def install(pypmenv, requirements, nodeps=False, hint_upgrade=False, skip_missing=False):
"""Install the given requirements into ``pypmenv.pyenv``
- requirements: List of requirement strings
- nodeps: don't install dependencies automatically
- hint_upgrade: don't print 'skipping' messages
- skip_missing: proceed installing others when some are missing.
"""
depgraph = installer.PyPMDepGraph(pypmenv)
for rs in requirements:
r = Requirement.parse(rs)
try:
added = depgraph.add_requirement(r, nodeps=nodeps)
if not added and not hint_upgrade:
LOG.info('skipping "%s"; already installed at %s',
rs, pypmenv.pyenv.printable_location)
except error.PackageNotFound as e:
if e.required_by is None and skip_missing:
# just warn of missing packages (unless it is a missing
# dependency); allow other packages to be installed.
if not hint_upgrade:
LOG.warn(e)
else:
raise
return installer.Installer(pypmenv).apply(depgraph)
def uninstall(pypmenv, names, nodeps=False):
depgraph = installer.PyPMDepGraph(pypmenv)
for name in names:
if not depgraph.has_package(name):
LOG.info('skipping "%s"; not installed', name)
else:
depgraph.remove_package(name, nodeps=nodeps)
return installer.Installer(pypmenv).apply(
depgraph, _requested_rmlist=names)
def _do_depgraph(self, subcmd, opts, *names):
"""${cmd_name}: Show the dependency graph
${cmd_usage}
${cmd_option_list}
"""
with self.bootstrapped():
depgraph = installer.PyPMDepGraph(self.pypmenv)
for name in names:
name = six.u(name)
if opts.remove:
depgraph.remove_package(name)
else:
depgraph.add_requirement(Requirement.parse(name))
depgraph.display()
return depgraph
def do_show(self, subcmd, opts, name, version=None):
"""${cmd_name}: Display detailed information about a package
If the package is already installed, show the location of the
site-packages directory under which it is installed.
${cmd_usage}
${cmd_option_list}
"""
with self.bootstrapped():
self._autosync()
pkg = self.pypmenv.repo_store.find_package(name, version)
dependencies = pkg.install_requires['']
extra_dependencies = []
for extra in pkg.install_requires:
if extra == '': continue
extra_dependencies.append('`pypm install {0}[{1}]` ->\n {2}'.format(
pkg.name,
extra,
',\n '.join(pkg.install_requires[extra])))
# Show package metadata
LOG.info('Name: %s', pkg.name)
LOG.info('Latest version: %s', pkg.printable_version)
if pkg.author or pkg.author_email:
LOG.info('Author: %s %s',
pkg.author,
pkg.author_email and '<%s>' % pkg.author_email or '')
LOG.info('Summary: %s', pkg.summary)
if pkg.home_page:
LOG.info('Home Page: %s', pkg.home_page)
if pkg.license:
LOG.info('License: %s', pkg.license)
# Show package dependencies
if dependencies:
LOG.info('Dependencies:')
for dep in dependencies:
LOG.info(' %s', dep)
if extra_dependencies:
LOG.info('Optional dependencies:')
for ed in extra_dependencies:
LOG.info(' %s', ed)
# Optionally, show packages depending on it
if opts.rdepends:
LOG.info('Depended by:')
rdependencies = {}
for rpkg in self.pypmenv.repo_store._query():
for req in rpkg.install_requires['']:
req = Requirement.parse(req)
if pkg.name == req_name(req):
if pkg.version in req:
prev_rpkg = rdependencies.get(rpkg.name, None)
if (not prev_rpkg) or (
rpkg.version_key > prev_rpkg.version_key):
rdependencies[rpkg.name] = rpkg
if rdependencies:
LOG.info(wrapped(
', '.join(sorted(
[p.full_name for p in rdependencies.values()])),
prefix=' ',
break_on_hyphens=False))
# Show list of (older) versions available in the repository
if not version:
pkglist = self.pypmenv.repo_store.find_package_releases(name)
LOG.info('Available versions: %s', ', '.join(
[p.printable_version for p in pkglist]))
# Status: is this package installed or not? Does it require BE?
try:
ipkg = self.pypmenv.installed_store.find_only_package(name)
except error.NoPackageInstalled:
LOG.info('Status: Not installed')
if pkg.requires_be_license and not licensing.user_has_be_license():
LOG.info(
'NOTE: This package requires a valid Business Edition '
'license. Please visit %s for more details.',
licensing.BE_HOME_PAGE)
else:
# Is this package installed because another package?
depgraph = installer.PyPMDepGraph(self.pypmenv)
required_by = depgraph.edges[ipkg.name].items()
if required_by:
LOG.info('Required by:')
for rpkg, rl in required_by:
LOG.info(' %s [%s]', rpkg, req2str(*rl))
LOG.info('Status: Already installed (%s) at %s',
ipkg.printable_version,
self.pypmenv.pyenv.printable_location)
# Is a newer version available for upgrade?
if ipkg.version_key < pkg.version_key:
# TODO: Need --force
LOG.info('Status: '
'A newer version (%s) is available. '
'Type "pypm install %s" to upgrade',
pkg.printable_version,
pkg.name)
# Show postinstall notes for this package
for note in pkg.get_notes(postinstall=True):
LOG.info('***NOTE***: %s', note['content'].strip())
if opts.open_home_page:
import webbrowser
u = 'http://code.activestate.com/pypm/{0}/'.format(pkg.name)
webbrowser.open(pkg.home_page or u)
return pkg
