mirror of
https://github.com/ClickHouse/ClickHouse.git
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114 lines
2.7 KiB
Python
114 lines
2.7 KiB
Python
import collections
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import contextlib
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import multiprocessing
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import os
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import shutil
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import sys
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import socket
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import tempfile
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import threading
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import yaml
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@contextlib.contextmanager
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def temp_dir():
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path = tempfile.mkdtemp(dir=os.environ.get('TEMP'))
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try:
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yield path
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finally:
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shutil.rmtree(path)
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@contextlib.contextmanager
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def autoremoved_file(path):
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try:
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with open(path, 'w') as handle:
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yield handle
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finally:
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os.unlink(path)
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@contextlib.contextmanager
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def cd(new_cwd):
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old_cwd = os.getcwd()
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os.chdir(new_cwd)
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try:
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yield
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finally:
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os.chdir(old_cwd)
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def get_free_port():
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with contextlib.closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
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s.bind(('', 0))
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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return s.getsockname()[1]
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def run_function_in_parallel(func, args_list, threads=False):
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processes = []
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exit_code = 0
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for task in args_list:
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cls = threading.Thread if threads else multiprocessing.Process
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processes.append(cls(target=func, args=task))
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processes[-1].start()
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for process in processes:
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process.join()
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if not threads:
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if process.exitcode and not exit_code:
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exit_code = process.exitcode
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if exit_code:
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sys.exit(exit_code)
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def read_md_file(path):
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in_meta = False
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meta = {}
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meta_text = []
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content = []
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if os.path.exists(path):
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with open(path, 'r') as f:
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for line in f:
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if line.startswith('---'):
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if in_meta:
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in_meta = False
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meta = yaml.full_load(''.join(meta_text))
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else:
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in_meta = True
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else:
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if in_meta:
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meta_text.append(line)
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else:
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content.append(line)
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return meta, ''.join(content)
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def write_md_file(path, meta, content):
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dirname = os.path.dirname(path)
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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with open(path, 'w') as f:
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if meta:
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print('---', file=f)
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yaml.dump(meta, f)
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print('---', file=f)
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if not content.startswith('\n'):
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print('', file=f)
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f.write(content)
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def represent_ordereddict(dumper, data):
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value = []
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for item_key, item_value in data.items():
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node_key = dumper.represent_data(item_key)
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node_value = dumper.represent_data(item_value)
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value.append((node_key, node_value))
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return yaml.nodes.MappingNode(u'tag:yaml.org,2002:map', value)
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yaml.add_representer(collections.OrderedDict, represent_ordereddict)
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