def installsuggested(args):
"""Install a package and its Suggests dependencies"""
cache = apt.cache.Cache()
package = util.package_exists(cache, args.package,
ignore_virtual_packages=True)
dependencies = list(util.extract_dependencies(package, "Suggests"))
for n, dependency in enumerate(dependencies):
dependencies[n] = util.package_exists(cache, dependency).shortname
dependencies = " ".join(dependencies)
command = "/usr/bin/apt-get {} {} {} --auto-remove install {} {}"
command = command.format(args.recommends, args.yes, args.noauth,
dependencies, args.package)
perform.execute(command, root=True, log=True)
def installsuggested(args):
"""Install a package and its Suggests dependencies"""
cache = apt.cache.Cache()
package = util.package_exists(cache, args.package,
ignore_virtual_packages=True)
dependencies = list(util.extract_dependencies(package, "Suggests"))
for n, dependency in enumerate(dependencies):
dependencies[n] = util.package_exists(cache, dependency).shortname
dependencies = " ".join(dependencies)
command = "/usr/bin/apt-get {} {} {} --auto-remove install {} {}"
command = command.format(args.recommends, args.yes, args.noauth,
dependencies, args.package)
perform.execute(command, root=True, log=True)
def dependents(args):
"""Display packages which have some form of dependency on the given package
Types of dependencies:
* Depends
* Recommends
* Suggests
* Replaces
* Enhances"""
DEPENDENCY_TYPES = [
"Depends",
"Recommends",
"Suggests",
"Replaces",
"Enhances",
]
cache = apt.cache.Cache()
package = util.package_exists(cache, args.package)
dependents = { name : [] for name in DEPENDENCY_TYPES }
for key in cache.keys():
other_package = cache[key]
for dependency_type, specific_dependents in dependents.items():
if package.shortname in \
util.extract_dependencies(other_package, dependency_type):
specific_dependents.append(other_package.shortname)
for dependency_type, specific_dependents in dependents.items():
if specific_dependents:
output = dependency_type.upper(), " ".join(specific_dependents)
print("{}: {}".format(*output))
def dependents(args):
"""Display packages which have some form of dependency on the given package
Types of dependencies:
* Depends
* Recommends
* Suggests
* Replaces
* Enhances
"""
DEPENDENCY_TYPES = [
"Depends",
"Recommends",
"Suggests",
"Replaces",
"Enhances",
]
cache = apt.cache.Cache()
package = util.package_exists(cache, args.package)
dependents = {name : [] for name in DEPENDENCY_TYPES}
for key in cache.keys():
other_package = cache[key]
for dependency_type, specific_dependents in dependents.items():
if package.shortname in \
util.extract_dependencies(other_package, dependency_type):
specific_dependents.append(other_package.shortname)
for dependency_type, specific_dependents in dependents.items():
if specific_dependents:
print("{}: {}".format(
dependency_type.upper(), " ".join(specific_dependents)
))
def changelog(args):
"""Display Debian changelog of a package
network on:
changelog - if there's newer entries, display them
-v changelog - if there's newer entries, display them, and proceed to
display complete local changelog
network off:
changelog - if there's newer entries, mention failure to retrieve
-v changelog - if there's newer entries, mention failure to retrieve, and
proceed to display complete local changelog
"""
package = util.package_exists(apt.Cache(), args.package)
changelog = "{:=^79}\n".format(" {} ".format(args.package)) # header
try:
changelog += package.get_changelog()
except AttributeError:
# This is caught so as to avoid an ugly python-apt trace; it's a bug
# that surfaces when:
# 1. The package is not available in the default Debian suite
# 2. The suite the package belongs to is set to a pin of < 0
print("If this package is not on your default Debian suite, " \
"ensure that its APT pinning isn't less than 0.")
