def check(args, source_code, filename=None, options=None):
"""Check source code with checker defined with *args* (list)
Returns an empty list if checker is not installed"""
if args is None:
return []
if options is not None:
args += options
if any(['pyflakes' in arg for arg in args]):
# Pyflakes requires an ending new line (pep8 don't! -- see Issue 1123)
# Note: this code is not used right now as it is faster to invoke
# pyflakes in current Python interpreter (see `check_with_pyflakes`
# function above) than calling it through a subprocess
source_code += '\n'
if filename is None:
# Creating a temporary file because file does not exist yet
# or is not up-to-date
tempfd = tempfile.NamedTemporaryFile(suffix=".py", delete=False)
tempfd.write(source_code)
tempfd.close()
args.append(tempfd.name)
else:
args.append(filename)
output = Popen(args, stdout=PIPE,
stderr=PIPE).communicate()[0].strip().decode().splitlines()
if filename is None:
os.unlink(tempfd.name)
results = []
coding = encoding.get_coding(source_code)
lines = source_code.splitlines()
for line in output:
lineno = int(re.search(r'(\:[\d]+\:)', line).group()[1:-1])
if 'analysis:ignore' not in to_text_string(lines[lineno - 1], coding):
message = line[line.find(': ') + 2:]
results.append((message, lineno))
return results
def check(args, source_code, filename=None, options=None):
"""Check source code with checker defined with *args* (list)
Returns an empty list if checker is not installed"""
if args is None:
return []
if options is not None:
args += options
if any(['pyflakes' in arg for arg in args]):
# Pyflakes requires an ending new line (pep8 don't! -- see Issue 1123)
# Note: this code is not used right now as it is faster to invoke
# pyflakes in current Python interpreter (see `check_with_pyflakes`
# function above) than calling it through a subprocess
source_code += '\n'
if filename is None:
# Creating a temporary file because file does not exist yet
# or is not up-to-date
tempfd = tempfile.NamedTemporaryFile(suffix=".py", delete=False)
tempfd.write(source_code)
tempfd.close()
args.append(tempfd.name)
else:
args.append(filename)
output = Popen(args, stdout=PIPE, stderr=PIPE
).communicate()[0].strip().decode().splitlines()
if filename is None:
os.unlink(tempfd.name)
results = []
coding = encoding.get_coding(source_code)
lines = source_code.splitlines()
for line in output:
lineno = int(re.search(r'(\:[\d]+\:)', line).group()[1:-1])
if 'analysis:ignore' not in to_text_string(lines[lineno-1], coding):
message = line[line.find(': ')+2:]
results.append((message, lineno))
return results
def check_with_pyflakes(source_code, filename=None):
"""Check source code with pyflakes
Returns an empty list if pyflakes is not installed"""
try:
if filename is None:
filename = '<string>'
try:
source_code += '\n'
except TypeError:
# Python 3
source_code += to_binary_string('\n')
import _ast
from pyflakes.checker import Checker
# First, compile into an AST and handle syntax errors.
try:
tree = compile(source_code, filename, "exec", _ast.PyCF_ONLY_AST)
except SyntaxError as value:
# If there's an encoding problem with the file, the text is None.
if value.text is None:
results = []
else:
results = [(value.args[0], value.lineno)]
except (ValueError, TypeError):
# Example of ValueError: file contains invalid \x escape character
# (see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674797)
# Example of TypeError: file contains null character
# (see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674796)
results = []
else:
# Okay, it's syntactically valid. Now check it.
w = Checker(tree, filename)
w.messages.sort(key=lambda x: x.lineno)
results = []
coding = encoding.get_coding(source_code)
lines = source_code.splitlines()
for warning in w.messages:
if 'analysis:ignore' not in \
to_text_string(lines[warning.lineno-1], coding):
results.append((warning.message % warning.message_args,
warning.lineno))
except Exception:
# Never return None to avoid lock in spyderlib/widgets/editor.py
# See Issue 1547
results = []
if DEBUG_EDITOR:
traceback.print_exc() # Print exception in internal console
return results
def check_with_pyflakes(source_code, filename=None):
"""Check source code with pyflakes
Returns an empty list if pyflakes is not installed"""
try:
if filename is None:
filename = '<string>'
try:
source_code += '\n'
except TypeError:
# Python 3
source_code += to_binary_string('\n')
import _ast
from pyflakes.checker import Checker
# First, compile into an AST and handle syntax errors.
try:
tree = compile(source_code, filename, "exec", _ast.PyCF_ONLY_AST)
except SyntaxError as value:
# If there's an encoding problem with the file, the text is None.
if value.text is None:
results = []
else:
results = [(value.args[0], value.lineno)]
except (ValueError, TypeError):
# Example of ValueError: file contains invalid \x escape character
# (see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674797)
# Example of TypeError: file contains null character
# (see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674796)
results = []
else:
# Okay, it's syntactically valid. Now check it.
w = Checker(tree, filename)
w.messages.sort(key=lambda x: x.lineno)
results = []
coding = encoding.get_coding(source_code)
lines = source_code.splitlines()
for warning in w.messages:
if 'analysis:ignore' not in \
to_text_string(lines[warning.lineno-1], coding):
results.append((warning.message % warning.message_args,
warning.lineno))
except Exception:
# Never return None to avoid lock in spyderlib/widgets/editor.py
# See Issue 1547
results = []
if DEBUG_EDITOR:
traceback.print_exc() # Print exception in internal console
return results
