FM / Cython

/opt/cloudlinux/venv/lib/python3.11/site-packages/Cython/

/opt/cloudlinux/venv/lib/python3.11/site-packages/Cython

Name	Size	Mode	Actions
Build/	-	0755	rm
Compiler/	-	0755	rm
Debugger/	-	0755	rm
Distutils/	-	0755	rm
Includes/	-	0755	rm
Plex/	-	0755	rm
Runtime/	-	0755	rm
Tempita/	-	0755	rm
Tests/	-	0755	rm
Utility/	-	0755	rm
__pycache__/	-	0755	rm
CodeWriter.py	23998	0644	edit dl rm
Coverage.py	13537	0644	edit dl rm
Debugging.py	552	0644	edit dl rm
Shadow.py	13007	0644	edit dl rm
StringIOTree.py	3336	0644	edit dl rm
TestUtils.py	7979	0644	edit dl rm
Utils.py	14300	0644	edit dl rm
__init__.py	358	0644	edit dl rm

Edit: /opt/cloudlinux/venv/lib/python3.11/site-packages/Cython/Coverage.py (13537B)

"""
A Cython plugin for coverage.py

Requires the coverage package at least in version 4.0 (which added the plugin API).
"""

from __future__ import absolute_import

import re
import os.path
import sys
from collections import defaultdict

from coverage.plugin import CoveragePlugin, FileTracer, FileReporter  # requires coverage.py 4.0+
from coverage.files import canonical_filename

from .Utils import find_root_package_dir, is_package_dir, open_source_file

from . import __version__

C_FILE_EXTENSIONS = ['.c', '.cpp', '.cc', '.cxx']
MODULE_FILE_EXTENSIONS = set(['.py', '.pyx', '.pxd'] + C_FILE_EXTENSIONS)

def _find_c_source(base_path):
    file_exists = os.path.exists
    for ext in C_FILE_EXTENSIONS:
        file_name = base_path + ext
        if file_exists(file_name):
            return file_name
    return None

def _find_dep_file_path(main_file, file_path, relative_path_search=False):
    abs_path = os.path.abspath(file_path)
    if not os.path.exists(abs_path) and (file_path.endswith('.pxi') or
                                         relative_path_search):
        # files are looked up relative to the main source file
        rel_file_path = os.path.join(os.path.dirname(main_file), file_path)
        if os.path.exists(rel_file_path):
            abs_path = os.path.abspath(rel_file_path)
    # search sys.path for external locations if a valid file hasn't been found
    if not os.path.exists(abs_path):
        for sys_path in sys.path:
            test_path = os.path.realpath(os.path.join(sys_path, file_path))
            if os.path.exists(test_path):
                return canonical_filename(test_path)
    return canonical_filename(abs_path)

class Plugin(CoveragePlugin):
    # map from traced file paths to absolute file paths
    _file_path_map = None
    # map from traced file paths to corresponding C files
    _c_files_map = None
    # map from parsed C files to their content
    _parsed_c_files = None

def sys_info(self):
        return [('Cython version', __version__)]

def file_tracer(self, filename):
        """
        Try to find a C source file for a file path found by the tracer.
        """
        if filename.startswith('<') or filename.startswith('memory:'):
            return None
        c_file = py_file = None
        filename = canonical_filename(os.path.abspath(filename))
        if self._c_files_map and filename in self._c_files_map:
            c_file = self._c_files_map[filename][0]

if c_file is None:
            c_file, py_file = self._find_source_files(filename)
            if not c_file:
                return None  # unknown file

# parse all source file paths and lines from C file
            # to learn about all relevant source files right away (pyx/pxi/pxd)
            # FIXME: this might already be too late if the first executed line
            #        is not from the main .pyx file but a file with a different
            #        name than the .c file (which prevents us from finding the
            #        .c file)
            _, code = self._read_source_lines(c_file, filename)
            if code is None:
                return None  # no source found

if self._file_path_map is None:
            self._file_path_map = {}
        return CythonModuleTracer(filename, py_file, c_file, self._c_files_map, self._file_path_map)

def file_reporter(self, filename):
        # TODO: let coverage.py handle .py files itself
        #ext = os.path.splitext(filename)[1].lower()
        #if ext == '.py':
        #    from coverage.python import PythonFileReporter
        #    return PythonFileReporter(filename)

