From a10625a0529d57c3fc385898e362b4239669b2d6 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Thu, 13 Feb 2020 15:53:42 +0200
Subject: [PATCH] Automatically rebuild contrib-pysite package when import
 fails // Issue #3313

---
 docs                                |  2 +-
 platformio/commands/home/command.py | 14 +++++-
 platformio/managers/core.py         | 78 ++++++++++++++++++++++++++++-
 3 files changed, 89 insertions(+), 5 deletions(-)

diff --git a/docs b/docs
index 6dd2fec1..3a399f12 160000
--- a/docs
+++ b/docs
@@ -1 +1 @@
-Subproject commit 6dd2fec1141b104dc4867b746d9335263cdf209e
+Subproject commit 3a399f127b6e16c75e47ff06d90f2aace7a5f94b
diff --git a/platformio/commands/home/command.py b/platformio/commands/home/command.py
index c5d5dc14..82844b7a 100644
--- a/platformio/commands/home/command.py
+++ b/platformio/commands/home/command.py
@@ -22,7 +22,11 @@ import click
 
 from platformio import exception
 from platformio.compat import WINDOWS
-from platformio.managers.core import get_core_package_dir, inject_contrib_pysite
+from platformio.managers.core import (
+    build_contrib_pysite_deps,
+    get_core_package_dir,
+    inject_contrib_pysite,
+)
 
 
 @click.command("home", short_help="PIO Home")
@@ -50,7 +54,13 @@ def cli(port, host, no_open, shutdown_timeout):
 
     # import contrib modules
     inject_contrib_pysite()
-    from autobahn.twisted.resource import WebSocketResource
+
+    try:
+        from autobahn.twisted.resource import WebSocketResource
+    except (ImportError, ModuleNotFoundError):
+        build_contrib_pysite_deps(get_core_package_dir("contrib-pysite"))
+        from autobahn.twisted.resource import WebSocketResource
+
     from twisted.internet import reactor
     from twisted.web import server
 
diff --git a/platformio/managers/core.py b/platformio/managers/core.py
index c7203eca..55a0ece4 100644
--- a/platformio/managers/core.py
+++ b/platformio/managers/core.py
@@ -12,12 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import json
 import os
 import subprocess
 import sys
 from os.path import dirname, join
 
-from platformio import __version__, exception, fs
+from platformio import __version__, exception, fs, util
 from platformio.compat import PY2, WINDOWS
 from platformio.managers.package import PackageManager
 from platformio.proc import copy_pythonpath_to_osenv, get_pythonexe_path
@@ -25,7 +26,7 @@ from platformio.project.config import ProjectConfig
 
 CORE_PACKAGES = {
     "contrib-piohome": "~3.1.0",
-    "contrib-pysite": "~2.%d%d.0" % (sys.version_info[0], sys.version_info[1]),
+    "contrib-pysite": "~2.%d%d.0" % (sys.version_info.major, sys.version_info.minor),
     "tool-pioplus": "^2.6.1",
     "tool-unity": "~1.20500.0",
     "tool-scons": "~2.20501.7" if PY2 else "~3.30102.0",
@@ -113,6 +114,79 @@ def inject_contrib_pysite():
     sys.path.insert(0, contrib_pysite_dir)
 
 
+def build_contrib_pysite_deps(target_dir):
+    if os.path.isdir(target_dir):
+        util.rmtree_(target_dir)
+    os.makedirs(target_dir)
+    with open(os.path.join(target_dir, "package.json"), "w") as fp:
+        json.dump(
+            dict(
+                name="contrib-pysite",
+                version="2.%d%d.0" % (sys.version_info.major, sys.version_info.minor),
+                system=util.get_systype(),
+            ),
+            fp,
+        )
+
+    pythonexe = get_pythonexe_path()
+    for dep in get_contrib_pysite_deps():
+        subprocess.call(
+            [
+                pythonexe,
+                "-m",
+                "pip",
+                "install",
+                "--no-cache-dir",
+                "--no-compile",
+                "-t",
+                target_dir,
+                dep,
+            ]
+        )
+    return True
+
+
+def get_contrib_pysite_deps():
+    sys_type = util.get_systype()
+    py_version = "%d%d" % (sys.version_info.major, sys.version_info.minor)
+
+    twisted_version = "19.7.0"
+    result = [
+        "twisted == %s" % twisted_version,
+        "autobahn == 19.10.1",
+        "json-rpc == 1.12.1",
+    ]
+
+    # twisted[tls], see setup.py for %twisted_version%
+    result.extend(
+        ["pyopenssl >= 16.0.0", "service_identity >= 18.1.0", "idna >= 0.6, != 2.3"]
+    )
+
+    # zeroconf
+    if sys.version_info.major < 3:
+        result.append(
+            "https://github.com/ivankravets/python-zeroconf/" "archive/pio-py27.zip"
+        )
+    else:
+        result.append("zeroconf == 0.23.0")
+
+    if "windows" in sys_type:
+        result.append("pypiwin32 == 223")
+        # workaround for twisted wheels
+        twisted_wheel = (
+            "https://download.lfd.uci.edu/pythonlibs/g5apjq5m/Twisted-"
+            "%s-cp%s-cp%sm-win%s.whl"
+            % (
+                twisted_version,
+                py_version,
+                py_version,
+                "_amd64" if "amd64" in sys_type else "32",
+            )
+        )
+        result[0] = twisted_wheel
+    return result
+
+
 def pioplus_call(args, **kwargs):
     if WINDOWS and sys.version_info < (2, 7, 6):
         raise exception.PlatformioException(