esphome/esphome/writer.py
2019-05-29 19:30:35 +02:00

396 lines
13 KiB
Python

from __future__ import print_function
import logging
import os
import re
from esphome.config import iter_components
from esphome.const import CONF_BOARD_FLASH_MODE, CONF_ESPHOME, CONF_PLATFORMIO_OPTIONS, \
HEADER_FILE_EXTENSIONS, SOURCE_FILE_EXTENSIONS
from esphome.core import CORE, EsphomeError
from esphome.helpers import mkdir_p, read_file, write_file_if_changed, walk_files
from esphome.storage_json import StorageJSON, storage_path
_LOGGER = logging.getLogger(__name__)
CPP_AUTO_GENERATE_BEGIN = u'// ========== AUTO GENERATED CODE BEGIN ==========='
CPP_AUTO_GENERATE_END = u'// =========== AUTO GENERATED CODE END ============'
CPP_INCLUDE_BEGIN = u'// ========== AUTO GENERATED INCLUDE BLOCK BEGIN ==========='
CPP_INCLUDE_END = u'// ========== AUTO GENERATED INCLUDE BLOCK END ==========='
INI_AUTO_GENERATE_BEGIN = u'; ========== AUTO GENERATED CODE BEGIN ==========='
INI_AUTO_GENERATE_END = u'; =========== AUTO GENERATED CODE END ============'
CPP_BASE_FORMAT = (u"""// Auto generated code by esphome
""", u""""
void setup() {
// ===== DO NOT EDIT ANYTHING BELOW THIS LINE =====
""", u"""
// ========= YOU CAN EDIT AFTER THIS LINE =========
App.setup();
}
void loop() {
App.loop();
}
""")
INI_BASE_FORMAT = (u"""; Auto generated code by esphome
[common]
lib_deps =
build_flags =
upload_flags =
; ===== DO NOT EDIT ANYTHING BELOW THIS LINE =====
""", u"""
; ========= YOU CAN EDIT AFTER THIS LINE =========
""")
UPLOAD_SPEED_OVERRIDE = {
'esp210': 57600,
}
def get_flags(key):
flags = set()
for _, component, conf in iter_components(CORE.config):
flags |= getattr(component, key)(conf)
return flags
def get_include_text():
include_text = u'#include "esphome.h"\n' \
u'using namespace esphome;\n'
for _, component, conf in iter_components(CORE.config):
if not hasattr(component, 'includes'):
continue
includes = component.includes
if callable(includes):
includes = includes(conf)
if includes is None:
continue
if isinstance(includes, list):
includes = '\n'.join(includes)
if not includes:
continue
include_text += includes + '\n'
return include_text
def replace_file_content(text, pattern, repl):
content_new, count = re.subn(pattern, repl, text, flags=re.M)
return content_new, count
def migrate_src_version_0_to_1():
main_cpp = CORE.relative_build_path('src', 'main.cpp')
if not os.path.isfile(main_cpp):
return
content = read_file(main_cpp)
if CPP_INCLUDE_BEGIN in content:
return
content, count = replace_file_content(content, r'\s*delay\((?:16|20)\);', '')
if count != 0:
_LOGGER.info("Migration: Removed %s occurrence of 'delay(16);' in %s", count, main_cpp)
content, count = replace_file_content(content, r'using namespace esphomelib;', '')
if count != 0:
_LOGGER.info("Migration: Removed %s occurrence of 'using namespace esphomelib;' "
"in %s", count, main_cpp)
if CPP_INCLUDE_BEGIN not in content:
content, count = replace_file_content(content, r'#include "esphomelib/application.h"',
CPP_INCLUDE_BEGIN + u'\n' + CPP_INCLUDE_END)
if count == 0:
_LOGGER.error("Migration failed. ESPHome 1.10.0 needs to have a new auto-generated "
"include section in the %s file. Please remove %s and let it be "
"auto-generated again.", main_cpp, main_cpp)
_LOGGER.info("Migration: Added include section to %s", main_cpp)
write_file_if_changed(content, main_cpp)
def migrate_src_version(old, new):
if old == new:
return
if old > new:
_LOGGER.warning("The source version rolled backwards! Ignoring.")
