/
show.py
398 lines (319 loc) · 13.7 KB
/
show.py
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# -*- coding: utf-8 -*-
from cleo import argument
from cleo import option
from .env_command import EnvCommand
class ShowCommand(EnvCommand):
name = "show"
description = "Shows information about packages."
arguments = [argument("package", "The package to inspect", optional=True)]
options = [
option("no-dev", None, "Do not list the development dependencies."),
option("tree", "t", "List the dependencies as a tree."),
option("latest", "l", "Show the latest version."),
option(
"outdated",
"o",
"Show the latest version but only for packages that are outdated.",
),
option(
"all",
"a",
"Show all packages (even those not compatible with current system).",
),
]
help = """The show command displays detailed information about a package, or
lists all packages available."""
colors = ["cyan", "yellow", "green", "magenta", "blue"]
def handle(self):
from clikit.utils.terminal import Terminal
from poetry.core.semver import Version
from poetry.repositories.installed_repository import InstalledRepository
from poetry.utils.helpers import get_package_version_display_string
package = self.argument("package")
if self.option("tree"):
self.init_styles(self.io)
if self.option("outdated"):
self._args.set_option("latest", True)
include_dev = not self.option("no-dev")
locked_repo = self.poetry.locker.locked_repository(include_dev)
# Show tree view if requested
if self.option("tree") and not package:
requires = self.poetry.package.requires + self.poetry.package.dev_requires
packages = locked_repo.packages
for package in packages:
for require in requires:
if package.name == require.name:
self.display_package_tree(self._io, package, locked_repo)
break
return 0
table = self.table(style="compact")
# table.style.line_vc_char = ""
locked_packages = locked_repo.packages
if package:
pkg = None
for locked in locked_packages:
if package.lower() == locked.name:
pkg = locked
break
if not pkg:
raise ValueError("Package {} not found".format(package))
if self.option("tree"):
self.display_package_tree(self.io, pkg, locked_repo)
return 0
rows = [
["<info>name</>", " : <c1>{}</>".format(pkg.pretty_name)],
["<info>version</>", " : <b>{}</b>".format(pkg.pretty_version)],
["<info>description</>", " : {}".format(pkg.description)],
]
table.add_rows(rows)
table.render(self.io)
if pkg.requires:
self.line("")
self.line("<info>dependencies</info>")
for dependency in pkg.requires:
self.line(
" - <c1>{}</c1> <b>{}</b>".format(
dependency.pretty_name, dependency.pretty_constraint
)
)
return 0
show_latest = self.option("latest")
show_all = self.option("all")
terminal = Terminal()
width = terminal.width
name_length = version_length = latest_length = 0
latest_packages = {}
latest_statuses = {}
installed_repo = InstalledRepository.load(self.env)
skipped = []
python = Version.parse(".".join([str(i) for i in self.env.version_info[:3]]))
# Computing widths
for locked in locked_packages:
python_constraint = locked.python_constraint
if not python_constraint.allows(python) or not self.env.is_valid_for_marker(
locked.marker
):
skipped.append(locked)
if not show_all:
continue
current_length = len(locked.pretty_name)
if not self._io.output.supports_ansi():
installed_status = self.get_installed_status(locked, installed_repo)
if installed_status == "not-installed":
current_length += 4
if show_latest:
latest = self.find_latest_package(locked, include_dev)
if not latest:
latest = locked
latest_packages[locked.pretty_name] = latest
update_status = latest_statuses[
locked.pretty_name
] = self.get_update_status(latest, locked)
if not self.option("outdated") or update_status != "up-to-date":
name_length = max(name_length, current_length)
version_length = max(
version_length,
len(
get_package_version_display_string(
locked, root=self.poetry.file.parent
)
),
)
latest_length = max(
latest_length,
len(
get_package_version_display_string(
latest, root=self.poetry.file.parent
)
),
)
else:
name_length = max(name_length, current_length)
version_length = max(
version_length,
len(
get_package_version_display_string(
locked, root=self.poetry.file.parent
)
),
)
write_version = name_length + version_length + 3 <= width
write_latest = name_length + version_length + latest_length + 3 <= width
write_description = name_length + version_length + latest_length + 24 <= width
for locked in locked_packages:
color = "cyan"
name = locked.pretty_name
install_marker = ""
if locked in skipped:
if not show_all:
continue
color = "black;options=bold"
else:
installed_status = self.get_installed_status(locked, installed_repo)
if installed_status == "not-installed":
color = "red"
if not self._io.output.supports_ansi():
# Non installed in non decorated mode
install_marker = " (!)"
