def evalsc(command): """Evaluate special commands (analog to IPython's magic commands but far less powerful/complete)""" assert command.startswith('%') from spyderlib.utils import programs namespace = _get_globals() command = command[1:].strip() # Remove leading % import re clear_match = re.match(r"^clear ([a-zA-Z0-9_, ]+)", command) cd_match = re.match(r"^cd \"?\'?([a-zA-Z0-9_\ \:\\\/\.]+)", command) if cd_match: os.chdir(eval('r"%s"' % cd_match.groups()[0].strip())) elif clear_match: varnames = clear_match.groups()[0].replace(' ', '').split(',') for varname in varnames: try: namespace.pop(varname) except KeyError: pass elif command in ('cd', 'pwd'): try: _print(os.getcwdu()) except AttributeError: _print(os.getcwd()) elif command == 'ls': if os.name == 'nt': programs.run_shell_command('dir') _print('\n') else: programs.run_shell_command('ls') _print('\n') elif command == 'scientific': from spyderlib.config import base execfile(base.SCIENTIFIC_STARTUP, namespace) else: raise NotImplementedError("Unsupported command: '%s'" % command)
def get_pylint_version(): """Return pylint version""" if PYLINT_PATH is None: return cwd = osp.dirname(PYLINT_PATH) args = ['--version'] if os.name == 'nt': cmd = ' '.join([PYLINT] + args) process = programs.run_shell_command(cmd, cwd=cwd) else: process = programs.run_program(PYLINT, args, cwd=cwd) lines = to_unicode_from_fs(process.stdout.read()).splitlines() if lines: regex = '({0}*|pylint-script.py) ([0-9\.]*)'.format(PYLINT) match = re.match(regex, lines[0]) if match is not None: return match.groups()[1]
def find_files_in_hg_manifest(self): p = programs.run_shell_command('hg manifest', cwd=self.rootpath) hgroot = get_vcs_root(self.rootpath) self.pathlist = [hgroot] for path in p.stdout.read().decode().splitlines(): with QMutexLocker(self.mutex): if self.stopped: return False dirname = osp.dirname(path) try: if re.search(self.exclude, dirname+os.sep): continue filename = osp.basename(path) if re.search(self.exclude, filename): continue if re.search(self.include, filename): self.filenames.append(osp.join(hgroot, path)) except re.error: self.error_flag = _("invalid regular expression") return False return True
def find_files_in_hg_manifest(self): p = programs.run_shell_command('hg manifest', cwd=self.rootpath) hgroot = get_vcs_root(self.rootpath) self.pathlist = [hgroot] for path in p.stdout.read().decode().splitlines(): with QMutexLocker(self.mutex): if self.stopped: return False dirname = osp.dirname(path) try: if re.search(self.exclude, dirname + os.sep): continue filename = osp.basename(path) if re.search(self.exclude, filename): continue if re.search(self.include, filename): self.filenames.append(osp.join(hgroot, path)) except re.error: self.error_flag = _("invalid regular expression") return False return True
def run_command(self, cmd, new_prompt=True): """Run command in interpreter""" if cmd == 'exit()': self.exit_flag = True self.write('\n') return # -- Special commands type I # (transformed into commands executed in the interpreter) # ? command special_pattern = r"^%s (?:r\')?(?:u\')?\"?\'?([a-zA-Z0-9_\.]+)" run_match = re.match(special_pattern % 'run', cmd) help_match = re.match(r'^([a-zA-Z0-9_\.]+)\?$', cmd) cd_match = re.match(r"^\!cd \"?\'?([a-zA-Z0-9_ \.]