replaced PROJECT_HOME with POETRY_CONFIG_DIR, POETRY_DATA_DIR and POE…

…TRY_CACHE_DIR

docs/configuration.md

@@ -9,6 +9,35 @@ menu:
     weight: 40
 ---
 
+# Default Directories
+
+Poetry uses these following default directories
+
+## Config Directory
+
+- Linux: `$XDG_CONFIG_HOME/$appname` or `~/.config/$appname`
+- Windows:`%USERPROFILE%\AppData\Local\$appauthor\$appname` (not roaming) or`%USERPROFILE%\AppData\Roaming\$appauthor\$appname` (roaming)
+- MacOS: `~/Library/Preferences/$appname/$version`
+
+You can override this Config directory by setting `POETRY_CONFIG_DIR` environment variable
+
+
+## Data Directory
+
+- Linux: `$XDG_DATA_HOME/$appname` or `~/.local/share/$appname`
+- Windows:`%USERPROFILE%\AppData\Local\$appauthor\$appname` (not roaming) or`%USERPROFILE%\AppData\Roaming\$appauthor\$appname` (roaming)
+- MacOS: `~/Library/Application Support/$appname/$version`
+
+You can override this Data directory by setting `POETRY_DATA_DIR` environment variable
+
+## Cache Directory
+
+- Linux: `$XDG_CACHE_HOME/$appname` or `~/.cache/$appname`
+- Windows:`%USERPROFILE%\AppData\Local\$appauthor\$appname\Cache\$version`
+- MacOS: `~/Library/Caches/$appname/$version`
+
+You can override this Cache directory by setting `POETRY_CACHE_DIR` environment variable
+
 # Configuration
 
 Poetry can be configured via the `config` command ([see more about its usage here]({{< relref "cli#config" >}} "config command documentation"))

src/poetry/locations.py

@@ -14,13 +14,14 @@
 logger = logging.getLogger(__name__)
 
 CACHE_DIR = (
-    Path(os.path.join(os.environ["PROJECT_HOME"], ".cache"))
-    if sys.platform.startswith("linux") and "PROJECT_HOME" in os.environ
+    Path(os.path.join(os.environ["POETRY_CACHE_DIR"], "cache"))
+    if "POETRY_CACHE_DIR" in os.environ
     else user_cache_path("pypoetry", appauthor=False)
 )
+
 CONFIG_DIR = (
-    Path(os.path.join(os.environ["PROJECT_HOME"], ".config"))
-    if sys.platform.startswith("linux") and "PROJECT_HOME" in os.environ
+    Path(os.path.join(os.environ["POETRY_CONFIG_DIR"], "config"))
+    if "POETRY_CONFIG_DIR" in os.environ
     else user_config_path("pypoetry", appauthor=False, roaming=True)
 )
 
@@ -53,7 +54,7 @@ def data_dir() -> Path:
         return Path(poetry_home).expanduser()
 
     return (
-        Path(os.path.join(os.environ["PROJECT_HOME"], ".local/share"))
-        if sys.platform.startswith("linux") and "PROJECT_HOME" in os.environ
+        Path(os.path.join(os.environ["POETRY_DATA_DIR"], "data"))
+        if "POETRY_DATA_DIR" in os.environ
         else user_data_path("pypoetry", appauthor=False, roaming=True)
     )