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Tries to get the link form DAPI or the mirror def _get_from_dapi_or_mirror(link): '''Tries to get the link form DAPI or the mirror''' exception = False try: req = requests.get(_api_url() + link, timeout=5) except requests.exceptions.RequestException: exception = True attempts = 1 while exception or str(req.status_code).startswith('5'): if attempts > 5: raise DapiCommError('Could not connect to the API endpoint, sorry.') exception = False try: # Every second attempt, use the mirror req = requests.get(_api_url(attempts % 2) + link, timeout=5*attempts) except requests.exceptions.RequestException: exception = True attempts += 1 return req
Remove the API URL from the link if it is there def _remove_api_url_from_link(link): '''Remove the API URL from the link if it is there''' if link.startswith(_api_url()): link = link[len(_api_url()):] if link.startswith(_api_url(mirror=True)): link = link[len(_api_url(mirror=True)):] return link
Returns a dictionary from requested link def data(link): '''Returns a dictionary from requested link''' link = _remove_api_url_from_link(link) req = _get_from_dapi_or_mirror(link) return _process_req(req)
Returns a dictionary with all <what>, unpaginated def _unpaginated(what): '''Returns a dictionary with all <what>, unpaginated''' page = data(what) results = page['results'] count = page['count'] while page['next']: page = data(page['next']) results += page['results'] count += page['count'] return {'results': results, 'count': count}
Returns a dictionary with the search results def search(q, **kwargs): '''Returns a dictionary with the search results''' data = {'q': q} for key, value in kwargs.items(): if value: if type(value) == bool: data[key] = 'on' else: data[key] = value return _unpaginated('search/?' + urlencode(data))
Formats a list of users available on Dapi def format_users(): '''Formats a list of users available on Dapi''' lines = [] u = users() count = u['count'] if not count: raise DapiCommError('Could not find any users on DAPI.') for user in u['results']: line = user['username'] if user['full_name']: line += ' (' + user['full_name'] + ')' lines.append(line) return lines
Formats a list of metadaps available on Dapi def format_daps(simple=False, skip_installed=False): '''Formats a list of metadaps available on Dapi''' lines= [] m = metadaps() if not m['count']: logger.info('Could not find any daps') return for mdap in sorted(m['results'], key=lambda mdap: mdap['package_name']): if skip_installed and mdap['package_name'] in get_installed_daps(): continue if simple: logger.info(mdap['package_name']) else: for line in _format_dap_with_description(mdap): lines.append(line) return lines
Return data for dap of given or latest version. def _get_metadap_dap(name, version=''): '''Return data for dap of given or latest version.''' m = metadap(name) if not m: raise DapiCommError('DAP {dap} not found.'.format(dap=name)) if not version: d = m['latest_stable'] or m['latest'] if d: d = data(d) else: d = dap(name, version) if not d: raise DapiCommError( 'DAP {dap} doesn\'t have version {version}.'.format(dap=name, version=version)) return m, d
Formats information about given DAP from DAPI in a human readable form to list of lines def format_dap_from_dapi(name, version='', full=False): '''Formats information about given DAP from DAPI in a human readable form to list of lines''' lines = [] m, d = _get_metadap_dap(name, version) if d: # Determining label width labels = BASIC_LABELS + ['average_rank'] # average_rank comes from m, not d if full: labels.extend(EXTRA_LABELS) label_width = dapi.DapFormatter.calculate_offset(labels) # Metadata lines += dapi.DapFormatter.format_meta_lines(d, labels=labels, offset=label_width) lines.append(dapi.DapFormatter.format_dapi_score(m, offset=label_width)) if 'assistants' in d: # Assistants assistants = sorted([a for a in d['assistants'] if a.startswith('assistants')]) lines.append('') for line in dapi.DapFormatter.format_assistants_lines(assistants): lines.append(line) # Snippets if full: snippets = sorted([a for a in d['assistants'] if a.startswith('snippets')]) lines.append('') lines += dapi.DapFormatter.format_snippets(snippets) # Supported platforms if d.get('supported_platforms', ''): lines.append('') lines += dapi.DapFormatter.format_platforms(d['supported_platforms']) lines.append('') return lines
Formaqts information about the given local DAP in a human readable form to list of lines def format_local_dap(dap, full=False, **kwargs): '''Formaqts information about the given local DAP in a human readable form to list of lines''' lines = [] # Determining label width label_width = dapi.DapFormatter.calculate_offset(BASIC_LABELS) # Metadata lines.append(dapi.DapFormatter.format_meta(dap.meta, labels=BASIC_LABELS, offset=label_width, **kwargs)) # Assistants lines.append('') lines.append(dapi.DapFormatter.format_assistants(dap.assistants)) # Snippets if full: lines.append('') lines.append(dapi.DapFormatter.format_snippets(dap.snippets)) # Supported platforms if 'supported_platforms' in dap.meta: lines.append('') lines.append(dapi.DapFormatter.format_platforms(dap.meta['supported_platforms'])) lines.append() return lines
Formats information about an installed DAP in a human readable form to list of lines def format_installed_dap(name, full=False): '''Formats information about an installed DAP in a human readable form to list of lines''' dap_data = get_installed_daps_detailed().get(name) if not dap_data: raise DapiLocalError('DAP "{dap}" is not installed, can not query for info.'.format(dap=name)) locations = [os.path.join(data['location'], '') for data in dap_data] for location in locations: dap = dapi.Dap(None, fake=True, mimic_filename=name) meta_path = os.path.join(location, 'meta', name + '.yaml') with open(meta_path, 'r') as fh: dap.meta = dap._load_meta(fh) dap.files = _get_assistants_snippets(location, name) dap._find_bad_meta() format_local_dap(dap, full=full, custom_location=os.path.dirname(location))
Formats all installed DAPs in a human readable form to list of lines def format_installed_dap_list(simple=False): '''Formats all installed DAPs in a human readable form to list of lines''' lines = [] if simple: for pkg in sorted(get_installed_daps()): lines.append(pkg) else: for pkg, instances in sorted(get_installed_daps_detailed().items()): versions = [] for instance in instances: location = utils.unexpanduser(instance['location']) version = instance['version'] if not versions: # if this is the first version = utils.bold(version) versions.append('{v}:{p}'.format(v=version, p=location)) pkg = utils.bold(pkg) lines.append('{pkg} ({versions})'.format(pkg=pkg, versions=' '.join(versions))) return lines
Get Assistants and Snippets for a given DAP name on a given path def _get_assistants_snippets(path, name): '''Get Assistants and Snippets for a given DAP name on a given path''' result = [] subdirs = {'assistants': 2, 'snippets': 1} # Values used for stripping leading path tokens for loc in subdirs: for root, dirs, files in os.walk(os.path.join(path, loc)): for filename in [utils.strip_prefix(os.path.join(root, f), path) for f in files]: stripped = os.path.sep.join(filename.split(os.path.sep)[subdirs[loc]:]) if stripped.startswith(os.path.join(name, '')) or stripped == name + '.yaml': result.append(os.path.join('fakeroot', filename)) return result
Formats the results of a search def format_search(q, **kwargs): '''Formats the results of a search''' m = search(q, **kwargs) count = m['count'] if not count: raise DapiCommError('Could not find any DAP packages for your query.') return for mdap in m['results']: mdap = mdap['content_object'] return _format_dap_with_description(mdap)
Returns a set of all installed daps Either in the given location or in all of them def get_installed_daps(location=None, skip_distro=False): '''Returns a set of all installed daps Either in the given location or in all of them''' if location: locations = [location] else: locations = _data_dirs() s = set() for loc in locations: if skip_distro and loc == DISTRO_DIRECTORY: continue g = glob.glob('{d}/meta/*.yaml'.format(d=loc)) for meta in g: s.add(meta.split('/')[-1][:-len('.yaml')]) return s