+)", cmd) if help_match: cmd = 'help(%s)' % help_match.group(1) # run command elif run_match: filename = guess_filename(run_match.groups()[0]) cmd = "runfile('%s', args=None)" % remove_backslashes(filename) # !cd system command elif cd_match: cmd = 'import os; os.chdir(r"%s")' % cd_match.groups()[0].strip() # -- End of Special commands type I # -- Special commands type II # (don't need code execution in interpreter) xedit_match = re.match(special_pattern % 'xedit', cmd) edit_match = re.match(special_pattern % 'edit', cmd) clear_match = re.match(r"^clear ([a-zA-Z0-9_, ]+)", cmd) # (external) edit command if xedit_match: filename = guess_filename(xedit_match.groups()[0]) self.widget_proxy.edit(filename, external_editor=True) # local edit command elif edit_match: filename = guess_filename(edit_match.groups()[0]) if osp.isfile(filename): self.widget_proxy.edit(filename) else: self.stderr_write.write("No such file or directory: %s\n" % filename) # remove reference (equivalent to MATLAB's clear command) elif clear_match: varnames = clear_match.groups()[0].replace(' ', '').split(',') for varname in varnames: try: self.namespace.pop(varname) except KeyError: pass # Execute command elif cmd.startswith('!'): # System ! command pipe = programs.run_shell_command(cmd[1:]) txt_out = encoding.transcode(pipe.stdout.read().decode()) txt_err = encoding.transcode(pipe.stderr.read().decode().rstrip()) if txt_err: self.stderr_write.write(txt_err) if txt_out: self.stdout_write.write(txt_out) self.stdout_write.write('\n') self.more = False # -- End of Special commands type II else: # Command executed in the interpreter # self.widget_proxy.set_readonly(True) self.more = self.push(cmd) # self.widget_proxy.set_readonly(False) if new_prompt: self.widget_proxy.new_prompt(self.p2 if self.more else self.p1) if not self.more: self.resetbuffer()
def run_command(self, cmd, new_prompt=True): """Run command in interpreter""" if cmd == 'exit()': self.exit_flag = True self.write('\n') return # -- Special commands type I # (transformed into commands executed in the interpreter) # ? command special_pattern = r"^%s (?:r\')?(?:u\')?\"?\'?([a-zA-Z0-9_\.]+)" run_match = re.match(special_pattern % 'run', cmd) help_match = re.match(r'^([a-zA-Z0-9_\.]+)\?$', cmd) cd_match = re.match(r"^\!cd \"?\'?([a-zA-Z0-9_ \.]+)", cmd) if help_match: cmd = 'help(%s)' % help_match.group(1) # run command elif run_match: filename = guess_filename(run_match.groups()[0]) cmd = "runfile('%s', args=None)" % remove_backslashes(filename) # !cd system command elif cd_match: cmd = 'import os; os.chdir(r"%s")' % cd_match.groups()[0].strip() # -- End of Special commands type I # -- Special commands type II # (don't need code execution in interpreter) xedit_match = re.match(special_pattern % 'xedit', cmd) edit_match = re.match(special_pattern % 'edit', cmd) clear_match = re.match(r"^clear ([a-zA-Z0-9_, ]+)", cmd) # (external) edit command if xedit_match: filename = guess_filename(xedit_match.groups()[0]) self.widget_proxy.edit(filename, external_editor=True) # local edit command elif edit_match: filename = guess_filename(edit_match.groups()[0]) if osp.isfile(filename): self.widget_proxy.edit(filename) else: self.stderr_write.write( "No such file or directory: %s\n" % filename) # remove reference (equivalent to MATLAB's clear command) elif clear_match: varnames = clear_match.groups()[0].replace(' ', '').split(',') for varname in varnames: try: self.namespace.pop(varname) except KeyError: pass # Execute command elif cmd.startswith('!'): # System ! command pipe = programs.run_shell_command(cmd[1:]) txt_out = encoding.transcode( pipe.stdout.read().decode() ) txt_err = encoding.transcode( pipe.stderr.read().decode().rstrip() ) if txt_err: self.stderr_write.write(txt_err) if txt_out: self.stdout_write.write(txt_out) self.stdout_write.write('\n') self.more = False # -- End of Special commands type II else: # Command executed in the interpreter # self.widget_proxy.set_readonly(True) self.more = self.push(cmd) # self.widget_proxy.set_readonly(False) if new_prompt: self.widget_proxy.new_prompt(self.p2 if self.more else self.p1) if not self.more: self.resetbuffer()