Allow to force to output color ANSI-codes even if the output is a `pipe (not a tty`)

platformio/__init__.py

@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (2, 7, "2.dev4")
+VERSION = (2, 7, "2.dev5")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"

platformio/__main__.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from os import listdir
+from os import getenv, listdir
 from os.path import join
 from platform import system
 from sys import exit as sys_exit
@@ -94,6 +94,14 @@ def main():
                 "Invalid installation of Python `requests` package`. See "
                 "< https://github.com/platformio/platformio/issues/252 >")
 
+        # handle PLATFORMIO_FORCE_COLOR
+        if str(getenv("PLATFORMIO_FORCE_COLOR", "")).lower() == "true":
+            try:
+                # pylint: disable=protected-access
+                click._compat.isatty = lambda stream: True
+            except:  # pylint: disable=bare-except
+                pass
+
         cli(None, None, None)
     except Exception as e:  # pylint: disable=W0703
         if not isinstance(e, exception.ReturnErrorCode):