Returns a dictionary with all installed daps and their versions and locations First version and location in the dap's list is the one that is preferred def get_installed_daps_detailed(): '''Returns a dictionary with all installed daps and their versions and locations First version and location in the dap's list is the one that is preferred''' daps = {} for loc in _data_dirs(): s = get_installed_daps(loc) for dap in s: if dap not in daps: daps[dap] = [] daps[dap].append({'version': get_installed_version_of(dap, loc), 'location': loc}) return daps
Download a dap to a given or temporary directory Return a path to that file together with information if the directory should be later deleted def download_dap(name, version='', d='', directory=''): '''Download a dap to a given or temporary directory Return a path to that file together with information if the directory should be later deleted ''' if not d: m, d = _get_metadap_dap(name, version) if directory: _dir = directory else: _dir = tempfile.mkdtemp() try: url = d['download'] except TypeError: raise DapiCommError('DAP {dap} has no version to download.'.format(dap=name)) filename = url.split('/')[-1] path = os.path.join(_dir, filename) urllib.request.urlretrieve(url, path) dapisum = d['sha256sum'] downloadedsum = hashlib.sha256(open(path, 'rb').read()).hexdigest() if dapisum != downloadedsum: os.remove(path) raise DapiLocalError( 'DAP {dap} has incorrect sha256sum (DAPI: {dapi}, downloaded: {downloaded})'. format(dap=name, dapi=dapisum, downloaded=downloadedsum)) return path, not bool(directory)
Installs a dap from a given path def install_dap_from_path(path, update=False, update_allpaths=False, first=True, force=False, nodeps=False, reinstall=False, __ui__=''): '''Installs a dap from a given path''' will_uninstall = False dap_obj = dapi.Dap(path) name = dap_obj.meta['package_name'] if name in get_installed_daps(): if not update and not reinstall: raise DapiLocalError( 'DAP {name} is already installed. ' 'Run `da pkg list` to see it\'s location, or use --reinstall to ignore this check.' .format(name=name)) elif not update_allpaths and name in get_installed_daps(_install_path()): will_uninstall = True elif update_allpaths and name in get_installed_daps(): will_uninstall = True if update and update_allpaths: install_locations = [] for pair in get_installed_daps_detailed()[name]: install_locations.append(pair['location']) else: install_locations = [_install_path()] # This should not happen unless someone did it on purpose for location in install_locations: if os.path.isfile(location): raise DapiLocalError( '{i} is a file, not a directory.'.format(i=_install_path())) _dir = tempfile.mkdtemp() old_level = logger.getEffectiveLevel() logger.setLevel(logging.ERROR) ok = dapi.DapChecker.check(dap_obj) logger.setLevel(old_level) if not ok: raise DapiLocalError('The DAP you want to install has errors, not installing.') installed = [] if first: if not force and not _is_supported_here(dap_obj.meta): raise DapiLocalError( '{0} is not supported on this platform (use --force to suppress this check)'. format(name)) deps = set() if 'dependencies' in dap_obj.meta and not nodeps: for dep in dap_obj.meta['dependencies']: dep = _strip_version_from_dependency(dep) if dep not in get_installed_daps(): deps |= _get_all_dependencies_of(dep, force=force) for dep in deps: if dep not in get_installed_daps(): installed += install_dap(dep, first=False, __ui__=__ui__) dap_obj.extract(_dir) if will_uninstall: uninstall_dap(name, allpaths=update_allpaths, __ui__=__ui__) _dapdir = os.path.join(_dir, name + '-' + dap_obj.meta['version']) if not os.path.isdir(_install_path()): os.makedirs(_install_path()) os.mkdir(os.path.join(_dapdir, 'meta')) os.rename(os.path.join(_dapdir, 'meta.yaml'), os.path.join(_dapdir, 'meta', name + '.yaml')) for location in install_locations: for f in glob.glob(_dapdir + '/*'): dst = os.path.join(location, os.path.basename(f)) if os.path.isdir(f): if not os.path.exists(dst): os.mkdir(dst) for src_dir, dirs, files in os.walk(f): dst_dir = src_dir.replace(f, dst) if not os.path.exists(dst_dir): os.mkdir(dst_dir) for file_ in files: src_file = os.path.join(src_dir, file_) dst_file = os.path.join(dst_dir, file_) shutil.copyfile(src_file, dst_file) else: shutil.copyfile(f, dst) try: shutil.rmtree(_dir) except: pass return [name] + installed
For given dependency string, return only the package name def _strip_version_from_dependency(dep): '''For given dependency string, return only the package name''' usedmark = '' for mark in '< > ='.split(): split = dep.split(mark) if len(split) > 1: usedmark = mark break if usedmark: return split[0].strip() else: return dep.strip()
Gets the installed version of the given dap or None if not installed Searches in all dirs by default, otherwise in the given one def get_installed_version_of(name, location=None): '''Gets the installed version of the given dap or None if not installed Searches in all dirs by default, otherwise in the given one''' if location: locations = [location] else: locations = _data_dirs() for loc in locations: if name not in get_installed_daps(loc): continue meta = '{d}/meta/{dap}.yaml'.format(d=loc, dap=name) data = yaml.load(open(meta), Loader=Loader) return str(data['version']) return None
Returns list of first level dependencies of the given installed dap or dap from Dapi if not installed If a location is specified, this only checks for dap installed in that path and return [] if the dap is not located there def _get_dependencies_of(name, location=None): ''' Returns list of first level dependencies of the given installed dap or dap from Dapi if not installed If a location is specified, this only checks for dap installed in that path and return [] if the dap is not located there ''' if not location: detailed_dap_list = get_installed_daps_detailed() if name not in detailed_dap_list: return _get_api_dependencies_of(name) location = detailed_dap_list[name][0]['location'] meta = '{d}/meta/{dap}.yaml'.format(d=location, dap=name) try: data = yaml.load(open(meta), Loader=Loader) except IOError: return [] return data.get('dependencies', [])
Returns list of dependencies of the given dap from Dapi recursively def _get_all_dependencies_of(name, deps=set(), force=False): '''Returns list of dependencies of the given dap from Dapi recursively''' first_deps = _get_api_dependencies_of(name, force=force) for dep in first_deps: dep = _strip_version_from_dependency(dep) if dep in deps: continue # we do the following not to resolve the dependencies of already installed daps if dap in get_installed_daps(): continue deps |= _get_all_dependencies_of(dep, deps) return deps | set([name])
Returns list of first level dependencies of the given dap from Dapi def _get_api_dependencies_of(name, version='', force=False): '''Returns list of first level dependencies of the given dap from Dapi''' m, d = _get_metadap_dap(name, version=version) # We need the dependencies to install the dap, # if the dap is unsupported, raise an exception here if not force and not _is_supported_here(d): raise DapiLocalError( '{0} is not supported on this platform (use --force to suppress this check).'. format(name)) return d.get('dependencies', [])
Install a dap from dapi If update is True, it will remove previously installed daps of the same name def install_dap(name, version='', update=False, update_allpaths=False, first=True, force=False, nodeps=False, reinstall=False, __ui__=''): '''Install a dap from dapi If update is True, it will remove previously installed daps of the same name''' m, d = _get_metadap_dap(name, version) if update: available = d['version'] current = get_installed_version_of(name) if not current: raise DapiLocalError('Cannot update not yet installed DAP.') if dapver.compare(available, current) <= 0: return [] path, remove_dir = download_dap(name, d=d) ret = install_dap_from_path(path, update=update, update_allpaths=update_allpaths, first=first, force=force, nodeps=nodeps, reinstall=reinstall, __ui__=__ui__) try: if remove_dir: shutil.rmtree(os.dirname(path)) else: os.remove(path) except: pass return ret
