def complete_file_simple(line):
"""
Complete names of files or directories
This function tokenizes the line and computes file and directory
completions starting with the last token.
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars
and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
token = tokens[-1].replace('"', '')
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [
elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)
]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [
elem + '\\' for elem in completions
if os.path.isdir(dir_to_complete + '\\' + elem)
]
completions_files = [
elem for elem in completions
if os.path.isfile(dir_to_complete + '\\' + elem)
]
completions = completions_dirs + completions_files
if (len(tokens) == 1
or tokens[-2] in seq_tokens) and path_to_complete == '':
# We are at the beginning of a command ==> also complete from the path
completions_path = []
for elem_in_path in os.environ['PATH'].split(';'):
dir_to_complete = expand_env_vars(elem_in_path) + '\\'
try:
completions_path += [
elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem) and os.path.isfile(dir_to_complete +
'\\' + elem)
and has_exec_extension(elem) and not elem in completions
and not elem in completions_path
]
except OSError:
# Cannot complete, probably access denied
pass
# Add internal commands
internal_commands = [
'assoc', 'call', 'cd', 'chdir', 'cls', 'color', 'copy', 'date',
'del', 'dir', 'echo', 'endlocal', 'erase', 'exit', 'for', 'ftype',
'goto', 'if', 'md', 'mkdir', 'move', 'path', 'pause', 'popd',
'prompt', 'pushd', 'rem', 'ren', 'rename', 'rd', 'rmdir', 'set',
'setlocal', 'shift', 'start', 'time', 'title', 'type', 'ver',
'verify', 'vol'
]
if sys.getwindowsversion()[0] >= 6:
# Windows 7 or newer
internal_commands.append('mklink')
completions_path += [
elem for elem in internal_commands if matcher.match(elem)
and not elem in completions and not elem in completions_path
]
# Sort in lexical order (case ignored)
completions_path.sort(key=str.lower)
# Remove .com, .exe or .bat extension where possible
completions_path_no_ext = [
strip_extension(elem) for elem in completions_path
]
completions_path_nice = []
for i in range(0, len(completions_path_no_ext)):
similar = [
elem for elem in completions_path_no_ext
if elem == completions_path_no_ext[i]
]
similar += [
elem for elem in completions
if strip_extension(elem) == completions_path_no_ext[i]
]
if len(similar) == 1 and has_exec_extension(
completions_path[i]) and len(prefix) < len(
completions_path[i]) - 3:
# No similar executables, don't use extension
completions_path_nice.append(completions_path_no_ext[i])
else:
# Similar executables found, keep extension
completions_path_nice.append(completions_path[i])
completions += completions_path_nice
if completions != []:
# Find the longest common sequence
common_string = find_common_prefix(prefix, completions)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build the result
result = line[0:len(line) -
len(tokens[-1])] + start_quote + completed_file
if len(completions) == 1:
# We can close the quotes if we have completed to a unique filename
if start_quote == '"':
end_quote = '"'
else:
end_quote = ''
if result[-1] == '\\':
# Directory -- we want the backslash (if any) AFTER the closing quote
result = result[:-1] + end_quote + '\\'
else:
# File -- add space if the completion is unique
result += end_quote
result += ' '
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])
def complete_wildcard(line):
"""
Complete file/dir wildcards
This function tokenizes the line and computes file and directory
completions starting with the last token which is a wildcard
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars
and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
token = tokens[-1].replace('"', '')
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [
elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)
]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [
elem + '\\' for elem in completions
if os.path.isdir(dir_to_complete + '\\' + elem)
]
completions_files = [
elem for elem in completions
if os.path.isfile(dir_to_complete + '\\' + elem)
]
completions = completions_dirs + completions_files
if completions != []:
completed_suffixes = []
for c in completions:
match = matcher.match(c)
completed_suffixes.append(match.group(match.lastindex))
if len(completions) == 1:
# Only one match, we can inline it and replace the wildcards
common_string = completions[0]
else:
# Multiple matches, find the longest common sequence
common_string = prefix + find_common_prefix(
prefix, completed_suffixes)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build the result
result = line[0:len(line) -
len(tokens[-1])] + start_quote + completed_file
if len(completions) == 1 or \
not common_string.endswith('*') and \
max([len(c) for c in completed_suffixes]) == len(common_string) - len(prefix):
# We can close the quotes if all the completions have the same suffix or
# there exists only one matching file
if start_quote == '"':
end_quote = '"'
else:
end_quote = ''
if result[-1] == '\\':
# Directory -- we want the backslash (if any) AFTER the closing quote
result = result[:-1] + end_quote + '\\'
else:
# File -- add space if the completion is unique
result += end_quote
result += ' '
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])
def complete_file_alternate(line):
"""
Complete names of files or directories using an alternate tokenization
This function tokenizes the line by tring to interpret the last token as a
semicolon-separated list of paths, optionally preceded by an equals char.
