Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/coverage/config.py

+"""Config file for coverage.py"""
+
+import os
+from coverage.backward import configparser          # pylint: disable=W0622
+
+# The default line exclusion regexes
+DEFAULT_EXCLUDE = [
+    '(?i)# *pragma[: ]*no *cover',
+    ]
+
+# The default partial branch regexes, to be modified by the user.
+DEFAULT_PARTIAL = [
+    '(?i)# *pragma[: ]*no *branch',
+    ]
+
+# The default partial branch regexes, based on Python semantics.
+# These are any Python branching constructs that can't actually execute all
+# their branches.
+DEFAULT_PARTIAL_ALWAYS = [
+    'while (True|1|False|0):',
+    'if (True|1|False|0):',
+    ]
+
+
+class CoverageConfig(object):
+    """Coverage.py configuration.
+
+    The attributes of this class are the various settings that control the
+    operation of coverage.py.
+
+    """
+
+    def __init__(self):
+        """Initialize the configuration attributes to their defaults."""
+        # Defaults for [run]
+        self.branch = False
+        self.cover_pylib = False
+        self.data_file = ".coverage"
+        self.parallel = False
+        self.timid = False
+        self.source = None
+
+        # Defaults for [report]
+        self.exclude_list = DEFAULT_EXCLUDE[:]
+        self.ignore_errors = False
+        self.include = None
+        self.omit = None
+        self.partial_list = DEFAULT_PARTIAL[:]
+        self.partial_always_list = DEFAULT_PARTIAL_ALWAYS[:]
+        self.precision = 0
+
+        # Defaults for [html]
+        self.html_dir = "htmlcov"
+
+        # Defaults for [xml]
+        self.xml_output = "coverage.xml"
+
+        # Defaults for [paths]
+        self.paths = {}
+
+    def from_environment(self, env_var):
+        """Read configuration from the `env_var` environment variable."""
+        # Timidity: for nose users, read an environment variable.  This is a
+        # cheap hack, since the rest of the command line arguments aren't
+        # recognized, but it solves some users' problems.
+        env = os.environ.get(env_var, '')
+        if env:
+            self.timid = ('--timid' in env)
+
+    def from_args(self, **kwargs):
+        """Read config values from `kwargs`."""
+        for k, v in kwargs.items():
+            if v is not None:
+                setattr(self, k, v)
+
+    def from_file(self, *files):
+        """Read configuration from .rc files.
+
+        Each argument in `files` is a file name to read.
+
+        """
+        cp = configparser.RawConfigParser()
+        cp.read(files)
+
+        # [run]
+        if cp.has_option('run', 'branch'):
+            self.branch = cp.getboolean('run', 'branch')
+        if cp.has_option('run', 'cover_pylib'):
+            self.cover_pylib = cp.getboolean('run', 'cover_pylib')
+        if cp.has_option('run', 'data_file'):
+            self.data_file = cp.get('run', 'data_file')
+        if cp.has_option('run', 'include'):
+            self.include = self.get_list(cp, 'run', 'include')
+        if cp.has_option('run', 'omit'):
+            self.omit = self.get_list(cp, 'run', 'omit')
+        if cp.has_option('run', 'parallel'):
+            self.parallel = cp.getboolean('run', 'parallel')
+        if cp.has_option('run', 'source'):
+            self.source = self.get_list(cp, 'run', 'source')
+        if cp.has_option('run', 'timid'):
+            self.timid = cp.getboolean('run', 'timid')
+
+        # [report]
+        if cp.has_option('report', 'exclude_lines'):
+            self.exclude_list = \
+                self.get_line_list(cp, 'report', 'exclude_lines')
+        if cp.has_option('report', 'ignore_errors'):
+            self.ignore_errors = cp.getboolean('report', 'ignore_errors')
+        if cp.has_option('report', 'include'):
+            self.include = self.get_list(cp, 'report', 'include')
+        if cp.has_option('report', 'omit'):
+            self.omit = self.get_list(cp, 'report', 'omit')
+        if cp.has_option('report', 'partial_branches'):
+            self.partial_list = \
+                self.get_line_list(cp, 'report', 'partial_branches')
+        if cp.has_option('report', 'partial_branches_always'):
+            self.partial_always_list = \
+                self.get_line_list(cp, 'report', 'partial_branches_always')
+        if cp.has_option('report', 'precision'):
+            self.precision = cp.getint('report', 'precision')
+
+        # [html]
+        if cp.has_option('html', 'directory'):
+            self.html_dir = cp.get('html', 'directory')
+
+        # [xml]
+        if cp.has_option('xml', 'output'):
+            self.xml_output = cp.get('xml', 'output')
+
+        # [paths]
+        if cp.has_section('paths'):
+            for option in cp.options('paths'):
+                self.paths[option] = self.get_list(cp, 'paths', option)
+
+    def get_list(self, cp, section, option):
+        """Read a list of strings from the ConfigParser `cp`.
+
+        The value of `section` and `option` is treated as a comma- and newline-
+        separated list of strings.  Each value is stripped of whitespace.
+
+        Returns the list of strings.
+
+        """
+        value_list = cp.get(section, option)
+        values = []
+        for value_line in value_list.split('\n'):
+            for value in value_line.split(','):
+                value = value.strip()
+                if value:
+                    values.append(value)
+        return values
+
+    def get_line_list(self, cp, section, option):
+        """Read a list of full-line strings from the ConfigParser `cp`.
+
+        The value of `section` and `option` is treated as a newline-separated
+        list of strings.  Each value is stripped of whitespace.
+
+        Returns the list of strings.
+
+        """
+        value_list = cp.get(section, option)
+        return list(filter(None, value_list.split('\n')))
+