Returns list of strings with dependency metadata from Dapi def get_dependency_metadata(): '''Returns list of strings with dependency metadata from Dapi''' link = os.path.join(_api_url(), 'meta.txt') return _process_req_txt(requests.get(link)).split('\n')
This function creates a frame def create_frame(self): """ This function creates a frame """ frame = Gtk.Frame() frame.set_shadow_type(Gtk.ShadowType.IN) return frame
Function creates box. Based on orientation it can be either HORIZONTAL or VERTICAL def create_box(self, orientation=Gtk.Orientation.HORIZONTAL, spacing=0): """ Function creates box. Based on orientation it can be either HORIZONTAL or VERTICAL """ h_box = Gtk.Box(orientation=orientation, spacing=spacing) h_box.set_homogeneous(False) return h_box
Function creates a button with lave. If assistant is specified then text is aligned def button_with_label(self, description, assistants=None): """ Function creates a button with lave. If assistant is specified then text is aligned """ btn = self.create_button() label = self.create_label(description) if assistants is not None: h_box = self.create_box(orientation=Gtk.Orientation.VERTICAL) h_box.pack_start(label, False, False, 0) label_ass = self.create_label( assistants, justify=Gtk.Justification.LEFT ) label_ass.set_alignment(0, 0) h_box.pack_start(label_ass, False, False, 12) btn.add(h_box) else: btn.add(label) return btn
The function creates a image from name defined in image_name def create_image(self, image_name=None, scale_ratio=1, window=None): """ The function creates a image from name defined in image_name """ size = 48 * scale_ratio pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(image_name, -1, size, True) image = Gtk.Image() # Creating the cairo surface is necessary for proper scaling on HiDPI try: surface = Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale_ratio, window) image.set_from_surface(surface) # Fallback for GTK+ older than 3.10 except AttributeError: image.set_from_pixbuf(pixbuf) return image
The function creates a button with image def button_with_image(self, description, image=None, sensitive=True): """ The function creates a button with image """ btn = self.create_button() btn.set_sensitive(sensitive) h_box = self.create_box() try: img = self.create_image(image_name=image, scale_ratio=btn.get_scale_factor(), window=btn.get_window()) except: # Older GTK+ than 3.10 img = self.create_image(image_name=image) h_box.pack_start(img, False, False, 12) label = self.create_label(description) h_box.pack_start(label, False, False, 0) btn.add(h_box) return btn
The function creates a checkbutton with label def checkbutton_with_label(self, description): """ The function creates a checkbutton with label """ act_btn = Gtk.CheckButton(description) align = self.create_alignment() act_btn.add(align) return align
Function creates a checkbox with his name def create_checkbox(self, name, margin=10): """ Function creates a checkbox with his name """ chk_btn = Gtk.CheckButton(name) chk_btn.set_margin_right(margin) return chk_btn
Function creates an Entry with corresponding text def create_entry(self, text="", sensitive="False"): """ Function creates an Entry with corresponding text """ text_entry = Gtk.Entry() text_entry.set_sensitive(sensitive) text_entry.set_text(text) return text_entry
Function creates a link button with corresponding text and URI reference def create_link_button(self, text="None", uri="None"): """ Function creates a link button with corresponding text and URI reference """ link_btn = Gtk.LinkButton(uri, text) return link_btn
This is generalized method for creating Gtk.Button def create_button(self, style=Gtk.ReliefStyle.NORMAL): """ This is generalized method for creating Gtk.Button """ btn = Gtk.Button() btn.set_relief(style) return btn
Function creates a menu item with an image def create_image_menu_item(self, text, image_name): """ Function creates a menu item with an image """ menu_item = Gtk.ImageMenuItem(text) img = self.create_image(image_name) menu_item.set_image(img) return menu_item
The function is used for creating lable with HTML text def create_label(self, name, justify=Gtk.Justification.CENTER, wrap_mode=True, tooltip=None): """ The function is used for creating lable with HTML text """ label = Gtk.Label() name = name.replace('|', '\n') label.set_markup(name) label.set_justify(justify) label.set_line_wrap(wrap_mode) if tooltip is not None: label.set_has_tooltip(True) label.connect("query-tooltip", self.parent.tooltip_queries, tooltip) return label
The function is used for creating button with all features like signal on tooltip and signal on clicked The function does not have any menu. Button is add to the Gtk.Grid on specific row and column def add_button(self, grid_lang, ass, row, column): """ The function is used for creating button with all features like signal on tooltip and signal on clicked The function does not have any menu. Button is add to the Gtk.Grid on specific row and column """ #print "gui_helper add_button" image_name = ass[0].icon_path label = "<b>" + ass[0].fullname + "</b>" if not image_name: btn = self.button_with_label(label) else: btn = self.button_with_image(label, image=ass[0].icon_path) #print "Dependencies button",ass[0]._dependencies if ass[0].description: btn.set_has_tooltip(True) btn.connect("query-tooltip", self.parent.tooltip_queries, self.get_formatted_description(ass[0].description) ) btn.connect("clicked", self.parent.btn_clicked, ass[0].name) if row == 0 and column == 0: grid_lang.add(btn) else: grid_lang.attach(btn, column, row, 1, 1) return btn
Add button that opens the window for installing more assistants def add_install_button(self, grid_lang, row, column): """ Add button that opens the window for installing more assistants """ btn = self.button_with_label('<b>Install more...</b>') if row == 0 and column == 0: grid_lang.add(btn) else: grid_lang.attach(btn, column, row, 1, 1) btn.connect("clicked", self.parent.install_btn_clicked) return btn
The function creates a menu item and assigns signal like select and button-press-event for manipulation with menu_item. sub_assistant and path def menu_item(self, sub_assistant, path): """ The function creates a menu item and assigns signal like select and button-press-event for manipulation with menu_item. sub_assistant and path """ if not sub_assistant[0].icon_path: menu_item = self.create_menu_item(sub_assistant[0].fullname) else: menu_item = self.create_image_menu_item( sub_assistant[0].fullname, sub_assistant[0].icon_path ) if sub_assistant[0].description: menu_item.set_has_tooltip(True) menu_item.connect("query-tooltip", self.parent.tooltip_queries, self.get_formatted_description(sub_assistant[0].description), ) menu_item.connect("select", self.parent.sub_menu_select, path) menu_item.connect("button-press-event", self.parent.sub_menu_pressed) menu_item.show() return menu_item
Function generates menu from based on ass parameter def generate_menu(self, ass, text, path=None, level=0): """ Function generates menu from based on ass parameter """ menu = self.create_menu() for index, sub in enumerate(sorted(ass[1], key=lambda y: y[0].fullname.lower())): if index != 0: text += "|" text += "- " + sub[0].fullname new_path = list(path) if level == 0: new_path.append(ass[0].name) new_path.append(sub[0].name) menu_item = self.menu_item(sub, new_path) if sub[1]: # If assistant has subassistants (sub_menu, txt) = self.generate_menu(sub, text, new_path, level=level + 1) menu_item.set_submenu(sub_menu) menu.append(menu_item) return menu, text
