def edit_file(file):
"""Opens an editor in which the user edits the given file.
It invokes the editor program stored in the ``EDITOR`` environment
variable. If ``EDITOR`` is undefined or empty, it invokes the default
editor on the system using the :func:`default_editor` function.
**Type:** |EditFileFun|
"""
old_content = hkutils.file_to_string(file, return_none=True)
editor = os.getenv('EDITOR')
# if EDITOR is not set, get the default editor
if editor is None or editor == '':
editor = default_editor()
# if not even the default is set, print an error message
if editor is None:
hklib.log(
'Cannot determine the default editor based on the operating\n'
'system. Please set the EDITOR environment variable to the editor\n'
'you want to use or set hkshell.options.callback.edit_file to\n'
'call your editor of choice.')
return False
subprocess.call(editor.split() + [file])
return hkutils.file_to_string(file, return_none=True) != old_content
def file_content(self, filename):
"""Returns the content of the given file in the HTML directory.
**Returns:** str
"""
long_filename = os.path.join(self._html_dir, filename)
return hkutils.file_to_string(long_filename)
def edit_files(files):
"""DEPRECATED. Opens an editor in which the user edits the given files.
Please use :func:`hkshell.edit_files` instead.
It invokes the editor program stored in the ``EDITOR`` environment
variable. If ``EDITOR`` is undefined or empty, it invokes the default
editor on the system using the :func:`default_editor` function.
**Type:** |EditFileFun|
"""
old_content = {}
for file in files:
old_content[file] = hkutils.file_to_string(file, return_none=True)
editor = os.getenv('HEAPKEEPER_EDITOR')
# if HEAPKEEPER_EDITOR is not set, get EDITOR
if editor is None or editor == '':
editor = os.getenv('EDITOR')
# if EDITOR is not set, get the default editor
if editor is None or editor == '':
editor = default_editor()
# if not even the default is set, print an error message
if editor is None:
hkutils.log(
'Cannot determine the default editor based on the operating\n'
'system. Please set the EDITOR environment variable to the editor\n'
'you want to use or set hkshell.options.callback.edit_files to\n'
'call your editor of choice.')
return False
try:
editor = editor_to_editor_list(editor)
except IncorrectEditorException:
hkutils.log(
'The editor variable is incorrect:\n' +
editor +
'Please set the EDITOR environment variable to the editor\n'
'you want to use or set hkshell.options.callback.edit_files to\n'
'call your editor of choice.')
return False
subprocess.call(editor + files)
def did_file_change(file):
new_content = hkutils.file_to_string(file, return_none=True)
return old_content[file] != new_content
changed_files = filter(did_file_change, files)
return changed_files
def GET(self, name):
"""Serves a HTTP GET request.
**Argument:**
- `name` (unicode) -- The name of the URL that was requested.
**Returns:** str
"""
filename = hkutils.uutf8(name)
return hkutils.file_to_string(filename)
def trailingline_tester():
# Current directory should be: Heapkeeper
# Finding bad files
bad_files = []
for file in git_source_files():
file_content = hkutils.file_to_string(file)
if re.search(r"[\n\r][\n\r]$", file_content):
bad_files.append(file)
# Examining the results
bad_files_2 = [file + "\n" for file in bad_files]
return (bad_files == [], "".join(bad_files_2))
def editor(files):
[file] = files
real_content = hkutils.file_to_string(file)
self.assertEqual(expected_content, real_content)
return [file]
def get_content(file):
return hkutils.file_to_string(file, return_none=True)
def did_file_change(file):
new_content = hkutils.file_to_string(file, return_none=True)
return old_content[file] != new_content
