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"""
This module should be run to recreate the files that we generate automatically
(i.e.: modules that shouldn't be traced and cython .pyx)
"""
from __future__ import print_function
import os
import struct
import re
def is_python_64bit():
return struct.calcsize("P") == 8
root_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
def get_cython_contents(filename):
if filename.endswith(".pyc"):
filename = filename[:-1]
state = "regular"
replacements = []
new_contents = []
with open(filename, "r") as stream:
for line in stream:
strip = line.strip()
if state == "regular":
if strip == "# IFDEF CYTHON":
state = "cython"
new_contents.append(
"%s -- DONT EDIT THIS FILE (it is automatically generated)\n" % line.replace("\n", "").replace("\r", "")
)
continue
new_contents.append(line)
elif state == "cython":
if strip == "# ELSE":
state = "nocython"
new_contents.append(line)
continue
elif strip == "# ENDIF":
state = "regular"
new_contents.append(line)
continue
if strip == "#":
continue
assert strip.startswith("# "), 'Line inside # IFDEF CYTHON must start with "# ". Found: %s' % (strip,)
strip = strip.replace("# ", "", 1).strip()
if strip.startswith("cython_inline_constant:"):
strip = strip.replace("cython_inline_constant:", "")
word_to_replace, replacement = strip.split("=")
replacements.append((word_to_replace.strip(), replacement.strip()))
continue
line = line.replace("# ", "", 1)
new_contents.append(line)
elif state == "nocython":
if strip == "# ENDIF":
state = "regular"
new_contents.append(line)
continue
new_contents.append("# %s" % line)
assert state == "regular", "Error: # IFDEF CYTHON found without # ENDIF"
ret = "".join(new_contents)
for word_to_replace, replacement in replacements:
ret = re.sub(r"\b%s\b" % (word_to_replace,), replacement, ret)
return ret
def _generate_cython_from_files(target, modules):
contents = [
"""from __future__ import print_function
# Important: Autogenerated file.
# DO NOT edit manually!
# DO NOT edit manually!
"""
]
found = []
for mod in modules:
found.append(mod.__file__)
contents.append(get_cython_contents(mod.__file__))
print("Generating cython from: %s" % (found,))
with open(target, "w") as stream:
stream.write("".join(contents))
def generate_dont_trace_files():
template = """# Important: Autogenerated file.
# fmt: off
# DO NOT edit manually!
# DO NOT edit manually!
LIB_FILE = 1
PYDEV_FILE = 2
DONT_TRACE_DIRS = {
%(pydev_dirs)s
}
LIB_FILES_IN_DONT_TRACE_DIRS = {
%(pydev_lib_files_in_dont_trace_dirs)s
}
DONT_TRACE = {
# commonly used things from the stdlib that we don't want to trace
'Queue.py':LIB_FILE,
'queue.py':LIB_FILE,
'socket.py':LIB_FILE,
'weakref.py':LIB_FILE,
'_weakrefset.py':LIB_FILE,
'linecache.py':LIB_FILE,
'threading.py':LIB_FILE,
'dis.py':LIB_FILE,
# things from pydev that we don't want to trace
%(pydev_files)s
}
# if we try to trace io.py it seems it can get halted (see http://bugs.python.org/issue4716)
DONT_TRACE['io.py'] = LIB_FILE
# Don't trace common encodings too
DONT_TRACE['cp1252.py'] = LIB_FILE
DONT_TRACE['utf_8.py'] = LIB_FILE
DONT_TRACE['codecs.py'] = LIB_FILE
# fmt: on
"""
pydev_files = []
pydev_dirs = []
pydev_lib_files_in_dont_trace_dirs = []
exclude_dirs = [
".git",
".settings",
"build",
"build_tools",
"dist",
"pydevd.egg-info",
"pydevd_attach_to_process",
"pydev_sitecustomize",
"stubs",
"tests",
"tests_mainloop",
"tests_python",
"tests_runfiles",
"test_pydevd_reload",
"third_party",
"__pycache__",
"vendored",
".mypy_cache",
"pydevd.egg-info",
]
for root, dirs, files in os.walk(root_dir):
for d in dirs:
if d == "pydev_ipython":
pydev_dirs.append(" '%s': LIB_FILE," % (d,))
continue
if "pydev" in d and d != "pydevd.egg-info":
# print(os.path.join(root, d))
pydev_dirs.append(" '%s': PYDEV_FILE," % (d,))
for d in exclude_dirs:
try:
dirs.remove(d)
except:
pass
if os.path.basename(root) == "pydev_ipython":
for f in files:
if f.endswith(".py"):
pydev_lib_files_in_dont_trace_dirs.append(" '%s'," % (f,))
continue
for f in files:
if f.endswith(".py"):
if f not in (
"__init__.py",
"runfiles.py",
"pydev_coverage.py",
"pydev_pysrc.py",
"setup.py",
"setup_pydevd_cython.py",
"interpreterInfo.py",
"conftest.py",
):
pydev_files.append(" '%s': PYDEV_FILE," % (f,))
contents = template % (
dict(
pydev_files="\n".join(sorted(set(pydev_files))),
pydev_dirs="\n".join(sorted(set(pydev_dirs))),
pydev_lib_files_in_dont_trace_dirs="\n".join(sorted(set(pydev_lib_files_in_dont_trace_dirs))),
)
)
assert "pydevd.py" in contents
assert "pydevd_dont_trace.py" in contents
with open(os.path.join(root_dir, "_pydevd_bundle", "pydevd_dont_trace_files.py"), "w") as stream:
stream.write(contents)
def remove_if_exists(f):
try:
if os.path.exists(f):
os.remove(f)
except:
import traceback
traceback.print_exc()
def generate_cython_module():
_generate_cython_module()
_generate_sys_monitoring_cython_module()
def _generate_cython_module():
print("Removing pydevd_cython.pyx")
remove_if_exists(os.path.join(root_dir, "_pydevd_bundle", "pydevd_cython.pyx"))
target = os.path.join(root_dir, "_pydevd_bundle", "pydevd_cython.pyx")
curr = os.environ.get("PYDEVD_USE_CYTHON")
try:
os.environ["PYDEVD_USE_CYTHON"] = "NO"
from _pydevd_bundle import pydevd_additional_thread_info_regular
from _pydevd_bundle import pydevd_frame, pydevd_trace_dispatch_regular
_generate_cython_from_files(target, [pydevd_additional_thread_info_regular, pydevd_frame, pydevd_trace_dispatch_regular])
finally:
if curr is None:
del os.environ["PYDEVD_USE_CYTHON"]
else:
os.environ["PYDEVD_USE_CYTHON"] = curr
def _generate_sys_monitoring_cython_module():
print("Removing _pydevd_sys_monitoring_cython.pyx")
remove_if_exists(os.path.join(root_dir, "_pydevd_sys_monitoring", "_pydevd_sys_monitoring_cython.pyx"))
target = os.path.join(root_dir, "_pydevd_sys_monitoring", "_pydevd_sys_monitoring_cython.pyx")
curr = os.environ.get("PYDEVD_USE_CYTHON")
try:
os.environ["PYDEVD_USE_CYTHON"] = "NO"
from _pydevd_sys_monitoring import _pydevd_sys_monitoring
_generate_cython_from_files(target, [_pydevd_sys_monitoring])
finally:
if curr is None:
del os.environ["PYDEVD_USE_CYTHON"]
else:
os.environ["PYDEVD_USE_CYTHON"] = curr
if __name__ == "__main__":
generate_dont_trace_files()
generate_cython_module()
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