def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
python类BadCommand()的实例源码
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def find_command(cmd, paths=None, pathext=None):
"""Searches the PATH for the given command and returns its path"""
if paths is None:
paths = os.environ.get('PATH', '').split(os.pathsep)
if isinstance(paths, string_types):
paths = [paths]
# check if there are funny path extensions for executables, e.g. Windows
if pathext is None:
pathext = get_pathext()
pathext = [ext for ext in pathext.lower().split(os.pathsep) if len(ext)]
# don't use extensions if the command ends with one of them
if os.path.splitext(cmd)[1].lower() in pathext:
pathext = ['']
# check if we find the command on PATH
for path in paths:
# try without extension first
cmd_path = os.path.join(path, cmd)
for ext in pathext:
# then including the extension
cmd_path_ext = cmd_path + ext
if os.path.isfile(cmd_path_ext):
return cmd_path_ext
if os.path.isfile(cmd_path):
return cmd_path
raise BadCommand('Cannot find command %r' % cmd)
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_level=logging.DEBUG, command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode, command_level,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def find_command(cmd, paths=None, pathext=None):
"""Searches the PATH for the given command and returns its path"""
if paths is None:
paths = os.environ.get('PATH', '').split(os.pathsep)
if isinstance(paths, string_types):
paths = [paths]
# check if there are funny path extensions for executables, e.g. Windows
if pathext is None:
pathext = get_pathext()
pathext = [ext for ext in pathext.lower().split(os.pathsep) if len(ext)]
# don't use extensions if the command ends with one of them
if os.path.splitext(cmd)[1].lower() in pathext:
pathext = ['']
# check if we find the command on PATH
for path in paths:
# try without extension first
cmd_path = os.path.join(path, cmd)
for ext in pathext:
# then including the extension
cmd_path_ext = cmd_path + ext
if os.path.isfile(cmd_path_ext):
return cmd_path_ext
if os.path.isfile(cmd_path):
return cmd_path
raise BadCommand('Cannot find command %r' % cmd)
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
def get_src_requirement(dist, location):
version_control = vcs.get_backend_from_location(location)
if version_control:
try:
return version_control().get_src_requirement(dist,
location)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
version_control.name,
)
return dist.as_requirement()
logger.warning(
'cannot determine version of editable source in %s (is not SVN '
'checkout, Git clone, Mercurial clone or Bazaar branch)',
location,
)
return dist.as_requirement()
def run_command(self, cmd, show_stdout=True, cwd=None,
on_returncode='raise',
command_desc=None,
extra_environ=None, spinner=None):
"""
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
"""
cmd = [self.name] + cmd
try:
return call_subprocess(cmd, show_stdout, cwd,
on_returncode,
command_desc, extra_environ,
spinner)
except OSError as e:
# errno.ENOENT = no such file or directory
# In other words, the VCS executable isn't available
if e.errno == errno.ENOENT:
raise BadCommand('Cannot find command %r' % self.name)
else:
raise # re-raise exception if a different error occurred
