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[displaymanager] Call all configuration methods through instance

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- Make root_mount_point a parameter of the DM classes
 - Create instances as needed, then check if they're available
 - Keep instances that actually need to be configured
 - Clean up remaining cruft from removing old setup_autologin()
   with all the string-comparison magic.
This commit is contained in:
Adriaan de Groot 2018-08-20 10:49:17 -04:00
parent 18392cb216
commit 155e212616
1 changed files with 54 additions and 123 deletions
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177
src/modules/displaymanager/main.py
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@ -93,20 +93,22 @@ class DisplayManager(metaclass=abc.ABCMeta):
name = None
executable = None
@classmethod
def have_dm(cls, root_mount_point):
def __init__(self, root_mount_point):
self.root_mount_point = root_mount_point
def have_dm(cls):
if cls.executable is None:
return True
bin_path = "{!s}/usr/bin/{!s}".format(root_mount_point, cls.executable)
sbin_path = "{!s}/usr/sbin/{!s}".format(root_mount_point, cls.executable)
bin_path = "{!s}/usr/bin/{!s}".format(self.root_mount_point, cls.executable)
sbin_path = "{!s}/usr/sbin/{!s}".format(self.root_mount_point, cls.executable)
return (
os.path.exists(bin_path)
or os.path.exists(sbin_path)
)
@abc.abstractmethod
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
"""
Configure the DM inside the given @p root_mount_point with
autologin (if @p do_autologin is True) for the given @p username.
@ -141,9 +143,9 @@ class DMmdm(DisplayManager):
name = "mdm"
executable = "mdm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with MDM as Desktop Manager
mdm_conf_path = os.path.join(root_mount_point, "etc/mdm/custom.conf")
mdm_conf_path = os.path.join(self.root_mount_point, "etc/mdm/custom.conf")
if os.path.exists(mdm_conf_path):
with open(mdm_conf_path, 'r') as mdm_conf:
@ -215,7 +217,7 @@ class DMmdm(DisplayManager):
"sed -i \"s|default.desktop|{!s}.desktop|g\" "
"{!s}/etc/mdm/custom.conf".format(
default_desktop_environment.desktop_file,
root_mount_point
self.root_mount_point
)
)
@ -224,9 +226,9 @@ class DMgdm(DisplayManager):
name = "gdm"
executable = "gdm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with GDM as Desktop Manager
gdm_conf_path = os.path.join(root_mount_point, "etc/gdm/custom.conf")
gdm_conf_path = os.path.join(self.root_mount_point, "etc/gdm/custom.conf")
if os.path.exists(gdm_conf_path):
with open(gdm_conf_path, 'r') as gdm_conf:
@ -260,7 +262,7 @@ class DMgdm(DisplayManager):
if (do_autologin):
accountservice_dir = "{!s}/var/lib/AccountsService/users".format(
root_mount_point
self.root_mount_point
)
userfile_path = "{!s}/{!s}".format(accountservice_dir, username)
if os.path.exists(accountservice_dir):
@ -308,10 +310,10 @@ class DMkdm(DisplayManager):
name = "kdm"
executable = "kdm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with KDM as Desktop Manager
kdm_conf_path = os.path.join(
root_mount_point, "usr/share/config/kdm/kdmrc"
self.root_mount_point, "usr/share/config/kdm/kdmrc"
)
# Check which path is in use: SUSE does something else.
# Also double-check the default setting. Pick the first
@ -320,7 +322,7 @@ class DMkdm(DisplayManager):
"usr/share/config/kdm/kdmrc",
"usr/share/kde4/config/kdm/kdmrc",
):
p = os.path.join(root_mount_point, candidate_kdmrc)
p = os.path.join(self.root_mount_point, candidate_kdmrc)
if os.path.exists(p):
kdm_conf_path = p
break
@ -380,9 +382,9 @@ class DMlxdm(DisplayManager):
name = "lxdm"
executable = "lxdm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with LXDM as Desktop Manager
lxdm_conf_path = os.path.join(root_mount_point, "etc/lxdm/lxdm.conf")
lxdm_conf_path = os.path.join(self.root_mount_point, "etc/lxdm/lxdm.conf")
text = []
if os.path.exists(lxdm_conf_path):
@ -427,7 +429,7 @@ class DMlxdm(DisplayManager):
"sed -i -e \"s|^.*session=.*|session={!s}|\" "
"{!s}/etc/lxdm/lxdm.conf".format(
default_desktop_environment.executable,
root_mount_point
self.root_mount_point
)
)
@ -436,13 +438,13 @@ class DMlightdm(DisplayManager):
name = "lightdm"
executable = "lightdm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with LightDM as Desktop Manager
# Ideally, we should use configparser for the ini conf file,
# but we just do a simple text replacement for now, as it
# worksforme(tm)
lightdm_conf_path = os.path.join(
root_mount_point, "etc/lightdm/lightdm.conf"
self.root_mount_point, "etc/lightdm/lightdm.conf"
)
text = []
@ -524,12 +526,12 @@ class DMlightdm(DisplayManager):
def greeter_setup(self):
lightdm_conf_path = os.path.join(
root_mount_point, "etc/lightdm/lightdm.conf"
self.root_mount_point, "etc/lightdm/lightdm.conf"
)
# configure lightdm-greeter
greeter_path = os.path.join(
root_mount_point, "usr/share/xgreeters"
self.root_mount_point, "usr/share/xgreeters"
)
if (os.path.exists(greeter_path)):
@ -559,9 +561,9 @@ class DMslim(DisplayManager):
name = "slim"
executable = "slim"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with Slim as Desktop Manager
slim_conf_path = os.path.join(root_mount_point, "etc/slim.conf")
slim_conf_path = os.path.join(self.root_mount_point, "etc/slim.conf")
text = []
if os.path.exists(slim_conf_path):
@ -595,9 +597,9 @@ class DMsddm(DisplayManager):
name = "sddm"
executable = "sddm"
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
# Systems with Sddm as Desktop Manager
sddm_conf_path = os.path.join(root_mount_point, "etc/sddm.conf")
sddm_conf_path = os.path.join(self.root_mount_point, "etc/sddm.conf")
sddm_config = configparser.ConfigParser(strict=False)
# Make everything case sensitive
@ -633,7 +635,7 @@ class DMsysconfig(DisplayManager):
name = "sysconfig"
executable = None
def set_autologin(self, username, do_autologin, root_mount_point, default_desktop_environment):
def set_autologin(self, username, do_autologin, default_desktop_environment):
dmauto = "DISPLAYMANAGER_AUTOLOGIN"
os.system(
@ -641,7 +643,7 @@ class DMsysconfig(DisplayManager):
"{!s}/etc/sysconfig/displaymanager".format(
dmauto, dmauto,
username if do_autologin else "",
root_mount_point
self.root_mount_point
)
)
@ -659,40 +661,6 @@ display_managers = [
]
def have_dm(dm_name, root_mount_point):
"""
Checks if display manager is properly installed.