if (
show_latest
and self.option("outdated")
and latest_statuses[locked.pretty_name] == "up-to-date"
):
continue
line = "<fg={}>{:{}}{}</>".format(
color, name, name_length - len(install_marker), install_marker
)
if write_version:
line += " <b>{:{}}</b>".format(
get_package_version_display_string(
locked, root=self.poetry.file.parent
),
version_length,
)
if show_latest:
latest = latest_packages[locked.pretty_name]
update_status = latest_statuses[locked.pretty_name]
if write_latest:
color = "green"
if update_status == "semver-safe-update":
color = "red"
elif update_status == "update-possible":
color = "yellow"
line += " <fg={}>{:{}}</>".format(
color,
get_package_version_display_string(
latest, root=self.poetry.file.parent
),
latest_length,
)
if write_description:
description = locked.description
remaining = width - name_length - version_length - 4
if show_latest:
remaining -= latest_length
if len(locked.description) > remaining:
description = description[: remaining - 3] + "..."
line += " " + description
self.line(line)
def display_package_tree(self, io, package, installed_repo):
io.write("<c1>{}</c1>".format(package.pretty_name))
description = ""
if package.description:
description = " " + package.description
io.write_line(" <b>{}</b>{}".format(package.pretty_version, description))
dependencies = package.requires
dependencies = sorted(dependencies, key=lambda x: x.name)
tree_bar = "├"
j = 0
total = len(dependencies)
for dependency in dependencies:
j += 1
if j == total:
tree_bar = "└"
level = 1
color = self.colors[level]
info = "{tree_bar}── <{color}>{name}</{color}> {constraint}".format(
tree_bar=tree_bar,
color=color,
name=dependency.name,
constraint=dependency.pretty_constraint,
)
self._write_tree_line(io, info)
tree_bar = tree_bar.replace("└", " ")
packages_in_tree = [package.name, dependency.name]
self._display_tree(
io, dependency, installed_repo, packages_in_tree, tree_bar, level + 1
)
def _display_tree(
self,
io,
dependency,
installed_repo,
packages_in_tree,
previous_tree_bar="├",
level=1,
):
previous_tree_bar = previous_tree_bar.replace("├", "│")
dependencies = []
for package in installed_repo.packages:
if package.name == dependency.name:
dependencies = package.requires
break
dependencies = sorted(dependencies, key=lambda x: x.name)
tree_bar = previous_tree_bar + " ├"
i = 0
total = len(dependencies)
for dependency in dependencies:
i += 1
current_tree = packages_in_tree
if i == total:
tree_bar = previous_tree_bar + " └"
color_ident = level % len(self.colors)
color = self.colors[color_ident]
circular_warn = ""
if dependency.name in current_tree:
circular_warn = "(circular dependency aborted here)"
info = "{tree_bar}── <{color}>{name}</{color}> {constraint} {warn}".format(
tree_bar=tree_bar,
color=color,
name=dependency.name,
constraint=dependency.pretty_constraint,
warn=circular_warn,
)
self._write_tree_line(io, info)
tree_bar = tree_bar.replace("└", " ")
if dependency.name not in current_tree:
current_tree.append(dependency.name)
self._display_tree(
io, dependency, installed_repo, current_tree, tree_bar, level + 1
)
def _write_tree_line(self, io, line):
if not io.output.supports_ansi():
line = line.replace("└", "`-")
line = line.replace("├", "|-")
line = line.replace("──", "-")
line = line.replace("│", "|")
io.write_line(line)
def init_styles(self, io):
from clikit.api.formatter import Style
for color in self.colors:
style = Style(color).fg(color)
io.output.formatter.add_style(style)
io.error_output.formatter.add_style(style)
def find_latest_package(self, package, include_dev):
from clikit.io import NullIO
from poetry.puzzle.provider import Provider
from poetry.version.version_selector import VersionSelector
# find the latest version allowed in this pool
if package.source_type in ("git", "file", "directory"):
requires = self.poetry.package.requires
if include_dev:
requires = requires + self.poetry.package.dev_requires
for dep in requires:
if dep.name == package.name:
provider = Provider(self.poetry.package, self.poetry.pool, NullIO())
if dep.is_vcs():
return provider.search_for_vcs(dep)[0]
if dep.is_file():
return provider.search_for_file(dep)[0]
if dep.is_directory():
return provider.search_for_directory(dep)[0]
name = package.name
selector = VersionSelector(self.poetry.pool)
return selector.find_best_candidate(name, ">={}".format(package.pretty_version))
def get_update_status(self, latest, package):
from poetry.core.semver import parse_constraint
if latest.full_pretty_version == package.full_pretty_version:
return "up-to-date"
constraint = parse_constraint("^" + package.pretty_version)
if latest.version and constraint.allows(latest.version):
# It needs an immediate semver-compliant upgrade
return "semver-safe-update"
# it needs an upgrade but has potential BC breaks so is not urgent
return "update-possible"
def get_installed_status(self, locked, installed_repo):
for package in installed_repo.packages:
if locked.name == package.name:
return "installed"
return "not-installed"