filename = canonical_filename(os.path.abspath(filename))
        if self._c_files_map and filename in self._c_files_map:
            c_file, rel_file_path, code = self._c_files_map[filename]
        else:
            c_file, _ = self._find_source_files(filename)
            if not c_file:
                return None  # unknown file
            rel_file_path, code = self._read_source_lines(c_file, filename)
            if code is None:
                return None  # no source found
        return CythonModuleReporter(c_file, filename, rel_file_path, code)

def _find_source_files(self, filename):
        basename, ext = os.path.splitext(filename)
        ext = ext.lower()
        if ext in MODULE_FILE_EXTENSIONS:
            pass
        elif ext == '.pyd':
            # Windows extension module
            platform_suffix = re.search(r'[.]cp[0-9]+-win[_a-z0-9]*$', basename, re.I)
            if platform_suffix:
                basename = basename[:platform_suffix.start()]
        elif ext == '.so':
            # Linux/Unix/Mac extension module
            platform_suffix = re.search(r'[.](?:cpython|pypy)-[0-9]+[-_a-z0-9]*$', basename, re.I)
            if platform_suffix:
                basename = basename[:platform_suffix.start()]
        elif ext == '.pxi':
            # if we get here, it means that the first traced line of a Cython module was
            # not in the main module but in an include file, so try a little harder to
            # find the main source file
            self._find_c_source_files(os.path.dirname(filename), filename)
            if filename in self._c_files_map:
                return self._c_files_map[filename][0], None
        else:
            # none of our business
            return None, None

c_file = filename if ext in C_FILE_EXTENSIONS else _find_c_source(basename)
        if c_file is None:
            # a module "pkg/mod.so" can have a source file "pkg/pkg.mod.c"
            package_root = find_root_package_dir.uncached(filename)
            package_path = os.path.relpath(basename, package_root).split(os.path.sep)
            if len(package_path) > 1:
                test_basepath = os.path.join(os.path.dirname(filename), '.'.join(package_path))
                c_file = _find_c_source(test_basepath)

py_source_file = None
        if c_file:
            py_source_file = os.path.splitext(c_file)[0] + '.py'
            if not os.path.exists(py_source_file):
                py_source_file = None

try:
                with open(c_file, 'rb') as f:
                    if b'/* Generated by Cython ' not in f.read(30):
                        return None, None  # not a Cython file
            except (IOError, OSError):
                c_file = None

return c_file, py_source_file

def _find_c_source_files(self, dir_path, source_file):
        """
        Desperately parse all C files in the directory or its package parents
        (not re-descending) to find the (included) source file in one of them.
        """
        if not os.path.isdir(dir_path):
            return
        splitext = os.path.splitext
        for filename in os.listdir(dir_path):
            ext = splitext(filename)[1].lower()
            if ext in C_FILE_EXTENSIONS:
                self._read_source_lines(os.path.join(dir_path, filename), source_file)
                if source_file in self._c_files_map:
                    return
        # not found? then try one package up
        if is_package_dir(dir_path):
            self._find_c_source_files(os.path.dirname(dir_path), source_file)

def _read_source_lines(self, c_file, sourcefile):
        """
        Parse a Cython generated C/C++ source file and find the executable lines.
        Each executable line starts with a comment header that states source file
        and line number, as well as the surrounding range of source code lines.
        """
        if self._parsed_c_files is None:
            self._parsed_c_files = {}
        if c_file in self._parsed_c_files:
            code_lines = self._parsed_c_files[c_file]
        else:
            code_lines = self._parse_cfile_lines(c_file)
            self._parsed_c_files[c_file] = code_lines

if self._c_files_map is None:
            self._c_files_map = {}

for filename, code in code_lines.items():
            abs_path = _find_dep_file_path(c_file, filename,
                                           relative_path_search=True)
            self._c_files_map[abs_path] = (c_file, filename, code)

if sourcefile not in self._c_files_map:
            return (None,) * 2  # e.g. shared library file
        return self._c_files_map[sourcefile][1:]

