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Adds exception catching in main command.

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main
Olivier Mangin 9 years ago
parent 7f6dde2f0c
commit b12c6297f0
5 changed files with 93 additions and 74 deletions
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32
pubs/commands/export_cmd.py
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@ -21,21 +21,17 @@ def command(conf, args):
ui = get_ui()
rp = repo.Repository(conf)
try:
papers = []
if len(args.citekeys) < 1:
papers = rp.all_papers()
else:
for key in resolve_citekey_list(repo=rp, citekeys=args.citekeys, ui=ui, exit_on_fail=True):
papers.append(rp.pull_paper(key))
bib = {}
for p in papers:
bib[p.citekey] = p.bibdata
exporter = endecoder.EnDecoder()
bibdata_raw = exporter.encode_bibdata(bib)
ui.message(bibdata_raw)
except Exception as e:
ui.error(e.message)
papers = []
if len(args.citekeys) < 1:
papers = rp.all_papers()
else:
for key in resolve_citekey_list(repo=rp, citekeys=args.citekeys, ui=ui, exit_on_fail=True):
papers.append(rp.pull_paper(key))
bib = {}
for p in papers:
bib[p.citekey] = p.bibdata
exporter = endecoder.EnDecoder()
bibdata_raw = exporter.encode_bibdata(bib)
ui.message(bibdata_raw)

96
pubs/pubs_cmd.py
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@ -32,56 +32,56 @@ CORE_CMDS = collections.OrderedDict([
def execute(raw_args=sys.argv):
conf_parser = argparse.ArgumentParser(prog="pubs", add_help=False)
conf_parser.add_argument("-c", "--config", help="path to config file",
type=str, metavar="FILE")
conf_parser.add_argument('--force-colors', dest='force_colors',
action='store_true', default=False,
help='color are not disabled when piping to a file or other commands')
#conf_parser.add_argument("-u", "--update", help="update config if needed",
# default=False, action='store_true')
top_args, remaining_args = conf_parser.parse_known_args(raw_args[1:])
if top_args.config:
conf_path = top_args.config
else:
conf_path = config.get_confpath(verify=False) # will be checked on load
# Loading config
if len(remaining_args) > 0 and remaining_args[0] != 'init':
try:
try:
conf_parser = argparse.ArgumentParser(prog="pubs", add_help=False)
conf_parser.add_argument("-c", "--config", help="path to config file",
type=str, metavar="FILE")
conf_parser.add_argument('--force-colors', dest='force_colors',
action='store_true', default=False,
help='color are not disabled when piping to a file or other commands')
#conf_parser.add_argument("-u", "--update", help="update config if needed",
# default=False, action='store_true')
top_args, remaining_args = conf_parser.parse_known_args(raw_args[1:])
if top_args.config:
conf_path = top_args.config
else:
conf_path = config.get_confpath(verify=False) # will be checked on load
# Loading config
if len(remaining_args) > 0 and remaining_args[0] != 'init':
conf = config.load_conf(path=conf_path, check=False)
if update.update_check(conf, path=conf.filename):
# an update happened, reload conf.
conf = config.load_conf(path=conf_path, check=False)
config.check_conf(conf)
except IOError as e:
print('error: {}'.format(str(e)))
sys.exit()
else:
conf = config.load_default_conf()
conf.filename = conf_path
uis.init_ui(conf, force_colors=top_args.force_colors)
ui = uis.get_ui()
parser = argparse.ArgumentParser(description="research papers repository",
prog="pubs", add_help=True)
parser.add_argument('--version', action='version', version=__version__)
subparsers = parser.add_subparsers(title="valid commands", dest="command")
subparsers.required = True
# Populate the parser with core commands
for cmd_name, cmd_mod in CORE_CMDS.items():
cmd_parser = cmd_mod.parser(subparsers)
cmd_parser.set_defaults(func=cmd_mod.command)
# Extend with plugin commands
plugins.load_plugins(conf, ui)
for p in plugins.get_plugins().values():
p.update_parser(subparsers)
# Parse and run appropriate command
args = parser.parse_args(remaining_args)
args.prog = "pubs" # FIXME?
args.func(conf, args)
else:
conf = config.load_default_conf()
conf.filename = conf_path
uis.init_ui(conf, force_colors=top_args.force_colors)
ui = uis.get_ui()
parser = argparse.ArgumentParser(description="research papers repository",
prog="pubs", add_help=True)
parser.add_argument('--version', action='version', version=__version__)
subparsers = parser.add_subparsers(title="valid commands", dest="command")
subparsers.required = True
# Populate the parser with core commands
for cmd_name, cmd_mod in CORE_CMDS.items():
cmd_parser = cmd_mod.parser(subparsers)
cmd_parser.set_defaults(func=cmd_mod.command)
# Extend with plugin commands
plugins.load_plugins(conf, ui)
for p in plugins.get_plugins().values():
p.update_parser(subparsers)
# Parse and run appropriate command
args = parser.parse_args(remaining_args)
args.prog = "pubs" # FIXME?
args.func(conf, args)
except Exception as e:
uis.get_ui().handle_exception(e)

