def find_and_replace_file(file, match, replace, replace_match = None):
"""Finds and replaces a single file. """
if len(match) != len(replace):
err("Find and Replace patterns are not of the same length. ")
return False
# Compile thex regexp
try:
match_regex = [re.compile(m) for m in match]
except Exception as e:
err(e)
err("Unable to compile regular expressions. ")
return False
# get the repository
repo = os.path.relpath(find_repo_dir(file), lmh_locate("content"))
# We did nothing yet
did = False
if replace_match == None:
def replace_match(match, replace):
# TODO: Migrate this to the parent scope.
# did = True
# Make a template,
replacer_template = {}
replacer_template["repo"] = repo
for i, g in enumerate(match.groups()):
replacer_template["g"+str(i)] = g
# And replace in it
return Template(replace).substitute(replacer_template)
# Read file and search
file_content = read_file(file)
new_file_content = file_content
# Iterate over the regexes and replace
for (m, r) in zip(match_regex, replace):
new_file_content = re.sub(m, lambda x:replace_match(x, r), new_file_content)
if file_content != new_file_content:
std(file)
# If something has changed, write back the file.
write_file(file, new_file_content)
if did:
std(file)
return did
def find_cached(files, match, replace = None, replace_match = None):
"""Finds and replaces inside of files. """
# Make sure match and replace are arrays
match = [match] if is_string(match) else match
if replace != None:
replace = [replace] if is_string(replace) else replace
if len(replace) != len(match):
err("Find and Replace patterns are not of the same length. ")
return False
rep = False
for file in files:
repo = os.path.relpath(find_repo_dir(file), lmh_locate("content"))
matcher = [Template(m).substitute(repo=repo) for m in match]
if replace != None:
rep = find_and_replace_file(file, matcher, replace, replace_match = replace_match) or rep
else:
rep = find_file(file, matcher) or rep
return rep