The function is used for creating button with menu and submenu. Also signal on tooltip and signal on clicked are specified Button is add to the Gtk.Grid def add_submenu(self, grid_lang, ass, row, column): """ The function is used for creating button with menu and submenu. Also signal on tooltip and signal on clicked are specified Button is add to the Gtk.Grid """ text = "Available subassistants:\n" # Generate menus path = [] (menu, text) = self.generate_menu(ass, text, path=path) menu.show_all() if ass[0].description: description = self.get_formatted_description(ass[0].description) + "\n\n" else: description = "" description += text.replace('|', '\n') image_name = ass[0].icon_path lbl_text = "<b>" + ass[0].fullname + "</b>" if not image_name: btn = self.button_with_label(lbl_text) else: btn = self.button_with_image(lbl_text, image=image_name) btn.set_has_tooltip(True) btn.connect("query-tooltip", self.parent.tooltip_queries, description ) btn.connect_object("event", self.parent.btn_press_event, menu) if row == 0 and column == 0: grid_lang.add(btn) else: grid_lang.attach(btn, column, row, 1, 1)
Function creates a scrolled window with layout manager def create_scrolled_window(self, layout_manager, horizontal=Gtk.PolicyType.NEVER, vertical=Gtk.PolicyType.ALWAYS): """ Function creates a scrolled window with layout manager """ scrolled_window = Gtk.ScrolledWindow() scrolled_window.add(layout_manager) scrolled_window.set_policy(horizontal, vertical) return scrolled_window
Function creates a Gtk Grid with spacing and homogeous tags def create_gtk_grid(self, row_spacing=6, col_spacing=6, row_homogenous=False, col_homogenous=True): """ Function creates a Gtk Grid with spacing and homogeous tags """ grid_lang = Gtk.Grid() grid_lang.set_column_spacing(row_spacing) grid_lang.set_row_spacing(col_spacing) grid_lang.set_border_width(12) grid_lang.set_row_homogeneous(row_homogenous) grid_lang.set_column_homogeneous(col_homogenous) return grid_lang
Function creates a notebook def create_notebook(self, position=Gtk.PositionType.TOP): """ Function creates a notebook """ notebook = Gtk.Notebook() notebook.set_tab_pos(position) notebook.set_show_border(True) return notebook
Function creates a message dialog with text and relevant buttons def create_message_dialog(self, text, buttons=Gtk.ButtonsType.CLOSE, icon=Gtk.MessageType.WARNING): """ Function creates a message dialog with text and relevant buttons """ dialog = Gtk.MessageDialog(None, Gtk.DialogFlags.DESTROY_WITH_PARENT, icon, buttons, text ) return dialog
Function creates a question dialog with title text and second_text def create_question_dialog(self, text, second_text): """ Function creates a question dialog with title text and second_text """ dialog = self.create_message_dialog( text, buttons=Gtk.ButtonsType.YES_NO, icon=Gtk.MessageType.QUESTION ) dialog.format_secondary_text(second_text) response = dialog.run() dialog.destroy() return response
Function executes a dialog def execute_dialog(self, title): """ Function executes a dialog """ msg_dlg = self.create_message_dialog(title) msg_dlg.run() msg_dlg.destroy() return
Function creates a file chooser dialog with title text def create_file_chooser_dialog(self, text, parent, name=Gtk.STOCK_OPEN): """ Function creates a file chooser dialog with title text """ text = None dialog = Gtk.FileChooserDialog( text, parent, Gtk.FileChooserAction.SELECT_FOLDER, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, name, Gtk.ResponseType.OK) ) response = dialog.run() if response == Gtk.ResponseType.OK: text = dialog.get_filename() dialog.destroy() return text
Function creates an alignment def create_alignment(self, x_align=0, y_align=0, x_scale=0, y_scale=0): """ Function creates an alignment """ align = Gtk.Alignment() align.set(x_align, y_align, x_scale, y_scale) return align
Function creates a text view with wrap_mode and justification def create_textview(self, wrap_mode=Gtk.WrapMode.WORD_CHAR, justify=Gtk.Justification.LEFT, visible=True, editable=True): """ Function creates a text view with wrap_mode and justification """ text_view = Gtk.TextView() text_view.set_wrap_mode(wrap_mode) text_view.set_editable(editable) if not editable: text_view.set_cursor_visible(False) else: text_view.set_cursor_visible(visible) text_view.set_justification(justify) return text_view
Function creates a tree_view with model def create_tree_view(self, model=None): """ Function creates a tree_view with model """ tree_view = Gtk.TreeView() if model is not None: tree_view.set_model(model) return tree_view
Function creates a CellRendererText with title def create_cell_renderer_text(self, tree_view, title="title", assign=0, editable=False): """ Function creates a CellRendererText with title """ renderer = Gtk.CellRendererText() renderer.set_property('editable', editable) column = Gtk.TreeViewColumn(title, renderer, text=assign) tree_view.append_column(column)
Function creates a CellRendererCombo with title, model def create_cell_renderer_combo(self, tree_view, title="title", assign=0, editable=False, model=None, function=None): """' Function creates a CellRendererCombo with title, model """ renderer_combo = Gtk.CellRendererCombo() renderer_combo.set_property('editable', editable) if model: renderer_combo.set_property('model', model) if function: renderer_combo.connect("edited", function) renderer_combo.set_property("text-column", 0) renderer_combo.set_property("has-entry", False) column = Gtk.TreeViewColumn(title, renderer_combo, text=assign) tree_view.append_column(column)
Function creates a clipboard def create_clipboard(self, text, selection=Gdk.SELECTION_CLIPBOARD): """ Function creates a clipboard """ clipboard = Gtk.Clipboard.get(selection) clipboard.set_text('\n'.join(text), -1) clipboard.store() return clipboard
Runs a command from string, e.g. "cp foo bar" Args: cmd_str: the command to run as string log_level: level at which to log command output (DEBUG by default) ignore_sigint: should we ignore sigint during this command (False by default) output_callback: function that gets called with every line of output as argument as_user: run as specified user (the best way to do this will be deduced by DA) runs as current user if as_user == None log_secret: if True, the command invocation will only be logged as "LOGGING PREVENTED FOR SECURITY REASONS", no output will be logged env: if not None, pass to subprocess as shell environment; else use original DevAssistant environment def run_command(cls, cmd_str, log_level=logging.DEBUG, ignore_sigint=False, output_callback=None, as_user=None, log_secret=False, env=None): """Runs a command from string, e.g. "cp foo bar" Args: cmd_str: the command to run as string log_level: level at which to log command output (DEBUG by default) ignore_sigint: should we ignore sigint during this command (False by default) output_callback: function that gets called with every line of output as argument as_user: run as specified user (the best way to do this will be deduced by DA) runs as current user if as_user == None log_secret: if True, the command invocation will only be logged as "LOGGING PREVENTED FOR SECURITY REASONS", no output will be logged env: if not None, pass to subprocess as shell environment; else use original DevAssistant environment """ # run format processors on cmd_str for name, cmd_proc in cls.command_processors.items(): cmd_str = cmd_proc(cmd_str) # TODO: how to do cd with as_user? if as_user and not cmd_str.startswith('cd '): cmd_str = cls.format_for_another_user(cmd_str, as_user) cls.log(log_level, cmd_str, 'cmd_call', log_secret) if cmd_str.startswith('cd '): # special-case cd to behave like shell cd and stay in the directory try: directory = cmd_str[3:] # delete any quotes, os.chdir doesn't split words like sh does if directory[0] == directory[-1] == '"': directory = directory[1:-1] os.chdir(directory) except OSError as e: raise exceptions.ClException(cmd_str, 1, six.text_type(e)) return '' stdin_pipe = None stdout_pipe = subprocess.PIPE stderr_pipe = subprocess.STDOUT preexec_fn = cls.ignore_sigint if ignore_sigint else None env = os.environ if env is None else env proc = subprocess.Popen(cmd_str, stdin=stdin_pipe, stdout=stdout_pipe, stderr=stderr_pipe, shell=True, preexec_fn=preexec_fn, env=env) # register process to cls.subprocesses cls.subprocesses[proc.pid] = proc stdout = [] while proc.poll() is None: try: output = proc.stdout.readline().decode(utils.defenc) if output: output = output.strip() stdout.append(output) cls.log(log_level, output, 'cmd_out', log_secret) if output_callback: output_callback(output) except IOError as e: if e.errno == errno.EINTR: # Interrupted system call in Python 2.6 sys.stderr.write('Can\'t interrupt this process!