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Treat empty environment variables like unset ones #131

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Treat empty environment variables like unset ones #131

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57c8910
Treat empty environment variables like unset ones
clbarnes Feb 19, 2020
3a40b2b
Empty environment variable: review comments
clbarnes Feb 20, 2020
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18 changes: 12 additions & 6 deletions appdirs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,12 @@
system = sys.platform


def getenv(name, default=None):
value = os.getenv(name)
if not value:
value = default
return value
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def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
r"""Return full path to the user-specific data dir for this application.
Expand Down Expand Up @@ -89,7 +95,7 @@ def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
if appname:
path = os.path.join(path, appname)
else:
path = os.getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share"))
path = getenv('XDG_DATA_HOME', os.path.expanduser("~/.local/share"))
if appname:
path = os.path.join(path, appname)
if appname and version:
Expand Down Expand Up @@ -144,7 +150,7 @@ def site_data_dir(appname=None, appauthor=None, version=None, multipath=False):
else:
# XDG default for $XDG_DATA_DIRS
# only first, if multipath is False
path = os.getenv('XDG_DATA_DIRS',
path = getenv('XDG_DATA_DIRS',
os.pathsep.join(['/usr/local/share', '/usr/share']))
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pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
if appname:
Expand Down Expand Up @@ -199,7 +205,7 @@ def user_config_dir(appname=None, appauthor=None, version=None, roaming=False):
if appname:
path = os.path.join(path, appname)
else:
path = os.getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config"))
path = getenv('XDG_CONFIG_HOME', os.path.expanduser("~/.config"))
if appname:
path = os.path.join(path, appname)
if appname and version:
Expand Down Expand Up @@ -248,7 +254,7 @@ def site_config_dir(appname=None, appauthor=None, version=None, multipath=False)
else:
# XDG default for $XDG_CONFIG_DIRS
# only first, if multipath is False
path = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg')
path = getenv('XDG_CONFIG_DIRS', '/etc/xdg')
pathlist = [os.path.expanduser(x.rstrip(os.sep)) for x in path.split(os.pathsep)]
if appname:
if version:
Expand Down Expand Up @@ -311,7 +317,7 @@ def user_cache_dir(appname=None, appauthor=None, version=None, opinion=True):
if appname:
path = os.path.join(path, appname)
else:
path = os.getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
path = getenv('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
if appname:
path = os.path.join(path, appname)
if appname and version:
Expand Down Expand Up @@ -353,7 +359,7 @@ def user_state_dir(appname=None, appauthor=None, version=None, roaming=False):
if system in ["win32", "darwin"]:
path = user_data_dir(appname, appauthor, None, roaming)
else:
path = os.getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state"))
path = getenv('XDG_STATE_HOME', os.path.expanduser("~/.local/state"))
if appname:
path = os.path.join(path, appname)
if appname and version:
Expand Down