id)
+        self.assertIn("- Languages: en -> fr", glossary_str_no_id)
+        self.assertIn("- Entries: 1", glossary_str_no_id)
+
+    def test_to_str_without_id_and_no_entries(self) -> None:
+        # Create a Glossary instance without an ID and no entries
+        glossary_no_id_no_entries = Glossary(name="EmptyGlossary", source_lang="en", target_lang="fr",
+                                             desc="An empty test glossary", ID=None, entries={})
+        glossary_str_no_id_no_entries = glossary_no_id_no_entries.to_str()
+        self.assertIn("EmptyGlossary (ID: None):", glossary_str_no_id_no_entries)
+        self.assertIn("- An empty test glossary", glossary_str_no_id_no_entries)
+        self.assertIn("- Languages: en -> fr", glossary_str_no_id_no_entries)
+        self.assertIn("- Entries: 0", glossary_str_no_id_no_entries)

tests/test_glossary_cmd.py

@@ -0,0 +1,37 @@
+import unittest
+import argparse
+import tempfile
+from chatmastermind.configuration import Config
+from chatmastermind.commands.glossary import glossary_cmd, GlossaryCmdError
+
+
+class TestGlossaryCmd(unittest.TestCase):
+
+    def setUp(self) -> None:
+        # create DB and cache
+        self.db_dir = tempfile.TemporaryDirectory()
+        self.cache_dir = tempfile.TemporaryDirectory()
+        self.glossaries_dir = tempfile.TemporaryDirectory()
+        # create configuration
+        self.config = Config()
+        self.config.cache = self.cache_dir.name
+        self.config.db = self.db_dir.name
+        self.config.glossaries = self.glossaries_dir.name
+        # create a mock argparse.Namespace
+        self.args = argparse.Namespace(
+            create=True,
+            list=False,
+            name='new_glossary',
+            file=None,
+            source_lang='en',
+            target_lang='de',
+        )
+
+    def test_glossary_cmd_no_glossaries_err(self) -> None:
+        """
+        Test calling the glossary command without a glossaries directory.
+        """
+        self.config.glossaries = None
+        with self.assertRaises(GlossaryCmdError) as err:
+            glossary_cmd(self.args, self.config)
+            self.assertIn(str(err.exception).lower(), "glossaries directory missing")

tests/test_message.py

@@ -91,7 +91,7 @@ class QuestionTestCase(unittest.TestCase):
 class AnswerTestCase(unittest.TestCase):
     def test_answer_with_header(self) -> None:
         with self.assertRaises(MessageError):
-            Answer(f"{Answer.txt_header}\nno")
+            str(Answer(f"{Answer.txt_header}\nno"))
 
     def test_answer_with_legal_header(self) -> None:
         answer = Answer(f"This is a line contaning '{Answer.txt_header}'\nIt is what it is.")