Rune Harlyk
113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
# ESP32 SvelteKit --
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#
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# A simple, secure and extensible framework for IoT projects for ESP32 platforms
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# with responsive Sveltekit front-end built with TailwindCSS and DaisyUI.
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# https://github.com/theelims/ESP32-sveltekit
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#
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# Copyright (C) 2018 - 2023 rjwats
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# Copyright (C) 2023 theelims
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# Copyright (C) 2023 Maxtrium B.V. [ code available under dual license ]
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#
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# All Rights Reserved. This software may be modified and distributed under
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# the terms of the LGPL v3 license. See the LICENSE file for details.
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from pathlib import Path
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from shutil import copyfileobj
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import os
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import gzip
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import mimetypes
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import glob
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from datetime import datetime
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Import("env")
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buildFlags = env.ParseFlags(env["BUILD_FLAGS"])
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project_dir = env["PROJECT_DIR"]
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app_dir = project_dir + "/../app2"
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output_file = project_dir + "/lib/ESP32-sveltekit/WWWData.h"
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source_www_dir = app_dir + "/src"
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build_www_dir = app_dir + "/build"
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www_dir = "www"
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def find_latest_timestamp_for_app():
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return max((os.path.getmtime(f) for f in glob.glob(f'{source_www_dir}/**/*', recursive=True)))
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def should_regenerate_output_file():
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if not flag_exists("EMBED_WWW") or not os.path.exists(output_file):
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return True
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last_source_change = find_latest_timestamp_for_app()
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last_build = os.path.getmtime(output_file)
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print(f'Newest file: {datetime.fromtimestamp(last_source_change)}, output file: {datetime.fromtimestamp(last_build)}')
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if last_build < last_source_change:
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print("Svelte files updated. Regenerating.")
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return True
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print("Output file up-to-date.")
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return False
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def gzip_file(file):
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with open(file, 'rb') as f_in:
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with gzip.open(file + '.gz', 'wb') as f_out:
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copyfileobj(f_in, f_out)
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os.remove(file)
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def flag_exists(flag):
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for define in buildFlags.get("CPPDEFINES"):
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if (define == flag or (isinstance(define, list) and define[0] == flag)):
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return True
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def build_progmem():
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mimetypes.init()
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with open(output_file, "w") as progmem:
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progmem.write("#include <functional>\n")
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progmem.write("#include <Arduino.h>\n\n")
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assetMap = {}
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for idx, path in enumerate(Path(www_dir).rglob("*.*")):
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asset_path = path.relative_to(www_dir).as_posix()
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filetype, asset_mime = path.suffix.lstrip('.'), mimetypes.guess_type(asset_path)[0] or 'application/octet-stream'
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print(f"Converting {asset_path}")
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asset_var = f'WEB_ASSET_DATA_{idx}'
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progmem.write(f'// {asset_path}\n')
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progmem.write(f'const uint8_t {asset_var}[] = {{\n ')
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file_data = gzip.compress(path.read_bytes())
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for i, byte in enumerate(file_data):
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if i and not (i % 16):
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progmem.write('\n\t')
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progmem.write(f"0x{byte:02X},")
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progmem.write('\n};\n\n')
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assetMap[asset_path] = { "name": asset_var, "mime": asset_mime, "size": len(file_data) }
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progmem.write('typedef std::function<void(const String& uri, const String& contentType, const uint8_t * content, size_t len)> RouteRegistrationHandler;\n\n')
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progmem.write('class WWWData {\n')
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progmem.write('\tpublic:\n')
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progmem.write('\t\tstatic void registerRoutes(RouteRegistrationHandler handler) {\n')
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for asset_path, asset in assetMap.items():
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progmem.write(f'\t\t\thandler("/{asset_path}", "{asset["mime"]}", {asset["name"]}, {asset["size"]});\n')
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progmem.write('\t\t}\n')
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progmem.write('};\n\n')
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def build_webapp():
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os.chdir("../app2")
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print("Building app with pnpm")
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env.Execute("pnpm install")
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env.Execute("pnpm run build")
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os.chdir("../esp32")
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def embed_webapp():
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if flag_exists("EMBED_WWW"):
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print("Converting interface to PROGMEM")
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build_progmem()
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return
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print("running: build_interface.py")
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if (should_regenerate_output_file()):
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build_webapp()
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embed_webapp() |