\n') else: raise e # remove process from cls.subprocesses cls.subprocesses.pop(proc.pid) # add a newline to the end - if there is more output in output_rest, we'll be appending # it line by line; if there's no more output, we strip anyway stdout = '\n'.join(stdout) + '\n' # there may be some remains not read after exiting the previous loop output_rest = proc.stdout.read().strip().decode(utils.defenc) # we want to log lines separately, not as one big chunk output_rest_lines = output_rest.splitlines() for i, l in enumerate(output_rest_lines): cls.log(log_level, l, 'cmd_out', log_secret) # add newline for every line - for last line, only add it if it was originally present if i != len(output_rest_lines) - 1 or output_rest.endswith('\n'): l += '\n' stdout += l if output_callback: output_callback(l) # log return code always on debug level cls.log(logging.DEBUG, proc.returncode, 'cmd_retcode', log_secret) stdout = stdout.strip() if proc.returncode == 0: return stdout else: raise exceptions.ClException(cmd_str, proc.returncode, stdout)
Returns the password typed by user as a string or None if user cancels the request (e.g. presses Ctrl + D on commandline or presses Cancel in GUI. def ask_for_password(cls, ui, prompt='Provide your password:', **options): """Returns the password typed by user as a string or None if user cancels the request (e.g. presses Ctrl + D on commandline or presses Cancel in GUI. """ # optionally set title, that may be used by some helpers like zenity return cls.get_appropriate_helper(ui).ask_for_password(prompt, title=options.get('title', prompt))
Returns True if user agrees, False otherwise def ask_for_confirm_with_message(cls, ui, prompt='Do you agree?', message='', **options): """Returns True if user agrees, False otherwise""" return cls.get_appropriate_helper(ui).ask_for_confirm_with_message(prompt, message)
Ask user for written input with prompt def ask_for_input_with_prompt(cls, ui, prompt='', **options): """Ask user for written input with prompt""" return cls.get_appropriate_helper(ui).ask_for_input_with_prompt(prompt=prompt, **options)
Used by cli to add this as an argument to argparse parser. Args: parser: parser to add this argument to def add_argument_to(self, parser): """Used by cli to add this as an argument to argparse parser. Args: parser: parser to add this argument to """ from devassistant.cli.devassistant_argparse import DefaultIffUsedActionFactory if isinstance(self.kwargs.get('action', ''), list): # see documentation of DefaultIffUsedActionFactory to see why this is necessary if self.kwargs['action'][0] == 'default_iff_used': self.kwargs['action'] = DefaultIffUsedActionFactory.generate_action( self.kwargs['action'][1]) # In cli 'preserved' is not supported. # It needs to be removed because it is unknown for argparse. self.kwargs.pop('preserved', None) try: parser.add_argument(*self.flags, **self.kwargs) except Exception as ex: problem = "Error while adding argument '{name}': {error}".\ format(name=self.name, error=repr(ex)) raise exceptions.ExecutionException(problem)
Returns the value for specified gui hint (or a sensible default value, if this argument doesn't specify the hint). Args: hint: name of the hint to get value for Returns: value of the hint specified in yaml or a sensible default def get_gui_hint(self, hint): """Returns the value for specified gui hint (or a sensible default value, if this argument doesn't specify the hint). Args: hint: name of the hint to get value for Returns: value of the hint specified in yaml or a sensible default """ if hint == 'type': # 'self.kwargs.get('nargs') == 0' is there for default_iff_used, which may # have nargs: 0, so that it works similarly to 'store_const' if self.kwargs.get('action') == 'store_true' or self.kwargs.get('nargs') == 0: return 'bool' # store_const is represented by checkbox, but computes default differently elif self.kwargs.get('action') == 'store_const': return 'const' return self.gui_hints.get('type', 'str') elif hint == 'default': hint_type = self.get_gui_hint('type') hint_default = self.gui_hints.get('default', None) arg_default = self.kwargs.get('default', None) preserved_value = None if 'preserved' in self.kwargs: preserved_value = config_manager.get_config_value(self.kwargs['preserved']) if hint_type == 'path': if preserved_value is not None: default = preserved_value elif hint_default is not None: default = hint_default.replace('$(pwd)', utils.get_cwd_or_homedir()) else: default = arg_default or '~' return os.path.abspath(os.path.expanduser(default)) elif hint_type == 'bool': return hint_default or arg_default or False elif hint_type == 'const': return hint_default or arg_default else: if hint_default == '$(whoami)': hint_default = getpass.getuser() return preserved_value or hint_default or arg_default or ''
Construct an argument from name, and params (dict loaded from assistant/snippet). def construct_arg(cls, name, params): """Construct an argument from name, and params (dict loaded from assistant/snippet). """ use_snippet = params.pop('use', None) if use_snippet: # if snippet is used, take this parameter from snippet and update # it with current params, if any try: problem = None snippet = yaml_snippet_loader.YamlSnippetLoader.get_snippet_by_name(use_snippet) # this works much like snippet.args.pop(arg_name).update(arg_params), # but unlike it, this actually returns the updated dict params = dict(snippet.args.pop(name), **params) # if there is SnippetNotFoundException, just let it be raised except KeyError: # snippet doesn't have the requested argument problem = 'Couldn\'t find arg {arg} in snippet {snip}.'.\ format(arg=name, snip=snippet.name) raise exceptions.ExecutionException(problem) if 'flags' not in params: msg = 'Couldn\'t find "flags" in arg {arg}'.format(arg=name) raise exceptions.ExecutionException(msg) return cls(name, *params.pop('flags'), **params)
Return list of instantiated subassistants. Usually, this needs not be overriden in subclasses, you should just override get_subassistant_classes Returns: list of instantiated subassistants def get_subassistants(self): """Return list of instantiated subassistants. Usually, this needs not be overriden in subclasses, you should just override get_subassistant_classes Returns: list of instantiated subassistants """ if not hasattr(self, '_subassistants'): self._subassistants = [] # we want to know, if type(self) defines 'get_subassistant_classes', # we don't want to inherit it from superclass (would cause recursion) if 'get_subassistant_classes' in vars(type(self)): for a in self.get_subassistant_classes(): self._subassistants.append(a()) return self._subassistants
Returns a tree-like structure representing the assistant hierarchy going down from this assistant to leaf assistants. For example: [(<This Assistant>, [(<Subassistant 1>, [...]), (<Subassistant 2>, [...])] )] Returns: a tree-like structure (see above) representing assistant hierarchy going down from this assistant to leaf assistants def get_subassistant_tree(self): """Returns a tree-like structure representing the assistant hierarchy going down from this assistant to leaf assistants. For example: [(<This Assistant>, [(<Subassistant 1>, [...]), (<Subassistant 2>, [...])] )] Returns: a tree-like structure (see above) representing assistant hierarchy going down from this assistant to leaf assistants """ if '_tree' not in dir(self): subassistant_tree = [] subassistants = self.get_subassistants() for subassistant in subassistants: subassistant_tree.append(subassistant.get_subassistant_tree()) self._tree = (self, subassistant_tree) return self._tree
