build: Initialize Python virtual environment and install project dependencies.

.venv/lib/python3.11/site-packages/platformio/builder/tools/piomaxlen.py

@@ -0,0 +1,96 @@
+# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import hashlib
+import os
+import re
+
+from SCons.Platform import TempFileMunge  # pylint: disable=import-error
+from SCons.Script import COMMAND_LINE_TARGETS  # pylint: disable=import-error
+from SCons.Subst import quote_spaces  # pylint: disable=import-error
+
+from platformio.compat import IS_WINDOWS, hashlib_encode_data
+
+# There are the next limits depending on a platform:
+# - Windows = 8191
+# - Unix    = 131072
+# We need ~512 characters for compiler and temporary file paths
+MAX_LINE_LENGTH = (8191 if IS_WINDOWS else 131072) - 512
+
+WINPATHSEP_RE = re.compile(r"\\([^\"'\\]|$)")
+
+
+def tempfile_arg_esc_func(arg):
+    arg = quote_spaces(arg)
+    if not IS_WINDOWS:
+        return arg
+    # GCC requires double Windows slashes, let's use UNIX separator
+    return WINPATHSEP_RE.sub(r"/\1", arg)
+
+
+def long_sources_hook(env, sources):
+    _sources = str(sources).replace("\\", "/")
+    if len(str(_sources)) < MAX_LINE_LENGTH:
+        return sources
+
+    # fix space in paths
+    data = []
+    for line in _sources.split(".o "):
+        line = line.strip()
+        if not line.endswith(".o"):
+            line += ".o"
+        data.append('"%s"' % line)
+
+    return '@"%s"' % _file_long_data(env, " ".join(data))
+
+
+def _file_long_data(env, data):
+    build_dir = env.subst("$BUILD_DIR")
+    if not os.path.isdir(build_dir):
+        os.makedirs(build_dir)
+    tmp_file = os.path.join(
+        build_dir, "longcmd-%s" % hashlib.md5(hashlib_encode_data(data)).hexdigest()
+    )
+    if os.path.isfile(tmp_file):
+        return tmp_file
+    with open(tmp_file, mode="w", encoding="utf8") as fp:
+        fp.write(data)
+    return tmp_file
+
+
+def exists(env):
+    return "compiledb" not in COMMAND_LINE_TARGETS and not env.IsIntegrationDump()
+
+
+def generate(env):
+    if not exists(env):
+        return env
+    kwargs = dict(
+        _long_sources_hook=long_sources_hook,
+        TEMPFILE=TempFileMunge,
+        MAXLINELENGTH=MAX_LINE_LENGTH,
+        TEMPFILEARGESCFUNC=tempfile_arg_esc_func,
+        TEMPFILESUFFIX=".tmp",
+        TEMPFILEDIR="$BUILD_DIR",
+    )
+
+    for name in ("LINKCOM", "ASCOM", "ASPPCOM", "CCCOM", "CXXCOM"):
+        kwargs[name] = "${TEMPFILE('%s','$%sSTR')}" % (env.get(name), name)
+
+    kwargs["ARCOM"] = env.get("ARCOM", "").replace(
+        "$SOURCES", "${_long_sources_hook(__env__, SOURCES)}"
+    )
+    env.Replace(**kwargs)
+
+    return env