27
pubs/repo.py
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@ -12,12 +12,26 @@ def _base27(n):
return _base27((n - 1) // 26) + chr(ord('a') + ((n - 1) % 26)) if n else ''
class CiteKeyError(Exception):
default_message = "Wrong citekey: {}."
def __init__(self, citekey, message=None):
self.message = message
self.citekey = citekey
def __repr__(self):
return self.message or self.default_msg.format(self.citekey)
class CiteKeyCollision(Exception):
pass
default_message = "Citekey already in use: {}."
class CiteKeyNotFound(Exception):
class InvalidReference(Exception):
pass
default_message = "Could not find citekey: {}."
class Repository(object):
@ -63,7 +77,7 @@ class Repository(object):
citekey=citekey,
metadata=self.databroker.pull_metadata(citekey))
else:
raise InvalidReference('{} citekey not found'.format(citekey))
raise CiteKeyNotFound(citekey)
def push_paper(self, paper, overwrite=False, event=True):
""" Push a paper to disk
@ -73,7 +87,7 @@ class Repository(object):
"""
bibstruct.check_citekey(paper.citekey)
if (not overwrite) and (paper.citekey in self):
raise CiteKeyCollision('citekey {} already in use'.format(paper.citekey))
raise CiteKeyCollision(paper.citekey)
if not paper.added:
paper.added = datetime.now()
self.databroker.push_bibentry(paper.citekey, paper.bibentry)
@ -130,7 +144,8 @@ class Repository(object):
else:
# check if new_citekey does not exists
if new_citekey in self:
raise CiteKeyCollision("can't rename paper to {}, conflicting files exists".format(new_citekey))
msg = "Can't rename paper to {}, citekey already exists.".format(new_citekey)
raise CiteKeyCollision(new_citekey, message=msg)
# move doc file if necessary
if self.databroker.in_docsdir(paper.docpath):

8
pubs/uis.py
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@ -62,6 +62,7 @@ class PrintUI(object):
errors='replace')
self._stderr = codecs.getwriter(self.encoding)(_get_raw_stderr(),
errors='replace')
self.debug = conf.get('debug', False)
def message(self, *messages, **kwargs):
kwargs['file'] = self._stdout
@ -82,6 +83,13 @@ class PrintUI(object):
def exit(self, error_code=1):
sys.exit(error_code)
def handle_exception(self, exc):
if self.debug:
raise exc
else:
self.error(exc)
self.exit()
class InputUI(PrintUI):
"""UI class. Stores configuration parameters and system information.

4
tests/test_repo.py
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@ -5,7 +5,7 @@ import dotdot
import fake_env
import fixtures
from pubs.repo import Repository, _base27, CiteKeyCollision, InvalidReference
from pubs.repo import Repository, _base27, CiteKeyCollision, CiteKeyNotFound
from pubs.paper import Paper
from pubs import config
@ -77,7 +77,7 @@ class TestUpdatePaper(TestRepo):
def test_update_new_key_removes_old(self):
paper = self.repo.pull_paper('turing1950computing')
self.repo.rename_paper(paper, 'Turing1950')
with self.assertRaises(InvalidReference):
with self.assertRaises(CiteKeyNotFound):
self.repo.pull_paper('turing1950computing')
self.assertNotIn('turing1950computing', self.repo)

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