def _parse_cfile_lines(self, c_file):
        """
        Parse a C file and extract all source file lines that generated executable code.
        """
        match_source_path_line = re.compile(r' */[*] +"(.*)":([0-9]+)$').match
        match_current_code_line = re.compile(r' *[*] (.*) # <<<<<<+$').match
        match_comment_end = re.compile(r' *[*]/$').match
        match_trace_line = re.compile(r' *__Pyx_TraceLine\(([0-9]+),').match
        not_executable = re.compile(
            r'\s*c(?:type)?def\s+'
            r'(?:(?:public|external)\s+)?'
            r'(?:struct|union|enum|class)'
            r'(\s+[^:]+|)\s*:'
        ).match

code_lines = defaultdict(dict)
        executable_lines = defaultdict(set)
        current_filename = None

with open(c_file) as lines:
            lines = iter(lines)
            for line in lines:
                match = match_source_path_line(line)
                if not match:
                    if '__Pyx_TraceLine(' in line and current_filename is not None:
                        trace_line = match_trace_line(line)
                        if trace_line:
                            executable_lines[current_filename].add(int(trace_line.group(1)))
                    continue
                filename, lineno = match.groups()
                current_filename = filename
                lineno = int(lineno)
                for comment_line in lines:
                    match = match_current_code_line(comment_line)
                    if match:
                        code_line = match.group(1).rstrip()
                        if not_executable(code_line):
                            break
                        code_lines[filename][lineno] = code_line
                        break
                    elif match_comment_end(comment_line):
                        # unexpected comment format - false positive?
                        break

# Remove lines that generated code but are not traceable.
        for filename, lines in code_lines.items():
            dead_lines = set(lines).difference(executable_lines.get(filename, ()))
            for lineno in dead_lines:
                del lines[lineno]
        return code_lines

class CythonModuleTracer(FileTracer):
    """
    Find the Python/Cython source file for a Cython module.
    """
    def __init__(self, module_file, py_file, c_file, c_files_map, file_path_map):
        super(CythonModuleTracer, self).__init__()
        self.module_file = module_file
        self.py_file = py_file
        self.c_file = c_file
        self._c_files_map = c_files_map
        self._file_path_map = file_path_map

def has_dynamic_source_filename(self):
        return True

def dynamic_source_filename(self, filename, frame):
        """
        Determine source file path.  Called by the function call tracer.
        """
        source_file = frame.f_code.co_filename
        try:
            return self._file_path_map[source_file]
        except KeyError:
            pass
        abs_path = _find_dep_file_path(filename, source_file)

if self.py_file and source_file[-3:].lower() == '.py':
            # always let coverage.py handle this case itself
            self._file_path_map[source_file] = self.py_file
            return self.py_file

assert self._c_files_map is not None
        if abs_path not in self._c_files_map:
            self._c_files_map[abs_path] = (self.c_file, source_file, None)
        self._file_path_map[source_file] = abs_path
        return abs_path

class CythonModuleReporter(FileReporter):
    """
    Provide detailed trace information for one source file to coverage.py.
    """
    def __init__(self, c_file, source_file, rel_file_path, code):
        super(CythonModuleReporter, self).__init__(source_file)
        self.name = rel_file_path
        self.c_file = c_file
        self._code = code

def lines(self):
        """
        Return set of line numbers that are possibly executable.
        """
        return set(self._code)

def _iter_source_tokens(self):
        current_line = 1
        for line_no, code_line in sorted(self._code.items()):
            while line_no > current_line:
                yield []
                current_line += 1
            yield [('txt', code_line)]
            current_line += 1

def source(self):
        """
        Return the source code of the file as a string.
        """
        if os.path.exists(self.filename):
            with open_source_file(self.filename) as f:
                return f.read()
        else:
            return '\n'.join(
                (tokens[0][1] if tokens else '')
                for tokens in self._iter_source_tokens())

def source_token_lines(self):
        """
        Iterate over the source code tokens.
        """
        if os.path.exists(self.filename):
            with open_source_file(self.filename) as f:
                for line in f:
                    yield [('txt', line.rstrip('\n'))]
        else:
            for line in self._iter_source_tokens():
                yield [('txt', line)]

def coverage_init(reg, options):
    reg.add_file_tracer(Plugin())

cmd: