diff options
Diffstat (limited to 'venv/lib/python3.11/site-packages/pip/_internal/commands/search.py')
| -rw-r--r-- | venv/lib/python3.11/site-packages/pip/_internal/commands/search.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/commands/search.py b/venv/lib/python3.11/site-packages/pip/_internal/commands/search.py new file mode 100644 index 0000000..03ed925 --- /dev/null +++ b/venv/lib/python3.11/site-packages/pip/_internal/commands/search.py @@ -0,0 +1,174 @@ +import logging +import shutil +import sys +import textwrap +import xmlrpc.client +from collections import OrderedDict +from optparse import Values +from typing import TYPE_CHECKING, Dict, List, Optional + +from pip._vendor.packaging.version import parse as parse_version + +from pip._internal.cli.base_command import Command +from pip._internal.cli.req_command import SessionCommandMixin +from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS +from pip._internal.exceptions import CommandError +from pip._internal.metadata import get_default_environment +from pip._internal.models.index import PyPI +from pip._internal.network.xmlrpc import PipXmlrpcTransport +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import write_output + +if TYPE_CHECKING: + from typing import TypedDict + + class TransformedHit(TypedDict): + name: str + summary: str + versions: List[str] + + +logger = logging.getLogger(__name__) + + +class SearchCommand(Command, SessionCommandMixin): + """Search for PyPI packages whose name or summary contains <query>.""" + + usage = """ + %prog [options] <query>""" + ignore_require_venv = True + + def add_options(self) -> None: + self.cmd_opts.add_option( + "-i", + "--index", + dest="index", + metavar="URL", + default=PyPI.pypi_url, + help="Base URL of Python Package Index (default %default)", + ) + + self.parser.insert_option_group(0, self.cmd_opts) + + def run(self, options: Values, args: List[str]) -> int: + if not args: + raise CommandError("Missing required argument (search query).") + query = args + pypi_hits = self.search(query, options) + hits = transform_hits(pypi_hits) + + terminal_width = None + if sys.stdout.isatty(): + terminal_width = shutil.get_terminal_size()[0] + + print_results(hits, terminal_width=terminal_width) + if pypi_hits: + return SUCCESS + return NO_MATCHES_FOUND + + def search(self, query: List[str], options: Values) -> List[Dict[str, str]]: + index_url = options.index + + session = self.get_default_session(options) + + transport = PipXmlrpcTransport(index_url, session) + pypi = xmlrpc.client.ServerProxy(index_url, transport) + try: + hits = pypi.search({"name": query, "summary": query}, "or") + except xmlrpc.client.Fault as fault: + message = "XMLRPC request failed [code: {code}]\n{string}".format( + code=fault.faultCode, + string=fault.faultString, + ) + raise CommandError(message) + assert isinstance(hits, list) + return hits + + +def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]: + """ + The list from pypi is really a list of versions. We want a list of + packages with the list of versions stored inline. This converts the + list from pypi into one we can use. + """ + packages: Dict[str, "TransformedHit"] = OrderedDict() + for hit in hits: + name = hit["name"] + summary = hit["summary"] + version = hit["version"] + + if name not in packages.keys(): + packages[name] = { + "name": name, + "summary": summary, + "versions": [version], + } + else: + packages[name]["versions"].append(version) + + # if this is the highest version, replace summary and score + if version == highest_version(packages[name]["versions"]): + packages[name]["summary"] = summary + + return list(packages.values()) + + +def print_dist_installation_info(name: str, latest: str) -> None: + env = get_default_environment() + dist = env.get_distribution(name) + if dist is not None: + with indent_log(): + if dist.version == latest: + write_output("INSTALLED: %s (latest)", dist.version) + else: + write_output("INSTALLED: %s", dist.version) + if parse_version(latest).pre: + write_output( + "LATEST: %s (pre-release; install" + " with `pip install --pre`)", + latest, + ) + else: + write_output("LATEST: %s", latest) + + +def print_results( + hits: List["TransformedHit"], + name_column_width: Optional[int] = None, + terminal_width: Optional[int] = None, +) -> None: + if not hits: + return + if name_column_width is None: + name_column_width = ( + max( + [ + len(hit["name"]) + len(highest_version(hit.get("versions", ["-"]))) + for hit in hits + ] + ) + + 4 + ) + + for hit in hits: + name = hit["name"] + summary = hit["summary"] or "" + latest = highest_version(hit.get("versions", ["-"])) + if terminal_width is not None: + target_width = terminal_width - name_column_width - 5 + if target_width > 10: + # wrap and indent summary to fit terminal + summary_lines = textwrap.wrap(summary, target_width) + summary = ("\n" + " " * (name_column_width + 3)).join(summary_lines) + + name_latest = f"{name} ({latest})" + line = f"{name_latest:{name_column_width}} - {summary}" + try: + write_output(line) + print_dist_installation_info(name, latest) + except UnicodeEncodeError: + pass + + +def highest_version(versions: List[str]) -> str: + return max(versions, key=parse_version) |