Merge branch 'master' into v2

Author: PJ-Finlay

README.md

@@ -25,12 +25,6 @@ Install [GUI](https://github.com/argosopentech/argos-translate-gui):
 pip install argostranslategui
 ```
 
-### Installation for macOS
-
-1. Download the latest [macOS release.](https://github.com/argosopentech/argos-translate/releases/)
-2. Extract the archive.
-3. Copy the `.app` file to the Applications directory.
-
 ### Python source installation into virtualenv
 
 Download a copy of this repo and install with pip.
@@ -112,7 +106,6 @@ The GUI code is in a [separate repository](https://github.com/argosopentech/argo
 
 ![Screenshot](/img/Screenshot.png)
 ![Screenshot2](/img/Screenshot2.png)
-![Argos Translate macOS Screenshot](/img/ArgosTranslateMacOSScreenshot.png)
 
 
 ## [Packages](https://www.argosopentech.com/argospm/index/)

argostranslate/apply_bpe.py

@@ -413,8 +413,9 @@ def isolate_glossary(word, glossary):
 
 
 if __name__ == "__main__":
+
     currentdir = os.path.dirname(
-        os.path.abspath(inspect.getfile(inspect.currentframe()))  # type: ignore
+        os.path.abspath(inspect.getfile(inspect.currentframe()))
     )
     newdir = os.path.join(currentdir, "subword_nmt")
     if os.path.isdir(newdir):

argostranslate/package.py

@@ -394,3 +394,27 @@ def uninstall(pkg):
     with package_lock:
         info("Uninstalled package", pkg)
         shutil.rmtree(pkg.package_path)
+
+def install_package_for_language_pair(from_code: str, to_code: str) -> bool:
+    """Installs the necessary package to translate between a pair of languages
+    Args:
+        from_code (str): The ISO 639 code for the language being translated from
+        to_code (str): The ISO 639 code for the language being translated to
+    Returns:
+        True if the package was installed successfully,
+        False if the installation failed or was not possible
+    """
+    available_packages = get_available_packages()
+    try:
+        package_to_install = next(
+            filter(
+                lambda x: x.from_code == from_code and x.to_code == to_code,
+                available_packages,
+            )
+        )
+    except StopIteration:
+        return False
+
+    install_from_path(package_to_install.download())
+    return True
+

argostranslate/utils.py

@@ -12,6 +12,14 @@
     std_out_stream_handler = logging.StreamHandler(sys.stdout)
     logger.addHandler(std_out_stream_handler)
 
+# Python Logging Levels:
+# https://docs.python.org/3/library/logging.html#levels
+
+
+def debug(*argv):
+    """Debug level log"""
+    logger.debug(str(argv))
+
 
 def get_json_string(argv):
     if len(argv) == 1: