def runPyflakes(script_code, script_path): from pyflakes.api import check from pyflakes import reporter from StringIO import StringIO stream = StringIO() check(script_code, script_path, reporter.Reporter(stream, stream)) return stream.getvalue()
def check_flake(filename, code, builtins=None):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a dictionary describing issues of code quality per line. See:
https://github.com/PyCQA/pyflakes
If a list symbols is passed in as "builtins" these are assumed to be
additional builtins available when run by Mu.
"""
import_all = "from microbit import *" in code
if import_all:
# Massage code so "from microbit import *" is expanded so the symbols
# are known to flake.
code = code.replace("from microbit import *", EXPANDED_IMPORT)
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
if builtins:
builtins_regex = re.compile(r"^undefined name '(" +
'|'.join(builtins) + r")'")
feedback = {}
for log in reporter.log:
if import_all:
# Guard to stop unwanted "microbit.* imported but unused" messages.
message = log['message']
if EXPAND_FALSE_POSITIVE.match(message):
continue
if builtins:
if builtins_regex.match(log['message']):
continue
if log['line_no'] not in feedback:
feedback[log['line_no']] = []
feedback[log['line_no']].append(log)
return feedback
def check_flake(filename, code):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a dictionary describing issues of code quality per line. See:
https://github.com/PyCQA/pyflakes
"""
import_all = "from microbit import *" in code
if import_all:
# Massage code so "from microbit import *" is expanded so the symbols
# are known to flake.
code = code.replace("from microbit import *", EXPANDED_IMPORT)
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
feedback = {}
for log in reporter.log:
if import_all:
# Guard to stop unwanted "microbit.* imported but unused" messages.
message = log['message']
if EXPAND_FALSE_POSITIVE.match(message):
continue
if log['line_no'] not in feedback:
feedback[log['line_no']] = []
feedback[log['line_no']].append(log)
return feedback
def check_flake(filename, code):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a dictionary describing issues of code quality per line. See:
https://github.com/PyCQA/pyflakes
"""
import_all = "from microbit import *" in code
if import_all:
# Massage code so "from microbit import *" is expanded so the symbols
# are known to flake.
code = code.replace("from microbit import *", EXPANDED_IMPORT)
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
feedback = {}
for log in reporter.log:
if import_all:
# Guard to stop unwanted "microbit.* imported but unused" messages.
message = log['message']
if EXPAND_FALSE_POSITIVE.match(message):
continue
if log['line_no'] not in feedback:
feedback[log['line_no']] = []
feedback[log['line_no']].append(log)
return feedback
def check_flake(filename, code, builtins=None):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a dictionary describing issues of code quality per line. See:
https://github.com/PyCQA/pyflakes
If a list symbols is passed in as "builtins" these are assumed to be
additional builtins available when run by Mu.
"""
import_all = "from microbit import *" in code
if import_all:
# Massage code so "from microbit import *" is expanded so the symbols
# are known to flake.
code = code.replace("from microbit import *", EXPANDED_IMPORT)
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
if builtins:
builtins_regex = re.compile(r"^undefined name '(" +
'|'.join(builtins) + r")'")
feedback = {}
for log in reporter.log:
if import_all:
# Guard to stop unwanted "microbit.* imported but unused" messages.
message = log['message']
if EXPAND_FALSE_POSITIVE.match(message):
continue
if builtins:
if builtins_regex.match(log['message']):
continue
if log['line_no'] not in feedback:
feedback[log['line_no']] = []
feedback[log['line_no']].append(log)
return feedback
def pyflakes_report(code):
"""Inspect code using PyFlakes to detect any 'missing name' report.
Args:
code: A multiline string representing Python code
Returns: a list of names that have been reported missing by Flakes
"""
flakes_stdout = StreamList()
flakes_stderr = StreamList()
rep = pyflakes_reporter.Reporter(flakes_stdout.reset(),
flakes_stderr.reset())
pyflakes_api.check(code, filename="kale", reporter=rep)
# the stderr stream should be used just for compilation error, so if any
# message is found in the stderr stream, raise an exception
if rep._stderr():
raise RuntimeError("Flakes reported the following error:"
"\n{}".format('\t' + '\t'.join(rep._stderr())))
# Match names
p = r"'(.+?)'"
out = rep._stdout()
# Using a `set` to avoid repeating the same var names in case they are
# reported missing multiple times by flakes
undef_vars = set()
# iterate over all the flakes report output, keeping only lines
# with 'undefined name' reports
for line in filter(lambda a: a != '\n' and 'undefined name' in a, out):
var_search = re.search(p, line)
undef_vars.add(var_search.group(1))
return undef_vars
def check_flake(filename, code):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a list of items describing issues of code quality. See:
https://github.com/PyCQA/pyflakes
"""
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
return reporter.log
def check_flake(filename, code):
"""
Given a filename and some code to be checked, uses the PyFlakesmodule to
return a list of items describing issues of code quality. See:
https://github.com/PyCQA/pyflakes
"""
reporter = MuFlakeCodeReporter()
check(code, filename, reporter)
return reporter.log
def check_code(script):
"""Run pyflakes checks over the script and capture warnings/errors."""
errors = io.StringIO()
warnings = io.StringIO()
reporter = Reporter(warnings, errors)
check(script, "notebook", reporter)
warnings.seek(0)
errors.seek(0)
return warnings, errors
def run_pyflakes():
""" check if the code wer'e about to import is fine"""
returnSTRM = StringIO()
reporter = modReporter.Reporter(returnSTRM, returnSTRM)
with open("setup.py", "r") as file:
pyflask_api.check(file.read(), 'line', reporter)
output = returnSTRM.getvalue()
returnSTRM.close()
return output
def _pyflakes_annotations(path, text):
warning_stream = io.StringIO()
error_stream = io.StringIO()
reporter = pyflakes.modReporter.Reporter(warning_stream, error_stream)
pyflakes.check(text, path, reporter)
warnings = _get_annotations(path, warning_stream, _Style.warning)
errors = _get_annotations(path, error_stream, _Style.error)
return warnings + errors
def execute(self, finder):
issues = []
reporter = TidyPyReporter(self.config)
for filepath in finder.files(self.config['filters']):
try:
source = finder.read_file(filepath)
except EnvironmentError as exc:
issues.append(AccessIssue(exc, filepath))
else:
check(source, filepath, reporter)
return reporter.get_issues() + issues
def publish_diagnostic(source: str,
file_name=None) -> Tuple[WarningMsg, ErrorMsg]:
file_name = file_name or "<stdin>"
warning_buffer = StringIO()
error_buffer = StringIO()
reporter = Reporter(warning_buffer, error_buffer)
check(source, file_name, reporter)
LOGGER.debug("warning message: \n%s", warning_buffer.getvalue())
LOGGER.debug("error message: \n%s", error_buffer.getvalue())
return (warning_buffer.getvalue(), error_buffer.getvalue())
def main(files):
"""Call main in all given files."""
t1 = time.time()
for fn in files:
# Report the file name.
assert g.os_path_exists(fn), fn
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn)
if s and s.strip():
r = reporter.Reporter(errorStream=sys.stderr, warningStream=sys.stderr)
api.check(s, sfn, r)
t2 = time.time()
n = len(files)
print(f"{n} file{g.plural(n)}, time: {t2 - t1:5.2f} sec.")
def check_all(self, log_flag, pyflakes_errors_only, roots):
"""Run pyflakes on all files in paths."""
try:
from pyflakes import api, reporter
except Exception: # ModuleNotFoundError
return True # Pretend all is fine.
total_errors = 0
for i, root in enumerate(roots):
fn = self.finalize(root)
sfn = g.shortFileName(fn)
# #1306: nopyflakes
if any([
z.strip().startswith('@nopyflakes')
for z in g.splitLines(root.b)
]):
continue
# Report the file name.
s = g.readFileIntoEncodedString(fn)
if s and s.strip():
if not pyflakes_errors_only:
g.es(f"Pyflakes: {sfn}")
# Send all output to the log pane.
r = reporter.Reporter(
errorStream=self.LogStream(i, roots),
warningStream=self.LogStream(i, roots),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def test_snippets(snippet):
snippet.log_action(action="testing")
pyflakes_stream = StringIO()
if check(snippet.source, "", Reporter(pyflakes_stream, pyflakes_stream)):
logger.error(f"Pyflakes error: {pyflakes_stream.getvalue()}")
pytest.fail()
steadymark.Runner(text=f"```python\n{snippet.source}\n```").run()
def check_all(self, log_flag, paths):
'''Run pyflakes on all files in paths.'''
from pyflakes import api, reporter
total_errors = 0
for fn in sorted(paths):
# Report the file name.
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn, silent=False)
if s.strip():
g.es('Pyflakes: %s' % sfn)
# Send all output to the log pane.
class LogStream:
def write(self, s):
if s.strip():
g.es_print(s)
# It *is* useful to send pyflakes errors to the console.
r = reporter.Reporter(
errorStream=LogStream(),
warningStream=LogStream(),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def check_all(self, log_flag, paths, pyflakes_errors_only):
'''Run pyflakes on all files in paths.'''
from pyflakes import api, reporter
total_errors = 0
for fn in sorted(paths):
# Report the file name.
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn)
if s.strip():
if not pyflakes_errors_only:
g.es('Pyflakes: %s' % sfn)
# Send all output to the log pane.
class LogStream:
def write(self, s):
if s.strip():
g.es_print(s)
# It *is* useful to send pyflakes errors to the console.
r = reporter.Reporter(
errorStream=LogStream(),
warningStream=LogStream(),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def identify_missing(file_dict):
local_imports = {}
for key, file_names in file_dict.items():
if key in USED_FOLDER_EMAN2:
local_imports[key] = []
continue
input_dir = os.path.join(NO_IMPORTS_DIR, key)
for file_path in file_names:
basename = os.path.basename(file_path)
input_file_path = os.path.join(input_dir, basename)
reset_lists()
with open(input_file_path) as read:
file_content = read.read()
pyfl.check(file_content, basename, GLOBAL_REPORTER)
local_imports[basename] = GLOBAL_CHECKER.undefined_names
return local_imports
def main(files):
'''Call run on all tables in tables_table.'''
t1 = time.time()
for fn in files:
# Report the file name.
assert g.os_path_exists(fn), fn
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn)
if s and s.strip():
r = reporter.Reporter(
errorStream=sys.stderr,
warningStream=sys.stderr,
)
api.check(s, sfn, r)
t2 = time.time()
n = len(files)
print('%s file%s, time: %5.2f sec.' % (n, g.plural(n), t2 - t1))
def main(files):
'''Call run on all tables in tables_table.'''
t1 = time.time()
for fn in files:
# Report the file name.
assert g.os_path_exists(fn), fn
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn, silent=False)
if s and s.strip():
r = reporter.Reporter(
errorStream=sys.stderr,
warningStream=sys.stderr,
)
api.check(s, sfn, r)
t2 = time.time()
n = len(files)
print('%s file%s, time: %5.2f sec.' % (n, g.plural(n), t2-t1))
def check_script(self, p, script):
from pyflakes import api, reporter
r = reporter.Reporter(
errorStream=self.LogStream(),
warningStream=self.LogStream(),
)
errors = api.check(script, '', r)
return errors == 0
def check_and_get_results(filename, file_content=None):
rprter = PyFlakeReporter()
chk = check(file_content, filename, reporter=rprter)
if not chk:
return iter(())
for result in rprter.errors:
err_code, line, col, msg = result
msg = get_show_msg(err_code, msg, line, col)
yield (line, msg)
def inspect_code(self, code):
code = self._append_globals(code)
rep = reporter.Reporter(self.flakes_stdout.reset(),
self.flakes_stderr.reset())
api.check(code, filename="block", reporter=rep)
# Match names
p = r"'(.+?)'"