:param dm_name:
:param root_mount_point:
:return:
"""
bin_path = "{!s}/usr/bin/{!s}".format(root_mount_point, dm_name)
sbin_path = "{!s}/usr/sbin/{!s}".format(root_mount_point, dm_name)
return (os.path.exists(bin_path)
or os.path.exists(sbin_path)
)
_ = """
if "mdm" == displaymanager:
if "gdm" == displaymanager:
if "kdm" == displaymanager:
if "lxdm" == displaymanager:
if "lightdm" == displaymanager:
if "slim" == displaymanager:
if "sddm" == displaymanager:
if "sysconfig" == displaymanager:
"""
def run():
"""
Configure display managers.
@ -736,57 +704,23 @@ def run():
else:
enable_basic_setup = False
# Setup slim
if "slim" in displaymanagers:
if not have_dm("slim", root_mount_point):
libcalamares.utils.debug("slim selected but not installed")
displaymanagers.remove("slim")
# Setup sddm
if "sddm" in displaymanagers:
if not have_dm("sddm", root_mount_point):
libcalamares.utils.debug("sddm selected but not installed")
displaymanagers.remove("sddm")
# setup lightdm
if "lightdm" in displaymanagers:
if have_dm("lightdm", root_mount_point):
pass
dm_impl = []
for dm in displaymanagers:
# Find the implementation class
dm_impl = None
impl = [ cls for name, cls in display_managers if name == dm ]
if len(impl) == 1:
dm_instance = impl[0](root_mount_point)
if dm_instance.have_dm():
dm_impl.append(dm_instance)
else:
dm_impl = None
else:
libcalamares.utils.debug("lightdm selected but not installed")
displaymanagers.remove("lightdm")
libcalamares.utils.debug("{!s} has {!d} implementation classes.".format(dm).format(len(impl)))
# Setup gdm
if "gdm" in displaymanagers:
if have_dm("gdm", root_mount_point):
pass
else:
libcalamares.utils.debug("gdm selected but not installed")
displaymanagers.remove("gdm")
# Setup mdm
if "mdm" in displaymanagers:
if have_dm("mdm", root_mount_point):
pass
else:
libcalamares.utils.debug("mdm selected but not installed")
displaymanagers.remove("mdm")
# Setup lxdm
if "lxdm" in displaymanagers:
if have_dm("lxdm", root_mount_point):
pass
else:
libcalamares.utils.debug("lxdm selected but not installed")
displaymanagers.remove("lxdm")
# Setup kdm
if "kdm" in displaymanagers:
if have_dm("kdm", root_mount_point):
pass
else:
libcalamares.utils.debug("kdm selected but not installed")
displaymanagers.remove("kdm")
if dm_impl is None:
libcalamares.utils.debug("{!s} selected but not installed".format(dm))
displaymanagers.remove(dm)
if username is not None:
libcalamares.utils.debug(
@ -798,19 +732,16 @@ def run():
libcalamares.globalstorage.insert("displayManagers", displaymanagers)
dm_setup_message = []
for dm in displaymanagers:
impl = [ cls for name, cls in display_managers if name == dm ]
if len(impl) == 1:
dm_impl = impl[0]() # Instantiate the class that was named
dm_message = None
if enable_basic_setup:
dm_message = dm_impl.basic_setup()
if default_desktop_environment is not None and dm_message is None:
dm_message = dm_impl.desktop_environment_setup(default_desktop_environment)
if dm_message is None:
dm_message = dm_impl.set_autologin(username, default_desktop_environment, root_mount_point)
else:
dm_message = ("Can not configure {!s}".format(dm), "{!s} has {!d} implementation classes.".format(dm).format(len(impl)))
for dm in dm_impl:
dm_message = None
if enable_basic_setup:
dm_message = dm.basic_setup()
if default_desktop_environment is not None and dm_message is None:
dm_message = dm.desktop_environment_setup(default_desktop_environment)
if dm_message is None:
dm_message = dm.greeter_setup()
if dm_message is None:
dm_message = dm.set_autologin(username, do_autologin, default_desktop_environment)
if dm_message is not None:
dm_setup_message.append("{!s}: {!s}".format(*dm_message))