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uploader.py
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uploader.py
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from __future__ import annotations
import hashlib
import io
from pathlib import Path
from typing import TYPE_CHECKING
from typing import Any
import requests
from poetry.core.masonry.metadata import Metadata
from poetry.core.masonry.utils.helpers import escape_name
from requests import adapters
from requests.exceptions import ConnectionError
from requests.exceptions import HTTPError
from requests_toolbelt import user_agent
from requests_toolbelt.multipart import MultipartEncoder
from requests_toolbelt.multipart import MultipartEncoderMonitor
from urllib3 import util
from poetry.__version__ import __version__
from poetry.utils.constants import REQUESTS_TIMEOUT
from poetry.utils.patterns import wheel_file_re
if TYPE_CHECKING:
from cleo.io.io import IO
from poetry.poetry import Poetry
_has_blake2 = hasattr(hashlib, "blake2b")
class UploadError(Exception):
def __init__(self, error: ConnectionError | HTTPError | str) -> None:
if isinstance(error, HTTPError):
message = (
f"HTTP Error {error.response.status_code}: {error.response.reason} |"
f" {error.response.content!r}"
)
elif isinstance(error, ConnectionError):
message = (
"Connection Error: We were unable to connect to the repository, "
"ensure the url is correct and can be reached."
)
else:
message = str(error)
super().__init__(message)
class Uploader:
def __init__(self, poetry: Poetry, io: IO) -> None:
self._poetry = poetry
self._package = poetry.package
self._io = io
self._username: str | None = None
self._password: str | None = None
@property
def user_agent(self) -> str:
agent: str = user_agent("poetry", __version__)
return agent
@property
def adapter(self) -> adapters.HTTPAdapter:
retry = util.Retry(
connect=5,
total=10,
allowed_methods=["GET"],
status_forcelist=[500, 501, 502, 503],
)
return adapters.HTTPAdapter(max_retries=retry)
@property
def files(self) -> list[Path]:
dist = self._poetry.file.parent / "dist"
version = self._package.version.to_string()
wheels = list(
dist.glob(f"{escape_name(self._package.pretty_name)}-{version}-*.whl")
)
tars = list(dist.glob(f"{self._package.pretty_name}-{version}.tar.gz"))
return sorted(wheels + tars)
def auth(self, username: str | None, password: str | None) -> None:
self._username = username
self._password = password
def make_session(self) -> requests.Session:
session = requests.session()
auth = self.get_auth()
if auth is not None:
session.auth = auth
session.headers["User-Agent"] = self.user_agent
for scheme in ("http://", "https://"):
session.mount(scheme, self.adapter)
return session
def get_auth(self) -> tuple[str, str] | None:
if self._username is None or self._password is None:
return None
return (self._username, self._password)
def upload(
self,
url: str,
cert: Path | bool = True,
client_cert: Path | None = None,
dry_run: bool = False,
skip_existing: bool = False,
) -> None:
session = self.make_session()
session.verify = str(cert) if isinstance(cert, Path) else cert
if client_cert:
session.cert = str(client_cert)
try:
self._upload(session, url, dry_run, skip_existing)
finally:
session.close()
def post_data(self, file: Path) -> dict[str, Any]:
meta = Metadata.from_package(self._package)
file_type = self._get_type(file)
if _has_blake2:
blake2_256_hash = hashlib.blake2b(digest_size=256 // 8)
md5_hash = hashlib.md5()
sha256_hash = hashlib.sha256()
with file.open("rb") as fp:
for content in iter(lambda: fp.read(io.DEFAULT_BUFFER_SIZE), b""):
md5_hash.update(content)
sha256_hash.update(content)
if _has_blake2:
blake2_256_hash.update(content)
md5_digest = md5_hash.hexdigest()
sha2_digest = sha256_hash.hexdigest()
blake2_256_digest: str | None = None
if _has_blake2:
blake2_256_digest = blake2_256_hash.hexdigest()
py_version: str | None = None
if file_type == "bdist_wheel":
wheel_info = wheel_file_re.match(file.name)
if wheel_info is not None:
py_version = wheel_info.group("pyver")
data = {
# identify release
"name": meta.name,
"version": meta.version,
# file content
"filetype": file_type,
"pyversion": py_version,
# additional meta-data
"metadata_version": meta.metadata_version,
"summary": meta.summary,
"home_page": meta.home_page,
"author": meta.author,
"author_email": meta.author_email,
"maintainer": meta.maintainer,
"maintainer_email": meta.maintainer_email,
"license": meta.license,
"description": meta.description,
"keywords": meta.keywords,
"platform": meta.platforms,
"classifiers": meta.classifiers,
"download_url": meta.download_url,
"supported_platform": meta.supported_platforms,
"comment": None,
"md5_digest": md5_digest,
"sha256_digest": sha2_digest,
"blake2_256_digest": blake2_256_digest,
# PEP 314
"provides": meta.provides,
"requires": meta.requires,
"obsoletes": meta.obsoletes,
# Metadata 1.2
"project_urls": meta.project_urls,
"provides_dist": meta.provides_dist,
"obsoletes_dist": meta.obsoletes_dist,
"requires_dist": meta.requires_dist,
"requires_external": meta.requires_external,
"requires_python": meta.requires_python,
}
# Metadata 2.1
if meta.description_content_type:
data["description_content_type"] = meta.description_content_type
# TODO: Provides extra
return data
def _upload(
self,
session: requests.Session,
url: str,
dry_run: bool = False,
skip_existing: bool = False,
) -> None:
for file in self.files:
self._upload_file(session, url, file, dry_run, skip_existing)
def _upload_file(
self,
session: requests.Session,
url: str,
file: Path,
dry_run: bool = False,
skip_existing: bool = False,
) -> None:
from cleo.ui.progress_bar import ProgressBar
if not file.is_file():
raise UploadError(f"Archive ({file}) does not exist")
data = self.post_data(file)
data.update(
{
# action
":action": "file_upload",
"protocol_version": "1",
}
)
data_to_send: list[tuple[str, Any]] = self._prepare_data(data)
with file.open("rb") as fp:
data_to_send.append(
("content", (file.name, fp, "application/octet-stream"))
)
encoder = MultipartEncoder(data_to_send)
bar = ProgressBar(self._io, max=encoder.len)
bar.set_format(f" - Uploading <c1>{file.name}</c1> <b>%percent%%</b>")
monitor = MultipartEncoderMonitor(
encoder, lambda monitor: bar.set_progress(monitor.bytes_read)
)
bar.start()
resp = None
try:
if not dry_run:
resp = session.post(
url,
data=monitor,
allow_redirects=False,
headers={"Content-Type": monitor.content_type},
timeout=REQUESTS_TIMEOUT,
)
if resp is None or 200 <= resp.status_code < 300:
bar.set_format(
f" - Uploading <c1>{file.name}</c1> <fg=green>%percent%%</>"
)
bar.finish()
elif resp.status_code == 301:
if self._io.output.is_decorated():
self._io.overwrite(
f" - Uploading <c1>{file.name}</c1> <error>FAILED</>"
)
raise UploadError(
"Redirects are not supported. "
"Is the URL missing a trailing slash?"
)
elif resp.status_code == 400 and "was ever registered" in resp.text:
self._register(session, url)
resp.raise_for_status()
elif skip_existing and self._is_file_exists_error(resp):
bar.set_format(
f" - Uploading <c1>{file.name}</c1> <warning>File exists."
" Skipping</>"
)
bar.display()
else:
resp.raise_for_status()
except (requests.ConnectionError, requests.HTTPError) as e:
if self._io.output.is_decorated():
self._io.overwrite(
f" - Uploading <c1>{file.name}</c1> <error>FAILED</>"
)
raise UploadError(e)
finally:
self._io.write_line("")
def _register(self, session: requests.Session, url: str) -> requests.Response:
"""
Register a package to a repository.
"""
dist = self._poetry.file.parent / "dist"
file = dist / f"{self._package.name}-{self._package.version.to_string()}.tar.gz"
if not file.exists():
raise RuntimeError(f'"{file.name}" does not exist.')
data = self.post_data(file)
data.update({":action": "submit", "protocol_version": "1"})
data_to_send = self._prepare_data(data)
encoder = MultipartEncoder(data_to_send)
resp = session.post(
url,
data=encoder,
allow_redirects=False,
headers={"Content-Type": encoder.content_type},
timeout=REQUESTS_TIMEOUT,
)
resp.raise_for_status()
return resp
def _prepare_data(self, data: dict[str, Any]) -> list[tuple[str, str]]:
data_to_send = []
for key, value in data.items():
if not isinstance(value, (list, tuple)):
data_to_send.append((key, value))
else:
for item in value:
data_to_send.append((key, item))
return data_to_send
def _get_type(self, file: Path) -> str:
exts = file.suffixes
if exts[-1] == ".whl":
return "bdist_wheel"
elif len(exts) >= 2 and "".join(exts[-2:]) == ".tar.gz":
return "sdist"
raise ValueError("Unknown distribution format " + "".join(exts))
def _is_file_exists_error(self, response: requests.Response) -> bool:
# based on https://github.com/pypa/twine/blob/a6dd69c79f7b5abfb79022092a5d3776a499e31b/twine/commands/upload.py#L32 # noqa: E501
status = response.status_code
reason = response.reason.lower()
text = response.text.lower()
reason_and_text = reason + text
return (
# pypiserver (https://pypi.org/project/pypiserver)
status == 409
# PyPI / TestPyPI / GCP Artifact Registry
or (status == 400 and "already exist" in reason_and_text)
# Nexus Repository OSS (https://www.sonatype.com/nexus-repository-oss)
or (status == 400 and "updating asset" in reason_and_text)
# Artifactory (https://jfrog.com/artifactory/)
or (status == 403 and "overwrite artifact" in reason_and_text)
# Gitlab Enterprise Edition (https://about.gitlab.com)
or (status == 400 and "already been taken" in reason_and_text)
)