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fix import error in metadata: fails on systems without pwd #2152

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merged 1 commit into from
Dec 6, 2022
Merged

fix import error in metadata: fails on systems without pwd #2152

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15 changes: 13 additions & 2 deletions ctapipe/io/metadata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@

"""
import os
import pwd
import uuid
import warnings
from collections import OrderedDict
Expand Down Expand Up @@ -65,6 +64,18 @@ def convert(value):
return value


def _get_user_name():
"""return the logged in user's name, as a fall-back if none is specified"""
try:
import pwd

return pwd.getpwuid(os.getuid()).pw_gecos
except ImportError:
# the pwd module is not available on some non-unix systems (Windows), so
# here we just fall back to a default name
return "Unknown User"


class Contact(Configurable):
"""Contact information"""

Expand All @@ -76,7 +87,7 @@ class Contact(Configurable):
def default_name(self):
"""if no name specified, use the system's user name"""
try:
return pwd.getpwuid(os.getuid()).pw_gecos
return _get_user_name()
except RuntimeError:
return ""

Expand Down