def __init__(self, text, code=None, filename=None):
self.text = text
if code:
self.code = code
else:
try:
self.code = compile_unicode(text, filename, "exec")
except SyntaxError as synerr:
raise NotPython(
u"Couldn't parse '%s' as Python source: '%s' at line %d" % (
filename, synerr.msg, synerr.lineno
)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code analysis.\n"
"Run coverage.py under CPython for this command."
)
python类py()的实例源码
def __init__(self, code=None, text=None, filename=None):
if code:
self.code = code
self.text = text
else:
if not text:
assert filename, "If no code or text, need a filename"
sourcef = open_source(filename)
try:
text = sourcef.read()
finally:
sourcef.close()
self.text = text
try:
# Python 2.3 and 2.4 don't like partial last lines, so be sure
# the text ends nicely for them.
self.code = compile(text + '\n', filename, "exec")
except SyntaxError:
_, synerr, _ = sys.exc_info()
raise NotPython(
"Couldn't parse '%s' as Python source: '%s' at line %d" %
(filename, synerr.msg, synerr.lineno)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code "
"analysis.\n"
"Run coverage.py under CPython for this command."
)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
def __init__(self, code=None, text=None, filename=None):
if code:
self.code = code
self.text = text
else:
if not text:
assert filename, "If no code or text, need a filename"
sourcef = open_source(filename)
try:
text = sourcef.read()
finally:
sourcef.close()
self.text = text
try:
# Python 2.3 and 2.4 don't like partial last lines, so be sure
# the text ends nicely for them.
self.code = compile(text + '\n', filename, "exec")
except SyntaxError:
_, synerr, _ = sys.exc_info()
raise NotPython(
"Couldn't parse '%s' as Python source: '%s' at line %d" %
(filename, synerr.msg, synerr.lineno)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code "
"analysis.\n"
"Run coverage.py under CPython for this command."
)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
def __init__(self, code=None, text=None, filename=None):
if code:
self.code = code
self.text = text
else:
if not text:
assert filename, "If no code or text, need a filename"
sourcef = open_source(filename)
try:
text = sourcef.read()
finally:
sourcef.close()
self.text = text
try:
# Python 2.3 and 2.4 don't like partial last lines, so be sure
# the text ends nicely for them.
self.code = compile(text + '\n', filename, "exec")
except SyntaxError:
_, synerr, _ = sys.exc_info()
raise NotPython(
"Couldn't parse '%s' as Python source: '%s' at line %d" %
(filename, synerr.msg, synerr.lineno)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code "
"analysis.\n"
"Run coverage.py under CPython for this command."
)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
def __init__(self, code=None, text=None, filename=None):
if code:
self.code = code
self.text = text
else:
if not text:
assert filename, "If no code or text, need a filename"
sourcef = open_source(filename)
try:
text = sourcef.read()
finally:
sourcef.close()
self.text = text
try:
# Python 2.3 and 2.4 don't like partial last lines, so be sure
# the text ends nicely for them.
self.code = compile(text + '\n', filename, "exec")
except SyntaxError:
_, synerr, _ = sys.exc_info()
raise NotPython(
"Couldn't parse '%s' as Python source: '%s' at line %d" %
(filename, synerr.msg, synerr.lineno)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code "
"analysis.\n"
"Run coverage.py under CPython for this command."
)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
def __init__(self, code=None, text=None, filename=None):
if code:
self.code = code
self.text = text
else:
if not text:
assert filename, "If no code or text, need a filename"
sourcef = open_source(filename)
try:
text = sourcef.read()
finally:
sourcef.close()
self.text = text
try:
# Python 2.3 and 2.4 don't like partial last lines, so be sure
# the text ends nicely for them.
self.code = compile(text + '\n', filename, "exec")
except SyntaxError:
_, synerr, _ = sys.exc_info()
raise NotPython(
"Couldn't parse '%s' as Python source: '%s' at line %d" %
(filename, synerr.msg, synerr.lineno)
)
# Alternative Python implementations don't always provide all the
# attributes on code objects that we need to do the analysis.
for attr in ['co_lnotab', 'co_firstlineno', 'co_consts', 'co_code']:
if not hasattr(self.code, attr):
raise CoverageException(
"This implementation of Python doesn't support code "
"analysis.\n"
"Run coverage.py under CPython for this command."
)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
def _bytes_lines(self):
"""Map byte offsets to line numbers in `code`.
Uses co_lnotab described in Python/compile.c to map byte offsets to
line numbers. Produces a sequence: (b0, l0), (b1, l1), ...
Only byte offsets that correspond to line numbers are included in the
results.
"""
# Adapted from dis.py in the standard library.
byte_increments = bytes_to_ints(self.code.co_lnotab[0::2])
line_increments = bytes_to_ints(self.code.co_lnotab[1::2])
last_line_num = None
line_num = self.code.co_firstlineno
byte_num = 0
for byte_incr, line_incr in zip(byte_increments, line_increments):
if byte_incr:
if line_num != last_line_num:
yield (byte_num, line_num)
last_line_num = line_num
byte_num += byte_incr
line_num += line_incr
if line_num != last_line_num:
yield (byte_num, line_num)