return
if old == 0:
migrate_src_version_0_to_1()
def storage_should_clean(old, new): # type: (StorageJSON, StorageJSON) -> bool
if old is None:
return True
if old.src_version != new.src_version:
return True
if old.arduino_version != new.arduino_version:
return True
if old.board != new.board:
return True
if old.build_path != new.build_path:
return True
return False
def update_storage_json():
path = storage_path()
old = StorageJSON.load(path)
new = StorageJSON.from_esphome_core(CORE, old)
if old == new:
return
old_src_version = old.src_version if old is not None else 0
migrate_src_version(old_src_version, new.src_version)
if storage_should_clean(old, new):
_LOGGER.info("Core config or version changed, cleaning build files...")
clean_build()
new.save(path)
def format_ini(data):
content = u''
for key, value in sorted(data.items()):
if isinstance(value, (list, set, tuple)):
content += u'{} =\n'.format(key)
for x in value:
content += u' {}\n'.format(x)
else:
content += u'{} = {}\n'.format(key, value)
return content
def gather_lib_deps():
lib_deps_l = [x.as_lib_dep for x in CORE.libraries]
lib_deps_l.sort()
return lib_deps_l
def gather_build_flags():
build_flags = CORE.build_flags
# avoid changing build flags order
return list(sorted(list(build_flags)))
def get_ini_content():
lib_deps = gather_lib_deps()
build_flags = gather_build_flags()
data = {
'platform': CORE.arduino_version,
'board': CORE.board,
'framework': 'arduino',
'lib_deps': lib_deps + ['${common.lib_deps}'],
'build_flags': build_flags + ['${common.build_flags}'],
'upload_speed': UPLOAD_SPEED_OVERRIDE.get(CORE.board, 115200),
}
if CORE.is_esp32:
data['board_build.partitions'] = "partitions.csv"
partitions_csv = CORE.relative_build_path('partitions.csv')
if not os.path.isfile(partitions_csv):
with open(partitions_csv, "w") as f:
f.write("nvs, data, nvs, 0x009000, 0x005000,\n")
f.write("otadata, data, ota, 0x00e000, 0x002000,\n")
f.write("app0, app, ota_0, 0x010000, 0x190000,\n")
f.write("app1, app, ota_1, 0x200000, 0x190000,\n")
f.write("eeprom, data, 0x99, 0x390000, 0x001000,\n")
f.write("spiffs, data, spiffs, 0x391000, 0x00F000\n")
if CONF_BOARD_FLASH_MODE in CORE.config[CONF_ESPHOME]:
flash_mode = CORE.config[CONF_ESPHOME][CONF_BOARD_FLASH_MODE]
data['board_build.flash_mode'] = flash_mode
# Ignore libraries that are not explicitly used, but may
# be added by LDF
# data['lib_ldf_mode'] = 'chain'
data.update(CORE.config[CONF_ESPHOME].get(CONF_PLATFORMIO_OPTIONS, {}))
content = u'[env:{}]\n'.format(CORE.name)
content += format_ini(data)
return content
def find_begin_end(text, begin_s, end_s):
begin_index = text.find(begin_s)
if begin_index == -1:
raise EsphomeError(u"Could not find auto generated code begin in file, either "
u"delete the main sketch file or insert the comment again.")
if text.find(begin_s, begin_index + 1) != -1:
raise EsphomeError(u"Found multiple auto generate code begins, don't know "
u"which to chose, please remove one of them.")
end_index = text.find(end_s)
if end_index == -1:
raise EsphomeError(u"Could not find auto generated code end in file, either "
u"delete the main sketch file or insert the comment again.")
if text.find(end_s, end_index + 1) != -1:
raise EsphomeError(u"Found multiple auto generate code endings, don't know "
u"which to chose, please remove one of them.")
return text[:begin_index], text[(end_index + len(end_s)):]
def write_platformio_ini(content):
update_storage_json()
path = CORE.relative_build_path('platformio.ini')
if os.path.isfile(path):
text = read_file(path)
content_format = find_begin_end(text, INI_AUTO_GENERATE_BEGIN, INI_AUTO_GENERATE_END)
else:
content_format = INI_BASE_FORMAT
full_file = content_format[0] + INI_AUTO_GENERATE_BEGIN + '\n' + content
full_file += INI_AUTO_GENERATE_END + content_format[1]
write_file_if_changed(full_file, path)
def write_platformio_project():
mkdir_p(CORE.build_path)
content = get_ini_content()
write_gitignore()
write_platformio_ini(content)
DEFINES_H_FORMAT = ESPHOME_H_FORMAT = u"""\
#pragma once
{}
"""
DEFINES_H_TARGET = 'esphome/core/defines.h'
ESPHOME_README_TXT = u"""
THIS DIRECTORY IS AUTO-GENERATED, DO NOT MODIFY
ESPHome automatically populates the esphome/ directory, and any
changes to this directory will be removed the next time esphome is
run.