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars
and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
(last_token_prefix, equal_char,
last_token) = tokens[-1].replace('"', '').rpartition('=')
last_token_prefix += equal_char
paths = last_token.split(';')
token = paths[-1]
# print '\n\nTokens:', tokens, '\n\nCompleting:', token, '\n\n'
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [
elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)
]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [
elem + '\\' for elem in completions
if os.path.isdir(dir_to_complete + '\\' + elem)
]
completions_files = [
elem for elem in completions
if os.path.isfile(dir_to_complete + '\\' + elem)
]
completions = completions_dirs + completions_files
if completions != []:
# Find the longest common sequence
common_string = find_common_prefix(prefix, completions)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(last_token + completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build and return the result
result = line[0:len(line) - len(tokens[-1])]
result += last_token_prefix + start_quote
result += last_token[:len(last_token) - len(token)]
result += completed_file
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])
def complete_file_simple(line):
"""
Complete names of files or directories
This function tokenizes the line and computes file and directory
completions starting with the last token.
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
token = tokens[-1].replace('"', '')
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [elem + '\\' for elem in completions if os.path.isdir(dir_to_complete + '\\' + elem)]
completions_files = [elem for elem in completions if os.path.isfile(dir_to_complete + '\\' + elem)]
completions = completions_dirs + completions_files
if (len(tokens) == 1 or tokens[-2] in seq_tokens) and path_to_complete == '':
# We are at the beginning of a command ==> also complete from the path
completions_path = []
for elem_in_path in os.environ['PATH'].split(';'):
dir_to_complete = expand_env_vars(elem_in_path) + '\\'
try:
completions_path += [elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)
and os.path.isfile(dir_to_complete + '\\' + elem)
and has_exec_extension(elem)
and not elem in completions
and not elem in completions_path]
except OSError:
# Cannot complete, probably access denied
pass
# Add internal commands
internal_commands = ['assoc',
'call', 'cd', 'chdir', 'cls', 'color', 'copy',
'date', 'del', 'dir',
'echo', 'endlocal', 'erase', 'exit',
'for', 'ftype',
'goto',
'if',
'md', 'mkdir', 'move',
'path', 'pause', 'popd', 'prompt', 'pushd',
'rem', 'ren', 'rename', 'rd', 'rmdir',
'set', 'setlocal', 'shift', 'start',
'time', 'title', 'type',
'ver', 'verify', 'vol']
if sys.getwindowsversion()[0] >= 6:
# Windows 7 or newer
internal_commands.append('mklink')
completions_path += [elem for elem in internal_commands
if matcher.match(elem)
and not elem in completions
and not elem in completions_path]
# Sort in lexical order (case ignored)
completions_path.sort(key=str.lower)
# Remove .com, .exe or .bat extension where possible
completions_path_no_ext = [strip_extension(elem) for elem in completions_path]
completions_path_nice = []
for i in range(0, len(completions_path_no_ext)):
similar = [elem for elem in completions_path_no_ext if elem == completions_path_no_ext[i]]
similar += [elem for elem in completions if strip_extension(elem) == completions_path_no_ext[i]]
if len(similar) == 1 and has_exec_extension(completions_path[i]) and len(prefix) < len(completions_path[i]) - 3:
# No similar executables, don't use extension
completions_path_nice.append(completions_path_no_ext[i])
else:
# Similar executables found, keep extension
completions_path_nice.append(completions_path[i])
completions += completions_path_nice
if completions != []:
# Find the longest common sequence
common_string = find_common_prefix(prefix, completions)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build the result
result = line[0 : len(line) - len(tokens[-1])] + start_quote + completed_file
if len(completions) == 1:
# We can close the quotes if we have completed to a unique filename
if start_quote == '"':
end_quote = '"'
else:
end_quote = ''
if result[-1] == '\\':
# Directory -- we want the backslash (if any) AFTER the closing quote
result = result[ : -1] + end_quote + '\\'
else:
# File -- add space if the completion is unique
result += end_quote
result += ' '
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])
def complete_wildcard(line):
"""
Complete file/dir wildcards
This function tokenizes the line and computes file and directory