Recursively searches self._tree - has format of (Assistant: [list_of_subassistants]) - for specific path from first to last selected subassistants. Args: kwargs: arguments containing names of the given assistants in form of subassistant_0 = 'name', subassistant_1 = 'another_name', ... Returns: list of subassistants objects from tree sorted from first to last def get_selected_subassistant_path(self, **kwargs): """Recursively searches self._tree - has format of (Assistant: [list_of_subassistants]) - for specific path from first to last selected subassistants. Args: kwargs: arguments containing names of the given assistants in form of subassistant_0 = 'name', subassistant_1 = 'another_name', ... Returns: list of subassistants objects from tree sorted from first to last """ path = [self] previous_subas_list = None currently_searching = self.get_subassistant_tree()[1] # len(path) - 1 always points to next subassistant_N, so we can use it to control iteration while settings.SUBASSISTANT_N_STRING.format(len(path) - 1) in kwargs and \ kwargs[settings.SUBASSISTANT_N_STRING.format(len(path) - 1)]: for sa, subas_list in currently_searching: if sa.name == kwargs[settings.SUBASSISTANT_N_STRING.format(len(path) - 1)]: currently_searching = subas_list path.append(sa) break # sorry if you shed a tear ;) if subas_list == previous_subas_list: raise exceptions.AssistantNotFoundException( 'No assistant {n} after path {p}.'.format( n=kwargs[settings.SUBASSISTANT_N_STRING.format(len(path) - 1)], p=path)) previous_subas_list = subas_list return path
Returns True if this assistant was run as last in path, False otherwise. def is_run_as_leaf(self, **kwargs): """Returns True if this assistant was run as last in path, False otherwise.""" # find the last subassistant_N i = 0 while i < len(kwargs): # len(kwargs) is maximum of subassistant_N keys if settings.SUBASSISTANT_N_STRING.format(i) in kwargs: leaf_name = kwargs[settings.SUBASSISTANT_N_STRING.format(i)] i += 1 return self.name == leaf_name
Loads yaml files from all given directories. Args: directories: list of directories to search Returns: dict of {fullpath: loaded_yaml_structure} def load_all_yamls(cls, directories): """Loads yaml files from all given directories. Args: directories: list of directories to search Returns: dict of {fullpath: loaded_yaml_structure} """ yaml_files = [] loaded_yamls = {} for d in directories: if d.startswith('/home') and not os.path.exists(d): os.makedirs(d) for dirname, subdirs, files in os.walk(d): yaml_files.extend(map(lambda x: os.path.join(dirname, x), filter(lambda x: x.endswith('.yaml'), files))) for f in yaml_files: loaded_yamls[f] = cls.load_yaml_by_path(f) return loaded_yamls
Load a yaml file with path that is relative to one of given directories. Args: directories: list of directories to search name: relative path of the yaml file to load log_debug: log all messages as debug Returns: tuple (fullpath, loaded yaml structure) or None if not found def load_yaml_by_relpath(cls, directories, rel_path, log_debug=False): """Load a yaml file with path that is relative to one of given directories. Args: directories: list of directories to search name: relative path of the yaml file to load log_debug: log all messages as debug Returns: tuple (fullpath, loaded yaml structure) or None if not found """ for d in directories: if d.startswith(os.path.expanduser('~')) and not os.path.exists(d): os.makedirs(d) possible_path = os.path.join(d, rel_path) if os.path.exists(possible_path): loaded = cls.load_yaml_by_path(possible_path, log_debug=log_debug) if loaded is not None: return (possible_path, cls.load_yaml_by_path(possible_path)) return None
Load a yaml file that is at given path, if the path is not a string, it is assumed it's a file-like object def load_yaml_by_path(cls, path, log_debug=False): """Load a yaml file that is at given path, if the path is not a string, it is assumed it's a file-like object""" try: if isinstance(path, six.string_types): return yaml.load(open(path, 'r'), Loader=Loader) or {} else: return yaml.load(path, Loader=Loader) or {} except (yaml.scanner.ScannerError, yaml.parser.ParserError) as e: log_level = logging.DEBUG if log_debug else logging.WARNING logger.log(log_level, 'Yaml error in {path} (line {ln}, column {col}): {err}'. format(path=path, ln=e.problem_mark.line, col=e.problem_mark.column, err=e.problem)) return None
Installs dependencies from the leaf assistant. Raises: devassistant.exceptions.DependencyException with a cause if something goes wrong def _run_path_dependencies(self, parsed_args): """Installs dependencies from the leaf assistant. Raises: devassistant.exceptions.DependencyException with a cause if something goes wrong """ deps = self.path[-1].dependencies(parsed_args) lang.Command('dependencies', deps, parsed_args).run()
Runs all errors, dependencies and run methods of all *Assistant objects in self.path. Raises: devassistant.exceptions.ExecutionException with a cause if something goes wrong def run(self): """Runs all errors, dependencies and run methods of all *Assistant objects in self.path. Raises: devassistant.exceptions.ExecutionException with a cause if something goes wrong """ error = None # run 'pre_run', 'logging', 'dependencies' and 'run' try: # serve as a central place for error logging self._logging(self.parsed_args) if 'deps_only' not in self.parsed_args: self._run_path_run('pre', self.parsed_args) self._run_path_dependencies(self.parsed_args) if 'deps_only' not in self.parsed_args: self._run_path_run('', self.parsed_args) except exceptions.ExecutionException as e: error = self._log_if_not_logged(e) if isinstance(e, exceptions.YamlError): # if there's a yaml error, just shut down raise e # in any case, run post_run try: # serve as a central place for error logging self._run_path_run('post', self.parsed_args) except exceptions.ExecutionException as e: error = self._log_if_not_logged(e) # exitfuncs are run all regardless of exceptions; if there is an exception in one # of them, this function will raise it at the end try: utils.run_exitfuncs() except exceptions.ExecutionException as e: error = self._log_if_not_logged(e) if error: raise error
Return the maximum length of the provided strings that have a nice variant in DapFormatter._nice_strings def calculate_offset(cls, labels): '''Return the maximum length of the provided strings that have a nice variant in DapFormatter._nice_strings''' used_strings = set(cls._nice_strings.keys()) & set(labels) return max([len(cls._nice_strings[s]) for s in used_strings])
Format the line with DAPI user rating and number of votes def format_dapi_score(cls, meta, offset): '''Format the line with DAPI user rating and number of votes''' if 'average_rank' and 'rank_count' in meta: label = (cls._nice_strings['average_rank'] + ':').ljust(offset + 2) score = cls._format_field(meta['average_rank']) votes = ' ({num} votes)'.format(num=meta['rank_count']) return label + score + votes else: return ''
Return all information from a given meta dictionary in a list of lines def format_meta_lines(cls, meta, labels, offset, **kwargs): '''Return all information from a given meta dictionary in a list of lines''' lines = [] # Name and underline name = meta['package_name'] if 'version' in meta: name += '-' + meta['version'] if 'custom_location' in kwargs: name += ' ({loc})'.format(loc=kwargs['custom_location']) lines.append(name) lines.append(len(name)*'=') lines.append('') # Summary lines.extend(meta['summary'].splitlines()) lines.append('') # Description if meta.get('description', ''): lines.extend(meta['description'].splitlines()) lines.append('') # Other metadata data = [] for item in labels: if meta.get(item, '') != '': # We want to process False and 0 label = (cls._nice_strings[item] + ':').ljust(offset + 2) data.append(label + cls._format_field(meta[item])) lines.extend(data) return lines
