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headers.items():\\n if name.lower() not in HEADERS_TO_IGNORE:\\n xhr.setRequestHeader(name, value)\\n\\n if timeout:\\n xhr.timeout = int(timeout * 1000)\\n\\n if json is not None:\\n assert data is None\\n import ujson\\n\\n data = ujson.dumps(json)\\n # s.write(b\"Content-Type: application/json\\\\r\\\\n\")\\n xhr.setRequestHeader(\"Content-Type\", \"application/json\")\\n\\n xhr.send(data)\\n\\n # Emulates the construction process in the original urequests\\n resp = Response(StringIO(xhr.responseText))\\n resp.status_code = xhr.status\\n resp.reason = xhr.statusText\\n resp.headers = xhr.getAllResponseHeaders()\\n\\n return resp\\n\\n\\n# Other methods - head, post, put, patch, delete - are not used by\\n# mip and therefore not included\\n\\n\\ndef get(url, **kw):\\n return request(\"GET\", url, **kw)\\n\\n\\n# Content below this line is from the Micropython MIP package and is covered\\n# by the applicable MIT license:\\n# \\n# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\\n# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, \\n# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\\n# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER \\n# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING \\n# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER \\n# DEALINGS IN THE SOFTWARE.\\n\\n# MicroPython package installer\\n# MIT license; Copyright (c) 2022 Jim Mussared\\n\\n\\n_PACKAGE_INDEX = const(\"https://micropython.org/pi/v2\")\\n_CHUNK_SIZE = 128\\n\\n\\n# This implements os.makedirs(os.dirname(path))\\ndef _ensure_path_exists(path):\\n import os\\n\\n split = path.split(\"/\")\\n\\n # Handle paths starting with \"/\".\\n if not split[0]:\\n split.pop(0)\\n split[0] = \"/\" + split[0]\\n\\n prefix = \"\"\\n for i in range(len(split) - 1):\\n prefix += split[i]\\n try:\\n os.stat(prefix)\\n except:\\n os.mkdir(prefix)\\n prefix += \"/\"\\n\\n\\n# Copy from src (stream) to dest (function-taking-bytes)\\ndef _chunk(src, dest):\\n buf = memoryview(bytearray(_CHUNK_SIZE))\\n while True:\\n n = src.readinto(buf)\\n if n == 0:\\n break\\n dest(buf if n == _CHUNK_SIZE else buf[:n])\\n\\n\\n# Check if the specified path exists and matches the hash.\\ndef _check_exists(path, short_hash):\\n import os\\n\\n try:\\n import binascii\\n import hashlib\\n\\n with open(path, \"rb\") as f:\\n hs256 = hashlib.sha256()\\n _chunk(f, hs256.update)\\n existing_hash = str(binascii.hexlify(hs256.digest())[: len(short_hash)], \"utf-8\")\\n return existing_hash == short_hash\\n except:\\n return False\\n\\n\\ndef _rewrite_url(url, branch=None):\\n if not branch:\\n branch = \"HEAD\"\\n if url.startswith(\"github:\"):\\n url = url[7:].split(\"/\")\\n url = (\\n \"https://raw.githubusercontent.com/\"\\n + url[0]\\n + \"/\"\\n + url[1]\\n + \"/\"\\n + branch\\n + \"/\"\\n + \"/\".join(url[2:])\\n )\\n return url\\n\\n\\ndef _download_file(url, dest):\\n response = get(url)\\n try:\\n if response.status_code != 200:\\n print(\"Error\", response.status_code, \"requesting\", url)\\n return False\\n\\n print(\"Copying:\", dest)\\n _ensure_path_exists(dest)\\n with open(dest, \"wb\") as f:\\n _chunk(response.raw, f.write)\\n\\n return True\\n finally:\\n response.close()\\n\\n\\ndef _install_json(package_json_url, index, target, version, mpy):\\n response = get(_rewrite_url(package_json_url, version))\\n try:\\n if response.status_code != 200:\\n print(\"Package not found:\", package_json_url)\\n return False\\n\\n package_json = response.json()\\n finally:\\n response.close()\\n for target_path, short_hash in package_json.get(\"hashes\", ()):\\n fs_target_path = target + \"/\" + target_path\\n if _check_exists(fs_target_path, short_hash):\\n print(\"Exists:\", fs_target_path)\\n else:\\n file_url = \"{}/file/{}/{}\".format(index, short_hash[:2], short_hash)\\n if not _download_file(file_url, fs_target_path):\\n print(\"File not found: {} {}\".format(target_path, short_hash))\\n return False\\n for target_path, url in package_json.get(\"urls\", ()):\\n fs_target_path = target + \"/\" + target_path\\n if not _download_file(_rewrite_url(url, version), fs_target_path):\\n print(\"File not found: {} {}\".format(target_path, url))\\n return False\\n for dep, dep_version in package_json.get(\"deps\", ()):\\n if not _install_package(dep, index, target, dep_version, mpy):\\n return False\\n return True\\n\\n\\ndef _install_package(package, index, target, version, mpy):\\n if (\\n package.startswith(\"http://\")\\n or package.startswith(\"https://\")\\n or package.startswith(\"github:\")\\n ):\\n if package.endswith(\".py\") or package.endswith(\".mpy\"):\\n print(\"Downloading {} to {}\".format(package, target))\\n return _download_file(\\n _rewrite_url(package, version), target + \"/\" + package.rsplit(\"/\")[-1]\\n )\\n else:\\n if not package.endswith(\".json\"):\\n if not package.endswith(\"/\"):\\n package += \"/\"\\n package += \"package.json\"\\n print(\"Installing {} to {}\".format(package, target))\\n else:\\n if not version:\\n version = 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