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Make useradd-staticids.bbclass Python 3 compatible

PATCH Superseded Peter Kjellerstedt 2 participants 3 messages Jun 9, 2016 – Jun 16, 2016

v1 of 2 Superseded Latest is v2 →

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Peter Kjellerstedt

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#0 lore raw

cover Make useradd-staticids.bbclass Python 3 compatible

Avoid warnings with Python 3 due to files that are not closed in useradd-staticids.bbclass.

//Peter

The following changes since commit 40e789d1fee7f0df2d23230fff38325119ad2935:

bitbake: lib/bb/main.py: Fix use of BBPOSTCONF and BBPRECONF (2016-06-09 18:00:58 +0100)

are available in the git repository at:

git://git.yoctoproject.org/poky-contrib pkj/useradd-staticids-py3
http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=pkj/useradd-staticids-py3

Peter Kjellerstedt (1):
useradd-staticids.bbclass: Make sure opened files are closed

 meta/classes/useradd-staticids.bbclass | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)
Signature · 1 line
2.8.3
author
#1 lore raw

PATCH 1/1 useradd-staticids.bbclass: Make sure opened files are closed

This avoids warnings about unclosed files with Python 3.

Signed-off-by Peter Kjellerstedt <[email protected]>
---
 meta/classes/useradd-staticids.bbclass | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)
meta/classes/useradd-staticids.bbclass +17 -13
index a9b506d..440c0e3 100644
@@ -4,6 +4,7 @@ def update_useradd_static_config(d):
     import argparse
     import itertools
     import re
+    import errno
 
     class myArgumentParser( argparse.ArgumentParser ):
         def _print_message(self, message, file=None):

@@ -30,19 +31,22 @@ def update_useradd_static_config(d):
         are set)."""
         id_table = dict()
         for conf in file_list.split():
-            if os.path.exists(conf):
-                f = open(conf, "r")
-                for line in f:
-                    if line.startswith('#'):
-                        continue
-                    # Make sure there always are at least exp_fields elements in
-                    # the field list. This allows for leaving out trailing
-                    # colons in the files.
-                    fields = list_extend(line.rstrip().split(":"), exp_fields)
-                    if fields[0] not in id_table:
-                        id_table[fields[0]] = fields
-                    else:
-                        id_table[fields[0]] = list(itertools.imap(lambda x, y: x or y, fields, id_table[fields[0]]))
+            try:
+                with open(conf, "r") as f:
+                    for line in f:
+                        if line.startswith('#'):
+                            continue
+                        # Make sure there always are at least exp_fields
+                        # elements in the field list. This allows for leaving
+                        # out trailing colons in the files.
+                        fields = list_extend(line.rstrip().split(":"), exp_fields)
+                        if fields[0] not in id_table:
+                            id_table[fields[0]] = fields
+                        else:
+                            id_table[fields[0]] = list(itertools.imap(lambda x, y: x or y, fields, id_table[fields[0]]))
+            except IOError as e:
+                if e.errno == errno.ENOENT:
+                    pass
 
         return id_table
Signature · 1 line
2.8.3
#2 lore raw

Re: [PATCH 1/1] useradd-staticids.bbclass: Make sure opened files are closed

Quoted 39 lines · Peter Kjellerstedt

This avoids warnings about unclosed files with Python 3.

Signed-off-by Peter Kjellerstedt <[email protected]>
---
 meta/classes/useradd-staticids.bbclass | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)
meta/classes/useradd-staticids.bbclass +4 -13
index a9b506d..440c0e3 100644
@@ -4,6 +4,7 @@ def update_useradd_static_config(d):
     import argparse
     import itertools
     import re
+    import errno
 
     class myArgumentParser( argparse.ArgumentParser ):
         def _print_message(self, message, file=None):

@@ -30,19 +31,22 @@ def update_useradd_static_config(d):
         are set)."""
         id_table = dict()
         for conf in file_list.split():
-            if os.path.exists(conf):
-                f = open(conf, "r")
-                for line in f:
-                    if line.startswith('#'):
-                        continue
-                    # Make sure there always are at least exp_fields elements in
-                    # the field list. This allows for leaving out trailing
-                    # colons in the files.
-                    fields = list_extend(line.rstrip().split(":"), exp_fields)
-                    if fields[0] not in id_table:
-                        id_table[fields[0]] = fields
-                    else:
-                        id_table[fields[0]] = list(itertools.imap(lambda x, y: x or y, fields, id_table[fields[0]]))
+            try:
+                with open(conf, "r") as f:
+                    for line in f:

meta/classes/useradd-staticids.bbclass def update_useradd_static_config(d): · line 46

Quoted 10 lines
meta/classes/useradd-staticids.bbclass +10 -0
+                        if line.startswith('#'):
+                            continue
+                        # Make sure there always are at least exp_fields
+                        # elements in the field list. This allows for leaving
+                        # out trailing colons in the files.
+                        fields = list_extend(line.rstrip().split(":"), exp_fields)
+                        if fields[0] not in id_table:
+                            id_table[fields[0]] = fields
+                        else:
+                            id_table[fields[0]] = list(itertools.imap(lambda x, y: x or y, fields, id_table[fields[0]]))

This is still broken for me. As far as I can tell itertools.imap doesn't exist in Python 3.

Quoted 14 lines
meta/classes/useradd-staticids.bbclass +3 -1
+            except IOError as e:
+                if e.errno == errno.ENOENT:
+                    pass
 
         return id_table
 
--

2.8.3

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