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Code Issues Releases Activity

Remove uses of sys.exc_info()[1]

Browse source 
Using sys.exc_info()[1] is a hack that was used to use a shared
source approach to Python 3.x support that also included versions
of Python that didn't include the except ... as exc: construction.
Pip no longer supports any of these versions of Python so we can
remove it.
This commit is contained in:
Donald Stufft 2014-01-27 08:02:10 -05:00
parent d1ca3f2098
commit 30204be35b
8 changed files with 32 additions and 47 deletions
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10
pip/__init__.py
View file

@ -175,9 +175,8 @@ def main(initial_args=None):
try:
cmd_name, cmd_args = parseopts(initial_args)
except PipError:
e = sys.exc_info()[1]
sys.stderr.write("ERROR: %s" % e)
except PipError as exc:
sys.stderr.write("ERROR: %s" % exc)
sys.stderr.write(os.linesep)
sys.exit(1)
@ -220,9 +219,8 @@ class FrozenRequirement(object):
editable = True
try:
req = get_src_requirement(dist, location, find_tags)
except InstallationError:
ex = sys.exc_info()[1]
logger.warn("Error when trying to get requirement for VCS system %s, falling back to uneditable format" % ex)
except InstallationError as exc:
logger.warn("Error when trying to get requirement for VCS system %s, falling back to uneditable format" % exc)
req = None
if req is None:
logger.warn('Could not determine repository location of %s' % location)

20
pip/basecommand.py
View file

@ -124,27 +124,23 @@ class Command(object):
# and when it is done, isinstance is not needed anymore
if isinstance(status, int):
exit = status
except PreviousBuildDirError:
e = sys.exc_info()[1]
logger.fatal(str(e))
except PreviousBuildDirError as exc:
logger.fatal(str(exc))
logger.info('Exception information:\n%s' % format_exc())
store_log = True
exit = PREVIOUS_BUILD_DIR_ERROR
except (InstallationError, UninstallationError):
e = sys.exc_info()[1]
logger.fatal(str(e))
except (InstallationError, UninstallationError) as exc:
logger.fatal(str(exc))
logger.info('Exception information:\n%s' % format_exc())
store_log = True
exit = ERROR
except BadCommand:
e = sys.exc_info()[1]
logger.fatal(str(e))
except BadCommand as exc:
logger.fatal(str(exc))
logger.info('Exception information:\n%s' % format_exc())
store_log = True
exit = ERROR
except CommandError:
e = sys.exc_info()[1]
logger.fatal('ERROR: %s' % e)
except CommandError as exc:
logger.fatal('ERROR: %s' % exc)
logger.info('Exception information:\n%s' % format_exc())
exit = ERROR
except KeyboardInterrupt:

5
pip/baseparser.py
View file

@ -149,9 +149,8 @@ class ConfigOptionParser(CustomOptionParser):
def check_default(self, option, key, val):
try:
return option.check_value(key, val)
except optparse.OptionValueError:
e = sys.exc_info()[1]
print("An error occurred during configuration: %s" % e)
except optparse.OptionValueError as exc:
print("An error occurred during configuration: %s" % exc)
sys.exit(3)
def update_defaults(self, defaults):

5
pip/download.py
View file

@ -273,9 +273,8 @@ def get_file_content(url, comes_from=None, session=None):
try:
f = open(url)
content = f.read()
except IOError:
e = sys.exc_info()[1]
raise InstallationError('Could not open requirements file: %s' % str(e))
except IOError as exc:
raise InstallationError('Could not open requirements file: %s' % str(exc))
else:
f.close()
return url, content

5
pip/req/req_install.py
View file

@ -955,10 +955,9 @@ def parse_editable(editable_req, default_vcs=None):
try:
options = _build_editable_options(editable_req)
except Exception:
message = sys.exc_info()[1]
except Exception as exc:
raise InstallationError(
'--editable=%s error in editable options:%s' % (editable_req, message))
'--editable=%s error in editable options:%s' % (editable_req, exc))
if not options or 'egg' not in options:
req = _build_req_from_url(editable_req)

14
pip/req/req_set.py
View file

@ -206,8 +206,8 @@ class RequirementSet(object):
except BestVersionAlreadyInstalled:
best_installed = True
install = False
except DistributionNotFound:
not_found = sys.exc_info()[1]
except DistributionNotFound as exc:
not_found = exc
else:
# Avoid the need to call find_requirement again
req_to_install.url = url.url
@ -291,10 +291,9 @@ class RequirementSet(object):
if url:
try:
self.unpack_url(url, location, self.is_download)
except HTTPError:
e = sys.exc_info()[1]
except HTTPError as exc:
logger.fatal('Could not install requirement %s because of error %s'
% (req_to_install, e))
% (req_to_install, exc))
raise InstallationError(
'Could not install requirement %s because of HTTP error %s for URL %s'
% (req_to_install, e, url))
@ -364,10 +363,9 @@ class RequirementSet(object):
for req in req_to_install.requirements(req_to_install.extras):
try:
name = pkg_resources.Requirement.parse(req).project_name
except ValueError:
e = sys.exc_info()[1]
except ValueError as exc:
## FIXME: proper warning
logger.error('Invalid requirement: %r (%s) in requirement %s' % (req, e, req_to_install))
logger.error('Invalid requirement: %r (%s) in requirement %s' % (req, exc, req_to_install))
continue
if self.has_requirement(name):
## FIXME: check for conflict

15
pip/util.py
View file

@ -562,24 +562,22 @@ def untar_file(filename, location):
elif member.issym():
try:
tar._extract_member(member, path)
except:
e = sys.exc_info()[1]
except Exception as exc:
# Some corrupt tar files seem to produce this
# (specifically bad symlinks)
logger.warn(
'In the tar file %s the member %s is invalid: %s'
% (filename, member.name, e))
% (filename, member.name, exc))
continue
else:
try:
fp = tar.extractfile(member)
except (KeyError, AttributeError):
e = sys.exc_info()[1]
except (KeyError, AttributeError) as exc:
# Some corrupt tar files seem to produce this
# (specifically bad symlinks)
logger.warn(
'In the tar file %s the member %s is invalid: %s'
% (filename, member.name, e))
% (filename, member.name, exc))
continue
if not os.path.exists(os.path.dirname(path)):
os.makedirs(os.path.dirname(path))
@ -662,10 +660,9 @@ def call_subprocess(cmd, show_stdout=True,
proc = subprocess.Popen(
cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
cwd=cwd, env=env)
except Exception:
e = sys.exc_info()[1]
except Exception as exc:
logger.fatal(
"Error %s while executing command %s" % (e, command_desc))
"Error %s while executing command %s" % (exc, command_desc))
raise
all_output = []
if stdout is not None:

5
pip/vcs/mercurial.py
View file

@ -54,11 +54,10 @@ class Mercurial(VersionControl):
config_file = open(repo_config, 'w')
config.write(config_file)
config_file.close()
except (OSError, ConfigParser.NoSectionError):
e = sys.exc_info()[1]
except (OSError, ConfigParser.NoSectionError) as exc:
logger.warn(
'Could not switch Mercurial repository to %s: %s'
% (url, e))
% (url, exc))
else:
call_subprocess([self.cmd, 'update', '-q'] + rev_options, cwd=dest)