Format the list of files (e. g. assistants or snippets def _format_files(cls, files, kind): '''Format the list of files (e. g. assistants or snippets''' lines = [] if files: lines.append('The following {kind} are contained in this DAP:'.format(kind=kind.title())) for f in files: lines.append('* ' + strip_prefix(f, kind).replace(os.path.sep, ' ').strip()) return lines else: return ['No {kind} are contained in this DAP'.format(kind=kind.title())]
Return formatted assistants from the given list in human readable form. def format_assistants_lines(cls, assistants): '''Return formatted assistants from the given list in human readable form.''' lines = cls._format_files(assistants, 'assistants') # Assistant help if assistants: lines.append('') assistant = strip_prefix(random.choice(assistants), 'assistants').replace(os.path.sep, ' ').strip() if len(assistants) == 1: strings = ['After you install this DAP, you can find help about the Assistant', 'by running "da {a} -h" .'] else: strings = ['After you install this DAP, you can find help, for example about the Assistant', '"{a}", by running "da {a} -h".'] lines.extend([l.format(a=assistant) for l in strings]) return lines
Formats supported platforms in human readable form def format_platforms(cls, platforms): '''Formats supported platforms in human readable form''' lines = [] if platforms: lines.append('This DAP is only supported on the following platforms:') lines.extend([' * ' + platform for platform in platforms]) return lines
Checks if the dap is valid, reports problems Parameters: network -- whether to run checks that requires network connection output -- where to write() problems, might be None raises -- whether to raise an exception immediately after problem is detected def check(cls, dap, network=False, yamls=True, raises=False, logger=logger): '''Checks if the dap is valid, reports problems Parameters: network -- whether to run checks that requires network connection output -- where to write() problems, might be None raises -- whether to raise an exception immediately after problem is detected''' dap._check_raises = raises dap._problematic = False dap._logger = logger problems = list() problems += cls.check_meta(dap) problems += cls.check_no_self_dependency(dap) problems += cls.check_topdir(dap) problems += cls.check_files(dap) if yamls: problems += cls.check_yamls(dap) if network: problems += cls.check_name_not_on_dapi(dap) for problem in problems: dap._report_problem(problem.message, problem.level) del dap._check_raises return not dap._problematic
Check the meta.yaml in the dap. Return a list of DapProblems. def check_meta(cls, dap): '''Check the meta.yaml in the dap. Return a list of DapProblems.''' problems = list() # Check for non array-like metadata for datatype in (Dap._required_meta | Dap._optional_meta) - Dap._array_meta: if not dap._isvalid(datatype): msg = datatype + ' is not valid (or required and unspecified)' problems.append(DapProblem(msg)) # Check for the array-like metadata for datatype in Dap._array_meta: ok, bads = dap._arevalid(datatype) if not ok: if not bads: msg = datatype + ' is not a valid non-empty list' problems.append(DapProblem(msg)) else: for bad in bads: msg = bad + ' in ' + datatype + ' is not valid or is a duplicate' problems.append(DapProblem(msg)) # Check that there is no unknown metadata leftovers = set(dap.meta.keys()) - (Dap._required_meta | Dap._optional_meta) if leftovers: msg = 'Unknown metadata: ' + str(leftovers) problems.append(DapProblem(msg)) # Check that package_name is not longer than 200 characters if len(dap.meta.get('package_name', '')) > 200: msg = 'Package name is too long. It must not exceed 200 characters.' problems.append(DapProblem(msg)) return problems
Check that everything is in the correct top-level directory. Return a list of DapProblems def check_topdir(cls, dap): '''Check that everything is in the correct top-level directory. Return a list of DapProblems''' problems = list() dirname = os.path.dirname(dap._meta_location) if not dirname: msg = 'meta.yaml is not in top-level directory' problems.append(DapProblem(msg)) else: for path in dap.files: if not path.startswith(dirname): msg = path + ' is outside of ' + dirname + ' top-level directory' problems.append(DapProblem(msg)) if dap.meta['package_name'] and dap.meta['version']: desired_dirname = dap._dirname() desired_filename = desired_dirname + '.dap' if dirname and dirname != desired_dirname: msg = 'Top-level directory with meta.yaml is not named ' + desired_dirname problems.append(DapProblem(msg)) if dap.basename != desired_filename: msg = 'The dap filename is not ' + desired_filename problems.append(DapProblem(msg)) return problems
Check that the package does not depend on itself. Return a list of problems. def check_no_self_dependency(cls, dap): '''Check that the package does not depend on itself. Return a list of problems.''' problems = list() if 'package_name' in dap.meta and 'dependencies' in dap.meta: dependencies = set() for dependency in dap.meta['dependencies']: if 'dependencies' in dap._badmeta and dependency in dap._badmeta['dependencies']: continue # No version specified if not re.search(r'[<=>]', dependency): dependencies.add(dependency) # Version specified for mark in ['==', '>=', '<=', '<', '>']: dep = dependency.split(mark) if len(dep) == 2: dependencies.add(dep[0].strip()) break if dap.meta['package_name'] in dependencies: msg = 'Depends on dap with the same name as itself' problems.append(DapProblem(msg)) return problems
Check that the package_name is not registered on Dapi. Return list of problems. def check_name_not_on_dapi(cls, dap): '''Check that the package_name is not registered on Dapi. Return list of problems.''' problems = list() if dap.meta['package_name']: from . import dapicli d = dapicli.metadap(dap.meta['package_name']) if d: problems.append(DapProblem('This dap name is already registered on Dapi', level=logging.WARNING)) return problems
Check that there are only those files the standard accepts. Return list of DapProblems. def check_files(cls, dap): '''Check that there are only those files the standard accepts. Return list of DapProblems.''' problems = list() dirname = os.path.dirname(dap._meta_location) if dirname: dirname += '/' files = [f for f in dap.files if f.startswith(dirname)] if len(files) == 1: msg = 'Only meta.yaml in dap' problems.append(DapProblem(msg, level=logging.WARNING)) return problems files.remove(dirname + 'meta.yaml') # Report and remove empty directories until no more are found emptydirs = dap._get_emptydirs(files) while emptydirs: for ed in emptydirs: msg = ed + ' is empty directory (may be nested)' problems.append(DapProblem(msg, logging.WARNING)) files.remove(ed) emptydirs = dap._get_emptydirs(files) if dap.meta['package_name']: name = dap.meta['package_name'] dirs = re.compile('^' + dirname + '((assistants(/(crt|twk|prep|extra))?|snippets)(/' + name + ')?|icons(/(crt|twk|prep|extra|snippets)(/' + name + ')?)?|files|(files/(crt|twk|prep|extra|snippets)|doc)(/' + name + '(/.+)?)?)$') regs = re.compile('^' + dirname + '((assistants(/(crt|twk|prep|extra))|snippets)/' + name + r'(/[^/]+)?\.yaml|icons/(crt|twk|prep|extra|snippets)/' + name + r'(/[^/]+)?\.(' + Dap._icons_ext + ')|(files/(crt|twk|prep|extra|snippets)|doc)/' + name + '/.+)$') to_remove = [] for f in files: if dap._is_dir(f) and not dirs.match(f): msg = f + '/ is not allowed directory' problems.append(DapProblem(msg)) to_remove.append(f) elif not dap._is_dir(f) and not regs.match(f): msg = f + ' is not allowed file' problems.append(DapProblem(msg)) to_remove.append(f) for r in to_remove: files.remove(r) # Subdir yamls need a chief for directory in ['assistants/' + t for t in 'crt twk prep extra'.split()] + \ ['snippets']: prefix = dirname + directory + '/' for f in files: if f.startswith(prefix) and dap._is_dir(f) and f + '.yaml' not in files: msg = f + '/ present, but ' + f + '.yaml missing' problems.append(DapProblem(msg)) # Missing assistants and/or snippets if not dap.assistants_and_snippets: msg = 'No Assistants or Snippets found' problems.append(DapProblem(msg, level=logging.WARNING)) # Icons icons = [dap._strip_leading_dirname(i) for i in dap.icons(strip_ext=True)] # we need to report duplicates assistants = set([dap._strip_leading_dirname(a) for a in dap.assistants]) # duplicates are fine here duplicates = set([i for i in icons if icons.count(i) > 1]) for d in duplicates: msg = 'Duplicate icon for ' + f problems.append(DapProblem(msg, level=logging.WARNING)) icons = set(icons) for i in icons - assistants: msg = 'Useless icon for non-exisiting assistant ' + i problems.append(DapProblem(msg, level=logging.WARNING)) for a in assistants - icons: msg = 'Missing icon for assistant ' + a problems.append(DapProblem(msg, level=logging.WARNING)) # Source files for f in cls._get_files_without_assistants(dap, dirname, files): msg = 'Useless files for non-exisiting assistant ' + f problems.append(DapProblem(msg, level=logging.WARNING)) return problems