out = rep._stdout()
# Using set to avoid repeating same entry if same missing name is called multiple times
undef_vars = set()
for l in list(
filter(lambda a: a != '\n' and 'undefined name' in a, out)):
var_search = re.search(p, l)
undef_vars.add(var_search.group(1))
return set(undef_vars)
def check_source(nb):
"""
Run pyflakes on a notebook, wil catch errors such as missing passed
parameters that do not have default values
"""
# concatenate all cell's source code in a single string
source_code = '\n'.join([
_comment_if_ipython_magic(c['source']) for c in nb.cells
if c.cell_type == 'code'
])
# this objects are needed to capture pyflakes output
reporter = MyReporter()
# run pyflakes.api.check on the source code
pyflakes_api.check(source_code, filename='', reporter=reporter)
reporter._check()
def test_exception(self):
codes = [code1, code2, code3]
if sys.version_info < (2, 6):
codes[0] = code0
elif sys.version_info < (3,):
codes.insert(0, code0)
for code in codes:
reporter = FlakesTestReporter()
warnings = check(code, "(stdin)", reporter)
self.assertFalse(reporter.messages)
self.assertEqual(warnings, 0)
def check_script(self, p, script):
try:
from pyflakes import api, reporter
except Exception: # ModuleNotFoundError
return True # Pretend all is fine.
r = reporter.Reporter(
errorStream=self.LogStream(),
warningStream=self.LogStream(),
)
errors = api.check(script, '', r)
return errors == 0
def revisar_sintaxis_codigo(codigo: str) -> (int, str, str):
# pip install --upgrade pyflakes
import io
import pyflakes.api as api
from pyflakes import reporter as modReporter
warning_stream = io.StringIO()
error_stream = io.StringIO()
reporter = modReporter.Reporter(warning_stream, error_stream)
cantidad = api.check(codigo, 'Envio usuario, línea', reporter)
warnings = warning_stream.getvalue()
errores = error_stream.getvalue()
return (cantidad, warnings, errores)
def _handle_diagnosis(self):
reporter = PyflakesDiagnosticReport('')
self.document_id = -1
while 1:
try:
context = self._diagnosis_queue.get()
params = context['params']
if params['buffer_id'] <= self.document_id:
continue
self.document_id = params['buffer_id']
text_string = '\n'.join(params['buffer_content'])
reporter.SetContent(text_string)
pyflakes_api.check(text_string,
params['buffer_path'],
reporter=reporter)
res = reporter.GetDiagnosis()
rpc.DoCall('ECY#diagnostics#PlaceSign', [{
'engine_name': self.engine_name,
'res_list': res
}])
time.sleep(1)
except Exception as e:
logger.exception(e)
break
def check_script(self, p, script):
"""Call pyflakes to check the given script."""
try:
from pyflakes import api, reporter
except Exception: # ModuleNotFoundError
return True # Pretend all is fine.
# #1306: nopyflakes
lines = g.splitLines(p.b)
for line in lines:
if line.strip().startswith('@nopyflakes'):
return True
r = reporter.Reporter(
errorStream=self.LogStream(),
warningStream=self.LogStream(),
)
errors = api.check(script, '', r)
return errors == 0
def check_all(self, log_flag, paths, pyflakes_errors_only, roots=None):
'''Run pyflakes on all files in paths.'''
from pyflakes import api, reporter
total_errors = 0
# pylint: disable=cell-var-from-loop
for fn_n, fn in enumerate(sorted(paths)):
# Report the file name.
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn)
if s.strip():
if not pyflakes_errors_only:
g.es('Pyflakes: %s' % sfn)
# Send all output to the log pane.
r = reporter.Reporter(
errorStream=self.LogStream(fn_n, roots),
warningStream=self.LogStream(fn_n, roots),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def check_all(self, roots):
"""Run pyflakes on all files in paths."""