return
help_message = "\nTo display the local changelog, run:\n" \
"wajig changelog --verbose " + args.package
if "Failed to download the list of changes" in changelog:
if not args.verbose:
changelog += help_message
else:
changelog += "\n"
elif changelog.endswith("The list of changes is not available"):
changelog += ".\nYou are likely running the latest version.\n"
if not args.verbose:
changelog += help_message
if not args.verbose:
print(changelog)
else:
tmp = tempfile.mkstemp()[1]
with open(tmp, "w") as f:
if package.is_installed:
changelog += "{:=^79}\n".format(" local changelog ")
f.write(changelog)
if package.is_installed:
command = util.local_changelog(args.package, tmp)
if not command:
return
perform.execute(command)
with open(tmp) as f:
for line in f:
try:
print(line, end="")
except BrokenPipeError:
return
def changelog(args):
"""Display Debian changelog of a package
network on:
changelog - if there's newer entries, display them
-v changelog - if there's newer entries, display them, and proceed to
display complete local changelog
network off:
changelog - if there's newer entries, mention failure to retrieve
-v changelog - if there's newer entries, mention failure to retrieve, and
proceed to display complete local changelog"""
package = util.package_exists(apt.Cache(), args.package)
changelog = "{:=^79}\n".format(" {} ".format(args.package)) # header
try:
changelog += package.get_changelog()
except AttributeError as e:
# This is caught so as to avoid an ugly python-apt trace; it's a bug
# that surfaces when:
# 1. The package is not available in the default Debian suite
# 2. The suite the package belongs to is set to a pin of < 0
print("If this package is not on your default Debian suite, " \
"ensure that its APT pinning isn't less than 0.")
return
help_message = "\nTo display the local changelog, run:\n" \
"wajig changelog --verbose " + args.package
if "Failed to download the list of changes" in changelog:
if not args.verbose:
changelog += help_message
else:
changelog += "\n"
elif changelog.endswith("The list of changes is not available"):
changelog += ".\nYou are likely running the latest version.\n"
if not args.verbose:
changelog += help_message
if not args.verbose:
print(changelog)
else:
tmp = tempfile.mkstemp()[1]
with open(tmp, "w") as f:
if package.is_installed:
changelog += "{:=^79}\n".format(" local changelog ")
f.write(changelog)
if package.is_installed:
command = util.local_changelog(args.package, tmp)
if not command:
return
perform.execute(command)
with open(tmp) as f:
for line in f:
print(line, end="")
def recdownload(args):
"""Download a package and all its dependencies"""
package_names = list()
cache = apt.cache.Cache()
for package in args.packages:
util.package_exists(cache, package)
print("Calculating all dependencies...")
for package in args.packages:
package_names.extend(util.get_deps_recursively(cache, package, []))
print("Packages to download to /var/cache/apt/archives:")
for package in package_names:
# We do this because apt-get install dont list the packages to
# reinstall if they don't need to be upgraded
print(package, end=' ')
print()
command = "/usr/bin/apt-get --download-only --reinstall -u install " + args.noauth
command += " ".join(package_names)
perform.execute(command, root=True)
def recdownload(args):
"""Download a package and all its dependencies"""
package_names = list()
cache = apt.cache.Cache()
for package in args.packages:
util.package_exists(cache, package)
print("Calculating all dependencies...")
for package in args.packages:
package_names.extend(util.get_deps_recursively(cache, package, []))
print("Packages to download to /var/cache/apt/archives:")
for package in package_names:
# We do this because apt-get install dont list the packages to
# reinstall if they don't need to be upgraded
print(package, end=' ')
print()
command = "/usr/bin/apt-get --download-only --reinstall -u install {} {}"
command = command.format(args.noauth, " ".join(package_names))
perform.execute(command, root=True)
def test_util_package_exists(self):
cache = apt.Cache()
self.assertIsInstance(util.package_exists(cache, "dpkg"),
apt.package.Package)
self.assertFalse(util.package_exists(cache, "no_such", test=True))