def remove():
""" Remove the given requirement.
Parameter is expected to be a JSON UTF8 encoded bytestring passed through
stdin.
"""
json_string = _read_stdin_as_bytes()
config, requirement = install_parse_json_string(json_string)
session = Session.authenticated_from_configuration(config)
repository = repository_factory(session, config.repositories)
progress_bar_context = ProgressBarContext(console_progress_manager_factory,
fetch=fetch_progress_factory)
enpkg = Enpkg(repository, session, [sys.prefix], progress_bar_context, False)
solver = enpkg._solver_factory()
try:
request = Request()
request.remove(requirement)
enpkg.execute(solver.resolve(request))
except NotInstalledPackage as e:
print(str(e))
def dispatch_commands_with_enpkg(args, enpkg, config, prefix, session, parser,
pat):
if args.dry_run:
def print_actions(actions):
for item in actions:
print('%-8s %s' % item)
enpkg.execute = print_actions
if args.imports: # --imports
repository = Repository._from_prefixes(enpkg.prefixes)
imports_option(repository)
return
if args.revert: # --revert
revert(enpkg, args.revert)
return
# Try to auto-update enstaller
if config.autoupdate:
if update_enstaller(session, enpkg._remote_repository, args):
print("Enstaller has been updated.\n"
"Please re-run your previous command.")
return
if args.search: # --search
search(enpkg._remote_repository, enpkg._installed_repository,
config, session, pat)
return
if args.info: # --info
if len(args.cnames) != 1:
parser.error("Option requires one argument (name of package)")
info_option(enpkg._remote_repository, enpkg._installed_repository,
args.cnames[0])
return
if args.whats_new: # --whats-new
whats_new(enpkg._remote_repository, enpkg._installed_repository)
return
if args.update_all: # --update-all
update_all(enpkg, config, args)
return
if args.requirements:
install_from_requirements(enpkg, config, args)
return
if len(args.cnames) == 0 and not args.remove_enstaller:
parser.error("Requirement(s) missing")
elif len(args.cnames) == 2:
pat = re.compile(r'\d+\.\d+')
if pat.match(args.cnames[1]):
args.cnames = ['-'.join(args.cnames)]
reqs = _compute_reqs(args.cnames)
# This code assumes we have already upgraded enstaller if needed
if needs_to_downgrade_enstaller(reqs):
msg = "Enstaller in requirement list: enstaller will be downgraded !"
warnings.warn(msg)
else:
logger.debug("Enstaller is up to date, not updating")
reqs = [req for req in reqs if req.name != "enstaller"]
logger.info("Requirements:")
for req in reqs:
logger.info(' %r', req)
logger.info("prefix: %r", prefix)
REMOVE_ENSTALLER_WARNING = ("Removing enstaller package will break enpkg "
"and is not recommended.")
if args.remove:
if any(req.name == 'enstaller' for req in reqs):
print(REMOVE_ENSTALLER_WARNING)
print("If you are sure you wish to remove enstaller, use:")
print(" enpkg --remove-enstaller")
return
if args.remove_enstaller:
print(REMOVE_ENSTALLER_WARNING)
if prompt_yes_no("Really remove enstaller? (y/[n]) ", args.yes):
args.remove = True
reqs = [Requirement('enstaller')]
if any(req.name == 'epd' for req in reqs):
if args.remove:
parser.error("Can't remove 'epd'")
elif len(reqs) > 1:
parser.error("Can't combine 'enpkg epd' with other packages.")
elif not epd_install_confirm(args.yes):
return
if args.remove:
for req in reqs:
solver = enpkg._solver_factory()
try:
request = Request()
request.remove(req)
enpkg.execute(solver.resolve(request))
except EnpkgError as e:
print(str(e))
else:
for req in reqs:
install_req(enpkg, config, req, args)
def dispatch_commands_with_enpkg(args, enpkg, config, prefix, session, parser,
pat):
if args.dry_run:
def print_actions(actions):
for item in actions:
print('%-8s %s' % item)
enpkg.execute = print_actions
if args.imports: # --imports
repository = Repository._from_prefixes(enpkg.prefixes)
imports_option(repository)
return
if args.revert: # --revert
revert(enpkg, args.revert)
return
# Try to auto-update enstaller
if config.autoupdate:
if update_enstaller(session, enpkg._remote_repository, args):
print("Enstaller has been updated.\n"
"Please re-run your previous command.")
return
if args.search: # --search
search(enpkg._remote_repository, enpkg._installed_repository, config,
session, pat)
return
if args.info: # --info
if len(args.cnames) != 1:
parser.error("Option requires one argument (name of package)")
info_option(enpkg._remote_repository, enpkg._installed_repository,
args.cnames[0])
return
if args.whats_new: # --whats-new
whats_new(enpkg._remote_repository, enpkg._installed_repository)
return
if args.update_all: # --update-all
update_all(enpkg, config, args)
return
if args.requirements:
install_from_requirements(enpkg, config, args)
return
if len(args.cnames) == 0 and not args.remove_enstaller:
parser.error("Requirement(s) missing")
elif len(args.cnames) == 2:
pat = re.compile(r'\d+\.\d+')
if pat.match(args.cnames[1]):
args.cnames = ['-'.join(args.cnames)]
reqs = _compute_reqs(args.cnames)
# This code assumes we have already upgraded enstaller if needed
if needs_to_downgrade_enstaller(reqs):
msg = "Enstaller in requirement list: enstaller will be downgraded !"
warnings.warn(msg)
else:
logger.debug("Enstaller is up to date, not updating")
reqs = [req for req in reqs if req.name != "enstaller"]
logger.info("Requirements:")
for req in reqs:
logger.info(' %r', req)
logger.info("prefix: %r", prefix)
REMOVE_ENSTALLER_WARNING = ("Removing enstaller package will break enpkg "
"and is not recommended.")
if args.remove:
if any(req.name == 'enstaller' for req in reqs):
print(REMOVE_ENSTALLER_WARNING)
print("If you are sure you wish to remove enstaller, use:")
print(" enpkg --remove-enstaller")
return
if args.remove_enstaller:
print(REMOVE_ENSTALLER_WARNING)
if prompt_yes_no("Really remove enstaller? (y/[n]) ", args.yes):
args.remove = True
reqs = [Requirement('enstaller')]
if any(req.name == 'epd' for req in reqs):
if args.remove:
parser.error("Can't remove 'epd'")
elif len(reqs) > 1:
parser.error("Can't combine 'enpkg epd' with other packages.")
elif not epd_install_confirm(args.yes):
return
if args.remove:
for req in reqs:
solver = enpkg._solver_factory()
try:
request = Request()
request.remove(req)
enpkg.execute(solver.resolve(request))
except EnpkgError as e:
print(str(e))
else:
for req in reqs:
install_req(enpkg, config, req, args)