total_errors = 0
for i, root in enumerate(roots):
fn = self.finalize(root)
sfn = g.shortFileName(fn)
# #1306: nopyflakes
if any(z.strip().startswith('@nopyflakes')
for z in g.splitLines(root.b)):
continue
# Report the file name.
s = g.readFileIntoEncodedString(fn)
if s and s.strip():
# Send all output to the log pane.
r = reporter.Reporter(
errorStream=self.LogStream(i, roots),
warningStream=self.LogStream(i, roots),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def _flake_line(line_n):
undefined = 'undefined'
unused = 'unused'
redefinition = 'redefinition'
warnings = StringIO()
errors = StringIO()
rep = reporter.Reporter(warnings, errors)
code = '\n'.join(vim.current.buffer[:])
if api.check(code, 'f', rep):
warnings.seek(0)
errors = {
undefined: [],
unused: []
}
for line, error in [(int(x.split(':')[1]), x) for x in warnings.readlines()]:
if undefined in error and line == line_n:
module = error.split()[-1].strip("\n|'")
errors[undefined].append(module)
elif unused in error and redefinition not in error:
module = error.split()[1].strip(" |'")
errors[unused].append(module)
return errors
def check_all(self, log_flag, paths, pyflakes_errors_only, roots=None):
'''Run pyflakes on all files in paths.'''
try:
from pyflakes import api, reporter
except Exception: # ModuleNotFoundError
return True # Pretend all is fine.
total_errors = 0
# pylint: disable=cell-var-from-loop
for fn_n, fn in enumerate(sorted(paths)):
# Report the file name.
sfn = g.shortFileName(fn)
s = g.readFileIntoEncodedString(fn)
if s.strip():
if not pyflakes_errors_only:
g.es('Pyflakes: %s' % sfn)
# Send all output to the log pane.
r = reporter.Reporter(
errorStream=self.LogStream(fn_n, roots),
warningStream=self.LogStream(fn_n, roots),
)
errors = api.check(s, sfn, r)
total_errors += errors
return total_errors
def _flake_line(line_n):
undefined = 'undefined'
unused = 'unused'
redefinition = 'redefinition'
warnings = StringIO()
errors = StringIO()
rep = reporter.Reporter(warnings, errors)
code = '\n'.join(vim.current.buffer[:])
if api.check(code, 'f', rep):
warnings.seek(0)
errors = {undefined: [], unused: []}
for line, error in [(int(x.split(':')[1]), x)
for x in warnings.readlines()]:
if undefined in error and line == line_n:
module = error.split()[-1].strip("\n|'")
errors[undefined].append(module)
elif unused in error and redefinition not in error:
module = error.split()[1].strip(" |'")
errors[unused].append(module)
return errors
def pylsp_lint(document):
reporter = PyflakesDiagnosticReport(document.lines)
pyflakes_api.check(document.source.encode('utf-8'),
document.path,
reporter=reporter)
return reporter.diagnostics
def run(self, doc_uri):
document = self.workspace.get_document(doc_uri)
reporter = PyflakesDiagnosticReport(document.lines)
pyflakes_api.check(document.source, doc_uri, reporter=reporter)
return reporter.diagnostics
def test_import_exception_in_scope(self):
reporter = FlakesTestReporter()
warnings = check(code_import_exception, "(stdin)", reporter)
self.assertFalse(reporter.messages)
self.assertEqual(warnings, 0)
def set_source_text(text):
global _reporter
assert isinstance(_reporter, Reporter)
_reporter.reset()
check(text, "<stdin>", _reporter)
_reporter.improve_errors_positions(text)
def set_source_text(text):
global _reporter
assert isinstance(_reporter, Reporter)
_reporter.reset()
check(text, "<stdin>", _reporter)
_reporter.improve_errors_positions(text)
else:
find_multiline = '\n{0}'.format(string).join(
[entry.strip() for entry in lines[idx].split(';')])
no_import_lines[
idx] = '{0}pass#IMPORTIMPORTIMPORT {1}\n'.format(
string, find_multiline)
correct_imports = list(set(correct_imports))
while True:
stop = False
need_intervention = False
Checker.undefined_names = []
Checker.unused_imports = []
reporter.undefined_names = []
file_content = ''.join(no_from_import_lines)
pyfl.check(file_content, file_name, reporter)
if not options.silent:
with open(os.path.join('tmp', os.path.basename(file_name)),
'w') as write:
write.write(file_content)
if not options.silent:
file_content = ''.join(no_import_lines)
with open(
os.path.join('no_import', os.path.basename(file_name)),
'w') as write:
write.write(file_content)
if not reporter.undefined_names:
stop = True