Check that all assistants and snippets are valid. Return list of DapProblems. def check_yamls(cls, dap): '''Check that all assistants and snippets are valid. Return list of DapProblems.''' problems = list() for yaml in dap.assistants_and_snippets: path = yaml + '.yaml' parsed_yaml = YamlLoader.load_yaml_by_path(dap._get_file(path, prepend=True)) if parsed_yaml: try: yaml_checker.check(path, parsed_yaml) except YamlError as e: problems.append(DapProblem(exc_as_decoded_string(e), level=logging.ERROR)) else: problems.append(DapProblem('Empty YAML ' + path, level=logging.WARNING)) return problems
Strip leading directory name from the given path def _strip_leading_dirname(self, path): '''Strip leading directory name from the given path''' return os.path.sep.join(path.split(os.path.sep)[1:])
Get all assistants in this DAP def assistants(self): '''Get all assistants in this DAP''' return [strip_suffix(f, '.yaml') for f in self._stripped_files if self._assistants_pattern.match(f)]
Get all snippets in this DAP def snippets(self): '''Get all snippets in this DAP''' return [strip_suffix(f, '.yaml') for f in self._stripped_files if self._snippets_pattern.match(f)]
Get all icons in this DAP, optionally strip extensions def icons(self, strip_ext=False): '''Get all icons in this DAP, optionally strip extensions''' result = [f for f in self._stripped_files if self._icons_pattern.match(f)] if strip_ext: result = [strip_suffix(f, '\.({ext})'.format(ext=self._icons_ext), regex=True) for f in result] return result
Fill self._badmeta with meta datatypes that are invalid def _find_bad_meta(self): '''Fill self._badmeta with meta datatypes that are invalid''' self._badmeta = dict() for datatype in self.meta: for item in self.meta[datatype]: if not Dap._meta_valid[datatype].match(item): if datatype not in self._badmeta: self._badmeta[datatype] = [] self._badmeta[datatype].append(item)
Extracts a file from dap to a file-like object def _get_file(self, path, prepend=False): '''Extracts a file from dap to a file-like object''' if prepend: path = os.path.join(self._dirname(), path) extracted = self._tar.extractfile(path) if extracted: return extracted raise DapFileError(('Could not read %s from %s, maybe it\'s a directory,' + 'bad link or the dap file is corrupted') % (path, self.basename))
Load data from meta.yaml to a dictionary def _load_meta(self, meta): '''Load data from meta.yaml to a dictionary''' meta = yaml.load(meta, Loader=Loader) # Versions are often specified in a format that is convertible to an # int or a float, so we want to make sure it is interpreted as a str. # Fix for the bug #300. if 'version' in meta: meta['version'] = str(meta['version']) return meta
Report a given problem def _report_problem(self, problem, level=logging.ERROR): '''Report a given problem''' problem = self.basename + ': ' + problem if self._logger.isEnabledFor(level): self._problematic = True if self._check_raises: raise DapInvalid(problem) self._logger.log(level, problem)
Checks if the given datatype is valid in meta def _isvalid(self, datatype): '''Checks if the given datatype is valid in meta''' if datatype in self.meta: return bool(Dap._meta_valid[datatype].match(self.meta[datatype])) else: return datatype in Dap._optional_meta
Checks if the given datatype is valid in meta (for array-like types) def _arevalid(self, datatype): '''Checks if the given datatype is valid in meta (for array-like types)''' # Datatype not specified if datatype not in self.meta: return datatype in Dap._optional_meta, [] # Required datatype empty if datatype in self._required_meta and not self.meta[datatype]: return False, [] # Datatype not a list if not isinstance(self.meta[datatype], list): return False, [] # Duplicates found duplicates = set([x for x in self.meta[datatype] if self.meta[datatype].count(x) > 1]) if duplicates: return False, list(duplicates) if datatype in self._badmeta: return False, self._badmeta[datatype] else: return True, [] # Checking if all items are valid bad = [] for item in self.meta[datatype]: if not Dap._meta_valid[datatype].match(item): bad.append(item) return len(bad) == 0, bad
Check if the given in-dap file is a directory def _is_dir(self, f): '''Check if the given in-dap file is a directory''' return self._tar.getmember(f).type == tarfile.DIRTYPE
Find empty directories and return them Only works for actual files in dap def _get_emptydirs(self, files): '''Find empty directories and return them Only works for actual files in dap''' emptydirs = [] for f in files: if self._is_dir(f): empty = True for ff in files: if ff.startswith(f + '/'): empty = False break if empty: emptydirs.append(f) return emptydirs
Load all configuration from file def load_configuration_file(self): """ Load all configuration from file """ if not os.path.exists(self.config_file): return try: with open(self.config_file, 'r') as file: csvreader = csv.reader(file, delimiter='=', escapechar='\\', quoting=csv.QUOTE_NONE) for line in csvreader: if len(line) == 2: key, value = line self.config_dict[key] = value else: self.config_dict = dict() self.logger.warning("Malformed configuration file {0}, ignoring it.". format(self.config_file)) return except (OSError, IOError) as e: self.logger.warning("Could not load configuration file: {0}".\ format(utils.exc_as_decoded_string(e)))
Save all configuration into file Only if config file does not yet exist or configuration was changed def save_configuration_file(self): """ Save all configuration into file Only if config file does not yet exist or configuration was changed """ if os.path.exists(self.config_file) and not self.config_changed: return dirname = os.path.dirname(self.config_file) try: if not os.path.exists(dirname): os.makedirs(dirname) except (OSError, IOError) as e: self.logger.warning("Could not make directory for configuration file: {0}". format(utils.exc_as_decoded_string(e))) return try: with open(self.config_file, 'w') as file: csvwriter = csv.writer(file, delimiter='=', escapechar='\\', lineterminator='\n', quoting=csv.QUOTE_NONE) for key, value in self.config_dict.items(): csvwriter.writerow([key, value]) self.config_changed = False except (OSError, IOError) as e: self.logger.warning("Could not save configuration file: {0}".\ format(utils.exc_as_decoded_string(e)))
Set configuration value with given name. Value can be string or boolean type. def set_config_value(self, name, value): """ Set configuration value with given name. Value can be string or boolean type. """ if value is True: value = "True" elif value is False: if name in self.config_dict: del self.config_dict[name] self.config_changed = True return if name not in self.config_dict or self.config_dict[name] != value: self.config_changed = True self.config_dict[name] = value
The function is used for setting tooltip on menus and submenus def tooltip_queries(self, item, x_coord, y_coord, key_mode, tooltip, text): """ The function is used for setting tooltip on menus and submenus """ tooltip.set_text(text) return True