composer异常的,跟换国内有效源

本文介绍了解决Composer在使用过程中出现异常的方法,通过更换为国内有效源,如packagist.laravel-china.org,可以有效提升Composer在国内的使用体验。

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ERROR: Exception: Traceback (most recent call last): File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 438, in _error_catcher yield File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 561, in read data = self._fp_read(amt) if not fp_closed else b"" ^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 527, in _fp_read return self._fp.read(amt) if amt is not None else self._fp.read() ^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 98, in read data: bytes = self.__fp.read(amt) ^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\http\client.py", line 479, in read s = self.fp.read(amt) ^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\socket.py", line 720, in readinto return self._sock.recv_into(b) ^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\ssl.py", line 1251, in recv_into return self.read(nbytes, buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\ssl.py", line 1103, in read return self._sslobj.read(len, buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ TimeoutError: The read operation timed out During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\cli\base_command.py", line 105, in _run_wrapper status = _inner_run() ^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\cli\base_command.py", line 96, in _inner_run return self.run(options, args) ^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\cli\req_command.py", line 67, in wrapper return func(self, options, args) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\commands\install.py", line 379, in run requirement_set = resolver.resolve( ^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 95, in resolve result = self._result = resolver.resolve( ^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 546, in resolve state = resolution.resolve(requirements, max_rounds=max_rounds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 427, in resolve failure_causes = self._attempt_to_pin_criterion(name) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 239, in _attempt_to_pin_criterion criteria = self._get_updated_criteria(candidate) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 230, in _get_updated_criteria self._add_to_criteria(criteria, requirement, parent=candidate) File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 173, in _add_to_criteria if not criterion.candidates: ^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\resolvelib\structs.py", line 156, in __bool__ return bool(self._sequence) ^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 174, in __bool__ return any(self) ^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 162, in <genexpr> return (c for c in iterator if id(c) not in self._incompatible_ids) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 53, in _iter_built candidate = func() ^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 186, in _make_candidate_from_link base: Optional[BaseCandidate] = self._make_base_candidate_from_link( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 232, in _make_base_candidate_from_link self._link_candidate_cache[link] = LinkCandidate( ^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 303, in __init__ super().__init__( File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 158, in __init__ self.dist = self._prepare() ^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 235, in _prepare dist = self._prepare_distribution() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 314, in _prepare_distribution return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\operations\prepare.py", line 527, in prepare_linked_requirement return self._prepare_linked_requirement(req, parallel_builds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\operations\prepare.py", line 598, in _prepare_linked_requirement local_file = unpack_url( ^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\operations\prepare.py", line 170, in unpack_url file = get_http_url( ^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\operations\prepare.py", line 111, in get_http_url from_path, content_type = download(link, temp_dir.path) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\network\download.py", line 148, in __call__ for chunk in chunks: File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_internal\network\utils.py", line 65, in response_chunks for chunk in response.raw.stream( File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 622, in stream data = self.read(amt=amt, decode_content=decode_content) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 560, in read with self._error_catcher(): File "C:\ProgramData\anaconda3\Lib\contextlib.py", line 158, in __exit__ self.gen.throw(value) File "C:\ProgramData\anaconda3\Lib\site-packages\pip\_vendor\urllib3\response.py", line 443, in _error_catcher raise ReadTimeoutError(self._pool, None, "Read timed out.") pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
05-16
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