For modifying esphome's core files, please use a development esphome install
or use the custom_components folder.
"""
def copy_src_tree():
import filecmp
import shutil
source_files = {}
for _, component, _ in iter_components(CORE.config):
source_files.update(component.source_files)
# Convert to list and sort
source_files_l = [it for it in source_files.items()]
source_files_l.sort()
# Build #include list for esphome.h
include_l = []
for target, path in source_files_l:
if os.path.splitext(path)[1] in HEADER_FILE_EXTENSIONS:
include_l.append(u'#include "{}"'.format(target))
include_l.append(u'')
include_s = u'\n'.join(include_l)
source_files_copy = source_files.copy()
source_files_copy.pop(DEFINES_H_TARGET)
for path in walk_files(CORE.relative_src_path('esphome')):
if os.path.splitext(path)[1] not in SOURCE_FILE_EXTENSIONS:
# Not a source file, ignore
continue
# Transform path to target path name
target = os.path.relpath(path, CORE.relative_src_path()).replace(os.path.sep, '/')
if target == DEFINES_H_TARGET:
# Ignore defines.h, will be dealt with later
continue
if target not in source_files_copy:
# Source file removed, delete target
os.remove(path)
else:
src_path = source_files_copy.pop(target)
if not filecmp.cmp(path, src_path):
# Files are not same, copy
shutil.copy(src_path, path)
# Now copy new files
for target, src_path in source_files_copy.items():
dst_path = CORE.relative_src_path(*target.split('/'))
mkdir_p(os.path.dirname(dst_path))
shutil.copy(src_path, dst_path)
# Finally copy defines
write_file_if_changed(generate_defines_h(),
CORE.relative_src_path('esphome', 'core', 'defines.h'))
write_file_if_changed(ESPHOME_README_TXT,
CORE.relative_src_path('esphome', 'README.txt'))
write_file_if_changed(ESPHOME_H_FORMAT.format(include_s),
CORE.relative_src_path('esphome.h'))
def generate_defines_h():
define_content_l = [x.as_macro for x in CORE.defines]
define_content_l.sort()
return DEFINES_H_FORMAT.format(u'\n'.join(define_content_l))
def write_cpp(code_s):
path = CORE.relative_src_path('main.cpp')
if os.path.isfile(path):
text = read_file(path)
code_format = find_begin_end(text, CPP_AUTO_GENERATE_BEGIN, CPP_AUTO_GENERATE_END)
code_format_ = find_begin_end(code_format[0], CPP_INCLUDE_BEGIN, CPP_INCLUDE_END)
code_format = (code_format_[0], code_format_[1], code_format[1])
else:
code_format = CPP_BASE_FORMAT
copy_src_tree()
global_s = u'#include "esphome.h"\n'
global_s += CORE.cpp_global_section
full_file = code_format[0] + CPP_INCLUDE_BEGIN + u'\n' + global_s + CPP_INCLUDE_END
full_file += code_format[1] + CPP_AUTO_GENERATE_BEGIN + u'\n' + code_s + CPP_AUTO_GENERATE_END
full_file += code_format[2]
write_file_if_changed(full_file, path)
def clean_build():
import shutil
pioenvs = CORE.relative_pioenvs_path()
if os.path.isdir(pioenvs):
_LOGGER.info("Deleting %s", pioenvs)
shutil.rmtree(pioenvs)
piolibdeps = CORE.relative_piolibdeps_path()
if os.path.isdir(piolibdeps):
_LOGGER.info("Deleting %s", piolibdeps)
shutil.rmtree(piolibdeps)
GITIGNORE_CONTENT = """# Gitignore settings for ESPHome
# This is an example and may include too much for your use-case.
# You can modify this file to suit your needs.
/.esphome/
**/.pioenvs/
**/.piolibdeps/
**/lib/
**/src/
**/platformio.ini
/secrets.yaml
"""
def write_gitignore():
path = CORE.relative_config_path('.gitignore')
if not os.path.isfile(path):
with open(path, 'w') as f:
f.write(GITIGNORE_CONTENT)