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Add exclusions #87

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Add exclusions #87

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fb20b14
Add user-defined exclude paths
Sep 2, 2021
080a6e2
Fix typo
Sep 2, 2021
71b8f7b
Fix exclusions
Sep 2, 2021
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44 changes: 30 additions & 14 deletions whenchanged/whenchanged.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@

class WhenChanged(FileSystemEventHandler):
# files to exclude from being watched
exclude = re.compile(r'|'.join(r'(.+/)?'+ a for a in [
excludes = [
# Vim swap files
r'\..*\.sw[px]*$',
# file creation test file 4913
Expand All @@ -53,10 +53,17 @@ class WhenChanged(FileSystemEventHandler):
r'\.git/?',
# __pycache__ directories
r'__pycache__/?',
]))

def __init__(self, files, command, recursive=False, run_once=False,
run_at_start=False, verbose_mode=0, quiet_mode=False):
]

def __init__(self,
files,
excludes,
command,
recursive=False,
run_once=False,
run_at_start=False,
verbose_mode=0,
quiet_mode=False):
self.files = files
paths = {}
for f in files:
Expand All @@ -70,7 +77,9 @@ def __init__(self, files, command, recursive=False, run_once=False,
self.verbose_mode = verbose_mode
self.quiet_mode = quiet_mode
self.process_env = os.environ.copy()

self.excludes.extend(excludes)
self.exclude = re.compile(r'|'.join(
r'(.+/)?' + a for a in self.excludes))
self.observer = Observer(timeout=0.1)

for p in self.paths:
Expand All @@ -82,27 +91,32 @@ def __init__(self, files, command, recursive=False, run_once=False,
p = os.path.dirname(p)
self.observer.schedule(self, p)


def run_command(self, thefile):
if self.run_once:
if os.path.exists(thefile) and os.path.getmtime(thefile) < self.last_run:
if os.path.exists(
thefile) and os.path.getmtime(thefile) < self.last_run:
return
new_command = []
for item in self.command:
new_command.append(item.replace('%f', thefile))
now = datetime.now()
print_message = ''
if self.verbose_mode > 0:
print_message = "'" + thefile + "' " + re.sub(r'^[^_]+_', '', self.get_envvar('event'))
print_message = "'" + thefile + "' " + re.sub(
r'^[^_]+_', '', self.get_envvar('event'))
if self.verbose_mode > 1:
print_message += ' at ' + now.strftime('%F %T')
if self.verbose_mode > 2:
print_message += '.' + now.strftime('%f') + ", running '" + ' '.join(self.command) + "'"
print_message += '.' + now.strftime(
'%f') + ", running '" + ' '.join(self.command) + "'"
if print_message:
print('==> ' + print_message + ' <==')
self.set_envvar('file', thefile)
stdout = open(os.devnull, 'wb') if self.quiet_mode else None
subprocess.call(new_command, shell=(len(new_command) == 1), env=self.process_env, stdout=stdout)
subprocess.call(new_command,
shell=(len(new_command) == 1),
env=self.process_env,
stdout=stdout)
self.last_run = time.time()

def is_interested(self, path):
Expand Down Expand Up @@ -185,6 +199,7 @@ def main():

files = []
command = []
excludes = []
recursive = False
verbose_mode = 0
run_once = False
Expand Down Expand Up @@ -236,9 +251,10 @@ def main():
else:
if verbose_mode:
print("When '%s' changes, run '%s'" % (files[0], print_command))

wc = WhenChanged(files, command, recursive, run_once, run_at_start,
verbose_mode, quiet_mode)
excludes = [f.lstrip('-') for f in files if f.startswith('-')]
files = [f for f in files if not f.startswith('-')]
wc = WhenChanged(files, excludes, command, recursive, run_once,
run_at_start, verbose_mode, quiet_mode)

try:
wc.run()
Expand Down