kopia lustrzana https://github.com/espressif/esp-idf
81 wiersze
2.7 KiB
Python
81 wiersze
2.7 KiB
Python
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# Utility functions used in conf.py
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#
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# Copyright 2017 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http:#www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import unicode_literals
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from io import open
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import os
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import shutil
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import sys
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try:
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import urllib.request
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_urlretrieve = urllib.request.urlretrieve
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except ImportError:
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# Python 2 fallback
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import urllib
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_urlretrieve = urllib.urlretrieve
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def files_equal(path_1, path_2):
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if not os.path.exists(path_1) or not os.path.exists(path_2):
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return False
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file_1_contents = ''
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with open(path_1, "r", encoding='utf-8') as f_1:
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file_1_contents = f_1.read()
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file_2_contents = ''
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with open(path_2, "r", encoding='utf-8') as f_2:
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file_2_contents = f_2.read()
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return file_1_contents == file_2_contents
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def copy_file_if_modified(src_file_path, dst_file_path):
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if not files_equal(src_file_path, dst_file_path):
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dst_dir_name = os.path.dirname(dst_file_path)
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if not os.path.isdir(dst_dir_name):
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os.makedirs(dst_dir_name)
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shutil.copy(src_file_path, dst_file_path)
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def copy_if_modified(src_path, dst_path):
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if os.path.isfile(src_path):
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copy_file_if_modified(src_path, dst_path)
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return
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src_path_len = len(src_path)
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for root, dirs, files in os.walk(src_path):
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for src_file_name in files:
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src_file_path = os.path.join(root, src_file_name)
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dst_file_path = os.path.join(dst_path + root[src_path_len:], src_file_name)
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copy_file_if_modified(src_file_path, dst_file_path)
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def download_file_if_missing(from_url, to_path):
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filename_with_path = to_path + "/" + os.path.basename(from_url)
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exists = os.path.isfile(filename_with_path)
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if exists:
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print("The file '%s' already exists" % (filename_with_path))
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else:
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tmp_file, header = _urlretrieve(from_url)
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with open(filename_with_path, 'wb') as fobj:
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with open(tmp_file, 'rb') as tmp:
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fobj.write(tmp.read())
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def call_with_python(cmd):
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# using sys.executable ensures that the scripts are called with the same Python interpreter
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if os.system('{} {}'.format(sys.executable, cmd)) != 0:
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raise RuntimeError('{} failed'.format(cmd))
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