completions starting with the last token which is a wildcard
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
token = tokens[-1].replace('"', '')
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [elem for elem in os.listdir(dir_to_complete) if matcher.match(elem)]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [elem + '\\' for elem in completions if os.path.isdir(dir_to_complete + '\\' + elem)]
completions_files = [elem for elem in completions if os.path.isfile(dir_to_complete + '\\' + elem)]
completions = completions_dirs + completions_files
if completions != []:
completed_suffixes = []
for c in completions:
match = matcher.match(c)
completed_suffixes.append(match.group(match.lastindex))
if len(completions) == 1:
# Only one match, we can inline it and replace the wildcards
common_string = completions[0]
else:
# Multiple matches, find the longest common sequence
common_string = prefix + find_common_prefix(prefix, completed_suffixes)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build the result
result = line[0 : len(line) - len(tokens[-1])] + start_quote + completed_file
if len(completions) == 1 or \
not common_string.endswith('*') and \
max([len(c) for c in completed_suffixes]) == len(common_string) - len(prefix):
# We can close the quotes if all the completions have the same suffix or
# there exists only one matching file
if start_quote == '"':
end_quote = '"'
else:
end_quote = ''
if result[-1] == '\\':
# Directory -- we want the backslash (if any) AFTER the closing quote
result = result[ : -1] + end_quote + '\\'
else:
# File -- add space if the completion is unique
result += end_quote
result += ' '
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])
def complete_file_alternate(line):
"""
Complete names of files or directories using an alternate tokenization
This function tokenizes the line by tring to interpret the last token as a
semicolon-separated list of paths, optionally preceded by an equals char.
It returns a pair:
- the line expanded up to the longest common sequence among the
completions
- the list of all possible completions (first dirs, then files)
"""
tokens = parse_line(line)
if tokens == [] or (line[-1] in sep_chars and parse_line(line) == parse_line(line + ' ')):
tokens += [''] # This saves us some checks later
(last_token_prefix, equal_char, last_token) = tokens[-1].replace('"', '').rpartition('=')
last_token_prefix += equal_char
paths = last_token.split(';')
token = paths[-1]
# print '\n\nTokens:', tokens, '\n\nCompleting:', token, '\n\n'
(path_to_complete, _, prefix) = token.rpartition('\\')
if path_to_complete == '' and token != '' and token[0] == '\\':
path_to_complete = '\\'
# print '\n\n', path_to_complete, '---', prefix, '\n\n'
if path_to_complete == '':
dir_to_complete = os.getcwd()
elif path_to_complete == '\\':
dir_to_complete = os.getcwd()[0:3]
else:
dir_to_complete = expand_env_vars(path_to_complete) + '\\'
# This is the wildcard matcher used throughout the function
matcher = wildcard_to_regex(prefix + '*')
completions = []
if os.path.isdir(dir_to_complete):
try:
completions = [elem for elem in os.listdir(dir_to_complete)
if matcher.match(elem)]
except OSError:
# Cannot complete, probably access denied
pass
# Sort directories first, also append '\'; then, files
completions_dirs = [elem + '\\' for elem in completions if os.path.isdir(dir_to_complete + '\\' + elem)]
completions_files = [elem for elem in completions if os.path.isfile(dir_to_complete + '\\' + elem)]
completions = completions_dirs + completions_files
if completions != []:
# Find the longest common sequence
common_string = find_common_prefix(prefix, completions)
if path_to_complete == '':
completed_file = common_string
elif path_to_complete == '\\':
completed_file = '\\' + common_string
else:
completed_file = path_to_complete + '\\' + common_string
if expand_env_vars(last_token + completed_file).find(' ') >= 0 or \
(prefix != '' and [elem for elem in completions if contains_special_char(elem)] != []) or \
(prefix == '' and [elem for elem in completions if starts_with_special_char(elem)] != []):
# We add quotes if one of the following holds:
# * the (env-expanded) completed string contains whitespace
# * there is a prefix and at least one of the valid completions contains whitespace
# * there is no prefix and at least one completion _starts_ with whitespace
start_quote = '"'
else:
start_quote = ''
# Build and return the result
result = line[0 : len(line) - len(tokens[-1])]
result += last_token_prefix + start_quote
result += last_token[:len(last_token) - len(token)]
result += completed_file
return (result, completions)
else:
# No expansion was made, return original line
return (line, [])